It is difficult and expensive to calculate changes in sediment volume for large sections of sandy beaches. Shoreline change could be a useful proxy for volume change because it can be collected quickly and relatively easily over long distances. In this paper, we summarize several studies that find a high correlation between shoreline change and subaerial volume change. We also examine three new data sets. On Cape Cod, Massachusetts, the correlation coefficients between the time series of shoreline change and subaerial volume change at two locations are 0.73 and 0.96. On Assateague Island, the correlation coefficient between along-coast variations in shoreline change and subaerial volume change is 0.71. On the Outer Banks of North Carolina, the average correlation coefficient between temporal variations in shoreline change and subaerial volume change is 0.84. For spatial variations, the average correlation coefficient is 0.88. It is therefore concluded that shoreline change is a useful proxy for subaerial volume change.
","language":"English","publisher":"Coastal Education and Research Foundation","doi":"10.2112/05-0442.1","issn":"07490208","usgsCitation":"Farris, A., and List, J., 2007, Shoreline change as a proxy for subaerial beach volume change: Journal of Coastal Research, v. 23, no. 3, p. 740-748, https://doi.org/10.2112/05-0442.1.","productDescription":"9 p.","startPage":"740","endPage":"748","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":477100,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2112/05-0442.1","text":"Publisher Index Page"},{"id":240168,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Massachusetts, Maryland, North Carolina, Virginia","city":"Cape Cod","otherGeospatial":"Assateague Island, Outer Banks","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -76.5,35.75 ], [ -76.5,42.083333 ], [ -69.833333,42.083333 ], [ -69.833333,35.75 ], [ -76.5,35.75 ] ] ] } } ] }","volume":"23","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8e91e4b08c986b3189f1","contributors":{"authors":[{"text":"Farris, Amy S.","contributorId":28075,"corporation":false,"usgs":true,"family":"Farris","given":"Amy S.","affiliations":[],"preferred":false,"id":423992,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"List, Jeffrey H. jlist@usgs.gov","contributorId":2416,"corporation":false,"usgs":true,"family":"List","given":"Jeffrey H.","email":"jlist@usgs.gov","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"preferred":false,"id":423991,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70030077,"text":"70030077 - 2007 - Zaphrentis and the Zaphrentidae (Devonian; anthozoa, rugosa)","interactions":[],"lastModifiedDate":"2012-03-12T17:21:09","indexId":"70030077","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1142,"text":"Bulletins of American Paleontology","active":true,"publicationSubtype":{"id":10}},"title":"Zaphrentis and the Zaphrentidae (Devonian; anthozoa, rugosa)","docAbstract":"Zaphrentis is one of the most widely used names in Paleozoic coral paleontology. Species of \"Zaphrentis\" have been named from every Paleozoic System except the Cambrian. Variants of the word, such as zaphrentoid, are widely used with varied meanings. Nomenclatural spinoffs are numerous: Neozaphrentis and Heterophrentis are obvious examples, but dozens of additional genera have type species that were originally described in Zaphrentis. Many paleontologists are familiar with the word but few really know what it means. Zaphrentis (as a subgenus) and five new species were named in 1820, based on corals from the Falls of the Ohio River between Louisville, Kentucky, and Clarksville, Indiana. Descriptions were minimal, none was illustrated, and no specimens were preserved as types. Nominal species of \"Zaphrentis\" proliferated for over 100 years before a redescription based on Falls specimens was published (1938), the probable source beds recognized (1942), a neotype selected (1965) and adequately described and illustrated (1981). At this time, I recognize only four zaphrentid genera: Zaphrentis (middle Eifelian), Heliophyllum (middle Emsian through Givetian), Aemulophyllum (middle Emsian), and Cyathocylindrium (lower Emsian?; middle Emsian through Eifelian). All four genera seem to have originated in the Eastern Americas Biogeographic Realm. Heliophyllum is the most common, has the longest stratigraphic range, and is the only one known to occur outside of its area of origin. Heliophyllum modicum n. sp., once discussed as a possible Zaphrentis, is described and compared with both the type species of Zaphrentis and other Heliophyllum species. A single coral specimen from the Indian Cove Formation (upper Pragian or lower Emsian), Gaspe??, Quebec, is considered the earliest known zaphrentid and is described as Cyathocylindrium? n. sp.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletins of American Paleontology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"00075779","usgsCitation":"Oliver, W.A., 2007, Zaphrentis and the Zaphrentidae (Devonian; anthozoa, rugosa): Bulletins of American Paleontology, v. 2007, no. 372-373, p. 5-24.","startPage":"5","endPage":"24","numberOfPages":"20","costCenters":[],"links":[{"id":240402,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2007","issue":"372-373","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bd258e4b08c986b32f76e","contributors":{"authors":[{"text":"Oliver, W. A. Jr.","contributorId":21619,"corporation":false,"usgs":true,"family":"Oliver","given":"W.","suffix":"Jr.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":425619,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70030037,"text":"70030037 - 2007 - The landsat image mosaic of the Antarctica Web Portal","interactions":[],"lastModifiedDate":"2017-04-12T16:19:18","indexId":"70030037","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1368,"text":"Data Science Journal","active":true,"publicationSubtype":{"id":10}},"title":"The landsat image mosaic of the Antarctica Web Portal","docAbstract":"People believe what they can see. The Poles exist as a frozen dream to most people. The International Polar Year wants to break the ice (so to speak), open up the Poles to the general public, support current polar research, and encourage new research projects.
The IPY officially begins in March, 2007. As part of this effort, the U.S. Geological Survey (USGS) and the British Antarctic Survey (BAS), with funding from the National Science Foundation (NSF), are developing three Landsat mosaics of Antarctica and an Antarctic Web Portal with a Community site and an online map viewer. When scientists are able to view the entire scope of polar research, they will be better able to collaborate and locate the resources they need. When the general public more readily sees what is happening in the polar environments, they will understand how changes to the polar areas affect everyone.
New coring data have been acquired along the western Gulf of Lions showing anomalous concentrations of methane (up to 95,700 ppm) off the Rhône prodelta and the head of the southern canyons Lacaze-Duthiers and Cap de Creus. Sediment cores were acquired with box and kasten cores during 2004–2005 on several EuroSTRATAFORM cruises. Anomalous methane concentrations are discussed and integrated with organic carbon data. Sampled sites include locations where previous surveys identified acoustic anomalies in high-resolution seismic profiles, which may be related to the presence of gas. Interpretation of the collected data has enabled us to discuss the nature of shallow gas along the Gulf of Lions, and its association with recent sedimentary dynamics. The Rhône prodelta flood deposits deliver significant amounts of terrigenous organic matter that can be rapidly buried, effectively removing this organic matter from aerobic oxidation and biological uptake, and leading to the potential for methanogenesis with burial. Away from the flood-related sediments off the Rhône delta, the organic matter is being reworked and remineralized on its way along the western coast of the Gulf of Lions, with the result that the recent deposits in the canyon contain little reactive carbon. In the southernmost canyons, Lacaze-Duthiers and Cap de Creus, the gas analyses show relatively little shallow gas in the core samples. Samples with anomalous gas (up to 5,000 ppm methane) are limited to local areas where the samples also show higher amounts of organic matter. The anomalous samples at the head of the southern canyons may be related to methanogenesis of recent drape or of older sidewall canyon infills.
Piranhas and their relatives have proven to be a challenging group from a systematic perspective, with difficulties in identification of species, linking of juveniles to adults, diagnosis of genera, and recognition of higher-level clades. In this study we add new molecular data consisting of three mitochondrial regions for museum vouchered and photo-documented representatives of the Serrasalmidae. These are combined with existing serrasalmid sequences in GenBank to address species and higher-level questions within the piranhas using parsimony and Bayesian methods. We found robust support for the monophyly of Serrasalmus manueli, but not for Serrasalmus gouldingi when GenBank specimens identified as S. gouldingi were included in the analysis. \"Serrasalmus gouldingi\" sequences in GenBank may, however, be misidentified. Linking of juveniles to adults of the same species was greatly facilitated by the addition of sequence data. Based on our sampling and identifications, our data robustly reject the monophyly of the genera Serrasalmus and Pristobrycon. We found evidence for a well-supported clade comprised of Serrasalmus, Pygocentrus, and Pristobrycon (in part). This clade was robustly supported in separate and combined analyses of gene regions, and was also supported by a unique molecular character, the loss of a tandem repeat in the control region. Analysis of specimens and a literature review suggest this clade is also characterized by the presence of a pre-anal spine and ectopterygoid teeth. A persistent polytomy at the base of this clade was dated using an independent calibration as 1.8 million years old, corresponding to the beginning of the Pleistocene Epoch, and suggesting an origin for this clade more recent than dates cited in the recent literature. The sister group to this clade is also robustly supported, and consists of Catoprion, Pygopristis, and Pristobrycon striolatus. If the term piranha is to refer to a monophyletic clade, it should be restricted to Serrasalmus, Pygocentrus, and Pristobrycon (in part), or expanded to include these taxa plus Pygopristis, Catoprion, and Pristobrycon striolatus.
","language":"English","publisher":"Magnolia Press","doi":"10.11646/zootaxa.1484.1.1","usgsCitation":"Freeman, B., Nico, L., Osentoski, M., Jelks, H., and Collins, T., 2007, Molecular systematics of Serrasalmidae: Deciphering the identities of piranha species and unraveling their evolutionary histories: Zootaxa, no. 1484, p. 1-38, https://doi.org/10.11646/zootaxa.1484.1.1.","productDescription":"38 p.","startPage":"1","endPage":"38","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":477153,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://zenodo.org/record/5086480","text":"Publisher Index Page"},{"id":240257,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"1484","noUsgsAuthors":false,"publicationDate":"2007-05-28","publicationStatus":"PW","scienceBaseUri":"505a5d15e4b0c8380cd70144","contributors":{"authors":[{"text":"Freeman, B.","contributorId":88564,"corporation":false,"usgs":true,"family":"Freeman","given":"B.","affiliations":[],"preferred":false,"id":425417,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nico, L.G. 0000-0002-4488-7737","orcid":"https://orcid.org/0000-0002-4488-7737","contributorId":83052,"corporation":false,"usgs":true,"family":"Nico","given":"L.G.","affiliations":[],"preferred":false,"id":425416,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Osentoski, M.","contributorId":30045,"corporation":false,"usgs":true,"family":"Osentoski","given":"M.","email":"","affiliations":[],"preferred":false,"id":425415,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Jelks, H.L. 0000-0002-0672-6297","orcid":"https://orcid.org/0000-0002-0672-6297","contributorId":12000,"corporation":false,"usgs":true,"family":"Jelks","given":"H.L.","affiliations":[],"preferred":false,"id":425413,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Collins, T.M.","contributorId":20504,"corporation":false,"usgs":true,"family":"Collins","given":"T.M.","email":"","affiliations":[],"preferred":false,"id":425414,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70030034,"text":"70030034 - 2007 - A new, large, late pleistocene demosponge from Southeastern Florida","interactions":[],"lastModifiedDate":"2012-03-12T17:21:05","indexId":"70030034","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2412,"text":"Journal of Paleontology","active":true,"publicationSubtype":{"id":10}},"title":"A new, large, late pleistocene demosponge from Southeastern Florida","docAbstract":"[No abstract available]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Paleontology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1666/pleo0022-3360(2007)081[0788:ANLLPD]2.0.CO;2","issn":"00223360","usgsCitation":"Rigby, J., and Cunningham, K., 2007, A new, large, late pleistocene demosponge from Southeastern Florida: Journal of Paleontology, v. 81, no. 4, p. 788-793, https://doi.org/10.1666/pleo0022-3360(2007)081[0788:ANLLPD]2.0.CO;2.","startPage":"788","endPage":"793","numberOfPages":"6","costCenters":[],"links":[{"id":212697,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1666/pleo0022-3360(2007)081[0788:ANLLPD]2.0.CO;2"},{"id":240222,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"81","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e4bbe4b0c8380cd468a8","contributors":{"authors":[{"text":"Rigby, J.K.","contributorId":40332,"corporation":false,"usgs":true,"family":"Rigby","given":"J.K.","email":"","affiliations":[],"preferred":false,"id":425408,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cunningham, K.J.","contributorId":39852,"corporation":false,"usgs":true,"family":"Cunningham","given":"K.J.","email":"","affiliations":[],"preferred":false,"id":425407,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70030015,"text":"70030015 - 2007 - Sedimentary rock-hosted Au deposits of the Dian-Qian-Gui area, Guizhou, and Yunnan Provinces, and Guangxi District, China","interactions":[],"lastModifiedDate":"2012-03-12T17:21:08","indexId":"70030015","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2954,"text":"Ore Geology Reviews","active":true,"publicationSubtype":{"id":10}},"title":"Sedimentary rock-hosted Au deposits of the Dian-Qian-Gui area, Guizhou, and Yunnan Provinces, and Guangxi District, China","docAbstract":"Sedimentary rock-hosted Au deposits in the Dian-Qian-Gui area in southwest China are hosted in Paleozoic and early Mesozoic sedimentary rocks along the southwest margin of the Yangtze (South China) Precambrian craton. Most deposits have characteristics similar to Carlin-type Au deposits and are spatially associated, on a regional scale, with deposits of coal, Sb, barite, As, Tl, and Hg. Sedimentary rock-hosted Au deposits are disseminated stratabound and(or) structurally controlled. The deposits have many similar characteristics, particularly mineralogy, geochemistry, host rock, and structural control. Most deposits are associated with structural domes, stratabound breccia bodies, unconformity surfaces or intense brittle-ductile deformation zones, such as the Youjiang fault system. Typical characteristics include impure carbonate rock or calcareous and carbonaceous host rock that contains disseminated pyrite, marcasite, and arsenopyrite-usually with ??m-sized Au, commonly in As-rich rims of pyrite and in disseminations. Late realgar, orpiment, stibnite, and Hg minerals are spatially associated with earlier forming sulfide minerals. Minor base-metal sulfides, such as galena, sphalerite, chalcopyrite, and Pb-Sb-As-sulphosalts also are present. The rocks locally are silicified and altered to sericite-clay (illite). Rocks and(or) stream-sediment geochemical signatures typically include elevated concentrations of As, Sb, Hg, Tl, and Ba. A general lack of igneous rocks in the Dian-Qian-Gui area implies non-pluton-related, ore forming processes. Some deposits contain evidence that sources of the metal may have originated in carbonaceous parts of the sedimentary pile or other sedimentary or volcanic horizons. This genetic process may be associated with formation and mobilization of petroleum and Hg in the region and may also be related to As-, Au-, and Tl-bearing coal horizons. Many deposits also contain textures and features indicative of strong structural control by tectonic domes or shear zones and also suggest syndeformational ore deposition, possibly related to the Youjiang fault system. Several sedimentary rock-hosted Au deposits in the Dian-Qian-Gui area also are of the red earth-type and Au grades have been concentrated and enhanced during episodes of deep weathering. ?? 2006 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ore Geology Reviews","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.oregeorev.2005.03.014","issn":"01691368","usgsCitation":"Peters, S.G., Jiazhan, H., Zhiping, L., and Chenggui, J., 2007, Sedimentary rock-hosted Au deposits of the Dian-Qian-Gui area, Guizhou, and Yunnan Provinces, and Guangxi District, China: Ore Geology Reviews, v. 31, no. 1-4, p. 170-204, https://doi.org/10.1016/j.oregeorev.2005.03.014.","startPage":"170","endPage":"204","numberOfPages":"35","costCenters":[],"links":[{"id":212873,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.oregeorev.2005.03.014"},{"id":240432,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"31","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8a3ae4b08c986b3170c9","contributors":{"authors":[{"text":"Peters, S. G.","contributorId":48198,"corporation":false,"usgs":true,"family":"Peters","given":"S.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":425327,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jiazhan, H.","contributorId":97708,"corporation":false,"usgs":true,"family":"Jiazhan","given":"H.","email":"","affiliations":[],"preferred":false,"id":425330,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zhiping, L.","contributorId":88157,"corporation":false,"usgs":true,"family":"Zhiping","given":"L.","email":"","affiliations":[],"preferred":false,"id":425329,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Chenggui, J.","contributorId":50357,"corporation":false,"usgs":true,"family":"Chenggui","given":"J.","email":"","affiliations":[],"preferred":false,"id":425328,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70029879,"text":"70029879 - 2007 - A new species of Pentadinium from Eastern Anatolia, Turkey, Pentadinium galileoi","interactions":[],"lastModifiedDate":"2020-03-27T06:46:14","indexId":"70029879","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2735,"text":"Micropaleontology","active":true,"publicationSubtype":{"id":10}},"title":"A new species of Pentadinium from Eastern Anatolia, Turkey, Pentadinium galileoi","docAbstract":"The new gonyaulacoid dinoflagellate Pentadinium galileoi Sancay et al., sp. nov. from the Oligocene-Lower Miocene sediments of Eastern Anatolia has been identified. It is spherical, chordate with prominant discoidal cingulum and distally furcate apical, sulcal, and antapical processes. It has a type P(3???) archeopyle, and periarcheopyle is larger than endoarcheopyle. Tabulation is distinct and it has a formula of 1pr, 3-4',6???,6c,6???', 1p,1??????, Wall structure is granular in intraplate areas, and it has gonal spines at apex, posterior intercalary, and antapex. Processes at gonal positions may be on a variably developed antapical 'skirt' formed by extended septa (2-3 ??m), minute bifurcate spines intergonally and along cingulum at plate intersections. Periphragm and endophragm appressed except at cingular area and at septa. The size of the cysts ranges between 73-89??m with an avarage of 84??m.","language":"English","publisher":"GeoScienceWorld","doi":"10.2113/gsmicropal.52.6.537","issn":"00262803","usgsCitation":"Sancay, R., Bati, Z., Edwards, L.E., and Ertug, K., 2007, A new species of Pentadinium from Eastern Anatolia, Turkey, Pentadinium galileoi: Micropaleontology, v. 52, no. 6, p. 537-543, https://doi.org/10.2113/gsmicropal.52.6.537.","productDescription":"7 p.","startPage":"537","endPage":"543","numberOfPages":"7","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":240455,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Turkey","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"MultiPolygon\",\"coordinates\":[[[[36.91313,41.33536],[38.34766,40.94859],[39.51261,41.10276],[40.37343,41.01367],[41.55408,41.53566],[42.61955,41.58317],[43.58275,41.09214],[43.75266,40.7402],[43.65644,40.25356],[44.40001,40.005],[44.79399,39.713],[44.10923,39.42814],[44.4214,38.28128],[44.22576,37.97158],[44.7727,37.17044],[44.29345,37.00151],[43.94226,37.25623],[42.77913,37.38526],[42.34959,37.22987],[41.21209,37.07435],[40.67326,37.09128],[39.52258,36.71605],[38.69989,36.71293],[38.16773,36.90121],[37.06676,36.62304],[36.73949,36.81752],[36.68539,36.2597],[36.41755,36.04062],[36.14976,35.82153],[35.78208,36.275],[36.16082,36.65061],[35.55094,36.56544],[34.71455,36.79553],[34.02689,36.21996],[32.50916,36.10756],[31.6996,36.64428],[30.62162,36.67786],[30.3911,36.26298],[29.69998,36.14436],[28.7329,36.67683],[27.64119,36.65882],[27.04877,37.65336],[26.31822,38.20813],[26.8047,38.98576],[26.17079,39.46361],[27.28002,40.42001],[28.81998,40.46001],[29.24,41.21999],[31.14593,41.08762],[32.34798,41.73626],[33.51328,42.01896],[35.1677,42.04022],[36.91313,41.33536]]],[[[27.19238,40.69057],[26.35801,40.15199],[26.04335,40.61775],[26.05694,40.82412],[26.2946,40.93626],[26.6042,41.56211],[26.11704,41.8269],[27.13574,42.14148],[27.99672,42.00736],[28.11552,41.62289],[28.98844,41.29993],[28.80644,41.05496],[27.61902,40.99982],[27.19238,40.69057]]]]},\"properties\":{\"name\":\"Turkey\"}}]}","volume":"52","issue":"6","noUsgsAuthors":false,"publicationDate":"2009-06-03","publicationStatus":"PW","scienceBaseUri":"5059e4b3e4b0c8380cd46861","contributors":{"authors":[{"text":"Sancay, R.H.","contributorId":63624,"corporation":false,"usgs":true,"family":"Sancay","given":"R.H.","email":"","affiliations":[],"preferred":false,"id":424709,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bati, Z.","contributorId":98951,"corporation":false,"usgs":true,"family":"Bati","given":"Z.","email":"","affiliations":[],"preferred":false,"id":424711,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Edwards, Lucy E. 0000-0003-4075-3317 leedward@usgs.gov","orcid":"https://orcid.org/0000-0003-4075-3317","contributorId":2647,"corporation":false,"usgs":true,"family":"Edwards","given":"Lucy","email":"leedward@usgs.gov","middleInitial":"E.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":424708,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ertug, K.I.","contributorId":94505,"corporation":false,"usgs":true,"family":"Ertug","given":"K.I.","email":"","affiliations":[],"preferred":false,"id":424710,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70029926,"text":"70029926 - 2007 - Formation of tellurium nanocrystals during anaerobic growth of bacteria that use Te oxyanions as respiratory electron acceptors","interactions":[],"lastModifiedDate":"2023-08-25T12:21:45.373227","indexId":"70029926","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":850,"text":"Applied and Environmental Microbiology","active":true,"publicationSubtype":{"id":10}},"title":"Formation of tellurium nanocrystals during anaerobic growth of bacteria that use Te oxyanions as respiratory electron acceptors","docAbstract":"This paper evaluates the dual‐domain mass transfer (DDMT) model to represent transport processes when small‐scale high‐conductivity (K) preferential flow paths (PFPs) are present in a homogenous porous media matrix. The effects of PFPs upon solute transport were examined through detailed numerical experiments involving different realizations of PFP networks, PFP/matrix conductivity contrasts varying from 10:1 to 200:1, different magnitudes of effective conductivities, and a range of molecular diffusion coefficients. Results suggest that the DDMT model can reproduce both the near‐source peak and the downstream low‐concentration spreading observed in the embedded dendritic network when there are large conductivity contrasts between high‐K PFPs and the low‐K matrix. The accuracy of the DDMT model is also affected by the geometry of PFP networks and by the relative significance of the diffusion process in the network‐matrix system.
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Sulfide concentrations in porewaters at the shell–sediment interface of cores from shell beds were high, 3.3 to 12.1 mmol l–1, compared to <1 mmol l–1 sulfide concentrations at the clam–sediment interface in live clam beds. Concentration profiles for sulfide and sulfate in shell beds were typical of those expected where there is active microbial sulfate reduction. In clam beds, profiles of sulfide and sulfate concentrations were also consistent with rapid uptake of sulfide by the clams. Sulfate in shell beds was systematically enriched in 34S relative to that in clam beds due to microbial fractionation during sulfate reduction, but in clam beds, sulfate δ34S matched that of seawater (~20‰). Residual sulfide values in clam and shell beds were correspondingly depleted in 34S. 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In two shallow aquifers, one an unconsolidated coastal plain aquifer in Kings Bay, Georgia, and the other a fractured‐bedrock aquifer in West Trenton, New Jersey, long‐term monitoring showed that CO concentrations varied over time by as much as a factor of 10. Field and laboratory evidence suggests that the delivery of dissolved oxygen to the soil zone and underlying aquifers by periodic recharge events stimulates oxic metabolism and produces transiently high CO concentrations. In between recharge events, the aquifers become anoxic and more substrate limited, CO is consumed as a carbon source, and CO concentrations decrease. According to this model, CO concentrations provide a transient record of oxic metabolism affecting ground water systems after dissolved oxygen has been fully consumed. Because the delivery of oxygen affects the fate and transport of natural and anthropogenic contaminants in ground water, CO concentration changes may be useful for identifying predominantly anoxic ground water systems subject to periodic oxic or microaerophilic conditions.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ground Water","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1745-6584.2007.00284.x","issn":"0017467X","usgsCitation":"Chapelle, F.H., and Bradley, P.M., 2007, Hydrologic significance of carbon monoxide concentrations in ground water: Ground Water, v. 45, no. 3, p. 272-280, https://doi.org/10.1111/j.1745-6584.2007.00284.x.","productDescription":"9 p.","startPage":"272","endPage":"280","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":240551,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":212976,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1745-6584.2007.00284.x"}],"volume":"45","issue":"3","noUsgsAuthors":false,"publicationDate":"2007-03-12","publicationStatus":"PW","scienceBaseUri":"505a368ae4b0c8380cd607c7","contributors":{"authors":[{"text":"Chapelle, Francis H. chapelle@usgs.gov","contributorId":1350,"corporation":false,"usgs":true,"family":"Chapelle","given":"Francis","email":"chapelle@usgs.gov","middleInitial":"H.","affiliations":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true},{"id":559,"text":"South Carolina Water Science Center","active":true,"usgs":true}],"preferred":true,"id":424458,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bradley, Paul M. 0000-0001-7522-8606 pbradley@usgs.gov","orcid":"https://orcid.org/0000-0001-7522-8606","contributorId":361,"corporation":false,"usgs":true,"family":"Bradley","given":"Paul","email":"pbradley@usgs.gov","middleInitial":"M.","affiliations":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"preferred":true,"id":424457,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70029816,"text":"70029816 - 2007 - East asian gold: Deciphering the anomaly of phanerozoic gold in precambrian cratons","interactions":[],"lastModifiedDate":"2012-03-12T17:21:07","indexId":"70029816","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"East asian gold: Deciphering the anomaly of phanerozoic gold in precambrian cratons","docAbstract":"Early Cretaceous orogenic gold deposits in eastern Asia are globally unique in that large Phanerozoic lode gold deposits occur in Archean-Paleoproterozoic cratons. In the northern Pacific region, ca. 125 Ma orogenic gold deposits in the North China, Yangzte, and Siberian craton margins, as well as in young terranes in California, may ultimately relate to the giant Cretaceous mantle plume in the southern Pacific basin and the relatively rapid tectonic consequences along both continental margins from resulting Pacific plate reconfigurations. In eastern Asia, such consequences include reactivation of and fluid flow along major fault systems, with fluid focusing into simultaneously forming, isolated core complexes of uncertain genesis. Deposition of gold ores in previously devolatilized high-grade Precambrian metamorphic rocks requires an exotic source of ore fluid, most likely subducted Mesozoic oceanic crust and/or overlying sediment. An implication is that Phanerozoic metamorphic core complexes in other destabilized craton margins could host large gold resources. ?? 2007 by Economic Geology.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Economic Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.2113/gsecongeo.102.3.341","issn":"03610128","usgsCitation":"Goldfarb, R., Hart, C., Davis, G., and Groves, D., 2007, East asian gold: Deciphering the anomaly of phanerozoic gold in precambrian cratons: Economic Geology, v. 102, no. 3, p. 341-345, https://doi.org/10.2113/gsecongeo.102.3.341.","startPage":"341","endPage":"345","numberOfPages":"5","costCenters":[],"links":[{"id":212949,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2113/gsecongeo.102.3.341"},{"id":240519,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"102","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a052fe4b0c8380cd50cc5","contributors":{"authors":[{"text":"Goldfarb, R.J.","contributorId":38143,"corporation":false,"usgs":true,"family":"Goldfarb","given":"R.J.","email":"","affiliations":[],"preferred":false,"id":424450,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hart, C.","contributorId":33472,"corporation":false,"usgs":true,"family":"Hart","given":"C.","email":"","affiliations":[],"preferred":false,"id":424449,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Davis, G.","contributorId":17343,"corporation":false,"usgs":true,"family":"Davis","given":"G.","affiliations":[],"preferred":false,"id":424448,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Groves, D.","contributorId":46311,"corporation":false,"usgs":true,"family":"Groves","given":"D.","email":"","affiliations":[],"preferred":false,"id":424451,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70029736,"text":"70029736 - 2007 - The influence of extractable organic matter on vitrinite reflectance suppression: A survey of kerogen and coal types","interactions":[],"lastModifiedDate":"2012-03-12T17:21:06","indexId":"70029736","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2033,"text":"International Journal of Coal Geology","active":true,"publicationSubtype":{"id":10}},"title":"The influence of extractable organic matter on vitrinite reflectance suppression: A survey of kerogen and coal types","docAbstract":"The vitrinite reflectance suppression literature shows that while bitumen impregnation of the vitrinite group is often invoked as a significant contributor to suppression, its existence is not often supported by petrological evidence. This study examines bitumen impregnation as a factor in vitrinite suppression by comparing the vitrinite reflectance of source rock and coal samples before and after solvent-extraction. Bitumen, often defined as organic matter soluble or extractable in certain organic solvents, should be removed by Soxhlet method solvent extraction using chloroform. Removing the extractable bitumen should restore the suppressed reflectance to its true higher value. However, the solvent extracted samples averaged 0.014% Rv less than that of the unextracted samples. We conclude from these results and from other published data that reflectance suppression by bitumen impregnation in the vitrinite maceral group, above the huminite stage of gelification, is seemingly a rare phenomenon and whose effect on suppressing vitrinite reflectance is typically negligible. ?? 2006.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"International Journal of Coal Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.coal.2006.03.005","issn":"01665162","usgsCitation":"Barker, C., Lewan, M.D., and Pawlewicz, M., 2007, The influence of extractable organic matter on vitrinite reflectance suppression: A survey of kerogen and coal types: International Journal of Coal Geology, v. 70, no. 1-3 SPEC. ISS., p. 67-78, https://doi.org/10.1016/j.coal.2006.03.005.","startPage":"67","endPage":"78","numberOfPages":"12","costCenters":[],"links":[{"id":212859,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.coal.2006.03.005"},{"id":240416,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"70","issue":"1-3 SPEC. ISS.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bad1fe4b08c986b3239ba","contributors":{"authors":[{"text":"Barker, C.E.","contributorId":69991,"corporation":false,"usgs":true,"family":"Barker","given":"C.E.","affiliations":[],"preferred":false,"id":424058,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lewan, M. D.","contributorId":46540,"corporation":false,"usgs":true,"family":"Lewan","given":"M.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":424057,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pawlewicz, M. J.","contributorId":75111,"corporation":false,"usgs":true,"family":"Pawlewicz","given":"M. J.","affiliations":[],"preferred":false,"id":424059,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70029815,"text":"70029815 - 2007 - New isotopic evidence for the origin of groundwater from the Nubian Sandstone Aquifer in the Negev, Israel","interactions":[],"lastModifiedDate":"2023-08-25T11:11:42.519948","indexId":"70029815","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":835,"text":"Applied Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"New isotopic evidence for the origin of groundwater from the Nubian Sandstone Aquifer in the Negev, Israel","docAbstract":"The geochemistry and isotopic composition (H, O, S, Osulfate, C, Sr) of groundwater from the Nubian Sandstone (Kurnub Group) aquifer in the Negev, Israel, were investigated in an attempt to reconstruct the origin of the water and solutes, evaluate modes of water–rock interactions, and determine mean residence times of the water. The results indicate multiple recharge events into the Nubian sandstone aquifer characterized by distinctive isotope signatures and deuterium excess values. In the northeastern Negev, groundwater was identified with deuterium excess values of ∼16‰, which suggests local recharge via unconfined areas of the aquifer in the Negev anticline systems. The δ18OH2O and δ2H values (−6.5‰ and −35.4‰) of this groundwater are higher than those of groundwater in the Sinai Peninsula and southern Arava valley (−7.5‰ and −48.3‰) that likewise have lower deuterium excess values of ∼10‰. Based on the geochemical differences between groundwater in the unconfined and confined zones of the aquifer, a conceptual geochemical model for the evolution of the groundwater in the Nubian sandstone aquifer has been reconstructed. The isotopic composition of shallow groundwater from the unconfined zone indicates that during recharge oxidation of pyrite to SO4 (δ34SSO4 ∼−13‰; δ18OSO4 ∼+7.7‰) and dissolution of CaCO3 (87Sr/86Sr ∼0.70787; δ13CDIC = −3.7‰) occur. In the confined zone of the aquifer, bacterial SO4 reduction removes a significant part of dissolved
Distinct differences in body size exist among three Rana grylio populations in areas of the Florida Everglades that differ in frog harvest pressure and hydroperiod. Frogs from two populations are harvested regularly throughout the year, while those in the third are protected from harvest. We compared seasonal and sex differences in diet, reproduction, and growth across these populations to examine life-history patterns. By volume, crayfish and anurans were the most abundant prey items for all adults across sites. Frogs from drier sites consumed more crayfish than frogs from the wettest site. Anurans were abundant in the diet during the wet season, while crayfish and fish were abundant during the dry season. More frogs with empty stomachs were captured during the wet season than the dry season. Feeding, growth, and fat deposition were greatest during the dry season across all sites. Although females were found in all reproductive stages throughout the year, the highest percentage of females had mature ova during the late dry season and spent ovaries during the early wet season. Individual patterns of growth were similar across all sites and matched historical growth data from the 1950s. Differences in body size among sites were most likely attributable to differential mortality (i.e., harvest pressure, predation) rather than to differences in food access or growth. ?? 2007 by the American Society of Ichthyologists and Herpetologists.
","language":"English","publisher":"The American Society of Ichthyologists and Herpetologists","doi":"10.1643/0045-8511(2007)7[436:CODRBA]2.0.CO;2","issn":"00458511","usgsCitation":"Ugarte, C., Rice, K., and Donnelly, M., 2007, Comparison of diet, reproductive biology, and growth of the pig frog (Rana grylio) from harvested and protected areas of the Florida Everglades: Copeia, no. 2, p. 436-448, https://doi.org/10.1643/0045-8511(2007)7[436:CODRBA]2.0.CO;2.","productDescription":"13 p.","startPage":"436","endPage":"448","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":240487,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f85ae4b0c8380cd4d04c","contributors":{"authors":[{"text":"Ugarte, C.A.","contributorId":29645,"corporation":false,"usgs":true,"family":"Ugarte","given":"C.A.","email":"","affiliations":[],"preferred":false,"id":424438,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rice, K.G. 0000-0001-8282-1088","orcid":"https://orcid.org/0000-0001-8282-1088","contributorId":41949,"corporation":false,"usgs":true,"family":"Rice","given":"K.G.","affiliations":[],"preferred":false,"id":424439,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Donnelly, M.A.","contributorId":78845,"corporation":false,"usgs":true,"family":"Donnelly","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":424440,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70029704,"text":"70029704 - 2007 - Return to the wild: Translocation as a tool in conservation of the desert tortoise (Gopherus agassizii)","interactions":[],"lastModifiedDate":"2019-11-11T13:24:18","indexId":"70029704","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1015,"text":"Biological Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Return to the wild: Translocation as a tool in conservation of the desert tortoise (Gopherus agassizii)","docAbstract":"Translocation could be used as a tool in conservation of the threatened Mojave Desert Tortoise (Gopherus agassizii) by moving individuals from harm's way and into areas where they could contribute to conservation of the species. Numerous factors may affect the success of translocations, including the conditions experienced by tortoises in holding facilities while awaiting translocation. The tortoises available for our translocation study had been provided supplemental water during their years spent in a captive holding facility, potentially inducing carelessness in water conservation. In addition to generally investigating the efficacy of translocation, we compared the effects of continuing with the effects of ceasing the holding facility's water supplementation regimen. After exposure to one of the two water regimens, all tortoises were given the opportunity to hydrate immediately prior to release. We examined behavior, body mass, carapace length, movement, and mortality of tortoises for two activity seasons following release to the wild. Water supplementation was correlated with high rates of carapace growth and distant movements by males after release. Lengthy movements following translocation may be problematic for conservation planning, but this should be evaluated in light of the goals and circumstances of each translocation project. Although the mortality rate was 21.4% in 1997, data suggest that drought conditions at the site rather than the translocation itself negatively affected the tortoises. None of the tortoises died during their second season at the site. Our results indicate that translocation should be considered a useful tool in conservation of the Desert Tortoise.
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\"}}]}","volume":"136","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aac2de4b0c8380cd86bd1","contributors":{"authors":[{"text":"Field, K.J.","contributorId":30451,"corporation":false,"usgs":true,"family":"Field","given":"K.J.","affiliations":[],"preferred":false,"id":423928,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tracy, C.R.","contributorId":73524,"corporation":false,"usgs":true,"family":"Tracy","given":"C.R.","email":"","affiliations":[],"preferred":false,"id":423930,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Medica, P.A.","contributorId":77079,"corporation":false,"usgs":true,"family":"Medica","given":"P.A.","email":"","affiliations":[],"preferred":false,"id":423931,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marlow, R.W.","contributorId":20276,"corporation":false,"usgs":true,"family":"Marlow","given":"R.W.","email":"","affiliations":[],"preferred":false,"id":423927,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Corn, P.S.","contributorId":63751,"corporation":false,"usgs":true,"family":"Corn","given":"P.S.","affiliations":[],"preferred":false,"id":423929,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70029783,"text":"70029783 - 2007 - Thiamine and fatty acid content of walleye tissue from three southern U.S. reservoirs","interactions":[],"lastModifiedDate":"2012-03-12T17:21:06","indexId":"70029783","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2177,"text":"Journal of Aquatic Animal Health","active":true,"publicationSubtype":{"id":10}},"title":"Thiamine and fatty acid content of walleye tissue from three southern U.S. reservoirs","docAbstract":"We determined the thiamine concentration in egg, muscle, and liver tissues of walleyes Sander vitreus and the fatty acid content of walleye eggs from three southern U.S. reservoirs. In two Tennessee reservoirs (Dale Hollow and Center Hill), in which there were alewives Alosa pseudoharengus in the forage base, natural recruitment of walleyes was not occurring; by contrast in Lake James Reservoir, North Carolina, where there were no alewives, the walleye population was sustained via natural recruitment. Female walleye tissues were collected and assayed for thiamine (vitamin B1) and fatty acid content. Thiamine pyrophosphate was found to be the predominant form of thiamine in walleye eggs. In 2000, mean total egg thiamine concentrations were similar among Center Hill, Dale Hollow, and Lake James reservoirs (2.13, 3.14, and 2.77 nmol thiamine/g, respectively). Egg thiamine concentration increased as maternal muscle (r 2 = 0.73) and liver (r2 = 0.68) thiamine concentration increased. Walleye egg thiamine does not appear to be connected to poor natural reproduction in Tennessee walleyes. Threadfin shad Dorosoma petenense, which are found in all three reservoirs, had higher thiaminase activity than alewives. Six fatty acids differed among the walleye eggs for the three reservoirs. Two were physiologically important fatty acids, arachidonic acid (20:4[n-6]) and docosahexaenoic acid (22:6[n-3]), which are important eicosanoid precursors involved in the regulation of biological functions, such as immune response and reproduction. ?? Copyright by the American Fisheries Society 2007.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Aquatic Animal Health","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1577/H06-033.1","issn":"08997659","usgsCitation":"Honeyfield, D., Vandergoot, C., Bettoli, P., Hinterkopf, J.P., and Zajicek, J., 2007, Thiamine and fatty acid content of walleye tissue from three southern U.S. reservoirs: Journal of Aquatic Animal Health, v. 19, no. 2, p. 84-93, https://doi.org/10.1577/H06-033.1.","startPage":"84","endPage":"93","numberOfPages":"10","costCenters":[],"links":[{"id":212975,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1577/H06-033.1"},{"id":240549,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"2","noUsgsAuthors":false,"publicationDate":"2007-06-01","publicationStatus":"PW","scienceBaseUri":"505bb291e4b08c986b3258b1","contributors":{"authors":[{"text":"Honeyfield, D. 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