Challenges and opportunities for integrating lake ecosystem modelling approaches
Wolf M. Mooij, Dennis Trolle, Erik Jeppesen, George Arhonditsis, Pavel V. Belolipetsky, Deonatus B.R. Chitamwebwa, Andrey G. Degermendzhy, Donald L. DeAngelis, Lisette N. De Senerpont Domis, Andrea S. Downing, J. Alex Elliott, Carlos Ruberto Fragoso Jr., Ursula Gaedke, Svetlana N. Genova, Ramesh D. Gulati, Lars Hakanson, David P. Hamilton, Matthew R. Hipsey, Jochem ’t Hoen, Stephan Hulsmann, F. Hans Los, Vardit Makler-Pick, Thomas Petzoldt, Igor G. Prokopkin, Karsten Rinke, Sebastiaan A. Schep, Koji Tominaga, Anne A. Van Dam, Egbert H. Van Nes, Scott A. Wells, Jan H. Janse
2010, Aquatic Ecology (44) 633-667
A large number and wide variety of lake ecosystem models have been developed and published during the past four decades. We identify two challenges for making further progress in this field. One such challenge is to avoid developing more models largely following the concept of others (‘reinventing the wheel’). The...
Centennial eolian cyclicity in the Great Plains, USA: A dominant pattern of wind transport over the past 4000 years?
Antje Schwalb, Walter E. Dean, C. Sherilyn Fritz, Christoph E. Geiss, Bernd Kromer
2010, Quaternary Science Reviews (29) 2325-2339
Proxy evidence at decadal resolution from Late Holocene sediments from Pickerel Lake, northeastern South Dakota, shows distinct centennial cycles (400-700 years) in magnetic susceptibility; contents of carbonate, organic carbon, and major elements; abundance in ostracodes; and delta18O and delta13C values in calcite. Proxies indicate cyclic changes in eolian input, productivity,...
Certhiasomus, a new genus of woodcreeper (Aves: Passeriformes: Dendrocolaptidae)
Elizabeth Derryberry, Santiago Claramunt, R. Terry Chesser, Alexandre Aleixo, Joel Cracraft, Robert G. Moyle, Robb T. Brumfield
2010, Zootaxa 44-44
Phylogenetic analysis of the family Dendrocolaptidae (Aves: Passeriformes) indicates that the two species traditionally placed in the genus Deconychura are not sister taxa. Certhiasomus, a new genus of woodcreeper, is described for one of these species, C. stictolaemus....
A review of sediment budget imbalances along Fire Island, New York: Can nearshore geologic framework and patterns of shoreline change explain the deficit?
Cheryl J. Hapke, Erika E. Lentz, Paul T. Gayes, Clayton A. McCoy, Rachel E. Henderson, William C. Schwab, S. Jeffress Williams
2010, Journal of Coastal Research (26) 510-522
Sediment budget analyses conducted for annual to decadal timescales report variable magnitudes of littoral transport along the south shore of Long Island, New York. It is well documented that the primary transport component is directed alongshore from east to west, but relatively little information has been reported concerning the directions...
A rapid, strong, and convergent genetic response to urban habitat fragmentation in four divergent and widespread vertebrates
Kathleen Semple Delaney, Seth P.D. Riley, Robert N. Fisher
2010, PLoS ONE (5)
Background: Urbanization is a major cause of habitat fragmentation worldwide. Ecological and conservation theory predicts many potential impacts of habitat fragmentation on natural populations, including genetic impacts. Habitat fragmentation by urbanization causes populations of animals and plants to be isolated in patches of suitable habitat that are surrounded by non-native...
A rapid method for the measurement of sulfur hexafluoride (SF6), trifluoromethyl sulfur pentafluoride (SF5CF3), and Halon 1211 (CF2ClBr) in hydrologic tracer studies
Eurybiades Busenberg, Niel Plummer
2010, Geochemistry, Geophysics, Geosystems (11)
A rapid headspace method for the simultaneous laboratory determination of intentionally introduced hydrologic tracers, sulfur hexafluoride (SF6), trifluoromethyl sulfur pentafluoride (SF5CF3), Halon 1211 (CF2ClBr), and other halocarbons in water and gases is described. The high sensitivity of the procedure allows for introduction of minimal tracer mass (a few grams) into...
Carbon exchange in biological soil crust communities under differential temperatures and soil water contents: Implications for global change
Edmund E. Grote, Jayne Belnap, David C. Housman, Jed P. Sparks
2010, Global Change Biology (16) 2763-2774
Biological soil crusts (biocrusts) are an integral part of the soil system in arid regions worldwide, stabilizing soil surfaces, aiding vascular plant establishment, and are significant sources of ecosystem nitrogen and carbon. Hydration and temperature primarily control ecosystem CO2 flux in these systems. Using constructed mesocosms for incubations under controlled laboratory...
Can we improve the salinity tolerance of genotypes of Taxodium by using varietal and hybrid crosses?
Lijing Zhou, David L. Creech, Ken W. Krauss, Yin Yunlong, David L. Kulhavy
2010, HortScience (45) 1773-1778
Taxodium distichum (L.) Rich. var. distichum [baldcypress (BC)], Taxodium distichum var. mexicanum Gordon [Montezuma cypress (MC)], and a Taxodium hybrid (\'Nanjing Beauty\': BC x MC cross, T302) were evaluated for salt tolerance in 2006 at Nacogdoches, TX. Plants were irrigated weekly with four levels of salinity [0, 1, 3.5, and...
Book review
Matthew C. Perry
2010, Waterbirds (33) 121-122
No abstract available....
Beyond Colorado's Front Range - A new look at Laramide basin subsidence, sedimentation, and deformation in north-central Colorado
James C. Cole, James H. Trexler Jr., Patricia H. Cashman, Ian M. Miller, Ralph R. Shroba, Michael A. Cosca, Jeremiah B. Workman
2010, Book chapter, GSA field guide: Through the generations
This field trip highlights recent research into the Laramide uplift, erosion, and sedimentation on the western side of the northern Colorado Front Range. The Laramide history of the North Park-Middle Park basin (designated the Colorado Headwaters Basin in this paper) is distinctly different from that of the Denver basin on...
A long-term vegetation history of the Mojave-Colorado Desert ecotone at Joshua Tree National Park
Camille A. Holmgren, Julio L. Betancourt, Kate A. Rylander
2010, Journal of Quaternary Science (25) 222-236
Thirty-eight dated packrat middens were collected from upper desert (930–1357 m) elevations within Joshua Tree National Park near the ecotone between the Mojave Desert and Colorado Desert, providing a 30 ka record of vegetation change with remarkably even coverage for the last 15 ka. This record indicates that vegetation was relatively stable, which...
Lesions and behavior associated with forced copulation of juvenile Pacific harbor seals (Phoca vitulina richardsi) by southern sea otters (Enhydra lutris nereis)
Heather S. Harris, Stori C. Oates, Michelle M. Staedler, M. Tim Tinker, David A. Jessup, James T. Harvey, Melissa A. Miller
2010, Aquatic Mammals (36) 331-341
Nineteen occurrences of interspecific sexual behavior between male southern sea otters (Enhydra lutris nereis) and juvenile Pacific harbor seals (Phoca vitulina richardsi) were reported in Monterey Bay, California, between 2000 and 2002. At least three different male sea otters were observed harassing, dragging, guarding, and copulating with harbor seals for...
Bat guano virome: Predominance of dietary viruses from insects and plants plus novel mammalian viruses
Linlin Li, G. Victoria Joseph, Chunlin Wang, Morris Jones, Gary M. Fellers, Thomas H. Kunz, Eric Delwart
2010, Journal of Virology (84) 6955-6965
Bats are hosts to a variety of viruses capable of zoonotic transmissions. Because of increased contact between bats, humans, and other animal species, the possibility exists for further cross-species transmissions and ensuing disease outbreaks. We describe here full and partial viral genomes identified using metagenomics in the guano of bats from California...
Exploring active tectonics in the Dominican Republic
A Carbo-Gorosabel, D. Cordoba-Barbara, J. Martin-Davila, J. L. Granja-Bruna, Estrada P. Llanes, A. Munoz-Martin, Uri S. ten Brink
2010, Eos Science News (91) 261-262
The devastating 12 January 2010 Haiti earthquake (M = 7.0), which killed an estimated 230,000 people and caused extensive damage to homes and buildings, drew attention to the crucial need for improved knowledge of the active tectonics of the Caribbean region. But even before this disastrous event, interest in understanding the...
A finite population Bayes procedure for censored categorical abundance data
Mark D. Holland, Glen Meeden, Brian R. Gray
2010, Journal of the Indian Society of Agricultural Statistics (64) 171-175
A dynamic organic soil biogeochemical model for simulating the effects of wildfire on soil environmental conditions and carbon dynamics of black spruce forests
Shuhua Yi, A. David McGuire, Eric Kasischke, Jennifer Harden, Kristen Manies, Michelle Mack, Merritt Turetsky
2010, Journal of Geophysical Research G: Biogeosciences (115) G04015
Estimating aboveground biomass for broadleaf woody plants and young conifers in Sierra Nevada, California forests
Thomas W. McGinnis, Christine D. Shook, Jon E. Keeley
2010, Journal of Applied Forestry (25) 203-209
Quantification of biomass is fundamental to a wide range of research and natural resource management goals. An accurate estimation of plant biomass is essential to predict potential fire behavior, calculate carbon sequestration for global climate change research, assess critical wildlife habitat, and so forth. Reliable allometric equations from simple field...
Geohydrology of the stratified-drift aquifer system in the lower Sixmile Creek and Willseyville Creek trough, Tompkins County, New York
Todd S. Miller, Daniel E. Karig
2010, Scientific Investigations Report 2010-5230
In 2002, the U.S. Geological Survey, in cooperation with the Tompkins County Planning Department began a series of studies of the stratified-drift aquifers in Tompkins County to provide geohydrologic data for planners to develop a strategy to manage and protect their water resources. This aquifer study in lower Sixmile Creek...
Simulation of groundwater flow to assess future withdrawals associated with Base Realignment and Closure (BRAC) at Fort George G. Meade, Maryland
Jeff P. Raffensperger, Brandon J. Fleming, William S.L. Banks, Marilee A. Horn, Mark R. Nardi, David C. Andreasen
2010, Scientific Investigations Report 2010-5186
Increased groundwater withdrawals from confined aquifers in the Maryland Coastal Plain to supply anticipated growth at Fort George G. Meade (Fort Meade) and surrounding areas resulting from the Department of Defense Base Realignment and Closure Program may have adverse effects in the outcrop or near-outcrop areas. Specifically, increased pumping from...
Effects of groundwater withdrawal on borehole flow and salinity measured in deep monitor wells in Hawai'i: implications for groundwater management
Kolja Rotzoll
2010, Scientific Investigations Report 2010-5058
Water-resource managers in Hawai`i rely heavily on salinity profiles from deep monitor wells to estimate the thickness of freshwater and the depth to the midpoint of the transition zone between freshwater and saltwater in freshwater-lens systems. The deep monitor wells are typically open boreholes below the water table and extend...
Potentiometric Surface of the Aquia Aquifer in Southern Maryland, September 2009
Stephen E. Curtin, David C. Andreasen, Andrew W. Staley
2010, Open-File Report 2010-1201
This report presents a map showing the potentiometric surface of the Aquia aquifer in the Aquia Formation of Paleocene age in Southern Maryland during September 2009. The map is based on water-level measurements in 82 wells. The highest measured water level was 48 feet above sea level near the northern...
Difference between the potentiometric surfaces of the Lower Patapsco aquifer in southern Maryland, September 1990 and September 2009
Stephen E. Curtin, David C. Andreasen, Andrew W. Staley
2010, Open-File Report 2010-1208
This report presents a map showing the change in the potentiometric surface of the lower Patapsco aquifer in the Patapsco Formation of Early Cretaceous age in Southern Maryland between September 1990 and September 2009. The map, based on water level differences obtained from 45 wells, shows that the change of...
Historic Flooding in Georgia, 2009
Anthony J. Gotvald
2010, Open-File Report 2010-1230
Heavy rains in southern Georgia during March 27-April 3, 2009, and in northern Georgia during September 16-22, 2009, caused severe flooding and widespread damages to residential, public, and commercial structures. Of the 159 counties in Georgia, 69 were declared disaster areas because of flooding. The heavy rainfall in southern Georgia...
Epic Flooding in Georgia, 2009
Anthony J. Gotvald, Brian E. McCallum
2010, Fact Sheet 2010-3107
Metropolitan Atlanta-September 2009 Floods The epic floods experienced in the Atlanta area in September 2009 were extremely rare. Eighteen streamgages in the Metropolitan Atlanta area had flood magnitudes much greater than the estimated 0.2-percent (500-year) annual exceedance probability. The Federal Emergency Management Agency (FEMA) reported that 23 counties in Georgia...
Status of groundwater levels and storage volume in the Equus Beds aquifer near Wichita, Kansas, January 2006 to January 2010
Cristi V. Hansen, Walter R. Aucott
2010, Scientific Investigations Report 2010-5231
A part of the Equus Beds aquifer in southwestern Harvey County and northwestern Sedgwick County was developed to supply water to residents of Wichita and for irrigation in south-central Kansas. Groundwater pumping for city and agricultural use caused water levels to decline in a large part of the aquifer northwest...
