Photomosaics and logs associated with study of West Napa Fault at Ehlers Lane, north of Saint Helena, California
Belle E. Philibosian, Robert R. Sickler, Carol S. Prentice, Alexandra J. Pickering, Patrick Gannon, Kiara N. Broudy, Shannon A. Mahan, Jazmine N. Titular, Eli A. Turner, Cameron Folmar, Sierra F. Patterson, Emilie E. Bowman
2022, Open-File Report 2022-1002
The West Napa Fault has previously been mapped as extending ~45 kilometers (km) from northern Vallejo to southern Saint Helena, California, dominantly running along the western edge of Napa Valley. A zone of fault strands (some previously unmapped) along a ~15-km section of the fault ruptured during the 2014 magnitude...
2019-2021 Palila abundance estimates and trend
Ayesha Genz, Kevin W. Brinck, Chauncey K. Asing, Lainie Berry, Richard J. Camp, Paul C. Banko
2022, Hawaii Cooperative Studies Unit Technical Report 101
The palila (Loxioides bailleui) population on Mauna Kea Volcano, Hawai‘i Island, was estimated from annual surveys in 2019−2021, and a trend analysis was performed on survey data from 1998−2021. The 2019 population was estimated at 1,030−1,899 birds (point estimate: 1,432), the 2020 population was estimated at 964−1,700 birds (point estimate:...
Terrestrial ecosystem modeling with IBIS: Progress and future vision
Jinxun Liu, Xuehe Lu, Qiuan Zhu, Wenping Yuan, Quanzhi Yuan, Zhen Zhang, Qingxi Guo, Carol Deering
2022, Journal of Resources and Ecology (13) 2-16
Dynamic Global Vegetation Models (DGVM) are powerful tools for studying complicated ecosystem processes and global changes. This review article synthesizes the developments and applications of the Integrated Biosphere Simulator (IBIS), a DGVM, over the past two decades. IBIS has been used to evaluate carbon, nitrogen, and water cycling in terrestrial...
A novel regression method for harmonic analysis of time series
Qiang Zhou, Zhe Zhu, George Z. Xian, Congcong Li
2022, ISPRS Journal of Photogrammetry and Remote Sensing (185) 48-61
Harmonic analysis of time series is an important technique in remote sensing to reveal seasonal land surface dynamics. However, frequency selection in the harmonic analysis is often difficult because high-frequency components are useful for delineating seasonal dynamics but sensitive to noise and gaps in time series. On the other hand,...
A model-independent tool for evolutionary constrained multi-objective optimization under uncertainty
Jeremy White, Matthew Knowling, Michael N. Fienen, Adam Siade, Otis Rea, Guillermo Martinez
2022, Environmental Modelling & Software (149)
An open-source tool has been developed to facilitate constrained single- and multi-objective optimization under uncertainty (CMOU) analyses. The tool uses the well-known PEST interface protocols to communicate with the underlying forward simulation, making it non-intrusive. The tool contains a built-in parallel...
Identifying and characterizing juvenile lake sturgeon (Acipenser fulvescens, Rafinesque, 1817) occupancy hot spots within the St. Clair-Detroit River System
Aaron J Mettler, Justin A. Chiotti, Andrew S Briggs, James C. Boase, Robin L. DeBruyne, Edward F. Roseman, Richard Drouin
2022, Journal of Applied Ichthyology (38) 137-148
Over the past two decades, extensive monitoring has been conducted in the St. Clair – Detroit River System to describe spatial and temporal patterns of lake sturgeon (Acipenser fulvescens). To characterize spatial patterns in juvenile lake sturgeon (<1000 mm TL) based on survey collections, ‘hot spots’ were...
The accuracy and consistency of 3D Elevation Program data: A systematic analysis
Jason M. Stoker, Barry Miller
2022, Remote Sensing (14)
The 3D Elevation Program (3DEP) has created partnership opportunities to increase the collection of high-resolution elevation data across the United States, eventually leading to complete coverage of high-resolution, three-dimensional (3D) information from light detection and ranging (lidar) data across the entire country (interferometric synthetic aperture radar in Alaska). While 3DEP...
Phenomenological and mechanistic modeling of recreational angling behavior using creel data
Alexander J. Jensen, Steven J. Dundas, James Peterson
2022, Fisheries Research (249)
Improved understanding of angling behavior in recreational fisheries can help managers account for partial controllability in systems in which angling effort is not directly regulated. Relevant aspects of angling behavior include fishing participation, site choice, and catch-and-release actions and can be considered at scales of both aggregate fishing effort and...
The effects of management practices on grassland birds—Greater Prairie-Chicken (Tympanuchus cupido pinnatus)
W. Daniel Svedarsky, John E. Toepfer, Ronald L. Westemeier, Robert J. Robel, Lawrence D. Igl, Jill A. Shaffer
2022, Professional Paper 1842-C
The keys to Greater Prairie-Chicken (Tympanuchus cupido pinnatus) management are maintaining expansive grasslands; preventing populations of Greater Prairie-Chickens from becoming small and isolated; managing grasslands to maintain proper grassland height, density, and vigor; and reducing woody plant invasion and excessive litter buildup. Within these grasslands, areas should contain short herbaceous...
Distribution and abundance of Least Bell’s Vireos (Vireo bellii pusillus) and Southwestern Willow Flycatchers (Empidonax traillii extimus) at the Mojave River Dam, San Bernardino County, California—2021 Data summary
Scarlett L. Howell, Barbara E. Kus
2022, Data Report 1149
Executive SummaryWe surveyed for Least Bell’s Vireos (Vireo bellii pusillus; vireo) and Southwestern Willow Flycatchers (Empidonax traillii extimus; flycatcher) at the Mojave River Dam study area near Hesperia, California, in 2021. Four vireo surveys were conducted between April 16 and July 16, 2021, and three flycatcher surveys were conducted between...
Response of nutrient limitation to invasive fish suppression: How carcasses and analog pellets alter periphyton
Dominique R. Lujan, Lusha M. Tronstad, Michelle A. Briggs, Lindsey K. Albertson, Hayley C. Glassic, Christopher S. Guy, Todd M Koel
2022, Freshwater Science (41) 88-99
The native Yellowstone Cutthroat Trout (Oncorhynchus clarkii bouvieri Jordan and Gilbert, 1883) population in Yellowstone Lake, Yellowstone National Park, Wyoming, USA, is in decline because of competition from the introduced, invasive Lake Trout (Salvelinus namaycush Walbaum in Artedi, 1792). Gillnetting is used to suppress adult Lake Trout; however, methods are being developed...
Critical thermal maximum of stream fishes including distinct populations of Smallmouth Bass
Shannon K. Brewer, R. Mollenhauer, J. Alexander, D.E. Moore
2022, North American Journal of Fisheries Management (42) 352-360
Understanding the thermal tolerances of stream fishes, including sport fishes, is important for assessing thermal stressors that are common across the landscape. Our study objectives were to determine the thermal tolerances of 17 stream fishes (15 species and 2 genetically distinct populations of juvenile Smallmouth Bass Micropterus dolomieu: the Neosho subspecies M....
Diet analysis using generalized linear models derived from foraging processes using R package mvtweedie
James T. Thorson, Mayumi L. Arimitsu, Taal Levi, Gretchen Roffler
2022, Ecology (103)
Diet analysis integrates a wide variety of visual, chemical, and biological identification of prey. Samples are often treated as compositional data, where each prey is analyzed as a continuous percentage of the total. However, analyzing compositional data results in analytical challenges, for example, highly parameterized models or prior transformation of...
Using surrogate taxa to inform response methods for invasive Grass Carp in the Laurentian Great Lakes
Jason L. Fischer, Lucas Nathan, John Buszkiewicz, Julia Colm, D. Andrew R. Drake, Mark R. DuFour, Patrick Kocovsky, Dave Marson, Eric R. B. Smyth, Ryan Young, Kelly F. Robinson
2022, North American Journal of Fisheries Management (42) 151-163
Sampling method decisions are critical for the effective monitoring and management of fisheries. Deploying the most effective sampling methodologies is particularly important when responding to new invasive species, where early response efforts have the best chances for eradication. In the Laurentian Great Lakes, the invasive Grass...
Golden eagle occupancy surveys and monitoring strategy in coastal southern California, United States
David Wiens, Peter H. Bloom, Melanie C. Madden, Patrick Kolar, Jeff A. Tracey, Robert N. Fisher
2022, Frontiers in Ecology and Environment (9)
Golden eagles (Aquila chrysaetos) are of increasing conservation concern in western North America. Effective conservation measures for this wide-ranging, federally protected raptor species require monitoring frameworks that accommodate strong inference on the status of breeding populations across vast landscapes. We used a broad-scale sampling design to identify relationships between landscape...
Implementation of the CCDC algorithm to produce the LCMAP Collection 1.0 annual land surface change product
George Z. Xian, Kelcy Smith, Danika F. Wellington, Josephine Horton, Qiang Zhou, Congcong Li, Roger F. Auch, Jesslyn F. Brown, Zhe Zhu, Ryan R. Reker
2022, Earth System Science Data (14) 143-162
The increasing availability of high-quality remote sensing data and advanced technologies have spurred land cover mapping to characterize land change from local to global scales. However, most land change datasets either span multiple decades at a local scale or cover limited time over a larger geographic extent. Here, we present...
Long-term suspended sediment and particulate organic carbon yields from the Reynolds Creek Experimental Watershed and Critical Zone Observatory
Kayla L Glossner, Kathleen A. Lohse, Alison P. Appling, Zane K Cram, Erin Murray, Sarah Godsey, Steve Van Vactor, Emma P McCorkle, Mark Seyfried, Frederick B Pierson
2022, Hydrological Processes (36)
Long-term (>20 y) suspended sediment (SS) and particulate organic carbon (POC) records are relatively rare and yet are necessary for understanding linkages between climate, erosion and carbon export. We estimated long-term (>23 y) SS and POC yields from four nested catchments that ranged from <1 to 54 km2 in area...
Predator–prey interactions of terrestrial invertebrates are determined by predator body size and species identity
Ana Miller-ter Kuile, Austen Apigo, An Bui, Bartholomew DiFiore, Elizabeth S. Forbes, Michelle Lee, Devyn Orr, Daniel L Preston, Rachel Behm, Taylor A. Bogar, Jasmine N. Childress, Rodolfo Dirzo, Maggie Klope, Kevin D. Lafferty, John Mclaughlin, Marisa F Morse, Carina Motta, Kevin Park, Katherine A. Plummer, David A. Weber, Ronny Young, Hillary S. Young
2022, Ecology
Predator–prey interactions shape ecosystems and can help maintain biodiversity. However, for many of the earth's most biodiverse and abundant organisms, including terrestrial arthropods, these interactions are difficult or impossible to observe directly with traditional approaches. Based on previous theory, it is likely that predator–prey interactions for...
Post-landing major element quantification using SuperCam laser induced breakdown spectroscopy
Ryan B. Anderson, Olivier Forni, Agnes Cousin, Roger C. Wiens, Samuel M. Clegg, Jens Frydenvang, Travis S.J. Gabriel, Ann M. Ollila, Susanne Schröder, Olivier Beyssac, Erin Gibbons, David Vogt, Elise Clave, Jose-Antonio Manrique, Carey Legett, Paolo Pilleri, Raymond Newell, Joseph Sarrao, Sylvestre Maurice, Gorka Arana, Karim Benzerara, Pernelle Bernardi, Sylvain Bernard, Bruno Bousquet, Adrian J. Brown, Cesar Alvarez-Llamas, Baptiste Chide, Edward A. Cloutis, Jade Comellas, Stephanie Connell, Erwin Dehouck, Dorothea Delapp, Ari Essunfeld, Cecile Fabre, Thierry Fouchet, Cristina Garcia, Laura Garcia-Gomez, Patrick J. Gasda, Olivier Gasnault, Elisabeth Hausrath, Nina L. Lanza, Javier Laserna, Jeremie Lasue, Guillermo Lopez, Juan Manuel Madariaga, Lucia Mandon, Nicolas Mangold, Pierre-Yves Meslin, Marion Nachon, Anthony Nelson, Horton E. Newsom, Adriana Reyes-Newell, Scott Robinson, Fernando Rull, Shiv Sharma, Justin I Simon, Pablo Sobron, Imanol Torre Fernandez, Arya Udry, Dawn Venhaus, Scott McLennan, Richard V. Morris, Bethany L. Ehlmann
2022, Spectrochimica Acta B (188)
The SuperCam instrument on the Perseverance Mars 2020 rover uses a pulsed 1064 nm laser to ablate targets at a distance and conduct laser induced breakdown spectroscopy (LIBS) by analyzing the light from the resulting plasma. SuperCam LIBS spectra are preprocessed to remove ambient light, noise, and...
Response to comment on “Mercury isotope fractionation by internal demethylation and biomineralization reactions in seabirds: Implications for environmental mercury science”: Principles and limitations of source tracing and process tracing with stable isotope signatures
Alain Manceau, Romain Brossier, Sarah E. Janssen, Brett Poulin
2022, Environmental Science and Technology (56) 2065-2068
No abstract available. ...
Factors affecting spatiotemporal variation in survival of endangered winter-run Chinook Salmon outmigrating from the Sacramento River
Jason L. Hassrick, Arnold J. Ammann, Russell Perry, Sara N. John, Miles E. Daniels
2022, North American Journal of Fisheries Management (42) 375-395
Among four extant and declining Chinook salmon (Oncorhynchus tshawytscha) runs in California’s Central Valley, none have declined as precipitously as Sacramento River winter-run Chinook Salmon. In addition to habitat loss, migratory winter-run employ a life history strategy to reside and feed in stopover habitats on their way...
Major reorganization of the Snake River modulated by passage of the Yellowstone Hotspot
Lydia M. Staisch, Jim E. O'Connor, Charles M. Cannon, Christopher S. Holm-Denoma, Paul K. Link, John Lasher, Jeremy A. Alexander
2022, GSA Bulletin (134) 1834-1844
The details and mechanisms for Neogene river reorganization in the U.S. Pacific Northwest and northern Rocky Mountains have been debated for over a century with key implications for how tectonic and volcanic systems modulate topographic development. To evaluate paleo-drainage networks, we produced an expansive data...
How many Ciscoes are needed for stocking in the Laurentian Great Lakes?
Benjamin J. Rook, Michael J. Hansen, Charles R. Bronte
2022, Journal of Fish and Wildlife Management (13) 28-49
Historically, Cisco Coregonus artedi and deepwater ciscoes Coregonus spp. were the most abundant and ecologically important fish species in the Laurentian Great Lakes, but anthropogenic influences caused nearly all populations to collapse by the 1970s. Fishery managers have begun exploring the feasibility of restoring populations throughout the basin, but questions...
Transforming Palmyra Atoll to native-tree dominance will increase net carbon storage and reduce dissolved organic carbon reef runoff
Kate Longley-Wood, Mary Engels, Kevin D. Lafferty, John P. McLaughlin, Alex Wegmann
2022, PLoS ONE (17)
Native forests on tropical islands have been displaced by non-native species, leading to calls for their transformation. Simultaneously, there is increasing recognition that tropical forests can help sequester carbon that would otherwise enter the atmosphere. However, it is unclear if native forests sequester more or less...
Dermal denticle shedding rates vary between two captive shark species
Erin M. Dillon, Anshika Bagla, Kiera D. Plioplys, Douglas J. McCauley, Kevin D. Lafferty, Aaron O’Dea
2022, Marine Ecology Progress Series (682) 153-167
Shark dermal scale (denticle) accumulation in the fossil record can provide information about the abundance and composition of past shark communities. Denticles are shed continuously, such that a single shark leaves a scattered composite of many isolated denticles in sediments. However, the rate of denticle shedding as well as...
