Identifying alternate pathways for climate change to impact inland recreational fishers
Len M. Hunt, Eli P. Fenichel, David C. Fulton, Robert Mendelsohn, Jordan W. Smith, Tyler D. Tunney, Abigail J. Lynch, Craig P. Paukert, James E. Whitney
2016, Fisheries (41) 362-372
Fisheries and human dimensions literature suggests that climate change influences inland recreational fishers in North America through three major pathways. The most widely recognized pathway suggests that climate change impacts habitat and fish populations (e.g., water temperature impacting fish survival) and cascades to impact fishers. Climate change also impacts recreational...
Not all carp are created equal: Impacts of broadband sound on common carp swimming behavior
Kelsie Murchy, Brooke J. Vetter, Marybeth K. Brey, Jon Amberg, Mark P. Gaikowski, Allen F. Mensinger
2016, Proceedings of Meetings on Acoustics (27) 1-9
Bighead carp (Hypophthalmichthys nobilis), silver carp (H. molitrix) (hereafter: bigheaded carps), and common carp (Cyprinus carpio) are invasive fish causing negative impacts throughout their North American range. To control their movements, non-physical barriers are being developed. Broadband sound (0.06 to 10 kHz) has shown potential as an acoustic deterrent for...
Satellite-derived temperature data for monitoring water status in a floodplain forest of the Upper Sabine River, Texas
Mary Grace T. Lemon, Scott T. Allen, Brandon L. Edwards, Sammy L. King, Richard F. Keim
2016, Southeastern Naturalist (15) 90-102
Decreased water availability due to hydrologic modifications, groundwater withdrawal, and climate change threaten bottomland hardwood (BLH) forest communities. We used satellite-derived (MODIS) land-surface temperature (LST) data to investigate spatial heterogeneity of canopy temperature (an indicator of plant-water status) in a floodplain forest of the upper Sabine River for 2008–2014. High...
Controls on the geochemical evolution of Prairie Pothole Region lakes and wetlands over decadal time scales
Martin B. Goldhaber, Christopher T. Mills, David M. Mushet, R. Blaine McCleskey, Jennifer Rover
2016, Wetlands (36) 255-272
One hundred sixty-seven Prairie Pothole lakes, ponds and wetlands (largely lakes) previously analyzed chemically during the late 1960’s and early to mid-1970’s were resampled and reanalyzed in 2011–2012. The two sampling periods differed climatically. The earlier sampling took place during normal to slightly dry conditions, whereas the latter occurred during...
Tree regeneration by seed in bottomland hardwood forests: A review
Whitney A. Kroschel, Sammy L. King, Richard F. Keim
2016, Southeastern Naturalist (15) 42-60
Bottomland hardwood forests (BLH) are found in temperate, humid regions of the southeastern US, primarily on alluvial floodplains adjacent to rivers. Altered hydrology in rivers and floodplains has caused changes in stand development and species composition of BLHs. We hypothesize that the driving mechanisms behind these changes are related to...
Effects of stream-adjacent logging in fishless headwaters on downstream coastal cutthroat trout
Douglas S. Bateman, Matthew R. Sloat, Robert E. Gresswell, Aaron M. Berger, David Hockman-Wert, David W. Leer, Arne E. Skaugset
2016, Canadian Journal of Fisheries and Aquatic Sciences (73) 1898-1913
To investigate effects of headwater logging on downstream coastal cutthroat trout (Oncorhynchus clarkii clarkii) populations, we monitored stream habitat and biotic indicators including biomass, abundance, growth, movement, and survival over 8 years using a paired-watershed approach. Reference and logged catchments were located on private industrial forestland on ∼60-year harvest rotation....
Re-Occupancy of Breeding Territories by Ferruginous Hawks in Wyoming: Relationships to Environmental and Anthropogenic Factors
Zachary P. Wallace, Patricia L. Kennedy, John R. Squires, Robert J. Oakleaf, Lucretia E. Olson, Katie M. Dugger
2016, PLoS ONE (11)
Grassland and shrubland birds are declining globally due in part to anthropogenic habitat modification. Because population performance of these species is also influenced by non-anthropogenic factors, it is important to incorporate all relevant ecological drivers into demographic models. We used design-based sampling and occupancy models to test relationships of environmental...
Statistically extracted fundamental watershed variables for estimating the loads of total nitrogen in small streams
Scott C. Kronholm, Paul D. Capel, Silvia Terziotti
2016, Environmental Modeling & Assessment (21) 681-690
Accurate estimation of total nitrogen loads is essential for evaluating conditions in the aquatic environment. Extrapolation of estimates beyond measured streams will greatly expand our understanding of total nitrogen loading to streams. Recursive partitioning and random forest regression were used to assess 85 geospatial, environmental, and watershed variables across 636...
Development of a Kemp’s ridley sea turtle stock assessment model
Benny J. Gallaway, William Gazey, Charles W. Caillouet Jr., Pamela T. Plotkin, F. Alberto Abreu Grobois, Anthony F. Amos, Patrick M. Burchfield, Raymond R. Carthy, Marco A. Castro Martinez, John G. Cole, Andrew T. Coleman, Melissa Cook, Steven F. DiMarco, Sheryan P. Epperly, Masami Fujiwara, Daniel Gomez Gamez, Gary L. Graham, Wade L. Griffin, Francisco Illescas Martinez, Margaret M. Lamont, Rebecca L. Lewison, Kenneth J. Lohmann, James M. Nance, Jonathan Pitchford, Nathan Freeman Putman, Scott W. Raborn, Jeffrey K. Rester, Jack J. Rudloe, Laura Sarti Martinez, Mark Schexnayder, Jeffrey R. Schmid, Donna J. Shaver, Christopher Slay, Anton D. Tucker, Mandy Tumlin, Thane Wibbels, Blanca M. Zapata Najera
2016, Gulf of Mexico Science (33) 138-157
We developed a Kemp’s ridley (Lepidochelys kempii) stock assessment model to evaluate the relative contributions of conservation efforts and other factors toward this critically endangered species’ recovery. The Kemp’s ridley demographic model developed by the Turtle Expert Working Group (TEWG) in 1998 and 2000 and updated for the binational recovery...
Origins of a national seismic system in the United States
John R. Filson, Walter J. Arabasz
2016, Seismological Research Letters (88) 131-143
This historical review traces the origins of the current national seismic system in the United States, a cooperative effort that unifies national, regional, and local‐scale seismic monitoring within the structure of the Advanced National Seismic System (ANSS). The review covers (1) the history and technological evolution of U.S. seismic networks leading...
Accurate recapture identification for genetic mark–recapture studies with error-tolerant likelihood-based match calling and sample clustering
Suresh Sethi, Daniel Linden, John Wenburg, Cara Lewis, Patrick R. Lemons, Angela K. Fuller, Matthew P. Hare
2016, Royal Society Open Science (3) 1-14
Error-tolerant likelihood-based match calling presents a promising technique to accurately identify recapture events in genetic mark–recapture studies by combining probabilities of latent genotypes and probabilities of observed genotypes, which may contain genotyping errors. Combined with clustering algorithms to group samples into sets of recaptures based upon pairwise match calls, these...
Response of fish assemblages to declining acidic deposition in Adirondack Mountain lakes, 1984–2012
Barry P. Baldigo, Karen Roy, Charles T. Driscoll
2016, Atmospheric Environment (146) 223-235
Adverse effects of acidic deposition on the chemistry and fish communities were evident in Adirondack Mountain lakes during the 1980s and 1990s. Fish assemblages and water chemistry in 43 Adirondack Long-Term Monitoring (ALTM) lakes were sampled by the Adirondack Lakes Survey Corporation and the New York State Department of Environmental...
Enabling science support for better decision-making when responding to chemical spills
Jennifer L. Weidhass, Andrea M. Dietrich, Nathan J. DeYonker, R. Ryan Dupont, William T. Foreman, Daniel Gallagher, Jennifer E. G. Gallagher, Andrew J. Whelton, William Alexander
2016, Journal of Environmental Quality (45) 1490-1500
Chemical spills and accidents contaminate the environment and disrupt societies and economies around the globe. In the United States there were approximately 172,000 chemical spills that affected US waterbodies from 2004 to 2014. More than 8000 of these spills involved non–petroleum-related chemicals. Traditional emergency responses or incident command structures (ICSs)...
Avoiding decline: Fostering resilience and sustainability in midsize cities
Craig R. Allen, Hannah E. Birge, Shannon Bartelt-Hunt, Rebecca A. Bevans, Jessica L. Burnett, Barbara Cosens, Ximing Cai, Ahjond S. Garmestani, Igor Linkov, Elizabeth A. Scott, Mark D. Solomon, Daniel R. Uden
2016, Sustainability (8)
Eighty-five percent of United States citizens live in urban areas. However, research surrounding the resilience and sustainability of complex urban systems focuses largely on coastal megacities (>1 million people). Midsize cities differ from their larger counterparts due to tight urban-rural feedbacks with their immediate natural environments that result from heavy...
High nitrate concentrations in some Midwest United States streams in 2013 after the 2012 drought
Peter C. Van Metre, Jeffrey W. Frey, MaryLynn Musgrove, Naomi Nakagaki, Sharon L. Qi, Barbara Mahler, Michael E. Wieczorek, Daniel T. Button
2016, Journal of Environmental Quality (45) 1696-1704
Nitrogen sources in the Mississippi River basin have been linked to degradation of stream ecology and to Gulf of Mexico hypoxia. In 2013, the USGS and the USEPA characterized water quality stressors and ecological conditions in 100 wadeable streams across the midwestern United States. Wet conditions in 2013 followed a...
Growth, food consumption, and energy status of juvenile pallid sturgeon fed natural or artificial diets
Hilary A. Meyer, Steven R. Chipps, Brian D. S. Graeb, Robert A. Klumb
2016, Journal of Fish and Wildlife Management (7) 388-396
Stocking of hatchery-raised fish is an important part of the pallid sturgeon Scaphirhynchus albus recovery program. In the wild, juvenile pallid sturgeon consume primarily aquatic insects, although little is known about specific dietary needs. In hatchery settings, pallid sturgeon are fed commercial diets that are formulated for salmonids. To compare...
Deglacial temperature history of West Antarctica
Kurt M. Cuffey, Gary D. Clow, Eric J. Steig, Christo Buizert, T.J. Fudge, Michelle Koutnik, Edwin D. Waddington, Richard B. Alley, Jeffrey P. Severinghaus
2016, Proceedings of the National Academy of Sciences (113) 14249-14254
The most recent glacial to interglacial transition constitutes a remarkable natural experiment for learning how Earth’s climate responds to various forcings, including a rise in atmospheric CO2. This transition has left a direct thermal remnant in the polar ice sheets, where the exceptional purity and continual accumulation of ice permit...
Adaptive management for soil ecosystem services
Hannah E. Birge, Rebecca A. Bevans, Craig R. Allen, David G. Angeler, Sara G. Baer, Diana H. Wall
2016, Journal of Environmental Management (183) 371-378
Ecosystem services provided by soil include regulation of the atmosphere and climate, primary (including agricultural) production, waste processing, decomposition, nutrient conservation, water purification, erosion control, medical resources, pest control, and disease mitigation. The simultaneous production of these multiple services arises from complex interactions among diverse aboveground and belowground communities across...
Temporal and spatial trends in nutrient and sediment loading to Lake Tahoe, California-Nevada, USA
Robert Coats, Jack Lewis, Nancy L. Alvarez, Patricia Arneson
2016, Journal of the American Water Resources Association (52) 1347-1365
Since 1980, the Lake Tahoe Interagency Monitoring Program (LTIMP) has provided stream-discharge and water quality data—nitrogen (N), phosphorus (P), and suspended sediment—at more than 20 stations in Lake Tahoe Basin streams. To characterize the temporal and spatial patterns in nutrient and sediment loading to the lake, and improve the usefulness...
Haemosporidian parasite infections in grouse and ptarmigan: Prevalence and genetic diversity of blood parasites in resident Alaskan birds
Matthew M. Smith, Caroline R. Van Hemert, Richard Merizon
2016, International Journal for Parasitology: Parasites and Wildlife (5) 229-239
Projections related to future climate warming indicate the potential for an increase in the distribution and prevalence of blood parasites in northern regions. However, baseline data are lacking for resident avian host species in Alaska. Grouse and ptarmigan occupy a diverse range of habitat types throughout the northern hemisphere and...
Climate change and the Delta
Michael D. Dettinger, Jamie Anderson, Michael L. Anderson, Larry R. Brown, Daniel Cayan, Edwin P. Maurer
2016, San Francisco Estuary and Watershed Science (14) 1-26
Anthropogenic climate change amounts to a rapidly approaching, “new” stressor in the Sacramento–San Joaquin Delta system. In response to California’s extreme natural hydroclimatic variability, complex water-management systems have been developed, even as the Delta’s natural ecosystems have been largely devastated. Climate change is projected to challenge these management and ecological...
Assessment of undiscovered continuous oil and gas resources in the Dnieper-Donets Basin and North Carpathian Basin Provinces, Ukraine, Romania, Moldova, and Poland, 2015
Timothy R. Klett, Christopher J. Schenk, Michael E. Brownfield, Ronald R. Charpentier, Tracey J. Mercier, Heidi M. Leathers-Miller, Marilyn E. Tennyson
2016, Fact Sheet 2016-3082
Using a geology-based methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 13 million barrels of oil and 2,643 billion cubic feet of natural gas in the Dnieper-Donets Basin and North Carpathian Basin Provinces of Ukraine, Romania, Moldova, and Poland....
Mountain goat abundance and population trends in the Olympic Mountains, northwestern Washington, 2016
Kurt J. Jenkins, Patricia J. Happe, Katherine F. Beirne, William T. Baccus
2016, Open-File Report 2016-1185
Executive SummaryWe estimated abundance and trends of non-native mountain goats (Oreamnos americanus) in the Olympic Mountains of northwestern Washington, based on aerial surveys conducted during July 13–24, 2016. The surveys produced the seventh population estimate since the first formal aerial surveys were conducted in 1983. This was the second population...
Vive la résistance: genome-wide selection against introduced alleles in invasive hybrid zones
Ryan P. Kovach, Brian K. Hand, Paul A. Hohenlohe, Ted F. Cosart, Matthew C. Boyer, Helen H. Neville, Clint C. Muhlfeld, Stephen J. Amish, Kellie Carim, Shawn R. Narum, Winsor H. Lowe, Fred W. Allendorf, Gordon Luikart
2016, Proceedings of the Royal Society B: Biological Sciences (283)
Evolutionary and ecological consequences of hybridization between native and invasive species are notoriously complicated because patterns of selection acting on non-native alleles can vary throughout the genome and across environments. Rapid advances in genomics now make it feasible to assess locus-specific and genome-wide patterns of natural selection acting on invasive...
Was everything bigger in Texas? Characterization and trends of a land-based recreational shark fishery
Matthew J. Ajemian, Philip D. Jose, John T. Froeschke, Mark L. Wildhaber, Gregory W. Stunz
2016, Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science (8) 553-566
Although current assessments of shark population trends involve both fishery-independent and fishery-dependent data, the latter are generally limited to commercial landings that may neglect nearshore coastal habitats. Texas has supported the longest organized land-based recreational shark fishery in the United States, yet no studies have used this “non-traditional” data source...
