Application of a catch multiple survey analysis for Atlantic horseshoe crab Limulus polyphemus in the Delaware Bay
Kristen A. Anstead, John A. Sweka, Linda Barry, Eric M. Hallerman, David R. Smith, Natalie Ameral, Michael Schmidtke, Richard A. Wong
2023, Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science (15)
ObjectiveThis paper applies a catch multiple survey analysis (CMSA) to Atlantic horseshoe crabs Limulus polyphemus in the Delaware Bay to generate robust population estimates for harvest management. Currently, horseshoe crabs along the U.S. Atlantic coast are harvested as bait for other fisheries and collected for their blood, which is...
Application of the technology readiness levels framework to natural resource management tools
Aaron R. Cupp, Andrea K. Fritts, Marybeth K. Brey, Christa M. Woodley, David Smith, Mark Cornish, Amy McGovern, Rob Simmonds, Neal Jackson
2023, Fisheries (48) 474-479
Technology advancements in fisheries science can provide useful tools to support natural resource management and conservation. However, new technologies may also present challenges for decision makers due to the lack of a standardized process to assess technologies for consideration within management plans. Future technology development in fishery and water resources...
Assessment of recovery potential for the American horseshoe crab (Limulus polyphemus): An application of the IUCN green status process
David R. Smith, H. Jane Brockmann, Ruth H. Carmichael, Eric M. Hallerman, W.M. Watson, Jaime Zaldivar-Rae
2023, Aquatic Conservation: Marine and Freshwater Ecosystems (33) 1175-1199
According to an International Union for Conservation of Nature (IUCN) Red List assessment (RLA), the American horseshoe crab (Limulus polyphemus), an iconic coastal species, is at risk of extirpation in some regions within its range where small and vulnerable populations occur. However, the RLA does not consider future status...
Movement and behavioral states of common carp (Cyprinus carpio) in response to a behavioral deterrent in a navigational lock
Maggie Jo Raboin, John Plumb, Matthew Sholtis, David Smith, P. Ryan Jackson, Jose Rivera, C.D. Suski, Aaron R. Cupp
2023, Movement Ecology (11)
Freshwater ecosystems are some of the most affected by biological invasions due, in part, to the introduction of invasive carp worldwide. Where carp have become established, management programs often seek to limit further range expansion into new areas by reducing their movement through interconnected rivers and waterways. Lock and dams...
Postfire hydrologic response along the central California (USA) coast: Insights for the emergency assessment of postfire debris-flow hazards
Matthew A. Thomas, Jason W. Kean, Scott W. McCoy, Donald N. Lindsay, Jaime Kostelnik, David B. Cavagnaro, Francis K. Rengers, Amy E. East, Jonathan Schwartz, Douglas P. Smith, Brian D. Collins
2023, Landslides (20) 2421-2436
The steep, tectonically active terrain along the Central California (USA) coast is well known to produce deadly and destructive debris flows. However, the extent to which fire affects debris-flow susceptibility in this region is an open question. We documented the occurrence of postfire debris floods and flows following the landfall...
A detailed view of the 2020-2023 southwestern Puerto Rico seismic sequence with deep learning
Clara Yoon, Elizabeth S. Cochran, Elizabeth A. Vanacore, Victor Huerfano, Gisela Báez-Sánchez, John D. Wilding, Jonathan D. Smith
2023, Bulletin of the Seismological Society of America (113) 2377-2415
The 2020–2023 southwestern Puerto Rico seismic sequence, still ongoing in 2023, is remarkable for its multiple‐fault rupture complexity and elevated aftershock productivity. We applied an automatic workflow to continuous data from 43 seismic stations in Puerto Rico to build an enhanced earthquake catalog with ∼180,000 events for the 3+ yr...
The unmarked R package: Twelve years of advances in occurrence and abundance modelling in ecology
Kenneth F. Kellner, Adam D. Smith, J. Andrew Royle, Marc Kéry, Jerrold L. Belant, Richard B. Chandler
2023, Methods in Ecology & Evolution (14) 1408-1415
Species distribution models (SDMs) are widely applied to understand the processes governing spatial and temporal variation in species abundance and distribution but often do not account for measurement errors such as false negatives and false positives.We describe unmarked, a package for the freely available and open-source R software that provides...
Behavioral responses of terrestrial mammals to COVID-19 lockdowns
Marlee A. Tucker, Aafke M. Schipper, Tempe S. F. Adams, Nina Attias, Tal Avgar, Natarsha Lauren Babic, Kristin J. Barker, Guillaume Bastille-Rousseau, Dominik M. Behr, Jerrold L. Belant, Dean E. Beyer Jr., Niels Blaum, J. David Blount, Dirk Bockmühl, Ricardo Luiz Pires Boulhosa, Michael B. Brown, Bayarbaatar Buuveibaatar, Francesca Cagnacci, Justin M. Calabrese, Rok Černe, Simon Chamaillé-Jammes, Aung Nyein Chan, Michael J. Chase, Yannick Chaval, Yvette Chenaux-Ibrahim, Seth Cherry, Duško Ćirović, Emrah Çoban, Eric K. Cole, Laura Conlee, Alyson Courtemanch, Gabriele Cozzi, Sarah C Davidson, Darren DeBloois, Nandintsetseg Dejid, Vickie DeNicola, Arnaud L.J. Desbiez, Iain Douglas-Hamilton, David Drake, Michael Egan, William F. Fagan, Morgan J. Farmer, Julian Fennessy, Shannon P. Finnegan, Christen H. Fleming, Bonnie Fournier, N.L. Fowler, Mariela G. Gantchoff, Alexandre Garnier, Benedikt Gehr, Chris Geremia, Jacob R. Goheen, Morgan L. Hauptfleisch, Mark Hebblewhite, Morten Heim, Anne G. Hertel, Marco Heurich, A.J. Mark Hewison, James Hodson, Nicholas Hoffman, J. Grant C. Hopcraft, Djuro Huber, Edmund J. Isaac, Karolina Janik, Miloš Ježek, Örjan Johansson, Neil R. Jordan, Petra Kaczensky, Douglas N. Kamaru, Matthew Kauffman, Todd M. Kautz, Roland Kays, Allicia P. Kelly, Jonas Kindberg, Miha Krofel, Josip Kusak, Clayton T. Lamb, Tayler LaSharr, Peter Leimgruber, Horst Leitner, Michael Lierz, John D.C. Linnell, Purevjav Lkhagvaja, Ryan A. Long, José Vicente López-Bao, Matthias-Claudio Loretto, Pascal Marchand, Hans Martin, Lindsay A. Martinez, Roy T. McBride Jr., Ashley A.D. McLaren, Erling Meisingset, Joerg Melzheimer, Evelyn Merrill, Arthur D. Middleton, Kevin Monteith, Seth A. Moore, Bram Van Moorter, Nicolas Morellet, Thomas Morrison, Rebekka Müller, Atle Mysterud, Michael T. Noonan, David O'Connor, Daniel Olson, Kirk A. Olson, Anna C. Ortega, Federico Ossi, Manuela Panzacchi, Robert Patchett, Brent R. Patterson, Rogerio Cunha de Paula, John Payne, Wibke Peters, Tyler R. Petroelje, Benjamin J. Pitcher, Boštjan Pokorny, Kim Poole, Hubert Potočnik, Marie-Pier Poulin, Robert M. Pringle, Herbert H.T. Prins, Nathan Ranc, Slaven Reljić, Benjamin S. Robb, Ralf Röder, Christer Moe Rolandsen, Christian Rutz, Albert Salemgareyev, G. Samelius, Heather Sayine-Crawford, S. Schooler, Cagan H. Sekercioglu, Nuria Selva, Paola Semenzato, Agnieszka Sergiel, Koustubh Sharma, Avery L. Shawler, Johannes Signer, Vaclav Silovsky, João Paulo Silva, Richard Simon, Rachel A. Smiley, Douglas W. Smith, Erling J. Solberg, Diego Ellis-Soto, Orr Spiegel, Jared A. Stabach, Jenna Stacy-Dawes, Daniel R. Stahler, John A. Stephenson, Cheyenne Stewart, Olav Strand, Peter Sunde, Nathan Svoboda, Johnathan Swart, Jeffrey J. Thompson, Katrina L. Toal, Kenneth Uiseb, Meredith C. VanAcker, Marianela Velilla, Tana L Verzuh, Bettina Wachter, Brittany L. Wagler, Jesse Whittington, Martin Wikelski, Christopher C. Wilmers, George Wittemyer, Julie K. Young, Filip Zieba, Tomasz Zwijacz-Kozica, Mark A.J. Huijbregts, Thomas Mueller
2023, Science (380) 1059-1064
COVID-19 lockdowns reduced human mobility, providing an opportunity to disentangle its effects on animals from those of landscape modifications. Using GPS data, we compared movements and road avoidance of 2300 terrestrial mammals (43 species) during the 2020 lockdowns to the same period in 2019. Individual responses were variable, with no...
A science and management partnership to restore coregonine diversity to the Laurentian Great Lakes
David Bunnell, Amanda Susanne Ackiss, Karen M Alofs, Cory Brant, Charles R. Bronte, Randall M. Claramunt, John M. Dettmers, Andrew Edgar Honsey, Nicholas E. Mandrak, Andrew M. Muir, Victor Santucci, David R. Smith, Russell M. Strach, John A. Sweka, Brian Weidel, William Mattes, Kurt R. Newman
2023, Environmental Reviews (31) 716-738
Similar to many freshwater ecosystems, the Laurentian Great Lakes of North America have undergone numerous anthropogenic stressors resulting in considerable loss of biodiversity and habitat. Among Great Lakes fishes, the coregonine sub-family has endured the most extensive declines, including extinction of several species (Coregonus johannae, C. alpenae,...
When are environmental DNA early detections of invasive species actionable?
Adam Sepulveda, Christine E. Dumoulin, Denise L. Blanchette, John Mcphedran, Colin Holme, Nathan Whalen, Margaret Hunter, Christopher M. Merkes, Catherine A. Richter, Matthew Neilson, Wesley M. Daniel, Devin Nicole Jones, David R. Smith
2023, Journal of Environmental Management (343)
Environmental DNA (eDNA) sampling provides sensitive early detection capabilities for recently introduced taxa. However, natural resource managers struggle with how to integrate eDNA results into an early detection rapid response program because positive eDNA detections are not always indicative of...
Creating conservation strategies with value-focused thinking
David M. Martin, Joshua Goldstein, David R. Smith, Jessica Musengezi, Jessie G. Rountree, Pabodha G. A. Galgamuwe, Aileen Craig, Michelle Dietz, Caitlin Kerr
2023, Conservation Biology (37)
Biodiversity and human well-being strategies are only as good as the set of ideas that people think about. This article evaluates value-focused thinking (VFT), a framework that focuses on creating objectives and strategy ideas that are responsive to the objectives. We performed a proof-of-concept study of VFT on six planning...
Environmental correlates of walleye spawning movements in an Appalachian hydropower reservoir
Dustin M. Smith, Stuart A. Welsh, Corbin David Hilling
2023, Journal of the Southeastern Association of Fish and Wildlife Agencies (10) 36-44
Understanding walleye (Sander vitreus) spawning behavior is important for managing walleye fisheries, but such information is limited for Appalachian reservoirs. We assessed spawning movements and spawning locations for a reestablished walleye population in Cheat Lake, West Virginia. We tagged fifty-two walleye with acoustic telemetry transmitters to evaluate environmental correlates associated with...
Six years of fluvial response to a large dam removal on the Carmel River, California, USA
Amy E. East, Lee R. Harrison, Douglas P. Smith, Joshua B. Logan, Rosealea Bond
2023, Earth Surface Processes and Landforms (48) 1487-1501
Measuring river response to dam removal affords a rare, important opportunity to study fluvial response to sediment pulses on a large field scale. We present a before–after/control–impact study of the Carmel River, California, measuring fluvial geomorphic and grain-size evolution over 8 years, six of which postdated removal of a 32 m-high...
Incorporating temperature into seepage loss estimates for a large unlined irrigation canal
Ramon C. Naranjo, David Smith, Evan J. Lindenbach
2023, Journal of Hydrology (617)
Quantifying seepage losses from unlined irrigation canals is necessary to improve water use and conservation. The use of heat as a tracer is widely used in quantifying seepage rates across the sediment–water interface. In this study, field observations and two-dimensional numerical models...
Automatic recorders monitor wolves at rendezvous sites: do wolves adjust howling to live near humans?
Vicente Palacios, Bárbara Martí-Domken, Shannon Barber-Meyer, Bilal Habib, José Vicente López-Bao, Douglas W. Smith, Daniel R. Stahler, Emilio José García, Víctor Sazatornil, L. David Mech
2023, Biodiversity and Conservation (23) 363-383
We used automatic sound recorders to study spontaneous vocalizations of wild wolves during the pup-rearing season around rendezvous sites from 24 wolf packs in six study areas across North America, Asia, and Europe. Between 2018 and 2021, for a total of 1225 pack-days, we recorded 605...
Expert perspectives on global biodiversity loss and its drivers and impacts on people
Forest Isbell, Patricia Balvanera, Akira S. Mori, Jin-Sheng He, James M. Bullock, Ganga Ram Regmi, Eric W. Seabloom, Simon Ferrier, Osvaldo E. Sala, Nathaly R. Guerrero-Ramírez, Julia Tavella, Daniel J. Larkin, Bernhard Schmid, Charlotte L. Outhwaite, Pairot Pramua, Elizabeth T. Borer, Michel Loreau, Taiwo Crossby Omotoriogun, David O. Obura, Maggie Anderson, Cristina Portales-Reyes, Kevin Kirkman, Pablo M Vergara, Adam Thomas Clark, Kimberly J Komatsu, Owen L. Petchey, Sarah R. Weiskopf, Laura J. Williams, Scott L. Collins, Nico Eisenhauer, Christopher H Trisos, Delphine Renard, Alexandra J. Wright, Poonam Tripathi, Jane Cowles, Jarrett E. K. Byrnes, Peter B. Reich, Andy Purvis, Zati Sharip, Mary I. O'Connor, Clare E. Kazanski, Nick M. Haddad, Eulogio H. Soto, Laura E. Dee, Sandra Díaz, Chad R. Zirbel, Meghan L. Avolio, Shaopeng Wang, Zhiyuan Ma, Jingjing Liang, Hanan C. Farah, Justin Andrew Johnson, Brian W. Miller, Yann Hautier, Melinda D. Smith, Johannes M. H. Knops, Bonnie Myers, Zuzana Harmáčková, Jorge Cortés, Mike Harfoot, Andrew Gonzalez, Tim Newbold, Jacqueline Oehri, Marina Mazón, Cynnamon Dobbs, Meredith S. Palmer
2023, Frontiers in Ecology and the Environment (21) 94-103
Despite substantial progress in understanding global biodiversity loss, major taxonomic and geographic knowledge gaps remain. Decision makers often rely on expert judgement to fill knowledge gaps, but are rarely able to engage with sufficiently large and diverse groups of specialists. To improve understanding of the perspectives of thousands of biodiversity...
North American Bat Monitoring Program (NABat) mobile acoustic transect surveys standard operating procedure 1—Locating and establishing mobile transect routes
Jaclyn Martin, Dane Smith, Han Li, MacKenzie Hall, Emily Ferrall, Jason Rae, Bethany Straw, Brian Reichert
2022, Techniques and Methods 2-C1
This document is the first of three standard operating procedures (SOPs) providing instructions and considerations for conducting mobile acoustic surveys along road transects to collect bat acoustic data following the North American Bat Monitoring Program (NABat) protocol and sample design. This SOP focuses specifically on selecting NABat grid cells and...
Horseshoe crab
David R. Smith
2022, Book chapter, Technical report for the Delaware estuary and basin, PDE Report No. 22-05
No abstract available....
Variation in carbon and nitrogen concentrations among peatland categories at the global scale
Shaun A. Watmough, Spencer Gilbert-Parkes, Nathan Basiliko, Louis J. Lamit, Erik A. Lilleskov, Roxanne Andersen, Jhon del Aguila-Pasquel, Rebekka E. Artz, Brian W. Benscoter, Werner Borken, Luca Bragazza, Stefani M. Brandt, Suzanna L. Bräuer, Michael A. Carson, Xin Chen, Rodney A. Chimner, Bev R. Clarkson, Alexander R. Cobb, Andrea S. Enriquez, Jenny Farmer, Samantha P. Grover, Charles F. Harvey, Lorna I. Harris, Christina Hazard, Alison M. Hoyt, John Hribljan, Jyrki Jauhiainen, Sari Juutinen, Evan S. Kane, Klaus-Holger Knorr, Randy Kolka, Mari Könönen, Anna M. Laine, Tuula Larmola, Patrick A. Levasseur, Carmody K. McCalley, Jim McLaughlin, Tim R. Moore, Nadia Mykytczuk, Anna E. Normand, Virginia Rich, Bryce Robinson, Danielle L. Rupp, Jasmine Rutherford, Christopher W. Schadt, Dave S. Smith, Graeme Spiers, Leho Tedersoo, Pham Q. Thu, Carl C. Trettin, Eeva-Stiina Tuittila, Merritt Turetsky, Zuzana Urbanová, Ruth K. Varner, Mark Waldrop, Meng Wang, Zheng Wang, Matt Warren, Magdalena M. Wiedermann, Shanay T. Williams, Joseph B. Yavitt, Zhi-Guo Yu, Geoff Zahn
2022, PLoS ONE (17)
Peatlands account for 15 to 30% of the world’s soil carbon (C) stock and are important controls over global nitrogen (N) cycles. However, C and N concentrations are known to vary among peatlands contributing to the uncertainty of global C inventories, but there are few global studies that relate peatland...
Evaluation of fish behavior at the entrances to a Selective Water Withdrawal structure in Lake Billy Chinook, Oregon, 2021
Collin D. Smith, Tyson W. Hatton
2022, Open-File Report 2022-1098
Imaging sonar was used to assess the behavior, abundance, and timing of fish at the entrances to the Selective Water Withdrawal (SWW) intake structure located in the forebay of Round Butte Dam, Oregon during the spring of 2021. The purposes of the SWW are (1) to direct surface currents...
Evaluating noninvasive methods for estimating cestode prevalence in a wild carnivore population
E E Brandell, M.K. Jackson, Paul C. Cross, A.J. Piaggio, D. R. Taylor, Douglas W. Smith, B Boufana, Daniel R. Stahler, PJ Hudson
2022, PLoS ONE (17)
Helminth infections are cryptic and can be difficult to study in wildlife species. Helminth research in wildlife hosts has historically required invasive animal handling and necropsy, while results from noninvasive parasite research, like scat analysis, may not be possible at the helminth species or individual host...
Disease outbreaks select for mate choice and coat color in wolves
Sarah Cubaynes, E E Brandell, Daniel R. Stahler, Douglas W. Smith, Emily S. Almberg, Susanne Schindler, Robert K. Wayne, Andrew P. Dobson, Bridgett M. vonHoldt, Daniel R. MacNulty, Paul C. Cross, Peter J. Hudson, Tim Coulson
2022, Science (378) 300-303
We know much about pathogen evolution and the emergence of new disease strains, but less about host resistance and how it is signaled to other individuals and subsequently maintained. The cline in frequency of black-coated wolves (Canis lupus) across North America is hypothesized to result from a relationship with canine...
Multispecies approaches to status assessments in support of endangered species classifications
Daniel Bruce Fitzgerald, Mary Freeman, Kelly O. Maloney, John A. Young, Amanda E. Rosenberger, David C. Kazyak, David R. Smith
2022, Conservation Science and Practice (4)
Multispecies risk assessments have developed within many international conservation programs, reflecting a widespread need for efficiency. Under the United States Endangered Species Act (ESA), multispecies assessments ultimately lead to species-level listing decisions. Although this approach provides opportunities for improved efficiency, it also risks overwhelming or biasing the assessment process and...
Potential effects of energy development on environmental resources of the Williston Basin in Montana, North Dakota, and South Dakota—Water resources
Timothy T. Bartos, Steven K. Sando, Todd M. Preston, Gregory C. Delzer, Robert F. Lundgren, Rochelle A. Nustad, Rodney R. Caldwell, Zell E. Peterman, Bruce D. Smith, Kathleen M. Macek-Rowland, David A. Bender, Jill D. Frankforter, Joel M. Galloway
2022, Scientific Investigations Report 2017-5070-C
The Williston Basin has been a leading oil and gas producing area for more than 50 years. While oil production initially peaked within the Williston Basin in the mid-1980s, production rapidly increased in the mid-2000s, largely because of improved horizontal (directional) drilling and hydraulic fracturing methods. In 2012, energy development...
Light attenuation and erosion characteristics of fine sediments in a highly turbid, shallow, Great Basin Lake—Malheur Lake, Oregon, 2017–18
Tamara M. Wood, Cassandra D. Smith
2022, Scientific Investigations Report 2022-5056
Malheur Lake is a large, shallow, turbid lake in southeastern Oregon that fluctuates widely in surface area in response to yearly precipitation and climatic cycles. High suspended-sediment concentrations (SSCs) likely are negatively affecting the survival of aquatic plants by reducing the intensity of solar radiation reaching the plants, thus...
