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Using global remote camera data of a solitary species complex to evaluate the drivers of group formation Using global remote camera data of a solitary species complex to evaluate the drivers of group formation
The social system of animals involves a complex interplay between physiology, natural history, and the environment. Long relied upon discrete categorizations of “social” and “solitary” inhibit our capacity to understand species and their interactions with the world around them. Here, we use a globally distributed camera trapping dataset to test the drivers of aggregating into groups in a...
Authors
Joshua P. Twining, Chris Sutherland, Andrzej Zalewski, Michael V. Cove, Johnny Birks, Oliver R. Wearn, Jessica Haysom, Anna Wereszczuk, Emiliano Manzo, Paola Bartolommei, Alessio Mortelliti, Bryn Evans, Brian D. Gerber, Thomas J. McGreevy, Laken S. Ganoe, Juliana Masseloux, Amy E. Mayer, Izabela Wierzbowska, Jan Loch, Jocelyn Akins, Donovan Drummey, William McShea, Stephanie Manke, Lain Pardo, Andy Boyce, Sheng Li, Roslina Binti Ragai, Ronglarp Sukmasuang, Alvaro Jose Villafane Trujillo, Carlos Lopez-Gonzalez, Nalleli Elvira Lara-Diaz, Olivia Cosby, Cristian N. Waggershauser, Jack Bamber, Frances Stewart, Jason Fisher, Angela K. Fuller, Kelly Perkins, Roger A. Powell
Habitat amount and edge effects, not perch proximity, nest exposure, or vegetation diversity affect cowbird parasitism in agricultural landscapes Habitat amount and edge effects, not perch proximity, nest exposure, or vegetation diversity affect cowbird parasitism in agricultural landscapes
Context Prior research documented relationships between brown-headed cowbird (Molothrus ater) brood parasitism and edge effects, proximity of perches, and nest exposure. Those relationships have not been evaluated in agroecosystems containing extremes of fragmentation and vegetation diversity.Objectives We compared three existing hypotheses on how cowbirds locate host nests with two new...
Authors
Matthew D. Stephenson, Kyla L. Yuza, Lisa A. Schulte, Robert W. Klaver
Growth, survival, and cohort formation of juvenile Lost River (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2021–22 monitoring report Growth, survival, and cohort formation of juvenile Lost River (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2021–22 monitoring report
Executive Summary The work reported in this publication provides updated data and interpretation for sampling years 2015 and 2022 of the juvenile monitoring project. The study objectives, background, study area, species description, and methods remained the same or similar throughout the years, while the executive summary, results, and discussion were updated each year. Therefore much of...
Authors
Barbara A. Martin, John M. Caldwell, Jacob R. Krause, Alta C. Harris
Climate-induced tree-mortality pulses are obscured by broad-scale and long-term greening Climate-induced tree-mortality pulses are obscured by broad-scale and long-term greening
Vegetation greening has been suggested to be a dominant trend over recent decades, but severe pulses of tree mortality in forests after droughts and heatwaves have also been extensively reported. These observations raise the question of to what extent the observed severe pulses of tree mortality induced by climate could affect overall vegetation greenness across spatial grains and...
Authors
Yuchao Yan, Shilong Piao, William M. Hammond, Anping Chen, Songbai Hong, Xu Hao, Seth M. Munson, Ranga B. Myneni, Craig D. Allen
Too simple, too complex, or just right? Advantages, challenges, and guidance for indicators of genetic diversity Too simple, too complex, or just right? Advantages, challenges, and guidance for indicators of genetic diversity
Measuring genetic diversity of wild species using DNA-based data remains resource intensive and time consuming for nearly all species. However, genetic assessments are needed for global conservation commitments, including the Convention on Biological Diversity, and for governments and managers to evaluate conservation progress, as well as prioritizing species and populations to preserve...
Authors
Sean M. Hoban, Jessica M. da Silva, Alice C. Hughes, Margaret Hunter, Belma Kalamujic Stroil, Linda Laikre, Alicia Mastretta-Yanes, Katie L Millette, Ivan Paz-Vinas, Lucia Ruiz Bustos, Robyn E. Shaw, Cristiano Vernesi, the Coalition for Conservation Genetics
The decision maker’s lament: If I only had some science! The decision maker’s lament: If I only had some science!
Environmental decision makers lament instances in which the lack of actionable science limits confident decision-making. Their reaction when the needed scientific information is of poor quality, uninformative, unintelligible, or altogether absent is often to criticize scientists, their work, or science in general. The considerations offered here encourage decision makers to explore...
Authors
Gustavo A. Bisbal
Demographic patterns of walleye (Sander vitreus) reproductive success in a Wisconsin population Demographic patterns of walleye (Sander vitreus) reproductive success in a Wisconsin population
Harvest in walleye Sander vitreus fisheries is size-selective and could influence phenotypic traits of spawners; however, contributions of individual spawners to recruitment are unknown. We used parentage analyses using single nucleotide polymorphisms to test whether parental traits were related to the probability of offspring survival in Escanaba Lake, Wisconsin. From 2017 to 2020, 1339...
Authors
Robert P. Davis, Levi M. Simmons, Stephanie L. Shaw, Greg G. Sass, Nicholas M. Sard, Daniel A. Isermann, Wesley A. Larson, Jared Joseph Homola
Characterization of the structural–stratigraphic and reservoir controls on the occurrence of gas hydrates in the Eileen Gas Hydrate Trend, Alaska North Slope Characterization of the structural–stratigraphic and reservoir controls on the occurrence of gas hydrates in the Eileen Gas Hydrate Trend, Alaska North Slope
One of the most studied permafrost-associated gas hydrate accumulations in Arctic Alaska is the Eileen Gas Hydrate Trend. This study provides a detailed re-examination of the Eileen Gas Hydrate Trend with a focus on the gas hydrate accumulation in the western part of the Prudhoe Bay Unit. This integrated analysis of downhole well log data and published geophysical data has provided new...
Authors
Margarita Zyrianova, Timothy Collett, Ray Boswell
Paleogene mid-crustal intrusions in the Ruby Mountains–East Humboldt Range metamorphic core complex, northeastern Nevada, USA Paleogene mid-crustal intrusions in the Ruby Mountains–East Humboldt Range metamorphic core complex, northeastern Nevada, USA
Middle Eocene to early Oligocene intrusions, widespread in the Ruby Mountains–East Humboldt Range metamorphic core complex, Nevada, USA, provide insights into a major Paleogene magmatic episode and its relation to tectonism in the northeastern Great Basin. These intrusions, well-exposed in upper Lamoille Canyon, range in composition from gabbro to leucomonzogranite. They form small...
Authors
A.W. Snoke, C.B. Barnes, Keith A. Howard, A. Romanoski, Wayne R. Premo, C. Hetherington, A. Strike, C. Frost, P. Copeland, S-Y Lee
Modern coral range expansion off southeast Florida falls short of Late Holocene baseline Modern coral range expansion off southeast Florida falls short of Late Holocene baseline
As thermal stress and disease outbreaks decimate coral reefs throughout the tropics, there is growing evidence that higher latitude marine environments may provide crucial refuges for many at-risk, temperature-sensitive coral species. However, our understanding of how coral populations expand into new areas and sustain themselves over time is constrained by the limited scope of modern...
Authors
Peter Alexander Bacon Modys, Lauren T. Toth, William F. Precht, Anton E. Oleinik, Richard A. Mortlock
Summary of data collected during field efficacy trials of florfenicol and oxytetracycline dihydrate in controlling mortality in walleye (Sander vitreus) because of motile Aeromonad infections Summary of data collected during field efficacy trials of florfenicol and oxytetracycline dihydrate in controlling mortality in walleye (Sander vitreus) because of motile Aeromonad infections
Motile Aeromonad septicemia is a substantial concern during fish propagation and can be catastrophic for fish hatcheries. We tested the efficacy of two different drugs (florfenicol and oxytetracycline) offered with feed as possible treatment options to control mortality because of motile Aeromonad infection. We offered top-coated medicated feeds to hatchery-reared Sander vitreus (walleye...
Authors
Christopher M. Merkes, Maren T. Tuttle-Lau, Susan M. Schleis, Aaron R. Cupp
Self-determination theory as an alternate conceptual foundation for motivation in natural resource research Self-determination theory as an alternate conceptual foundation for motivation in natural resource research
Motivation is a topic that receives substantial interest across the social sciences. However, in the human dimensions of natural resource literature, scholars have primarily treated motivation as a construct narrowly defined by the individual’s desired goal state. In contrast, self-determination theory (SDT) suggests that multiple forms of motivation can influence levels of self...
Authors
Kyle Smith, Adam Landon, David C. Fulton, Gerard Kyle