Publications
Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
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Hydration state and rheologic stratification of the lithospheric mantle beneath the North Anatolian Fault, Turkey Hydration state and rheologic stratification of the lithospheric mantle beneath the North Anatolian Fault, Turkey
We present constraints on the hydration state and rheology of the lithospheric mantle beneath the North Anatolian fault zone (NAFZ). Peridotite xenoliths from the Biyikali and Çorlu volcanic centers record deformational microstructures consistent with shearing in a lithosphere-scale transcurrent fault system. Analysis by Fourier transform infrared spectroscopy indicates that nominally...
Authors
Alexander Dmitri Lusk, Vasileios Chatzaras, Ercan Aldanmaz, Basil Tikoff
Perceived constraints to participating in wildlife-related recreation Perceived constraints to participating in wildlife-related recreation
Wildlife-related recreationists play an important role in conservation. Understanding constraints to wildlife-related activities is critical for maintaining or increasing participation in activities like birdwatching and hunting. A mail-out survey was administered to a generalized sample representative of U.S. residents (i.e., not specific to birdwatching or hunting) in early 2017 to...
Authors
Nicholas W. Cole, Emily J. Wilkins, Kaylin Clements, Rudy Schuster, Ashley A. Dayer, H. W. Harshaw, David C. Fulton, Jennifer N. Duberstein, Andrew H. Raedeke
Do seeding and seedling planting result in similar restored plant communities? Do seeding and seedling planting result in similar restored plant communities?
Aims Restoration practitioners often face a tradeoff between low cost but risky seeding vs expensive but more reliable seedling planting to meet revegetation goals. Knowing under what environmental and management conditions direct seeding vs seedling planting benefit different species could improve restoration practice.Methods We compared seed emergence to planted-seedling survival among...
Authors
Bradley J. Butterfield, Seth M. Munson
Panel review of Ground Motion Characterization Model in 2023 NSHM Panel review of Ground Motion Characterization Model in 2023 NSHM
The 2023 National Seismic Hazard Model (NSHM; Petersen et al., 2023) has two major components – a seismic source characterization (SSC) model and a ground motion characterization (GMC) model. The US Geological Survey (USGS) established separate panels to review and provide input on these two models. Both panels are advisory, meaning that they provide input on technical issues for...
Authors
Jonathan P. Stewart, Norman A. Abrahamson, Gail M. Atkinson, John G. Anderson, Kenneth W. Campbell, Chris H. Cramer, Michael Kolaj, Grace Alexandra Parker
Bobcat occupancy, tree islands, and invasive Burmese pythons in an Everglades conservation area Bobcat occupancy, tree islands, and invasive Burmese pythons in an Everglades conservation area
Bobcats (Lynx rufus) are terrestrial mammals that also inhabit tree islands (i.e., topographically elevated patches of forested land) embedded in the subtropical Everglades wetlands, which serve as a dry refuge habitat during the wet season in this region of Florida, USA. The Comprehensive Everglades Restoration Plan seeks to restore Everglades water flow to pre-drainage conditions, but...
Authors
Katherine M. Buckman, Laura D’Acunto, Stephanie Romanach, Rachel M. Taylor, Nathan J. Dorn
Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes
Mangroves and saltmarshes are biogeochemical hotspots storing carbon in sediments and in the ocean following lateral carbon export (outwelling). Coastal seawater pH is modified by both uptake of anthropogenic carbon dioxide and natural biogeochemical processes, e.g., wetland inputs. Here, we investigate how mangroves and saltmarshes influence coastal carbonate chemistry and quantify the
Authors
Gloria Reithmaier, Alex Cabral, Anirban Akhand, Matthew Bogard, Alberto V. Borges, Steven Bouillon, David J. Burdige, Mitchel Call, Nengwang Chen, Xiaogang Chen, Cotovicz, Meagan J. Eagle, Erik Kristensen, Kevin D. Kroeger, Zeyang Lu, Damien Maher, Lucas Perez-Llorens, Raghab Ray, Pierre Taillardat, Joseph Tamborski, Robert C. Upstill-Goddard, Faming Wang, Zhaohui Aleck Wang, Kai Xiao, Yvonne Yau, Isaac Santos
Bee species richness through time in an urbanizing landscape of the southeastern United State Bee species richness through time in an urbanizing landscape of the southeastern United State
Compared to non-urban environments, cities host ecological communities with altered taxonomic diversity and functional trait composition. However, we know little about how these urban changes take shape over time. Using historical bee (Apoidea: Anthophila) museum specimens supplemented with online repositories and researcher collections, we investigated whether bee species richness...
Authors
Selina A. Ruzi, Elsa Youngsteadt, April Hamblin Cherveny, Jessica Kettenbach, Hannah K. Levenson, Danesha Seth Carley, Jaime A. Collazo, Rebecca E. Irwin
Potential impacts of land-management schedules on grassland bird nests and fledglings Potential impacts of land-management schedules on grassland bird nests and fledglings
Trade-offs exist between timing of grassland habitat management activities (e.g., weed and brush control) while also ensuring other conservation objectives (e.g., grassland bird reproductive success) are met. On land set aside for grassland conservation (e.g., lands enrolled in the U.S. Department of Agriculture Conservation Reserve Program and some state and federal wildlife management...
Authors
Daniel M. Wolcott, James R. Herkert, Christine Ribic, Rosalind B. Renfrew, David W. Sample
Weather influences survival probability in two coexisting mammals directly and indirectly via competitive asymmetry Weather influences survival probability in two coexisting mammals directly and indirectly via competitive asymmetry
Ecologists have studied the role of interspecific competition in structuring ecological communities for decades. Differential weather effects on animal competitors may be a particularly important factor contributing to the outcome of competitive interactions, though few studies have tested this hypothesis in free-ranging animals. Specifically, weather might influence competitive dynamics...
Authors
Austin Z.T. Allison, Courtney J. Conway, Amanda R. Goldberg
Decline in small mammal species richness in coastal-central California, 1997–2013 Decline in small mammal species richness in coastal-central California, 1997–2013
The richness and composition of a small mammal community inhabiting semiarid California oak woodland may be changing in response to climate change, but we know little about the causes or consequence of these changes. We applied a capture-mark-recapture model to 17 years (1997–2013) of live trapping data to estimate species-specific abundances. The big-eared woodrat was the most...
Authors
Yadav P. Ghimirey, William D. Tietje, Anne Y. Polyakov, James E. Hines, Madan K. Oli
The Landscape Data Commons: A system for standardizing, accessing, and applying large environmental datasets for agroecosystem research and management The Landscape Data Commons: A system for standardizing, accessing, and applying large environmental datasets for agroecosystem research and management
Understanding where, when, and why agroecosystems are changing requires quality information about ecosystems that span land tenure, ecological processes, and spatial scales. Over the past two decades, land management agencies and research groups have adopted a suite of standardized methods for monitoring rangelands, which have been implemented at over 85,000 monitoring locations globally...
Authors
Sarah E. McCord, Nicholas P. Webb, Brandon T. Bestelmeyer, Kristopher Bonefont, Joseph R. Brehm, Joel R. Brown, Ericha M. Courtright, Christopher Dietrich, Michael C. Duniway, Brandon L. Edwards, Christopher Fraser, Jeffrey E. Herrick, Anna C. Knight, Loretta J Metz, Justin W. Van Zee, Craig E. Tweedie
FishPass sortable attribute database: Phenological, morphological, physiological, and behavioural characteristics related to passage and movement of Laurentian Great Lakes fishes FishPass sortable attribute database: Phenological, morphological, physiological, and behavioural characteristics related to passage and movement of Laurentian Great Lakes fishes
In-stream barriers pose threats to fishes, including habitat loss, constraints on migration, and reduced connectivity between populations. Despite many negative consequences, barriers can serve to protect native species by limiting the spread of invasive species. For example, in the Laurentian Great Lakes, physical barriers have long been used to control invasive sea lamprey (Petromyzon...
Authors
David M. Benoit, Daniel P. Zielinski, Reid G. Swanson, Robert L. McLaughlin, Theodore Castro-Santos, R. Andrew Goodwin, Thomas C. Pratt, Andrew M. Muir