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Browse publications authored by our scientists.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more. **Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.

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Blooming wildflowers in Pinnacles National Park.

The circular highlights how our research efforts fulfill larger USGS strategic goals.

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Tricolored Heron at Ding Darling National Park

This book is dedicated to those who are or have been associated with the unit program. 

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Yellow-billed Loon on a lake in the northern area of Alaska.

This report provides abstracts of most of the ongoing and recently completed research.

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Filter Total Items: 4348

Managing wildlife at landscape scales

Managing wildlife populations on a landscape is not a new concept to the field of wildlife management. However, a variety of barriers exist to effectively manage wildlife species at landscape scales. For example, competing management objectives for the same population can occur in parts of two adjoining states and 3-4 agencies within a single state may be charged with managing the habitat on which
Authors
John W. Connelly, Courtney J. Conway
By
Cooperative Research Units

White-nose syndrome-related changes to Mid-Atlantic bat communities across an urban-to-rural gradient

BackgroundWhite-nose Syndrome (WNS) has reduced the abundance of many bat species within the United States’ Mid-Atlantic region. To determine changes within the National Park Service National Capital Region (NCR) bat communities, we surveyed the area with mist netting and active acoustic sampling (2016–2018) and compared findings to pre-WNS (2003–2004) data.ResultsThe results indicated the continu
Authors
Sabrina M. Deeley, Joshua B. Johnson, W. Mark Ford, J. Edward Gates
By
Cooperative Research Units

Responses of vertebrate wildlife to oil and natural gas development: Patterns and frontiers

Purpose of ReviewAnthropogenic activities can lead to the loss, fragmentation, and alteration of wildlife habitats. I reviewed the recent literature (2014–2019) focused on the responses of avian, mammalian, and herpetofaunal species to oil and natural gas development, a widespread and still-expanding land use worldwide. My primary goals were to identify any generalities in species’ responses to de
Authors
Anna D. Chalfoun
By
Cooperative Research Units

Book Review: “From catastrophe to recovery: Stories of fisheries management successes” Krueger, C. C., Taylor, W. M., and Youn, S. J., editors

No abstract available.
Authors
Joseph D. Zydlewski
By
Cooperative Research Units

Mapping out a future for ungulate migrations

Migration of ungulates (hooved mammals) is a fundamental ecological process that promotes abundant herds, whose effects cascade up and down terrestrial food webs. Migratory ungulates provide the prey base that maintains large carnivore and scavenger populations and underpins terrestrial biodiversity (fig. S1). When ungulates move in large aggregations, their hooves, feces, and urine create conditi
Authors
Matthew Kauffman, Francesca Cagnacci, Simon Chamaillé-Jammes, Mark Hebblewhite, J. Grant C. Hopcraft, Jerod A. Merkle, Thomas Mueller, Atle Mysterud, Wibke Peters, Christiane Roettger, Alethea Steingisser, James Meacham, Kasahun Abera, Jan Adamczewski, Ellen O. Aikens, Hattie Bartlam-Brooks, Emily Bennitt, Joel Berger, Charlotte Boyd, Steeve D. Côté, Lucie Debeffe, Andrea S. Dekrout, Nandintsetseg Dejid, Emiliano Donadio, Luthando Dziba, William F. Fagan, Claude Fischer, S. Focardi, J. M. Fryxell, Richard W. S. Fynn, Chris Geremia, Benito A. Gonzalez, Anne Gunn, E. Gurarie, Marco Heurich, Jodi A. Hilty, Mark Hurley, Aran Johnson, Kyle Joly, Petra Kaczensky, Corinne J. Kendall, Pavel Kochkarev, Leonid Kolpaschikov, Rafał Kowalczyk, Frank van Langeveld, V. Li Binbin, Alex L. Lobora, Anne Loison, Tinaapi H. Madiri, David P. Mallon, Pascal Marchland, Rodrigo A. Medellin, Erling Meisingset, Evelyn Merrill, Arthur D. Middleton, Kevin Monteith, Malik Morjan, Thomas A. Morrison, Steffen Mumme, Robin Naidoo, A.J. Novaro, Joseph O. Ogutu, Kirk A. Olson, Alfred Oteng-Yeboah, Ovejero Ramiro J.A., Norman Owen-Smith, Antti Paasivaara, Craig Packer, Danilla Panchenko, Luca Pedrotti, Andrew J. Plumptre, Christer Moe Rolandsen, Sonia Said, Albert Salemgareyev, Piotr Savchenko, Hall Sawyer, Moses Selebatso, Matthew Skroch, Erling J. Solberg, Jared A. Stabach, Olav Strand, Michael J. Suitor, Yasuyuki Tachiki, Anne Trainor, Arnold Tshipa, M.Z. Virani, Carly Vynne, Stephanie Ward, George Wittemyer, Wenjing Xu, Steffen Zuther
By
Cooperative Research Units

Survival and contaminants in imperiled and common riverine fishes assessed with an in situ bioassay approach

An in situ bioassay approach was used to determine whether aquatic contaminant stressors in a large Atlantic river ecosystem affect the survival of 3 fish species: the largemouth bass (Micropterus salmoides, juveniles), the fathead minnow (Pimephales promelas, adults), and the robust redhorse (Moxostoma robustum, juveniles). Hatchery-propagated fish were placed into cages to assess site-specific s
Authors
C. A. Grieshaber, W. G. Cope, Thomas J. Kwak, T. N. Penland, R. J. Heise, J. M. Law
By
Cooperative Research Units

Environmental factors predicting the orientation of sea turtle hatchlings on a naturally lighted beach: A baseline for light-management goals

On sea turtle nesting beaches, artificial lighting associated with human development interferes with hatchling orientation from nest to sea. Although hatchling disorientation has been documented for many beaches, data that managers can use in understanding, predicting, and managing the issue are of limited detail. The present study provides baseline hatchling orientation data that can be compared
Authors
S. Hirama, B. Witherington, K. Kneifl, A. Sylvai, M. Wideroff, Raymond Carthy
By
Cooperative Research Units

Water quality associations and spatiotemporal distribution of the harmful alga Prymnesium parvum in an impounded urban stream system

The Jim Bertram Lake System consists of several stream impoundments within the City of Lubbock, Texas (USA). Baseflow in the upstream reach is dominated by nitrogen-rich-treated wastewater. While toxic blooms of Prymnesium parvum have occurred in this system for ∼2 decades during fall or winter-spring, little is known about water quality variables that facilitate blooms or the alga’s spatiotempora
Authors
J. B. Clayton, Reynaldo Patiño, R. H. Rashel, S. Tábora-Sarmiento
By
Cooperative Research Units

Wetland conservation: Challenges related to water law and farm policy

Water is essential for wetland function and sustaining migratory networks for wetland wildlife across broad landscapes. Groundwater declines and surface flow reductions that impact aquatic and wetland organisms are common in the western U.S. and increasingly in the eastern U.S. Agriculture is the largest consumptive water user in the U.S. and understanding economic incentives of water-use practice
Authors
Sammy L. King, M. Laubbhan, P. Tashjian, J. Vradenburg, L. Fredrickson
By
Cooperative Research Units

Effects of prescribed fire timing on vigor of the invasive forb sericea lespedeza (Lespedeza cuneata), total forage biomass accumulation, plant-community composition, and native fauna on tallgrass prairie in the Kansas Flint Hills

The predominant grazing-management practice of the Kansas Flint Hills involves annual prescribed burning in March or April with postfire grazing by yearling beef cattle at a high stocking density from April to August. There has been a dramatic increase in sericea lespedeza (Lespedeza cuneata [Dumont] G. Don) coincident with this temporally focused use of prescribed fire in the Flint Hills region.
Authors
Jonathan Alexander, Walter H. Fick, Sarah Ogden, David A. Haukos, Jack Lemmon, Garth A. Gatson, K. C. Olson
By
Cooperative Research Units

The precarious position of wildlife conservation funding in the United States

The Pittman-Robertson Act was established in 1937 to fund state-based wildlife conservation through an existing excise tax on sporting arms and ammunition. Because these items were purchased mostly by hunters at the time, they were the user group primarily funding wildlife conservation. Subsequent amendments to Pittman-Robertson expanded the taxable items to include pistols, revolvers, and archery
Authors
Mark D. Duda, Tom Beppler, Douglas S. Austen, John F. Organ
By
Cooperative Research Units

Movement, survival, and delays of Atlantic Salmon smolts in the Piscataquis River, Maine, USA

Movement, delays, and survival of hatchery Atlantic Salmon Salmo salar smolts were evaluated through the Piscataquis River, a tributary of the Penobscot River in Maine, USA. We explored the effects of the river’s four dams (Guilford, Dover, Browns Mill, and Howland dams) from 2005 to 2019. During this period, the downstream-most dam (Howland Dam) transitioned from full hydropower generation to sea
Authors
Alejandro Molina-Moctezuma, Erin Peterson, Joseph D. Zydlewski
By
Cooperative Research Units
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