Christopher A. Lepczyk

ORCID: 0000-0002-5316-3159
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About
Contact & Profiles
Research Areas
  • Wildlife Ecology and Conservation
  • Land Use and Ecosystem Services
  • Species Distribution and Climate Change
  • Human-Animal Interaction Studies
  • Avian ecology and behavior
  • Urban Green Space and Health
  • Animal Ecology and Behavior Studies
  • Ecology and Vegetation Dynamics Studies
  • Plant and animal studies
  • Animal and Plant Science Education
  • Rabies epidemiology and control
  • Wildlife-Road Interactions and Conservation
  • Toxoplasma gondii Research Studies
  • Zoonotic diseases and public health
  • Animal Behavior and Reproduction
  • Geographies of human-animal interactions
  • Coral and Marine Ecosystems Studies
  • Rangeland and Wildlife Management
  • Marine animal studies overview
  • Coastal and Marine Management
  • Pacific and Southeast Asian Studies
  • Urban Transport and Accessibility
  • Urban Agriculture and Sustainability
  • Forest Management and Policy
  • Rangeland Management and Livestock Ecology

Auburn University
2016-2025

University of Hawaiʻi at Mānoa
2012-2023

Ecological Society of America
2016-2020

Public Citizen
2020

John Wiley & Sons (United States)
2016-2020

Tall Timbers Research Station and Land Conservancy
2017

University of Hawaii System
2011-2017

Northern Research Station
2017

Rutgers, The State University of New Jersey
2017

East–West Center
2017

Urbanization contributes to the loss of world's biodiversity and homogenization its biota. However, comparative studies urban leading robust generalities status drivers in cities at global scale are lacking. Here, we compiled largest dataset date two diverse taxa cities: birds (54 cities) plants (110 cities). We found that majority bird plant species native cities. Few cosmopolitan, most common being Columba livia Poa annua. The density (the number per km(2)) has declined substantially: only...

10.1098/rspb.2013.3330 article EN Proceedings of the Royal Society B Biological Sciences 2014-02-12

As urban areas expand, understanding how ecological processes function in cities has become increasingly important for conserving biodiversity. Urban green spaces are critical habitats to support biodiversity, but we still have a limited of their ecology and they conserve biodiversity at local landscape scales across multiple taxa. Given this view, discuss five key questions that need be addressed advance the conservation restoration. Specifically, research understand space size,...

10.1093/biosci/bix079 article EN BioScience 2017-06-23

To investigate effects of green-leaf nutrient status on senesced-leaf concentrations and resorption efficiency, we developed a database nitrogen (N) phosphorus (P) in green senesced leaves from 92 published studies. We fit power functions (i.e., [nutrient]sen = A [nutrient]grB) separately for N P. The encompassed 297 perennial species different life-forms. Across these divergent conditions, major control concentration was status; were positively associated with (r2 values 51% to 84%)....

10.1890/04-1830 article EN Ecology 2005-10-01

The majority of humanity now lives in cities or towns, with this proportion expected to continue increasing for the foreseeable future. As novel ecosystems, urban areas offer an ideal opportunity examine multi-scalar processes involved community assembly as well role human activities modulating environmental drivers biodiversity. Although ecologists have made great strides recent decades at documenting ecological relationships areas, much remains unknown, and we still need identify major...

10.1002/ecy.1535 article EN publisher-specific-oa Ecology 2016-07-26

Cities can host significant biological diversity. Yet, urbanisation leads to the loss of habitats, species, and functional groups. Understanding how multiple taxa respond globally is essential promote conserve biodiversity in cities. Using a dataset encompassing six terrestrial faunal (amphibians, bats, bees, birds, carabid beetles reptiles) across 379 cities on 6 continents, we show that produces taxon-specific changes trait composition, with traits related reproductive strategy showing...

10.1038/s41467-023-39746-1 article EN cc-by Nature Communications 2023-08-07

Abstract: Patterns of association between humans and biodiversity typically show positive, negative, or negative quadratic relationships can be described by 3 hypotheses: biologically rich areas that support high human population densities co‐occur with (productivity); decreases monotonically increasing activities (ecosystem stress); peaks at intermediate levels influence (intermediate disturbance). To test these hypotheses, we compared anthropogenic land cover housing units, as indices...

10.1111/j.1523-1739.2008.00881.x article EN Conservation Biology 2008-02-20

International differences in practices and attitudes regarding pet cats' interactions with wildlife were assessed by surveying citizens from at least two cities Australia, New Zealand, the UK, USA, China Japan. Predictions tested were: (i) cat owners would agree less than non-cat that cats might threaten wildlife, (ii) value owners, (iii) are accepting of legislation/restrictions non-owners, (iv) respondents regions high endemic biodiversity (Australia, USA state Hawaii) be most concerned...

10.1371/journal.pone.0151962 article EN cc-by PLoS ONE 2016-04-06

Abstract Aim Urbanization broadly affects the phylogenetic and functional diversity of natural communities through a variety processes including habitat loss introduction non‐native species. Due to challenge acquiring direct measurements, these effects have been studied primarily using “space‐for‐time” substitution where spatial urbanization gradients are used infer consequences occurring across time. The ability alternative sampling designs replicate findings derived space‐for‐time has not...

10.1111/ddi.12738 article EN publisher-specific-oa Diversity and Distributions 2018-03-15

Outdoor cats represent a global threat to terrestrial vertebrate conservation, but management has been rife with conflict due differences in views of the problem and appropriate responses it. To evaluate these we conducted survey opinions about outdoor their two contrasting stakeholder groups, cat colony caretakers (CCCs) bird conservation professionals (BCPs) across United States. Group were polarized, for both normative statements (CCCs supported treating feral as protected wildlife using...

10.1371/journal.pone.0044616 article EN cc-by PLoS ONE 2012-09-06

Abstract Rapid urbanization and the global loss of biodiversity necessitate development a research agenda that addresses knowledge gaps in urban ecology will inform policy, management, conservation. To advance this goal, we present six topics to pursue research: socioeconomic social–ecological drivers versus gain biodiversity; response technological change; biodiversity–ecosystem service relationships; areas as refugia for spatiotemporal dynamics species, community changes, underlying...

10.1093/biosci/biaa141 article EN BioScience 2020-10-20

Seascape ecology, the marine-centric counterpart to landscape is rapidly emerging as an interdisciplinary and spatially explicit ecological science with relevance marine management, biodiversity conservation, restoration. While important progress in this field has been made past decade, there no coherent prioritisation of key research questions help set future agenda for seascape ecology. We used a 2-stage modified Delphi method solicit applied from academic experts ecology then asked...

10.3354/meps13661 article EN cc-by Marine Ecology Progress Series 2021-03-02
Michael V. Cove Roland Kays Helen Bontrager Claire Bresnan Monica Lasky and 95 more Taylor Frerichs Renee Klann Thomas E. Lee Seth C. Crockett Anthony P. Crupi Katherine Weiss Helen I. Rowe Tiffany Sprague Jan Schipper Chelsey Tellez Christopher A. Lepczyk Jean Fantle‐Lepczyk Scott LaPoint Jacque Williamson M. Caitlin Fisher‐Reid Sean M. King Alexandra J. Bebko Petros Chrysafis Alex J. Jensen David S. Jachowski Joshua Sands Kelly Anne MacCombie Daniel J. Herrera Marius van der Merwe Travis W. Knowles Robert V. Horan Michael S. Rentz LaRoy S. E. Brandt Christopher Nagy Brandon T. Barton Weston C. Thompson Sean P. Maher Andrea K. Darracq George R. Hess Arielle W. Parsons B. W. Wells Gary W. Roemer Cristian J. Hernandez Matthew E. Gompper Stephen L. Webb John P. Vanek Diana J. R. Lafferty Amelia M. Bergquist Tru Hubbard Tavis D. Forrester Darren A. Clark Connor Cincotta Jorie Favreau Aaron N. Facka Michelle Halbur Steven Hammerich Morgan Gray Christine C. Rega‐Brodsky Caleb Durbin Elizabeth A. Flaherty Jarred M. Brooke Stephanie S. Coster Richard G. Lathrop Katarina Russell Daniel A. Bogan Rachel M. Cliché Hila Shamon Melissa T. R. Hawkins Sharyn B. Marks Robert C. Lonsinger M. Teague O’Mara Justin A. Compton Melinda A. Fowler Erika L. Barthelmess Katherine E. Andy Jerrold L. Belant Dean E. Beyer Todd M. Kautz Daniel G. Scognamillo Christopher M. Schalk Matthew S. Leslie Sophie L. Nasrallah Caroline N. Ellison Chip Ruthven Sarah R. Fritts Jaquelyn Tleimat Mandy Gay Christopher A. Whittier Sean A. Neiswenter R. Pelletier Brett A. DeGregorio Erin K. Kuprewicz Miranda L. Davis Adrienne Dykstra David S. Mason Carolina Baruzzi Marcus A. Lashley Derek R. Risch Melissa R. Price Maximilian L. Allen

Abstract With the accelerating pace of global change, it is imperative that we obtain rapid inventories status and distribution wildlife for ecological inferences conservation planning. To address this challenge, launched SNAPSHOT USA project, a collaborative survey terrestrial populations using camera traps across United States. For our first annual survey, compiled data all 50 states during 14‐week period (17 August–24 November 2019). We sampled at 1,509 trap sites from 110 arrays covering...

10.1002/ecy.3353 article EN publisher-specific-oa Ecology 2021-04-01

Free-ranging cats (Felis catus) are globally distributed invasive carnivores that markedly impact biodiversity. Here, to evaluate the potential threat of cats, we develop a comprehensive global assessment species consumed by cats. We identify 2,084 eaten which 347 (16.65%) conservation concern. Islands contain threefold more concern than continents do. Birds, reptiles, and mammals constitute ~90% consumed, with insects amphibians being less frequent. Approximately 9% known birds, 6% mammals,...

10.1038/s41467-023-42766-6 article EN cc-by Nature Communications 2023-12-12

In the United States, housing density has substantially increased in and adjacent to forests. Our goal this study was identify how human populations are associated with avian diversity. We compared these associations those between landscape pattern diversity, we examined vary across conterminous forested States. Using data from North American Breeding Bird Survey, U.S. Census, National Land Cover Database, focused on forest woodland bird communities conducted our analysis at multiple levels...

10.1890/06-1489.1 article EN Ecological Applications 2007-10-01
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