Zobrazeno 1 - 10
of 114
pro vyhledávání: '"James R Karr"'
Autor:
Robert M. Hughes, David M. Chambers, Dominick A. DellaSala, James R. Karr, Susan C. Lubetkin, Sarah O'Neal, Robert L. Vadas, Jr., Carol Ann Woody
Publikováno v:
Water Biology and Security, Vol 3, Iss 3, Pp 100269- (2024)
Twenty USA states or jurisdictions and 125 nations have modeled national environmental policies after the National Environmental Policy Act. That act mandates that federal agencies initiate environmental impact statements (EISs) when substantive envi
Externí odkaz:
https://doaj.org/article/6eeb8b848f7248fa8624e0dcbae49830
Autor:
Robert M. Hughes, James R. Karr, Robert L. Vadas, Dominick A. DellaSala, Marcos Callisto, Maria João Feio, Teresa Ferreira, Neels Kleynhans, Renata Ruaro, Chris O. Yoder, J. Hal Michael
Publikováno v:
Water Biology and Security, Vol 2, Iss 4, Pp 100191- (2023)
Increasingly, scientists and non-scientists, especially employees of government agencies, tend to use weak or equivocal language when making statements related to science policy and governmental regulation. We use recent publications to provide examp
Externí odkaz:
https://doaj.org/article/30f846e36ee64af085f9060e412be136
Publikováno v:
Conservation Science and Practice, Vol 4, Iss 2, Pp n/a-n/a (2022)
Abstract Ecological integrity has been criticized as a “bad fit as a value” for conservation biology and restoration ecology. But work over the past four decades centered on ecological integrity—especially biological integrity—has given rise
Externí odkaz:
https://doaj.org/article/275feb6315374bcaa22bd3922fbcb181
Autor:
Henry S. Pollock, Judith D. Toms, Corey E. Tarwater, Thomas J. Benson, James R. Karr, Jeffrey D. Brawn
Publikováno v:
Proceedings of the National Academy of Sciences. 119
Long-term studies on the population dynamics of tropical resident birds are few, and it remains poorly understood how their populations have fared in recent decades. Here, we analyzed a 44-y population study of a Neotropical understory bird assemblag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18f2d756952137324f19fc6a95e83ec9
https://doi.org/10.1073/pnas.2108731119
https://doi.org/10.1073/pnas.2108731119
Entering the Watershed is the product of a two-year project established by the Pacific Rivers Council to develop new federal riverine protection and restoration policy alternatives. It recommends a comprehensive new approach to river protection based
Publikováno v:
Conservation Science and Practice, Vol 4, Iss 2, Pp n/a-n/a (2022)
Ecological integrity has been criticized as a “bad fit as a value” for conservation biology and restoration ecology. But work over the past four decades centered on ecological integrity—especially biological integrity—has given rise to effect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a4866219aeb1709ccb38754af88acd1
https://doi.org/10.1111/csp2.583
https://doi.org/10.1111/csp2.583
Autor:
James R. Karr
Publikováno v:
CRC Handbook of Census Methods for Terrestrial Vertebrates
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de05ead09ef991311b84a7d79f5f33ea
https://doi.org/10.1201/9781003210320-152
https://doi.org/10.1201/9781003210320-152
Autor:
James R. Karr
The concepts of biological integrity and ecological health are not new. This chapter outlines the important lessons of the past decade relevant to measuring and protecting biological integrity or ecological health. Two weaknesses permeate most past a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9a1196631a2cf4e76cd5f99ce2bcddc
https://doi.org/10.1201/9781003070542-7
https://doi.org/10.1201/9781003070542-7
Autor:
Paul L. Angermeier, James R. Karr
The search for effective ecological indicators begins with the fundamental question ‘What are we trying to indicate?’ Ideal ecological indicators are measurable variables of an ecosystem that have descriptive power, enable one to analyze change o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::574ee9b2cbe6dbaa5e78f5c128e222c8
https://doi.org/10.1016/b978-0-12-409548-9.10926-1
https://doi.org/10.1016/b978-0-12-409548-9.10926-1
Autor:
James R. Karr
Publikováno v:
Fisheries. 45:50-50
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5e40d9275088401004f779b89f5160e
https://doi.org/10.1002/fsh.10343
https://doi.org/10.1002/fsh.10343