Zobrazeno 31 - 40
of 70
pro vyhledávání: '"Richard B. Harris"'
Autor:
Donald J. Bedunah, D.H. Pletscher, Sukhiin Amgalanbaatar, Richard B. Harris, B. Mandakh, G.J. Wingard, Richard P. Reading
Publikováno v:
Journal of Arid Environments. 75:138-145
The argali (Ovis ammon ) is a species of great conservation concern throughout its range in central Asia, and is particularly sensitive to human disturbance and habitat degradation. Recent increases in livestock numbers have potentially reduced the c
Autor:
Raquel Godinho, Vǎnia Costa, Richard B. Harris, Albano Beja-Pereira, Stephen J. Amish, John Winnie, Gordon Luikart
Publikováno v:
Journal of Wildlife Management. 74:668-677
Estimating population size in a mark–recapture framework using DNA obtained from remotely collected genetic samples (e.g., feces) has become common in recent years but rarely has been used for ungulates. Using DNA extracted from fecal pellets, we e
Autor:
Richard B. Harris
Publikováno v:
Journal of Arid Environments. 74:1-12
Rangelands of the Qinghai-Tibetan plateau (QTP), although sparsely populated and contributing little to China's overall economy, play an important environmental role throughout Asia. They contain high biodiversity values and can also potentially prov
Autor:
Abigail Powel, Anthony B. Rylands, Alan Shoemaker, James Burton, Sarah A. Wyatt, Monica Rulli, Diego G. Tirira, Liza M. Veiga, Geoffrey Hammerson, Thomas M. Brooks, Ana S. L. Rodrigues, Elizabeth A. Williamson, Mariano Gimenez-Dixon, Syed Ainul Hussain, Beth Polidoro, Clare E. Hawkins, J. W. Duckworth, Jan Schipper, Louise H. Emmons, Cody J. Schank, Tatjana C. Good, Gabriela Lichtenstein, Gianluca Catullo, Simon Hedges, Kristin Nowell, Jon Bielby, Susana González, Rob Timmins, Stephen B. Reilly, Richard K. B. Jenkins, Bibhab Kumar Talukdar, Daniel Absolon, Neil A. Cox, Patricia D. Moehlman, Katerina Tsytsulina, Lawrence R. Heaney, Charlotte H. Johnston, Kristofer M. Helgen, Jonathan E. M. Baillie, Mark Keith, John F. Lamoreux, Jim Ragle, Caroline M. Pollock, Zoe Macavoy, Ben Collen, Janice Chanson, Simona Savini, Thomas E. Lacher, Thomas Jefferson, William F. Perrin, Ricardo Baldi, Patricia Ann Black, Craig Hilton-Taylor, Rebecca L. Lewison, Jonathan Kingdon, Jim Conroy, William R.L. Oliver, John Hare, Thomas M. Butynski, Rodrigo A. Medellín, Paul A. Racey, Monica Masi, Sabrina Foster, Wanda Olech, Holly T. Dublin, Meghan W. McKnight, Marcelo F. Tognelli, D. C. D. Happold, Luigi Boitani, Randall R. Reeves, Mandy Haywood, Richard J. Berridge, Caryn Self-Sullivan, Patricia Medici, Pavithra Ramani, Kit M. Kovacs, Noura Bakkour, David E. Smith, Yan Xie, Nobuo Ishii, Georgina M. Mace, Russell A. Mittermeier, Federica Chiozza, Zoe Cokeliss, Barbara L. Taylor, Chelmala Srinivasulu, Roselle Chapman, Ruth Grace Rosell-Ambal, C. Cormack Gates, Michael R. Hoffmann, Galen B. Rathbun, Sanjay Molur, Monik Oprea, Yelizaveta Protas, Kristin Leus, Andrew T. Smith, Carlo Rondinini, Vineet Katariya, John E. Reynolds, Giovanni Amori, David Mallon, Helen J. Temple, Nico van Strien, Meredith Happold, Claudio Sillero-Zubiri, David L. Garshelis, G. Mills, Andrew E. Derocher, Wes Sechrest, Justin Cooke, Bruce E. Young, Richard B. Harris, P. J. Stephenson, Lloyd F. Lowry, Arturo Mora, Marco Festa-Bianchet, Bruce D. Patterson, Jean-Christophe Vié, David Knox, Penny F. Langhammer, Julian Blanc, Simon N. Stuart, Naamal De Silva, Richard H. Emslie, Gustavo A. B. da Fonseca, Matthew N. Foster, Philip S. Hammond, John M. Aguiar, José F. González-Maya, John F. Oates
Publikováno v:
Science. 322:225-230
Knowledge of mammalian diversity is still surprisingly disparate, both regionally and taxonomically. Here, we present a comprehensive assessment of the conservation status and distribution of the world's mammals. Data, compiled by 1700+ experts, cove
Publikováno v:
Ursus. 18:168-178
Grizzly bears (Ursus arctos) in the Greater Yellowstone Ecosystem of the US Rocky Mountains have recently increased in numbers, but remain vulnerable due to isolation from other populations and predicted reductions in favored food resources. Harris e
Publikováno v:
PLoS ONE, Vol 10, Iss 7, p e0132897 (2015)
PLoS ONE
PLoS ONE
Rangeland degradation has been identified as a serious concern in alpine regions of western China on the Qinghai-Tibetan plateau (QTP). Numerous government-sponsored programs have been initiated, including many that feature long-term grazing prohibit
Autor:
Christopher Servheen, Gary C. White, Mark A. Haroldson, Richard B. Harris, Kim A. Keating, Charles C. Schwartz, Steve Cherry, Dave Moody
Publikováno v:
Wildlife Monographs. 161:1-68
ABSTRACT During the past 2 decades, the grizzly bear (Ursus arctos) population in the Greater Yellowstone Ecosystem (GYE) has increased in numbers and expanded in range. Understanding temporal, environmental, and spatial variables responsible for thi
Autor:
Donald J. Bedunah, Richard B. Harris
Publikováno v:
Nomadic Peoples. 9:107-129
We provide observations regarding changes in pastoral use within two Kazak areas in the People's Republic of China to illustrate how very different pastoral use can be in similar areas within the same cultural group. The first area is Jianshe Townshi
Autor:
Chris O. Loggers, Richard B. Harris
Publikováno v:
Wildlife Biology. 10:91-99
During September 2002, we conducted surveys focussing on the Tibetan plateau ungulate species in Yeniugou, Qinghai province, China, to compare abundance estimates with those from 1997 and the early 1990s. Wild yaks Bos grunniens, for which the area i
Autor:
Richard B. Harris
Publikováno v:
Western Journal of Applied Forestry. 15:140-146
Retaining snags after timber harvest is now a common silvicultural practice. However, little is known about silvicultural practices necessary to ensure timber-rotation length equilibrium of snag densities (existing snags all fall eventually). Large d