Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Whitney C. Johnson"'
Autor:
Loren C. Sackett, Ryan T. Jones, Andrew P. Martin, Whitney C. Johnson, Todd B. Cross, Chris Ray, Kimberly M. Ballare, Sharon K. Collinge
Publikováno v:
Conservation Genetics. 13:407-418
Connectivity of populations influences the degree to which species maintain genetic diversity and persist despite local extinctions. Natural landscape features are known to influence connectivity, but global anthropogenic landscape change underscores
Autor:
David B. Conlin, Whitney C. Johnson, Chris Ray, Bala Thiagarajan, Brian E. Holmes, Sharon K. Collinge, Jack F. Cully, Ron E. VanNimwegen
Publikováno v:
Ecography. 33:667-677
Species with extensive geographic ranges may interact with different species assemblages at distant locations, with the result that the nature of the interactions may vary spatially. Black-tailed prairie dogs Cynomys ludovicianus occur from Canada to
Autor:
Chris Ray, Kenneth L. Gage, Sharon K. Collinge, Michael Kosoy, Jack F. Cully, John Grensten, Andrew P. Martin, Randy Matchett, Whitney C. Johnson, Jenella E. Loye
Publikováno v:
Landscape Ecology. 20:941-955
Landscape structure influences the abundance and distribution of many species, including pathogens that cause infectious diseases. Black-tailed prairie dogs in the western USA have declined precipitously over the past 100 years, most recently due to
Autor:
Whitney C. Johnson, Chris Ray, Randy Matchett, Kenneth L. Gage, Andrew P. Martin, Michael Kosoy, Sharon K. Collinge, John Grensten, Jack F. Cully, Jenella E. Loye
Publikováno v:
EcoHealth. 2:102-112
Climate may affect the dynamics of infectious diseases by shifting pathogen, vector, or host species abundance, population dynamics, or community interactions. Black-tailed prairie dogs (Cynomysludovicianus) are highly susceptible to plague, yet litt
Autor:
Whitney C. Johnson, Sharon K. Collinge
Publikováno v:
Biological Conservation. 115:487-497
Black-tailed prairie dogs (Cynomys ludovicianus) increasingly compete for available habitat with human development in the Colorado Front Range. Because the effects of increased urbanization on prairie dog colonies are unknown, we studied how landscap
Autor:
Whitney C. Johnson
Publikováno v:
The Southwestern Naturalist. 46:126
selection. In: Campbell, B., editor. Sexual selection and the descent of man, 1871-1971. Aldine Publishing Company, Chicago, Illinois. Pp. 136179. WILLIAMS, G. C. 1966. Natural selection, the cost of reproduction, and a refinement of Lack's principle