Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Wade. Fredenberg"'
Autor:
Clint C. Muhlfeld, Zale Al, Joe DosSantos, Christopher S. Guy, Chris Downs, Robert Al-Chokhachy, Matt Boyer, Wade. Fredenberg, Lee M. Nelson, Mary Lennon, Brian Marotz, Pat Graham, Pat Clancey, Paul Hamlin
Publikováno v:
Fisheries. 46:629-629
Autor:
Ron Pierce, Leslie G. Nyce, Brad Liermann, Robert Al-Chokhachy, Pat Saffel, David A. Schmetterling, Chris Clancy, Wade Fredenberg, Ryan P. Kovach
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 73:1395-1404
Understanding how climate change may facilitate species turnover is an important step in identifying potential conservation strategies. We used data from 33 sites in western Montana to quantify climate associations with native bull trout (Salvelinus
Autor:
Clint C. Muhlfeld, Christopher C. Downs, Wade Fredenberg, Benjamin Thomas Galloway, Christopher S. Guy
Publikováno v:
North American Journal of Fisheries Management. 36:754-768
There is an urgent need to consider more aggressive and direct interventions for the conservation of freshwater fishes that are threatened by invasive species, habitat loss, and climate change. Conservation introduction (moving a species outside its
Autor:
Peter A. McHugh, Robert Al-Chokhachy, Shana Bernall, Sean Moran, Wade Fredenberg, Joseph M. DosSantos
Publikováno v:
Transactions of the American Fisheries Society. 144:515-531
Habitat fragmentation, which affects many native salmonid species, is one of the major factors contributing to the declines in distribution and abundance of Bull Trout Salvelinus confluentus. Increasingly, managers are considering options to maintain
Publikováno v:
Fisheries Management and Ecology. 20:390-400
Management agencies in several western states of the United States are implementing suppression programmes to control non-native lake trout, Salvelinus namaycush (Walbaum), for the conservation of native species. This study was implemented to ascerta
Autor:
Thomas E. McMahon, Wade Fredenberg, David W. Garfield, Benjamin S. Cox, Clinton J. Smith, Christopher S. Guy
Publikováno v:
Journal of Fish and Wildlife Management. 2:183-189
The establishment of nonnative lake trout Salvelinus namaycush in lakes containing lacustrine–adfluvial bull trout Salvelinus confluentus often results in a precipitous decline in bull trout abundance. The exact mechanism for the decline is unknown
Autor:
Patrick W. DeHaan, Christian T. Smith, Robb F. Leary, Lindsay Godfrey, Christine C. Kozfkay, Jeffrey Chan, Maureen P. Small, William R. Ardren, Eric B. Taylor, Denise K. Hawkins, Matthew D. Diggs, Wade Fredenberg, C. William Kilpatrick
Publikováno v:
Transactions of the American Fisheries Society. 140:506-525
The bull trout Salvelinus confluentus is a broadly distributed char in northwestern North America that has undergone significant population declines. This species is currently protected under the Endangered Species Act across its range in the cotermi
Publikováno v:
North American Journal of Fisheries Management. 31:187-196
We evaluated the distribution and population characteristics of nonnative lake trout Salvelinus namaycush in Lake McDonald, Glacier National Park, Montana, to provide biological data in support of a potential suppression program. Using ultrasonic tel
Publikováno v:
Ecology of Freshwater Fish. 20:315-325
– Bull trout, a species of char listed as threatened under the US Endangered Species Act, have been displaced from portions of their historic range following the introduction of nonnative lake trout. It has been suggested that competitive exclusion
Publikováno v:
Environmental Biology of Fishes. 90:367-378
Lacustrine-adfluvial bull trout, Salvelinus confluentus, migrate from spawning and rearing streams to lacustrine environments as early as age 0. Within lacustrine environments, cover habitat provides refuge from potential predators and is a resource