Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Brian Marotz"'
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
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 69:906-915
We used natural variation in the strontium concentration (Sr:Ca) and isotope composition (87Sr:86Sr) of stream waters and corresponding values recorded in otoliths of westslope cutthroat trout ( Oncorhynchus clarkii lewisi ) to examine movements duri
Publikováno v:
Fisheries Management and Ecology. 19:224-232
Non-native lake trout, Salvelinus namaycush (Walbaum), threaten native salmonid populations in the western United States. Effective management of lake trout requires understanding movements within connected lake and river systems. This study determin
Autor:
Brian Marotz, Clint C. Muhlfeld, D. Kotter, William J. Miller, Joel Tohtz, Leslie A. Jones, Doran Geise
Publikováno v:
River Research and Applications. 28:940-959
Hungry Horse Dam on the South Fork Flathead River, Montana, USA, has modified the natural flow regimen for power generation, flood risk management and flow augmentation for anadromous fish recovery in the Columbia River. Concern over the detrimental
Publikováno v:
North American Journal of Fisheries Management. 28:636-648
Introductions of nonnative northern pike Esox lucius have created recreational fisheries in many waters in the United States and Canada, yet many studies have shown that introduced northern pike may alter the composition and structure of fish communi
Seasonal Movement and Habitat Use by Subadult Bull Trout in the Upper Flathead River System, Montana
Autor:
Brian Marotz, Clint C. Muhlfeld
Publikováno v:
North American Journal of Fisheries Management. 25:797-810
Despite the importance of large-scale habitat connectivity to the threatened bull trout Salvelinus confluentus, little is known about the life history characteristics and processes influencing natural dispersal of migratory populations. We used radio
Publikováno v:
Transactions of the American Fisheries Society. 134:945-959
We used laser ablation inductively coupled plasma mass spectrometry (ICP-MS) to quantify the elemental composition of Mg: Ca, Mn: Ca, Sr: Ca, Ba: Ca, and Pb: Ca ratios in scales from juvenile westslope cutthroat trout Oncorhynchus clarkii lewisi coll
Publikováno v:
North American Journal of Fisheries Management. 23:163-171
We evaluated the diel habitat use and movement of subadult bull trout Salvelinus confluentus by use of radiotelemetry during winter in the upper Flathead River, Montana. Of the 13 monitored bull trout, 12 (92%) made at least one diel movement to othe
Publikováno v:
North American Journal of Fisheries Management. 21:170-177
We used radiotelemetry to quantify the movements and habitat use of resident adult Columbia River redband trout Oncorhynchus mykiss gairdneri (hereafter, redband trout) from October to December 1997 in South Fork Callahan Creek, a third-order tributa
Publikováno v:
North American Journal of Fisheries Management. 10:408-417
The life history of gulf menhaden Brevoortia patronus and their movements through three routes between the marsh and the Gulf of Mexico were studied to determine ways to facilitate passage of these fish through existing and proposed water-control str