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We developed an age-structured population matrix model to perform population viability analysis for Lower Missouri River (LMR) shovelnose sturgeon (Scaphirhynchus platorynchus). We investigated potential effects of the commercial fishing moratorium put in place to help protect the similar-appearing pallid sturgeon (S. albus). The model applies different components of total variance in life history parameters at different levels: sampling variance (parameter uncertainty) between model iterations; temporal variance (temporal environmental fluctuations) between time steps within iterations; and individual variance (individual differences) within each time-step. The model predicted annual rates of population increase...
map background search result map search result map Fish population model R code 06-82 Mineral Resources Investigation Lusk Creek RARE II Further Planning Area; Pope County, Illinois 20-89 Mineral Resources of a Part of the Trigo Mountains Wilderness Study Area (AZ-050-023B), La Paz County, Arizona 46-87 Mineral Resources of the Orejana Canyon Study Area, Harney County, Oregon 46-88 Mineral Resources of Ireteba Peaks Study Area, Clark County, Nevada 49-83 Mineral Investigation of the Devils Backbone Wilderness, Ozark County, Missouri 53-86 Mineral Investigation of a Part of the Continental Divide Wilderness Study Area (NM-020-044), Catron County, New Mexico 54-86 Mineral Investigation of a Part of the Table Top Mountains Wilderness Study Area (AZ-020-172), Pinal and Maricopa Counties, Arizona 56-86 Mineral Resources of the South Pahroc Range Wilderness Study Area, Lincoln County, Nevada 61-87 Mineral Investigation of additional parts of the Big Hatchet Mountains Wilderness Study Area (NM-030-035), Hidalgo County, New Mexico 66-83 Mineral Investigation of the Fossil Ridge Wilderness Study Area, Gunnison County, Colorado WMR 043 - Wisconsin Zinc-Lead District. Grant, Iowa & Lafayette Counties, Wisconsin. 1942. WMR 088 - Proposal for Production of Manganese from Artillery Peak Deposits Flotation and Sintering Plant. Mohave County, Arizona. 1943. WMR 089 - Proposal and Estimate, Production of Crude Iron in Reverberatory Smelting Furnace. Duluth, Minnesota. 1943. WMR 127 - Boston Consolidated Mine. Salt Lake County, Utah. 1943. WMR 386 - Cartwright Calcite Deposit. Sweet Grass County, Montana. 1945. WMR 392 - Initial Mining Claims, Stillwater Complex. Sweet Grass County, Montana. 1945. WMR 400 - Benbow Area, Stillwater Complex. Stillwater County, Montana. 1945. WMR 407 - American Eagle Mine. Mariposa County, California. 1945. WMR 356 - Basin Gulch Placer Mine. Jefferson County, Montana. 1945. 06-82 Mineral Resources Investigation Lusk Creek RARE II Further Planning Area; Pope County, Illinois 49-83 Mineral Investigation of the Devils Backbone Wilderness, Ozark County, Missouri WMR 127 - Boston Consolidated Mine. Salt Lake County, Utah. 1943. WMR 089 - Proposal and Estimate, Production of Crude Iron in Reverberatory Smelting Furnace. Duluth, Minnesota. 1943. WMR 407 - American Eagle Mine. Mariposa County, California. 1945. WMR 386 - Cartwright Calcite Deposit. Sweet Grass County, Montana. 1945. WMR 392 - Initial Mining Claims, Stillwater Complex. Sweet Grass County, Montana. 1945. WMR 043 - Wisconsin Zinc-Lead District. Grant, Iowa & Lafayette Counties, Wisconsin. 1942. WMR 400 - Benbow Area, Stillwater Complex. Stillwater County, Montana. 1945. 61-87 Mineral Investigation of additional parts of the Big Hatchet Mountains Wilderness Study Area (NM-030-035), Hidalgo County, New Mexico 66-83 Mineral Investigation of the Fossil Ridge Wilderness Study Area, Gunnison County, Colorado 54-86 Mineral Investigation of a Part of the Table Top Mountains Wilderness Study Area (AZ-020-172), Pinal and Maricopa Counties, Arizona 20-89 Mineral Resources of a Part of the Trigo Mountains Wilderness Study Area (AZ-050-023B), La Paz County, Arizona 53-86 Mineral Investigation of a Part of the Continental Divide Wilderness Study Area (NM-020-044), Catron County, New Mexico 46-88 Mineral Resources of Ireteba Peaks Study Area, Clark County, Nevada 46-87 Mineral Resources of the Orejana Canyon Study Area, Harney County, Oregon WMR 088 - Proposal for Production of Manganese from Artillery Peak Deposits Flotation and Sintering Plant. Mohave County, Arizona. 1943. 56-86 Mineral Resources of the South Pahroc Range Wilderness Study Area, Lincoln County, Nevada WMR 356 - Basin Gulch Placer Mine. Jefferson County, Montana. 1945.