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- Utah (2)
- Case (1)
- Description (1)
- Endangered (1)
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- Fish communities (1)
- Geology (1)
- Lake Mead (1)
- Lake Powell (1)
- Lakes Powell and Mead (1)
- Open file report 99-109 (1)
- Open file report 99-110 (1)
- Open file report 99-571 (1)
- Oquirrh mountains (1)
- Pelagic (1)
- Pelagic zooplankton (1)
- Razorback sucker (1)
- Reintroduction (1)
- Site acclimation (1)
- Xyrauchen texanus (1)
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Full-Text Articles in Physical Sciences and Mathematics
Geology Of The Oquirrh Mountains, Utah, United States Geological Survey
Geology Of The Oquirrh Mountains, Utah, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
The Oquirrh Mountains are located in north-central Utah, immediately south of the Great Salt Lake, in the easternmost part of the Basin and Range physiographic province. The range consists of northerly-trending aligned peaks 56 kilometers long flanked on the west by Tooele and Rush Valleys and on the east by Jordan and Cedar Valleys. The range hosts several of the more prominent base- and precious-metal and desseminated-gold mining areas in the western United States. The 130-year old Bingham porphyry copper mining district, which is of world-class magnitude in the central part of the range, is still active. The Mercur mining …
Description Of The Pelagic Zooplankton And Fish Communities Of Lakes Powell And Mead, United States Geological Survey
Description Of The Pelagic Zooplankton And Fish Communities Of Lakes Powell And Mead, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
Fishery biologists from Arizona, Nevada, and Utah have been faced with the imposing dilemma of monitoring the pelagic fishery of Lakes Powell and Mead. Standard sampling procedures typically used to monitor shoreline fisheries are simply inadequate for the deep volumes of pelagic habitat found in these two reservoirs. Nearly a decade ago, Arizona and Nevada biologists recommended that hydroacoustics be used to monitor these communities (Persons and Dreyer 1987a,b, NDOW 1994). However, for various reasons an acoustical monitoring program was never fully implemented. This study represents the first attempt to describe the pelagic fishery of either reservoir using acoustic technology.
A Case For Site Acclimation In The Reintroduction Of The Endangered Razorback Sucker (Xyrauchen Texanus), United States Geological Survey
A Case For Site Acclimation In The Reintroduction Of The Endangered Razorback Sucker (Xyrauchen Texanus), United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
Two site-acclimation studies (Mueller and Marsh 1998, Foster and Mueller 1999) were conducted in 1997 and 1998. The primary emphasis was habitat use and dispersal but we also examined if the rapid dispersal, typically associated with hatchery-produced razorback suckers (suckers), could be mitigated by allowing fish a period of time to recover from stocking-induced stress. Findings of those studies and existing physiological literature suggest that current stocking protocols may subject stocked fish to unnecessary behavioral or physiological stress that could impact performance and ultimately survival. This report presents those findings and recommends an evaluation of existing stocking procedures for the …