Download or read book Watershed Scale Habitat Use and Canal Entrainment by Bonneville Cutthroat Trout in the Smiths Fork Bear River Drainage written by Andrew J. Carlson and published by . This book was released on 2006 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: I evaluated losses of trout to irrigation canals and studied the annual movement patterns of Bonneville cutthroat trout Oncorhynchus clarkii utah in a high plains Rocky Mountain watershed. My objectives were to (i) evaluate the magnitude of fish loss from a basin-wide perspective to assess the population-level consequences of canal entrainment and (ii) document and compare seasonal movement patterns and mortality rates of adult cutthroat trout among complementary habitats. I found that a small percentage of cutthroat trout (1.2--3.3%) and brown trout (0.4--1.2%) were entrained in irrigation canals. These values were small relative to total annual mortality rates for inland riverine cutthroat trout (57.1%) and brown trout (53.3%) in the Rocky Mountain region of the United States. Placing the number of entrained fish in context with the basin-wide population and total annual mortality rates provides a means to evaluate the significance of fish entrainment losses to irrigation canals. I found that cutthroat trout utilized complementary habitats throughout the drainage. In the spring, cutthroat trout migrated upstream during runoff (median distance 37.1 km) and 62% of the total annual mortality occurred during this time. After spawning in the headwaters of the river system, fish moved downstream during the summer and fall a median of 11.6 km; 23% of the total annual mortality occurred over this time interval. During the winter, fish remained relatively sedentary (median movement 0.1 km) and experienced low mortality (16% of the total annual mortality). The data provide support for conceptual models that emphasize the importance of habitat complementarity as a major factor influencing movement patterns in riverine fishes. Large-scale movement is an important part of the life history of Bonneville cutthroat trout in the river system. Maintaining connectivity throughout the system is an integral component to the management and conservation of this species.
Download or read book Conservation Assessment for Inland Cutthroat Trout written by and published by . This book was released on 1996 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Irrigation Canals on Bonneville Cutthroat Trout and Other Fishes in the Smiths Fork Drainage of the Bear River Wyoming written by James J. Roberts and published by . This book was released on 2004 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Movement and Habitat Use of Bonneville Cutthroat Trout Oncorhynchus Clarki Utah written by Ryan L. Lokteff and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Movement patterns and habitat use of Bonneville cutthroat trout (Oncorhynchus clarki Utah) in tributaries of the Logan River watershed are greatly affected by habitat alterations created by North American Beaver (Castor canadensis). Evaluation of cutthroat trout habitat use in these watersheds is also complicated by biotic interactions with invasive brown trout (Salmo trutta) and brook trout (Salvelinus fontinalis). My objectives in this thesis were to 1.) Evaluate the passage of beaver dams by each trout species in the Temple Fork watershed and 2.) Evaluate the habitat use of cutthroat trout in the presence of brown trout and brook trout over a range of spatial scales. To address these objectives, 1381 trout were tagged with passive integrated transponder tags. Their locations were recorded using a combination of annual capture/recapture surveys, stationary in-stream antennas, and monthly continuous mobile antenna surveys. To address objective 1, sh were located above and below 22 beaver dams to establish whether sh passed dams and to identify downstream and upstream passage; 187 individual trout were observed making 481 passes of all 22 beaver dams. Native Bonneville cutthroat trout passed dams more frequently than both non-native brown trout and brook trout. It was determined that spawning timing affected seasonal changes in dam passage for each species. Physical characteristics of dams such as height and upstream location affected the passage of each species. Movement behaviors of each trout species were also evaluated to help ex- plain dam passage. These data suggest beaver dams are not acting as barriers to movement for cutthroat and brook trout but may be impeding the movements of invasive brown trout. To address objective 2, a hierarchical classification of stream habitat was created using the River Styles framework. The River Styles framework not only establishes a relationship between habitats at dierent scales, but also attempts to understand the processes that create and maintain those habitats. The location of each sh observation was associated with habitats at the stream, landscape unit, River Style, and geomorphic unit levels. Habitat use of each species of sh was evaluated at each spatial scale using all sh observations over the four-year study period. Hotspot locations, or locations used consistently by a species of sh consistently through time, were also evaluated across the entire study period and over each year. It was found that brook trout almost exclusively use the beaver ponds and beaver-altered habitats in Spawn Creek. Brown trout were not found in the upper- most parts of both Spawn Creek and Temple Fork. They were also found more than the other species in pools created by bedrock or man-made control features, suggesting that they select highly stable habitats. Cutthroat trout were found more than brown trout in beaver-altered habitats and lateral scour pools, suggesting that they select more dynamic, naturally occurring habitats.
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2007 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Watershed Perspective on the Distribution and Habitat Requirements of Young Bonneville Cutthroat Trout in the Thomas Fork of the Bear River Wyoming written by Seth M. White and published by . This book was released on 2003 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Drainage Wide Habitat Management on Bear River Cutthroat Trout Salmo Clarki Utah Populations in the Thomas Fork Drainage Wyoming written by Ron Remmick and published by . This book was released on 1987* with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Movement Patterns and Multi scale Factors that Influence Exotic Brook Trout and Endemic Bonneville Cutthroat Trout Distribution and Abundance in the Mill Creek Drainage Utah written by Benjamin K. Nadolski and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduced brook trout (Salvelinus fontinalis) are implicated as a primary factor leading to the decline in distribution and abundance of native cutthroat trout (Oncorhynchus clarkii). However, not all introductions are successful, suggesting local conditions influence the success of invasions. Therefore, I sought to determine the multiscale factor(s) that influence brook trouts' invasion success of native Bonneville cutthroat trout (Oncorhynchus clarkii utah) habitats in Mill Creek, Utah. I conducted patch occupancy surveys to determine watershed-scale brook trout and cutthroat trout distribution. I also determined the relative abundance of brook trout and cutthroat trout at the reach-scale by conducting three-pass depletion electrofishing surveys at ten index sites throughout the drainage. Upon completion of those surveys, I collected key watershed and reach-scale biotic and abiotic data twice during base-flow conditions. In addition, to determine watershed-scale population connectivity and the potential for upstream invasion by brook trout, I assessed fish movement using two-way weir traps. At the watershed-scale, stream slope appeared to limit brook trout invasion into some portions of the drainage. Intermittent stream-flows and extreme levels of stream slope (> 10%) appeared to limit cutthroat trout distribution. At the reach-scale, regression analyses indicated aquatic invertebrate abundance and low winter water temperatures may have influenced the abundance of brook trout, but my models explained little variation in cutthroat trout abundance overall. I observed high rates (74%) of site fidelity amongst brook trout, and mobile brook trout moved short distances (range=62-589 meters) overall. Cutthroat trout also exhibited high site fidelity (92%), but their movement was more variable, as few individuals moved long distances (up to 12.15 km). These findings will help prioritize cutthroat trout management actions in this watershed, and will be useful in determining why brook trout are successful invaders in some systems, yet remain in low and patchy abundance in others.
Download or read book Paiute Cutthroat Trout Recovery Plan written by Edward M. Lorentzen and published by . This book was released on 1985 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Greenback Cutthroat Trout Recovery Plan written by Greenback Cutthroat Trout Recovery Team and published by . This book was released on 1983 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Habitat Suitability Index Models written by Terry Hickman and published by . This book was released on 1982 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fish Habitat Conditions written by C. Kerry Overton and published by . This book was released on 1993 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Instream Flow Studies on Smiths Fork River a Bonneville Cutthroat Trout Oncorhynchus Clarki Utah Stream written by Paul D. Dey and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Distribution Systematics and Biology of Bonneville Cutthroat Trout Salmo Clarki Utah written by Bruce E. May and published by . This book was released on 1978 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Habitat Requirements of Young Colorado River Cutthroat Trout in Relation to Alterations in Streamflow written by Frank J. Rahel and published by . This book was released on 1989 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conservation Assessment for Inland Cutthroat Trout written by Michael K. Young and published by . This book was released on 1995 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Westslope Cutthroat Trout. Colorado River Cutthroat Trout. Rio Grande Cutthroat Trout. Bonneville Cutthroat Trout. Yellowstone Cutthroat Trout. Synthesis of Management and research considerations.
Download or read book Characteristics of Summer Thermal Habitat and Use by Bonneville Cutthroat Trout Oncorhynchus Clarkii Utah in Regulated and Un regulated Segments of a River System written by Ryan W. Hillyard and published by . This book was released on 2009 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
