Download or read book Coaster Brook Trout Study in Lake Superior and Its North Shore Tributaries Above and Below Barriers Completion Report written by Jeff L. Tilma and published by . This book was released on 1999 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lake Superior Lakewide Management Plan LaMP 2000 written by Lake Superior Binational Program. Superior Work Group and published by . This book was released on 2000 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ANTHROPOGENIC INFLUENCES ON THE DECLINE RESTORATION AND ECO EVOLUTIONARY DYNAMICS OF LAKE SUPERIOR S COASTER BROOK TROUT written by and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : The coaster brook trout is a life history variant of the brook trout (Salvelinus fontinalis) that is characterized by either lake residency or migration between stream and lake habitats. Coaster brook trout were once widespread throughout Lake Superior and its tributaries, but populations declined sharply in the late 19th and early 20th centuries. Historically, brook trout were a popular target of recreational and subsistence fishing in the Lake Superior basin, and it has been hypothesized that angling pressure combined with multiple forms of industrial development are what drove the coaster brook trout's decline. In the mid to late 19th century, the logging, lumbering, and mining industries proliferated rapidly, along with the network of railroads, which provided connectivity for industry and access to once remote fishing locations. However, it is unknown to what degree each of the proposed factors influenced the coaster's decline. In Chapter 1, we collected and analyzed historical data (Pre 1880-1950) on the distribution & abundance of brook trout in Lake Superior tributaries, along with historical data on the development and expansion of industries around Lake Superior to examine potential associations between specific anthropogenic impacts and coaster brook trout declines. The data were separated into four temporal categories (Pre 1880-1880, 1881-1900, 1901-1920, 1921-1950) to examine reports of brook trout catches during critical time periods in industrial developments around Lake Superior. We performed a geospatial analysis using ArcGIS Pro that demonstrated a decrease in both putative coaster brook trout abundance and range over time. Brook trout decreased notably between the '1881-1900' time period and the '1901-1920' time period, following large increases in both lumber mills and kilometers of railroad. We performed a principal component analysis to reveal potential associations between variation in industrial variables and brook trout abundances in watersheds between the first and final time periods (Pre 1880-1880 & 1921-1950, respectively). Our analysis showed that the majority of watersheds analyzed experienced a decrease in brook trout abundance and suggested that the industrial development variables we examined all are associated with and thus may have all influenced brook trout decline, though to varying degrees, as some developments were highly localized. Angling appears to be an important factor in the decline of brook trout populations around Lake Superior, as active angling (noted removals of brook trout) occurred in every watershed for which we found data. Furthermore, brook trout populations declined almost universally, even in watersheds for which we recorded little to no industrial footprint. In Chapter 2, I examine historical and modern brook trout management initiatives, use an eco-evolutionary perspective to inform potential management & restoration strategies, and identify potential restoration watersheds using the historical GIS data from Chapter 1. I used these data to create a table of prioritized restoration sites by compiling watersheds that had both a high likelihood of historical migratory brook trout populations and also experienced little industrialization. With this information, we identified several locations in Wisconsin, Michigan, and northern Minnesota that may be optimal coaster restoration watersheds.
Download or read book Searching for Home Waters written by Michael K. Steinberg and published by University of Georgia Press. This book was released on 2023-06-15 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: The brook trout (Salvelinus fontinalis) is an iconic species among fly anglers and cold-water conservationists in eastern North America. This fish registers as a powerful symbol for its beauty and its imagery in art and literature. Its presence also tells us a great deal about the health of the larger environment. When an angler has a brook trout in hand, there is confidence that the water is close to pristine. Besides being an important indicator species, the brook trout, with its gold and reddish markings and its camouflaged green and black back, is one of the most beautiful freshwater fish in North America. And beyond the beauty of the fish itself, the environment in which it is found is also part of its past and present appeal. To fish for brook trout is often to fish in the last remote and rugged landscapes in the East, “fishscapes” that have not been polluted by stocking trucks that dump nonnative brown and rainbow trout in most of the East’s accessible cold waterways. Searching for Home Waters is part science, part environmental history, and part personal journey of the author, Michael K. Steinberg, and those he interviewed during his travels. The work takes a broad perspective that examines the status of brook trout in the eastern United States, employing a “landscape” approach. In other words, brook trout do not exist in a vacuum; they are impacted by logging, agriculture, fishing policies, suburban development, mining, air pollution, and climate change. Thus, while the book focuses specifically on the status and management of the brook trout—from Georgia to Labrador—it also tells the larger story of the status of the eastern environment. As a “pilgrimage,” this book is also a journey of the heart and contains Steinberg’s personal reflections on his relationship with the brook trout and its geography.
Download or read book Habitat Use Movement Patterns and Home Ranges of Coaster Brook Trout in Nipigon Bay Lake Superior microform written by Jamie Michael Mucha and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lake Superior Tributary Sampling Guide written by Dexter R. Pitman and published by . This book was released on 1986 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigational Report written by Minnesota. Division of Game and Fish and published by . This book was released on 1944 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dispersion of Stocked Brook Trout Between Lake Superior Tributaries written by Andrew John Carlson and published by . This book was released on 2003 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Study of Brook Trout in Branch Brook written by Stuart E. DeRoche and published by . This book was released on 1967 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Trout and Salmon of North America written by Robert Behnke and published by Simon and Schuster. This book was released on 2010-07-06 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This beautiful and definitive guide brings together the world's lead leading expert on North American trout and salmon, Robert Behnke, and the foremost illustrator in the field, Joseph Tomelleri. North America is graced with the greatest diversity of trout and salmon on earth. From tiny brook trout in mountain streams of the Northeast, to cutthroat trout in the rivers of the Rockies, to Chinook salmon of the Pacific, the continent is home to more than 70 types of trout and salmon. How this came to be, how they are related, and what makes them unique -- and so breathtaking -- is the story of Trout and Salmon of North America. The more than 100 illustrations of trout and salmon by Joseph Tomelleri showcased here exhibit a genius for detail, coloration, and proportion. Each portrait is made from field notes, streamside observations, photographs, and specimens collected by the artist. The result is a set of the most accurate and stunning illustrations of fish ever created. Robert Behnke has distilled 50 years of his research and writing about trout and salmon in completing this book. No one understands better than Behnke the diversity and conservation issues concerning these fishes or communicates so lucidly the biological wonders and complexities of their particular beauty. Also included are more than 40 richly detailed maps that clearly show the ranges of populations of trout and salmon throughout North America. An irresistible delight for anyone who appreciates natural history, Trout and Salmon of North America is a master guide to the natural elegance of our native fishes.
Download or read book The Movements of Bull Trout Salvelinus Confluentus Above and Below Albeni Falls Dam written by Mark Paluch and published by . This book was released on 2011 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Dams built without a means of fish passage such as Albeni Falls Dam, constructed on the Pend Oreille River, ID in 1955, block fish migration to their natal tributary. The first set of objectives for this study were: to provide bull trout (Salvelinus conjluentus) passage around Albeni Falls Dam, predict natal tributary from genetic samples, and track the movements of the tagged fish to determine if the tributary entered during for spawning period matched the genetically predicted natal tributary for each fish. Eight bull trout were captured below Albeni Falls Dam. Each fish was surgically implanted with a transmitter and released above the dam. Genetic samples from each fish were compared with databases of known bull trout populations located between Albeni Falls Dam and Thompson Falls Dam, MT to determine the most probable natal tributary of each fish. Movements were monitored using radio and acoustic telemetry via twelve fixed receiver stations (four at Albeni Falls Dam, one on the Priest River, two near the Dover railroad tracks leading into Lake Pend Oreille, one on the Pack River, and one on each of the major bull trout producing tributaries of Lake Pend Oreille: Lightning, Trestle, Gold, and Granite creeks) and mobile tracking via vehicle, boat and aircraft. Seven of the eight tagged bull trout migrated past the receiver stations leading into Lake Pend Oreille and one fish traveled up the Priest River. Five of the fish transmitters were detected in the predicted natal tributary. Of the three tags not detected in the predicted natal tributaries; one fish was located in Lake Pend Oreille, one fish has not been located since entering the lake, and one fish was last detected in the Priest River. Preliminary results indicate most bull trout that are provided passage upstream of Albeni Falls Dam attempt to return to upstream tributaries to spawn. These tributaries are most likely their natal tributaries. Providing passage upstream of Albeni Falls Dam reduces losses to populations and protects genetic integrity of native bull trout in the Pend Oreille Basin. The second set of objectives for this study were to: analyze spatial and temporal distributions along the downstream face of Albeni Falls Dam, analyze the relationship between fish behavior and operating conditions of dam, and track movements downstream from the dam. Twelve bull trout and seventeen westslope cutthroat trout (Oncorhynchus clarki) were tagged and released below Albeni Falls Dam. When released below Albeni Falls Dam, bull trout tended to approach the dam before exploring downstream. They generally stayed within a short distance of the dam until water temperature began to rise. Distances of downstream travel increased as temperatures increased. These increased distances traveled downstream were probably made in search of cold. Six bull trout were found downstream of Albeni Falls Dam in areas where cooler water enters the Pend Oreille River. These provided cold water refuge for bull trout when the Pend Oreille River water temperature rose above the bull trout's thermal zone of tolerance (16°C). The existence of cold water refuge downstream from Albeni Falls Dam allows for the potential re-establishing bull trout populations in the Pend Oreille River. Data was collected in two macro and four micro zones on seven of the bull trout and fifteen of the westslope cutthroat trout. Movements were detected on both sides of the powerhouse and tailrace spillways, where potential sites for establishing permanent fish passage have been identified. Albeni Falls Dam has three turbines. No combination of flow through these turbines was found that excluded bull trout or westslope cutthroat trout from moving throughout the entire powerhouse tailrace. Data collected below Albeni Falls Dam indicates a preference for the powerhouse tailrace by bull trout"--Document.
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 Lake Roosevelt Rainbow Trout written by and published by . This book was released on 2000 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Franklin D. Roosevelt was created with the completion of the Grand Coulee Dam in 1942. The lake stretches 151 miles up-stream to the International border between the United States and Canada at the 49th parallel. Increased recreational use, subsistence and sport fishing has resulted in intense interest and possible exploitation of the resources within the lake. Previous studies of the lake and its fishery have been limited. Early studies indicate that natural reproduction within the lake and tributaries are not sufficient to support a rainbow trout (Onchoryhnchus mykiss) fishery (Scholz et. al., 1988). These studies indicate that the rainbow trout population may be limited by lack of suitable habitat for spawning and rearing (Scholz et. al., 1988). The initial phase of this project (Phase I, baseline data collection- 1990-91) was directed at the assessment of limiting factors such as quality and quantity of available spawning gravel, identification of passage barriers, and assessment of other limiting factors. Population estimates were conducted using the Seber/LeCren removal/depletion method. After the initial assessment of stream parameters, several streams were selected for habitat/passage improvement projects (Phase II, implementation-1992-96). At the completion of project habitat improvements, the final phase (Phase III, monitoring) began. This phase will assess changes and gauge the success achieved through the improvements. The objective of the project is to correct passage barriers and improve habitat conditions of selected tributaries to Lake Roosevelt for adfluvial rainbow trout that utilize tributary streams for spawning and rearing. Streams with restorable habitats were selected for improvements. Completion of improvement efforts should increase the adfluvial rainbow trout contribution to the resident fishery in Lake Roosevelt. Three co-operating agencies, the Confederated Tribes of the Colville Reservation (CCT), the Spokane Tribe of Indians (STI) and the Washington Department of Fish and Wildlife initiated the project fieldwork in 1990. Phase II included only the Confederated Tribes of the Colville Reservation and the Spokane Tribe of Indians. Phase III is being completed by the Confederated Tribes of the Colville Reservation.
Download or read book Discoveries in Australia written by John Lort Stokes and published by . This book was released on 1846 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Missouri Landscapes written by Jon L. Hawker and published by . This book was released on 1992 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In this magnificent book, Oliver Schuchard provides more than sixty-five exquisite black-and-white photographs spanning his thirty-eight years of photography. In addition, he explains the aesthetic rationale and techniques he used in order to produce these photographs, emphasizing the profound differences between, yet necessary interdependence of, craft and content. Although Schuchard believes that craft is important, he maintains that the idea behind the photograph and the emotional content of the image are equally vital and are, in fact, functions of one another. The author also shares components of his life experience that he believes helped shape his development as an artist and a teacher. He chose the splendid photographs included in this book from among nearly 5,000 negatives that had been exposed all over the world, from Missouri to Maine, California, Alaska, Colorado, France, Newfoundland, and Hawaii, among many other locations. Approximately 250 negatives survived the initial review, and each of those was printed before a final decision was made on which photographs were to be featured in the book. The final choices are representative of Schuchard's work and serve to substantiate his belief that craft, concept, and self must be fully understood and carefully melded for a good photograph to occur. This amazing work by award-winning photographer Oliver Schuchard will be treasured by professional and amateur photographers alike, as well as by anyone who simply enjoys superb photography."--Publishers website.
Download or read book Population Genetics and Fishery Management written by Nils Ryman and published by . This book was released on 2009-10 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first publication of "Population Genetics and Fishery Management" in 1987, significant technological, analytical, and conceptual changes have occurred. By explaining basic population genetics in a fisheries context, the text continues to serve as an excellent starting point for approaching complex recent developments.
Download or read book The Sailor s Word book written by William Henry Smyth and published by London : Blackie and son. This book was released on 1867 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
