Download or read book Re establishment of the Native Oyster Ostrea Conchaphila in Netarts Bay Oregon USA written by Pamela Emily Archer and published by . This book was released on 2009 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Olympia oysters, "Ostrea conchaphila," were once common along the west coast of North America. A popular delicacy, native oyster populations began to decline in the late 1800's due to over-harvest, degraded water quality, and habitat loss. Interest in re-establishing the native oyster in a small Oregon estuary, Netarts Bay, culminated in a partnership among The Nature Conservancy, the National Oceanic and Atmospheric Administration, the Oregon Watershed Enhancement Board, and Oregon State University. This study was designed to assess the reestablishment progress of the Olympia oyster restoration in Netarts Bay along with subsequent impacts of the restoration on eelgrass ("Zostera marina"), an important estuarine species. Two brood years (2005 & 2006) of cultch, consisting of O. conchaphila set on clean "Crassostrea gigas" shell substrate, were outplanted within an extensive, relatively uniform eelgrass bed. Cultch was placed in two experimental locations to determine the effect of cultch cover on native oyster survival, growth, and eelgrass abundance. The percent cover of cultch varied among treatments: "control" (no cultch), "low" (4% cultch cover), "medium" (11% cultch), and "high" (19% cultch). Research objectives were: (1) determination of O. conchaphila density, growth, and reproduction; and (2) quantification of the response of "Z. marina" abundance and reproduction to cultch cover. Results from 2007 demonstrated that Olympia oysters were capable of growth, reproduction, and recruitment within their former habitat. Cultch cover within treatments did not change throughout the summer and there was minimal shell export out of the experimental location. Oyster size increased from March-September, 2007: the mean size of the 2005 brood year increased by 10.5 mm, while the 2006 brood year increased by 16.2 mm. Sperm and larvae were found in individuals from both brood years, indicating that oysters were reproductively active. Declines in eelgrass mean percent leaf cover and shoot density were observed with increasing cultch cover. The mean eelgrass percent leaf cover was 15-22% lower and shoot density was 27-36% lower in high treatment (19% cultch) plots than in control plots. There were no discernable patterns in the eelgrass response variables of flowering shoot count, blade length, or blade width. The medium treatment (11% cultch), in which oyster densities were statistically similar to the high treatment (19% cultch), did not have statistically significant impacts on eelgrass percent cover or shoot density. We recommend continued testing of the medium treatment (11% cultch), as well as other cultch densities, such as a 50% cultch treatment. Additional monitoring will be needed to determine what, if any, long-term impacts occur to the eelgrass bed. We also recommend long-term monitoring of both oysters and eelgrass beds to detect any additional changes at the re-establishment site.
Download or read book Native Oyster Investigations of Yaquina Bay Oregon written by Roland Eugene Dimick and published by . This book was released on 1941 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report presents the survey ... inaugurated by Governor Charles A. Sprague for the purpose of ascertaining facts which might serve as a basis for rehabilitation of the oyster fishery and as a basis of management for a sustained yield of the native oyster, Ostrea lurida Carpenter. The investigation was a cooperative undertaking in which the Fish Commission of the State of Oregon, The Lincoln County Court and the Oregon Agricultural Experiment Station participated"--Introduction.
Download or read book High Predation May Hinder Native Oyster Ostrea Lurida Carpenter 1864 Restoration in North Humboldt Bay California written by Julie A. Koeppel and published by . This book was released on 2011 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Eastern Oyster written by Victor S. Kennedy and published by University of Maryland Sea Grant Publications. This book was released on 1996 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1966 Congress passed the National Sea Grant College Program Act to promote marine research, education, and extension services in institutions along the nation's ocean and Great Lakes coasts. In Maryland a Sea Grant Program -- a partnership among federal and state governments, universities, and industries -- began in 1977, and in 1982 the University of Maryland was named the nation's seventeenth Sea Grant College. The Maryland Sea Grant College focuses its efforts on the Chesapeake Bay, with emphasis on the marine concerns of fisheries, seafood technology, and environmental quality. The first comprehensive review of the biology of the eastern oyster in more than thirty years. The twenty-one chapters synthesize every aspect of oyster biology -- for instance, general anatomy, physiology, the circulatory system, reproduction, genetics, diseases -- and issues related to management and aquaculture.
Download or read book Tidal Hydraulics written by United States. Army. Corps of Engineers and published by . This book was released on 1965 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Annual Report of the Department of Fisheries written by Canada. Department of Fisheries and published by . This book was released on 1891 with total page 1584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Living Shore written by Rowan Jacobsen and published by Bloomsbury Publishing USA. This book was released on 2009-07-01 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the 1990s, a marine scientist named Brian Kingzett was commissioned to survey Canada's western coast. He saw amazing sights, from the wildest, most breathtaking coasts to the smallest of marine creatures. Along the western side of Vancouver Island, Kingzett nosed into an isolated pocket beach where he found something unusual. Amid the mussels, barnacles, and clams were round oysters-Olympias. Kingzett noted their presence and paddled on. A decade later when he met Betsy Peabody, executive director of the Puget Sound Restoration Fund (PSRF), he learned that this once ubiquitous native oyster was in steep decline, and he knew that together they would return to this remote spot. Rowan Jacobsen, along with Kingzett, Peabody, and a small group of scientists from PSRF and the Nature Conservancy, set out last July to see if the Olys were still surviving-and if they were, what they could learn from them. The goal: to use their pristine natural beds, which have probably been around for millennia, as blueprints for the habitat restoration efforts in Puget Sound. The implications are vast. If Peabody and her team can bring good health back to Puget Sound by restoring the intertidal zones-the areas of land exposed during low tide and submerged during high tide, where oysters live-their research could serve as a model for saving the world's oceans. During a time when the fate of the oceans seems uncertain, Rowan Jacobsen has found hope in the form of a small shelled creature living in the lost world where all life began.
Download or read book Seventy Years of Progress in Washington written by Ezra Meeker and published by . This book was released on 1921 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book History of Washington Idaho and Montana written by Hubert Howe Bancroft and published by . This book was released on 1890 with total page 878 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The oyster industry written by Ernest Ingersoll and published by . This book was released on 1881 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific Investigations Report written by Sharon E. Kroening and published by . This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biogenic Reefs written by T. J. Holt and published by . This book was released on 1998-01-01 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book California s Living Marine Resources written by William S. Leet and published by University Of California, Division of Agriculture and Natural Resources; Califorinia Sea Grant. This book was released on 2001 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 592-page spiral-bound reference provides a baseline of information for all those involved with managing living marine resources in California and chronicles changes that have occurred in many of the state’s fisheries. Organized by marine ecosystems: bays and estuaries, nearshore and offshore. Includes illustrated species descriptions with details of biological knowledge, fishery history, landings data, population status and references. Also includes sections on marine birds and mammals and appendices containing management considerations (by species), a glossary of technical terms and acronyms and fishing gear illustrations. Jointly produced by the California Sea Grant Extension Program and the California Department of Fish and Game following the passage of the Marine Life Protection Act in January 1999.
Download or read book Genetics and Evolution of Aquatic Organisms written by A. Beaumont and published by Springer Science & Business Media. This book was released on 1994-03-31 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together, for the first time, a wide range of up-to-the-minute and traditional techniques and approaches to the study of genetics of organisms living in freshwater or marine habitats. Carefully edited chapters are headed by broad review articles against which are set a number of more specific experience papers which demonstrate the breadth and range of approaches currently being undertaken.
Download or read book Traveler 39 s History of Washington written by and published by Caxton Press. This book was released on with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed by the University of Nebraska Press for the University of Idaho Press What Happened Here? Travelers interested in history want to know about the history of the sites that they pass in the Evergreen State. Who but veteran author Bill Gulick could write the premier historical travel book on Washington?
Download or read book The Ecology of Humboldt Bay California written by Roger A. Barnhart and published by . This book was released on 1992 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecosystem Engineers written by and published by Academic Press. This book was released on 2011-09-21 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book entirely devoted to this topic, Ecosystem Engineers begins with the history of the concept, presenting opposing definitions of ecosystem engineeing. These varied definitions advance the debate and move past trivial difficulties to crystallize key issues such as the value of process-based vs. outcome-based. Authors include case studies spanning a wide spectrum of species and habitats, including above and below-ground, aquatic and terrestrial, and extant and paleontological examples. These studies enable readers to understand how the categorization of species as ecosystem engineers allows scientists to forge new explanatory generalizations. Key for all ecologists and environmentalists, this book ultimately illustrates how to inform and manage natural resources. The only consolidated treatment available Provides definitions, case studies, and examples of ecological models Discusses how ecosystem engineering can inform and improve the management of natural resources Includes contributions from Clive Jones, the leading figure in the development of the ecosystem engineer concept, and many other eminent ecologists, such as Alan Hastings
