Tidal Marsh Wildlife and Their Habitats PDF Download

Author: Franklin C. Daiber
Publisher:
ISBN:
Category : Salt marsh animals
Languages : en
Pages : 184

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Author: Robert Henry Chabreck
Publisher: U of Minnesota Press
ISBN: 1452900434
Category :
Languages : en
Pages : 163

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Book Description

Author: Franklin C. Daiber
Publisher: Van Nostrand Reinhold Company
ISBN:
Category : Nature
Languages : en
Pages : 440

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Author: Milton Webster Weller
Publisher: U of Minnesota Press
ISBN: 0816624062
Category : Science
Languages : en
Pages : 182

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Book Description

Author: M.P. Weinstein
Publisher: Springer Science & Business Media
ISBN: 0792360192
Category : Nature
Languages : en
Pages : 862

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Book Description
Tidal salt marshes are viewed as critical habitats for the production of fish and shellfish. As a result, considerable legislation has been promulgated to conserve and protect these habitats, and much of it is in effect today. The relatively young science of ecological engineering has also emerged, and there are now attempts to reverse centuries-old losses by encouraging sound wetland restoration practices. Today, tens of thousands of hectares of degraded or isolated coastal wetlands are being restored worldwide. Whether restored wetlands reach functional equivalency to `natural' systems is a subject of heated debate. Equally debatable is the paradigm that depicts tidal salt marshes as the `great engine' that drives much of the secondary production in coastal waters. This view was questioned in the early 1980s by investigators who noted that total carbon export, on the order of 100 to 200 g m-2 y-1 was of much lower magnitude than originally thought. These authors also recognized that some marshes were either net importers of carbon, or showed no net exchange. Thus, the notion of `outwelling' has become but a single element in an evolving view of marsh function and the link between primary and secondary production. The `revisionist' movement was launched in 1979 when stable isotopic ratios of macrophytes and animal tissues were found to be `mismatched'. Some eighteen years later, the view of marsh function is still undergoing additional modification, and we are slowly unraveling the complexities of biogeochemical cycles, nutrient exchange, and the links between primary producers and the marsh/estuary fauna. Yet, since Teal's seminal paper nearly forty years ago, we are not much closer to understanding how marshes work. If anything, we have learned that the story is far more complicated than originally thought. Despite more than four decades of intense research, we do not yet know how salt marshes function as essential habitat, nor do we know the relative contributions to secondary production, both in situ or in the open waters of the estuary. The theme of this Symposium was to review the status of salt marsh research and revisit the existing paradigm(s) for salt marsh function. Challenge questions were designed to meet the controversy head on: Do marshes support the production of marine transient species? If so, how? Are any of these species marsh obligates? How much of the production takes place in situ versus in open waters of the estuary/coastal zone? Sessions were devoted to reviews of landmark studies, or current findings that advance our knowledge of salt marsh function. A day was also devoted to ecological engineering and wetland restoration papers addressing state-of-the-art methodology and specific case histories. Several challenge papers arguing for and against our ability to restore functional salt marshes led off each session. This volume is intended to serve as a synthesis of our current understanding of the ecological role of salt marshes, and will, it is hoped, pave the way for a new generation of research.

Author: Franklin C. Daiber
Publisher: Van Nostrand Reinhold Company
ISBN:
Category : Business & Economics
Languages : en
Pages : 360

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Author: Aat Barendregt
Publisher:
ISBN: 9783823615514
Category : Estuarine ecology
Languages : en
Pages : 320

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Book Description

Author: Peter B. Moyle
Publisher: Univ of California Press
ISBN: 0520276086
Category : Nature
Languages : en
Pages : 252

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Book Description
One of California's most remarkable wetlands, Suisun Marsh is the largest tidal marsh on the West Coast and a major feature of the San Francisco Estuary. This productive and unique habitat supports endemic species, is a nursery for native fishes, and is a vital link for migratory waterfowl. The 6,000-year-old marsh has been affected by human activity, and humans will continue to have significant impacts on the marsh as the sea level rises and cultural values shift in the century ahead. This study includes in-depth information about the ecological and human history of Suisun Marsh, its abiotic and biotic characteristics, agents of ecological change, and alternative futures facing this ecosystem.

Author: Charles L. Coultas
Publisher: CRC Press
ISBN: 9781574440263
Category : Technology & Engineering
Languages : en
Pages : 382

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Book Description
This is a major compendium of the existing knowledge of the ecology and management of tidal marshes by some of the leading experts in the field. The major theme of the book is the interconnectedness of the marsh, plants, marine organisms, soils and geology, energy and money flow, and legal and management effects on the system. Emphasis is placed throughout on the fact that nature has provided a free service that can either be maintained and enhanced by man or destroyed and forever lost. At a time of declining fisheries, this book points the way to management strategies that are needed to effect improvement.

Author: Judith S Weis
Publisher: Rutgers University Press
ISBN: 0813548519
Category : Nature
Languages : en
Pages : 271

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Book Description
Tall green grass. Subtle melodies of songbirds. Sharp whines of muskrats. Rustles of water running through the grasses. And at low tide, a pungent reminder of the treasures hidden beneath the surface.All are vital signs of the great salt marshes' natural resources. Now championed as critical habitats for plants, animals, and people because of the environmental service and protection they provide, these ecological wonders were once considered unproductive wastelands, home solely to mosquitoes and toxic waste, and mistreated for centuries by the human population. Exploring the fascinating biodiversity of these boggy wetlands, Salt Marshes offers readers a wealth of essential information about a variety of plants, fish, and animals, the importance of these habitats, consequences of human neglect and thoughtless development, and insight into how these wetlands recover. Judith S. Weis and Carol A. Butler shed ample light on the human impact, including chapters on physical and biological alterations, pollution, and remediation and recovery programs. In addition to a national and global perspective, the authors place special emphasis on coastal wetlands in the Atlantic and Gulf regions, as well as the San Francisco Bay Area, calling attention to their historical and economic legacies. Written in clear, easy-to-read language, Salt Marshes proves that the battles for preservation and conservation must continue, because threats to salt marshes ebb and flow like the water that runs through them.