The Alkali (Scirpus Maritimus L.) and Saltmarsh (S. Robustus Pursh) Bulrushes PDF Download
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Author: Harold A. Kantrud
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 96
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Book Description
Author: Harold A. Kantrud
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 96
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Book Description
Author: Harold A. Kantrud
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 88
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Book Description
Author:
Publisher:
ISBN:
Category : Biology
Languages : en
Pages : 88
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Book Description
Author: Harold A. Kantrud
Publisher:
ISBN:
Category :
Languages : en
Pages :
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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:
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Category :
Languages : en
Pages : 526
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Author: James Thomas Anderson
Publisher:
ISBN:
Category : Water birds
Languages : en
Pages : 52
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Book Description
"Wetland use and selection by species of waterbirds (shorebirds, wading birds, gulls, terns, grebes, cormorants, and pelicans) between the Rio Grande and Galveston Bay in coastal Texas were studied during September and November of 1991-92 and during January and March of 1992-93. Based on a stratified (by dominant land use) random sample of 64.75-ha plots, 88 species of waterbirds using wetlands were observed. Ranks of density and proportion of feeding bird indicated that cormorants and pelicans preferred wetlands with less than 30% vegetation. Gulls, terns, and skimmers preferred certain types of estuarine and lacustrine wetlands with less than 30% vegetation, especially estuarine subtidal rock bottom rubble types. Grebes and rails selectively used palustrine aquatic-bed rooted vascular and unconsolidated bottom mud wetland types. Herons, egrets, and bitterns preferred certain types of lacustrine and estuarine wetlands. Shorebirds used estuarine intertidal wetlands. Waterbird management should focus on 26 of the 82 wetland types that we prioritized in the coastal plains of Texas. Management should focus on protecting, enhancing, or restoring complexes of various wetland types, especially estuarine aquatic-bed and intertidal unconsolidated substrate types"--Page 1
Author: Beat Oertli
Publisher: Springer Science & Business Media
ISBN: 9048190886
Category : Science
Languages : en
Pages : 372
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Book Description
Ponds are an exceptional freshwater resource around the world and represent thirty percent of the global surface area of standing water. Furthermore, the millions of ponds which exist exhibit a particularly high biodiversity and have a high potential for ecosystem functions and services. Despite these impressive features, ponds face many threats from a variety of human activities and receive little or no protection under European and national legislation. Consequently, there is an urgent need to protect, consolidate and increase the pond resource in Europe. In order to achieve these objectives, the European Pond Conservation Network (EPCN) was launched 2004 in Geneva. Its aim is to promote the awareness, understanding and conservation of these small water bodies in the European landscape. This volume of “Developments in Hydrobiology” presents a selection of 31 papers presented during EPCN conferences held in 2006 in France (Toulouse) and in 2008 in Spain (Valencia). They represent a diverse collection of themes from across the continent and North Africa and present new and original insights into topics as wide ranging as pond biodiversity; human disturbance; landscape ecology; ecological assessment and monitoring; practical management measures; ecological restoration; hydrology and climate change; invasive species and threatened species.
Author:
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Category : Government publications
Languages : en
Pages : 1076
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Book Description
Author: Ehud Weiss
Publisher: Oxbow Books
ISBN: 1782973311
Category : Social Science
Languages : en
Pages : 534
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Book Description
This volume celebrates the career of archaebotanist Professor Gordon C. Hillman. Twenty-eight papers cover a wide range of topics reflecting the great influence that Hillman has had in the field of archaeobotany. Many of his favourite research topics are covered, the body of the text being split into four sections: Personal reflections on Professor Hillman's career; archaeobotanical theory and method; ethnoarchaeological and cultural studies; and ancient plant use from sites and regions around the world. The collection demonstrates, as Gordon Hillman believes, that the study of archaebotany is not only valuable, but vital for any study of humanity.
