Conservation of Endangered Freshwater Fish in Europe PDF Download
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Author: Arthur Kirchhofer
Publisher: Birkhäuser
ISBN: 3034890141
Category : Science
Languages : en
Pages : 340
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Book Description
Two events have recently improved the prospects of protecting fish and their environment in Switzerland: the acceptance of a new Federal Water Protection Law in the plebiscite of May 17th 1992, and the new Federal Legislation on Fisheries, in force since January 1st 1994. With this legal framework, the possibilities for protection of nature and landscape have now considerably improved in Switzerland. The most important aims of the Federal Law on Water Protection are to safeguard the natural habitats of the native flora and fauna and water as the habitat of aquatic organisms. This includes not only the preservation or restoration of water quality in lakes and rivers, but also, in rivers used for hydroelectricity, irrigation or as industrial or other water supplies, the maintenance of sufficient water to fulfill the minimal requirements for fish. However, good quality water in sufficient quan tities alone is not enough to guarantee the survival of fish. Intact fish habitats comprise various phYsical structures including plenty of hiding places, hunting grounds, reproduction and nursery areas within suitable distances from each other. This third aspect of conservation and restoration of aquatic habitats is a central point in the new Federal Law on Fisheries. Whereas the former versions of this law were more concerned with fishery regulations, the recent legislation defines new areas of responsibility for the federal and the cantonal governments.
Author: Arthur Kirchhofer
Publisher: Birkhäuser
ISBN: 3034890141
Category : Science
Languages : en
Pages : 340
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Book Description
Two events have recently improved the prospects of protecting fish and their environment in Switzerland: the acceptance of a new Federal Water Protection Law in the plebiscite of May 17th 1992, and the new Federal Legislation on Fisheries, in force since January 1st 1994. With this legal framework, the possibilities for protection of nature and landscape have now considerably improved in Switzerland. The most important aims of the Federal Law on Water Protection are to safeguard the natural habitats of the native flora and fauna and water as the habitat of aquatic organisms. This includes not only the preservation or restoration of water quality in lakes and rivers, but also, in rivers used for hydroelectricity, irrigation or as industrial or other water supplies, the maintenance of sufficient water to fulfill the minimal requirements for fish. However, good quality water in sufficient quan tities alone is not enough to guarantee the survival of fish. Intact fish habitats comprise various phYsical structures including plenty of hiding places, hunting grounds, reproduction and nursery areas within suitable distances from each other. This third aspect of conservation and restoration of aquatic habitats is a central point in the new Federal Law on Fisheries. Whereas the former versions of this law were more concerned with fishery regulations, the recent legislation defines new areas of responsibility for the federal and the cantonal governments.
Author: Peter S. Maitland
Publisher: Council of Europe
ISBN: 9789287124685
Category : Political Science
Languages : en
Pages : 56
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Book Description
Author: Gerry Closs
Publisher: Cambridge University Press
ISBN: 1107040116
Category : Nature
Languages : en
Pages : 601
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Book Description
A global assessment of the current state of freshwater fish biodiversity and the opportunities and challenges to conservation.
Author: Peter S. Maitland
Publisher: Council of Europe
ISBN: 9789287118844
Category : Political Science
Languages : en
Pages : 82
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Book Description
Author: Kevin G. Smith
Publisher: IUCN
ISBN: 9782831709086
Category : Nature
Languages : en
Pages : 44
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Book Description
Author: David Dudgeon
Publisher: Cambridge University Press
ISBN: 1108882625
Category : Nature
Languages : en
Pages : 517
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Book Description
Growing human populations and higher demands for water impose increasing impacts and stresses upon freshwater biodiversity. Their combined effects have made these animals more endangered than their terrestrial and marine counterparts. Overuse and contamination of water, overexploitation and overfishing, introduction of alien species, and alteration of natural flow regimes have led to a 'great thinning' and declines in abundance of freshwater animals, a 'great shrinking' in body size with reductions in large species, and a 'great mixing' whereby the spread of introduced species has tended to homogenize previously dissimilar communities in different parts of the world. Climate change and warming temperatures will alter global water availability, and exacerbate the other threat factors. What conservation action is needed to halt or reverse these trends, and preserve freshwater biodiversity in a rapidly changing world? This book offers the tools and approaches that can be deployed to help conserve freshwater biodiversity.
Author: P.J. Olney
Publisher: Springer Science & Business Media
ISBN: 9401107211
Category : Nature
Languages : en
Pages : 560
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Book Description
Past progress and future challenges R.J. Wheater Royal Zoological Society of Scotland, Edinburgh, UK. In the past two decades much has been achieved in the sphere of breeding endangered species, and we should be pleased that our co operative efforts have already borne so much fruit. However, on balance and despite the best efforts of conservationists, the position of wildlife in the wild places where they are best conserved has become worse, often dramatically worse. Before returning to the United Kingdom in 1972, I was in Uganda for 16 years, most of which time was spent as Chief Warden of Murchison Falls National Park. Our main problem was that an over-population of large mammals was having a devastating impact on the habitat. Devas tation was being wrought on woodland areas by the arrival of large numbers of elephants into the sanctuary of the Park, following changes in land use in the areas outside the Park. These changes were in response to the requirements of an ever-expanding human population.
Author: Edit Wenger
Publisher: Council of Europe
ISBN: 9789287149930
Category : Political Science
Languages : en
Pages : 44
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Book Description
The Pan-European Biological Network is intended to ensure that ecosystems, habitats, populations of species and landscapes of European importance are maintained in a good state of conservation. It aims to restore the biodiversity which is seriously endangered in Europe. Water-courses and the environments associated with them are natural corridors used by both animal species and humans. With their great natural wealth, connecting numerous elements within the corridor, both longitudinally and laterally, they are essential elements in the constitution of the Pan-European Ecological Network.
Author: Council of Europe
Publisher: Council of Europe
ISBN: 9789287152589
Category : Science
Languages : en
Pages : 56
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Book Description
Coastal and marine ecological corridors, part of the Pan-european Ecological Network, form part of the migration route of many mobile marine species and are often narrow stretches of water (such as sea straits and river mouths). Shorebirds often move along the coast, itself one long corridor interrupted only by infrastructure and other developments. This study seeks to contribute to the identification of the main marine and coastal ecological corridors in Europe.
Author: Graham Bennett
Publisher: Council of Europe
ISBN: 9789287149350
Category : Political Science
Languages : en
Pages : 104
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Book Description
The Pan-European Ecological Network aims to secure the favourable conservation status of the ecosystems, habitats, species and landscapes of importance across Europe. This report reviews the provisions of existing international instruments and proposes priority co-operation action which could support both the development of the network and the implementation of these instruments.
