Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald
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Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald
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Author : Pommersche Geographische Gesellschaft, Greifswald
language : de
Publisher:
Release Date : 1883
Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald written by Pommersche Geographische Gesellschaft, Greifswald and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1883 with Geography categories.
Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald
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Author : Pommersche geographische gesellschaft, Greifswald
language : de
Publisher:
Release Date : 1933
Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald written by Pommersche geographische gesellschaft, Greifswald and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with Geography categories.
Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald
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Author : Pommersche geographische gesellschaft, Greifswald
language : de
Publisher:
Release Date : 1900
Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald written by Pommersche geographische gesellschaft, Greifswald and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1900 with Geography categories.
Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald
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Author : Pommersche Geographische Gesellschaft, Greifswald
language : de
Publisher:
Release Date : 1931
Jahrbuch Der Pommerschen Geographischen Gesellschaft Sitz Greifswald written by Pommersche Geographische Gesellschaft, Greifswald and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1931 with Geography categories.
Conservation Of Endangered Freshwater Fish In Europe
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Author : Arthur Kirchhofer
language : en
Publisher: Birkhäuser
Release Date : 2012-12-06
Conservation Of Endangered Freshwater Fish In Europe written by Arthur Kirchhofer and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.
Research Catalogue Of The American Geographical Society Regional Numbers 20 23 Europe Switzerland Germany Scandinavia Estonia Latvia European U S S R
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Author : American Geographical Society of New York
language : en
Publisher:
Release Date : 1962
Research Catalogue Of The American Geographical Society Regional Numbers 20 23 Europe Switzerland Germany Scandinavia Estonia Latvia European U S S R written by American Geographical Society of New York and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Geography categories.
Research Catalogue
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Author : American Geographical Society of New York
language : en
Publisher:
Release Date : 1962
Research Catalogue written by American Geographical Society of New York and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Geography categories.
Research Catalogue Of The American Geographical Society
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Author : American Geographical Society of New York
language : en
Publisher:
Release Date : 1962
Research Catalogue Of The American Geographical Society written by American Geographical Society of New York and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Geography categories.
W Chentliches Verzeichnis Der Erschienenen Und Der Vorbereiteten Neuigkeiten Des Deutschen Buchhandels
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Author :
language : de
Publisher:
Release Date : 1929
W Chentliches Verzeichnis Der Erschienenen Und Der Vorbereiteten Neuigkeiten Des Deutschen Buchhandels written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1929 with German literature categories.
Economic Geography
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Author :
language : en
Publisher:
Release Date : 1939
Economic Geography written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1939 with Economic geography categories.