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Author : Dmitriĭ Sergeevich Pavlov
Publisher : Food & Agriculture Org.
Page : 112 pages
File Size : 44,6 Mb
Release : 1989
Category : Nature
ISBN : 9251028575
Author : D. S. Pavlov,Rolando Quiros
Publisher : Unknown
Page : 0 pages
File Size : 47,8 Mb
Release : 1989
Category : Fishes
ISBN : OCLC:610451155
Author : D. S. Pavlov
Publisher : Sagwan Press
Page : 108 pages
File Size : 54,9 Mb
Release : 2018-02-08
Category : History
ISBN : 1377049000
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author : Rolando Quirós
Publisher : Unknown
Page : 56 pages
File Size : 40,5 Mb
Release : 1989
Category : Fishes
ISBN : UTEXAS:059173023147035
Author : Charles H. Clay
Publisher : CRC Press
Page : 257 pages
File Size : 51,9 Mb
Release : 2017-12-14
Category : Science
ISBN : 9781351455787
This new edition of the best-selling book describes the main types of fishways and fish facilities used around the world to assist the passage of fish over dams and other obstructions to their migration. It also focuses on the protection of fish (mainly young fish) from the hazards encountered in their downstream migrations. The book brings together the type of knowledge and research needed to decide on the facility used as well as its design and operation. It emphasizes the need for both biologists and engineers to collaborate in the design and indicates in what fields such collaboration would benefit fisheries conservation in the future. This is the Second Edition of the only book to bring together all of these topics worldwide under one cover.
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 180 pages
File Size : 43,6 Mb
Release : 2001
Category : Business & Economics
ISBN : 9251046948
The importance of free longitudinal passage of river fauna is stressed.
Author : Ulrich Schwevers,Beate Adam
Publisher : Springer
Page : 279 pages
File Size : 55,9 Mb
Release : 2019-06-24
Category : Science
ISBN : 9783030192426
This book offers a comprehensive review of current systems for fish protection and downstream migration. It offers the first systematic description of the currently available technologies for fish protection at hydropower intakes, including accurate and timely data collected by the authors and other researchers. It describes how to design and test them in agreement with the guidelines established from the EU Water Framework Directive. The book includes important information about fish biology, with a special focus on swimming and migration mechanisms. It offers a robust bridge between concepts in applied ecology and civil hydraulic engineering, thus providing biologists and hydraulic engineers with an authoritative reference guide to both the theory and practice of fish protection. It is also of interest for planners, public authorities as well as environmental consultants
Author : Anonim
Publisher : Unknown
Page : 154 pages
File Size : 50,6 Mb
Release : 1991
Category : Hydroelectric power plants
ISBN : UCSD:31822020596029
Author : U. Maione,B. Majone-Lehto,R. Monti
Publisher : CRC Press
Page : 1412 pages
File Size : 41,6 Mb
Release : 2000-01-01
Category : Science
ISBN : 9789058091383
This volume looks at recent scientific knowledge and innovative techniques concerning environmental matters. The proceedings focus on topics such as hydraulic protection of territory and defence, utilization of water resources, architecture and planning of fluival/coastal landscape and much more.
Author : Viktor Lagutov
Publisher : Springer Science & Business Media
Page : 336 pages
File Size : 42,6 Mb
Release : 2008-10-22
Category : Nature
ISBN : 9781402089244
While almost every aspect of society-nature interactions can be treated as an environmental security issue, the threats to human societies originating from inadequate freshwater management constitute one of the most wi- spread and pressing problems. For thousands of years rivers and river valleys have been the cradle of human civilizations. Rivers have provided not only food and freshwater, but also shelter and means of transportation, and they are still an essential component in every national and regional economy. In turn, growing needs of human societies, accompanied by growing abilities, have caused significant river alterations and ecosystem changes that have resulted in river contamination, biodiversity loss and general riverine ecosystem degradation. The extinction of sturgeon species is one of the most eloquent examples of the negative and irreversible influence of human society on river e- systems. The sturgeon, sometimes called the “living fossil” or living “dinosaur” of the fish world, is known to have lived since the time of the dinosaurs, for at least 250 million years, and is currently on the verge of extinction solely due to anthropogenic impacts.
Author : Stefan Schmutz,Jan Sendzimir
Publisher : Springer
Page : 571 pages
File Size : 48,5 Mb
Release : 2018-05-08
Category : Science
ISBN : 9783319732503
This open access book surveys the frontier of scientific river research and provides examples to guide management towards a sustainable future of riverine ecosystems. Principal structures and functions of the biogeosphere of rivers are explained; key threats are identified, and effective solutions for restoration and mitigation are provided. Rivers are among the most threatened ecosystems of the world. They increasingly suffer from pollution, water abstraction, river channelisation and damming. Fundamental knowledge of ecosystem structure and function is necessary to understand how human acitivities interfere with natural processes and which interventions are feasible to rectify this. Modern water legislation strives for sustainable water resource management and protection of important habitats and species. However, decision makers would benefit from more profound understanding of ecosystem degradation processes and of innovative methodologies and tools for efficient mitigation and restoration. The book provides best-practice examples of sustainable river management from on-site studies, European-wide analyses and case studies from other parts of the world. This book will be of interest to researchers in the field of aquatic ecology, river system functioning, conservation and restoration, to postgraduate students, to institutions involved in water management, and to water related industries.
Author : José Maria Santos,Isabel Boavida
Publisher : MDPI
Page : 248 pages
File Size : 49,5 Mb
Release : 2020-03-16
Category : Science
ISBN : 9783039283286
Rivers have been intensively degraded due to increasing anthropogenic impacts from a growing population in a continuously developing world. Accordingly, most rivers suffer from pressures as a result of increasing dam and weir construction, habitat degradation, flow regulation, water pollution/abstraction, and the spread of invasive species. Science-based knowledge regarding solutions to counteract the effects of river degradation, and melding principles of aquatic ecology and engineering hydraulics, is thus urgently needed to guide present and future river restoration actions. This Special Issue gathers a coherent set of studies from different geographic contexts, on fundamental and applied research regarding the integration of ecohydraulics in river restoration, ranging from field studies to laboratory experiments that can be applied to real-world challenges. It contains 13 original papers covering ecohydraulic issues such as river restoration technologies, sustainable hydropower, fish passage designs and operational criteria, and habitat modeling. All papers were reviewed by international experts in ecology, hydraulics, aquatic biology, engineering, geomorphology, and hydrology. The papers herein well represent the wide applicability of ecohydraulics in river restoration and serve as a basis to improve current knowledge and management and to reduce arguments between different interests and opinions.
Author : Anonim
Publisher : Food & Agriculture Org.
Page : 58 pages
File Size : 48,7 Mb
Release : 1994
Category : Technology & Engineering
ISBN : 9251036527
Author : Anonim
Publisher : Unknown
Page : 954 pages
File Size : 41,9 Mb
Release : 1990
Category : Fish culture
ISBN : MSU:31293010809964
Author : Anonim
Publisher : Unknown
Page : 386 pages
File Size : 44,5 Mb
Release : 1990
Category : Fish culture
ISBN : MINN:30000010623738