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Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 180 pages
File Size : 50,5 Mb
Release : 2001
Category : Business & Economics
ISBN : 9251046948
The importance of free longitudinal passage of river fauna is stressed.
Author : Anonim
Publisher : Unknown
Page : 724 pages
File Size : 51,6 Mb
Release : 2006
Category : Fish culture
ISBN : UCSD:31822009351230
Author : Mary Katherine Politz,Deborah T. Hanfman,Eileen McVey
Publisher : Unknown
Page : 182 pages
File Size : 51,6 Mb
Release : 1990
Category : Aquaculture
ISBN : UOM:39015019442352
Author : Université de Toulouse. Station de pisciculture et d'hydrobiologie
Publisher : Unknown
Page : 566 pages
File Size : 46,8 Mb
Release : 1904
Category : Fish culture
ISBN : UOM:39015068571507
"Bibliographie aquicole par R. de Drouin de Bouville", in each number of new series (except no. 6)
Author : Université de Toulouse. Station de pisciculture et d'hydrobiologie
Publisher : Unknown
Page : 388 pages
File Size : 55,5 Mb
Release : 1908
Category : Fish culture
ISBN : WISC:89008996175
Author : Julian Reynolds,Catherine Souty-Grosset
Publisher : Cambridge University Press
Page : 399 pages
File Size : 55,6 Mb
Release : 2011-11-10
Category : Nature
ISBN : 9781139502160
Integrating research into freshwater biodiversity and the role of keystone species, this fascinating book presents freshwater crayfish as representatives of human-exacerbated threats to biodiversity and conservation. It uses examples from these and other large decapod invertebrates to explore how communities function and are controlled, alongside the implications of human demands and conflicts over limited resources, notably the severe impacts on biodiversity. The discussion is structured around three key topics – the present situation of crayfish in world freshwater ecosystems, the applications of science to conservation management and knowledge transfer for successful crayfish management. It outlines the historic exploitation of crayfish, addressing the problems caused by invasive alien forms and explaining the importance of correct identification when dealing with conservation issues. Offering a global perspective on freshwater systems, the book ultimately highlights how the conservation of such large and long-lived species will help protect ecosystem quality in the future.
Author : Anonim
Publisher : Unknown
Page : 368 pages
File Size : 51,6 Mb
Release : 1905
Category : Aquaculture
ISBN : UIUC:30112051739750
Author : Université de Toulouse. Station de pisciculture et d'hydrobiologie
Publisher : Unknown
Page : 620 pages
File Size : 45,5 Mb
Release : 1904
Category : Fish-culture
ISBN : UCAL:B3025375
"Bibliographie aquicole par R. de Drouin de Bouville", in each number of new series (except no. 6)
Author : M. Jobling,C. Carter
Publisher : CABI
Page : 705 pages
File Size : 40,5 Mb
Release : 2010
Category : Science
ISBN : 9781845937522
There is considerable global interest in the culture of finfish species both for cold and warm water aquaculture development and growth. Essential information on the biology, domestication and aquacultural characteristics of a wide selection of novel and established species is provided in the form of technical sheets, species descriptions and information on current rearing practices, making this a must-have reference in the field of aquacultural science. The book also offers a basic framework in order to support investment strategies for research and developement efforts aimed at the emergence of a profitable finfish aquaculture industry and presents a rationale for species diversification, different approaches to species selection and basic economical and market considerations governing the launch of strategic development and commercialization efforts.
Author : Vladica Simić,Snežana Simić,Vladimir Pešić
Publisher : Springer Nature
Page : 714 pages
File Size : 40,9 Mb
Release : 2023-12-31
Category : Science
ISBN : 9783031369261
This book provides a detailed evaluation of the hydro-ecological characteristics of the Western Balkans, an area characterized by still preserved inland waters and fish resources important for the European continent, as well as the biodiversity of inland waters important for the planet Earth. Freshwater ecosystems cover only 1% of the Earth's surface; however, they are a habitat for about 40% of fish species. At the same time, inland fisheries make less than 12% of the world's global fish catch, with 43% coming from low-income and food-deficient countries (Africa, South America, Southeast Asia). In Europe, the Western Balkans have significant fishing waters and fish resources, including the Middle Danube drainage (Sava, Drina, Velika Morava river systems), large ancient lakes (Skadar/Shkodra, Ohrid, Prespa, Dojran), and the Adriatic basin characterized by endemic and commercially important species. However, in contrast to the high fishing potential in a significant part of the Western Balkans, diverse and specific political, economic, and social factors largely had a negative impact on the state of fish resources. This volume is multidisciplinary and provides a sound knowledge base for scientific and practical fisheries. In addition, it may be a valuable guide for managers and conservationists worldwide to adapt methods and procedures for the ecological sustainability of fish resources under specific local, natural, and socio-economic conditions. Finally, the content is a good reference for natural sciences and agriculture students studying fish, fish resources, and fisheries sciences. It would improve their knowledge and perspectives on the challenges of sustainable use and conservation of inland water resources.
Author : Ryoichi Arai
Publisher : Springer Science & Business Media
Page : 345 pages
File Size : 54,8 Mb
Release : 2011-06-26
Category : Science
ISBN : 9784431538776
As the largest group of extant vertebrates, fish offer an almost limitless number of striking examples of evolutionary adaptation to environmental and biotic selection pressure. The most diverse of all vertebrate groups, the higher taxa of fish traditionally have been classified by morphology and paleontology, with a much smaller input of cytogenetic information. DNA sequence data are exerting an increasingly strong influence on modern fish systematics, challenging the classification of numerous higher taxa ranging from genera to orders. The most fruitful approach, however, involves synthetic analyses of morphology, molecular phylogenetics, comparative karyology, and genome size. Karyotypes of more than 3400 species/subspecies are arranged here by fish systematics and include a list of genome size, sex chromosomes, B chromosomes, polyploidy, and locality of material fish, among others. This volume enables both beginners and advanced researchers to survey the existing literature and facilitates the implementation of an integrative approach to fish systematics. The first book on fish chromosomes in nearly 15 years, it is also the most comprehensive.
Author : Robert A. Francis
Publisher : Routledge
Page : 460 pages
File Size : 55,6 Mb
Release : 2012-03-12
Category : Science
ISBN : 9781136461255
Invasive non-native species are a major threat to global biodiversity. Often introduced accidentally through international travel or trade, they invade and colonize new habitats, often with devastating consequences for the local flora and fauna. Their environmental impacts can range from damage to resource production (e.g. agriculture and forestry) and infrastructure (e.g. buildings, road and water supply), to human health. They consequently can have major economic impacts. It is a priority to prevent their introduction and spread, as well as to control them. Freshwater ecosystems are particularly at risk from invasions and are landscape corridors that facilitate the spread of invasives. This book reviews the current state of knowledge of the most notable global invasive freshwater species or groups, based on their severity of economic impact, geographic distribution outside of their native range, extent of research, and recognition of the ecological severity of the impact of the species by the IUCN. As well as some of the very well-known species, the book also covers some invasives that are emerging as serious threats. Examples covered include a range of aquatic and riparian plants, insects, molluscs, crustacea, fish, amphibians, reptiles and mammals, as well as some major pathogens of aquatic organisms. The book also includes overview chapters synthesizing the ecological impact of invasive species in fresh water and summarizing practical implications for the management of rivers and other freshwater habitats.
Author : Ian G. Cowx
Publisher : John Wiley & Sons
Page : 458 pages
File Size : 48,5 Mb
Release : 2008-04-30
Category : Technology & Engineering
ISBN : 9780470695272
In this edited work, international experts in fisheries management and ecology review and appraise the status of river fisheries, assessment methodology, constraints on development, issues and options regarding management and associated problems in both temperate and tropical countries. Recommendations are made to improve management and an attempt is made to provide guidelines for formulating policy, for planning methodology and for evaluating future activities. Assessment of fish community structure and dynamics. Factors constraining stock recruitment. Fish habitat requirements. Instream flow needs. Impact of water resource schemes. Rehabilitation of river fisheries. Enhancement of fish stocks. Exploitation of stocks. Management of migratory fish stocks. Conservation of endangered species. Integrated river management. Bioeconomic issues. Legislation. Multinational management of rivers. Case studies.
Author : Arne Jernelöv
Publisher : Springer
Page : 296 pages
File Size : 48,6 Mb
Release : 2017-05-07
Category : Technology & Engineering
ISBN : 9783319553962
This book examines the long-term fate of invasive species by detailing examples of invaders from different zoological and botanical taxa from various places around the world. Readers will discover what happened, after a century or so, to 'classical' invaders like rabbits in Australia, house sparrows in North America, minks in Europe and water hyacinths in Africa and Asia. Chapters presented in the book focus on eighteen species in the form of in-depth case studies including: earthworms, zebra mussels, Canadian water weed, Himalayan balsam, house sparrows, rabbits, crayfish plague, Colorado beetles, water hyacinths, starlings, Argentine ant, Dutch elm disease, American mink, cane toad, raccoons, Canadian beavers, African killer bees and warty comb jelly. Invaded areas described are in Africa, Asia, Australia, Europe, North America, Pacific islands, and South America. Readers will get some ideas about the likely future of current invaders from the fate of old ones. This book is intended for undergraduates studying environmental sciences, researchers and members of environmental NGO's.
Author : Université de Toulouse. Station de pisciculture et d'hydrobiologie
Publisher : Unknown
Page : 482 pages
File Size : 40,7 Mb
Release : 1908
Category : Fish-culture
ISBN : UIUC:30112027906277
"Bibliographie aquicole par R. de Drouin de Bouville", in each number of new series (except no. 6)