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Author: Ian G. Cowx Publisher: John Wiley & Sons ISBN: 047099536X Category : Technology & Engineering Languages : en Pages : 384
Book Description
The interactions between wild bird populations (many protected by law) and fish, particularly those under commercial culture or part of a fishery is subject of much controversy. Ecological, environmental and conservation pressures run alongside commercial pressures on exploited fish populations. This exciting book draws together contributions from all over the world to provide a fascinating insight into many case studies and conflicts in managed situations as well as looking at the overall ecology of such interactions in normal un-managed ecosystems.
Author: Ian G. Cowx Publisher: John Wiley & Sons ISBN: 047099536X Category : Technology & Engineering Languages : en Pages : 384
Book Description
The interactions between wild bird populations (many protected by law) and fish, particularly those under commercial culture or part of a fishery is subject of much controversy. Ecological, environmental and conservation pressures run alongside commercial pressures on exploited fish populations. This exciting book draws together contributions from all over the world to provide a fascinating insight into many case studies and conflicts in managed situations as well as looking at the overall ecology of such interactions in normal un-managed ecosystems.
Author: Victoria Braithwaite Publisher: OUP Oxford ISBN: 0191613967 Category : Sports & Recreation Languages : en Pages : 208
Book Description
While there has been increasing interest in recent years in the welfare of farm animals, fish are frequently thought to be different. In many people's perception, fish, with their lack of facial expressions or recognisable communication, are not seen to count when it comes to welfare. Angling is a major sport, and fishing a big industry. Millions of fish are caught on barbed hooks, or left to die by suffocation on the decks of fishing boats. Here, biologist Victoria Braithwaite explores the question of fish pain and fish suffering, explaining what we now understand about fish behaviour, and examining the related ethical questions about how we should treat these animals. She asks why the question of pain in fish has not been raised earlier, indicating our prejudices and assumptions; and argues that the latest and growing scientific evidence would suggest that we should widen to fish the protection currently given to birds and mammals.
Author: Gene Helfman Publisher: JHU Press ISBN: 142140222X Category : Nature Languages : en Pages : 198
Book Description
One fish, two fish, red fish, nearly thirty thousand species of fish -- or fishes, as they are properly called when speaking of multiple species. This is but one of many things the authors of this fascinatingly informative book reveal in answering common and not-so-common questions about this ubiquitous group of animals. Fishes range in size from tiny gobies to the massive Ocean Sunfish, which weighs thousands of pounds. They live in just about every body of water on the planet. Ichthyologists Gene Helfman and Bruce Collette provide accurate, entertaining, and sometimes surprising answers to over 100 questions about these water dwellers, such as "How many kinds of fishes are there?" "Can fishes breathe air?" "How smart are fishes?" and "Do fishes feel pain?" They explain how bony fishes evolved, the relationship between them and sharks, and why there is so much color variation among species. Along the way we also learn about the Devils Hole Pupfish, which has the smallest range of any vertebrate in the world; Lota lota, the only freshwater fish to spawn under ice; the Candiru, a pencil-thin Amazonian catfish that lodges itself in a very personal place of male bathers and must be removed surgically; and many other curiosities. With over 100 photographs -- including two full-color photo galleries -- and the most up-to-date facts on the world's fishes from two premier experts, this fun book is the perfect bait for any curious naturalist, angler, or aquarist.
Author: Publisher: ISBN: 9781921504556 Category : Children's stories Languages : en Pages : 30
Book Description
Fishes come in all sorts of shapes, colours and sizes. Any many of them can do amazing things! Can you imagine fish that leap and glide, fish that crawl on land and fish with flashing lights? They're all here in Fabulous Fishes!
Author: David H. Secor Publisher: JHU Press ISBN: 1421416123 Category : Nature Languages : en Pages : 305
Book Description
A synthetic treatment of all marine fish taxa (teleosts and elasmobranchs), this book employs explanatory frameworks from avian and systems ecology while arguing that migrations are emergent phenomena, structured through schooling, phenotypic plasticity, and other collective agencies. The book provides overviews of the following concepts: The comparative movement ecology of fishes and birds; The alignment of mating systems with larval dispersal; Schooling and migration as adaptations to marine food webs; Natal homing; Connectivity in populations and metapopulations; The contribution of migration ecology to population resilience
Author: Ian G. Cowx
Author: Ian G. Cowx
Author: Ruth Prawer Jhabvala
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Author: Brian Wildsmith
Author: Victoria Braithwaite
Author: Gene Helfman
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Author: Esq. Charles MACKENZIE
Author: David H. Secor
Author: John Bigland