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Climate Change And Small Pelagic Fish

Author: Dave Checkley
Publisher: Cambridge University Press
ISBN: 0521884829
Size: 71.73 MB
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The first book to extensively address climate change effects on small pelagic fish such as anchovy, sardine, sprat, and herring.

Climate Change And The Economics Of The World S Fisheries

Author: Rögnvaldur Hannesson
Publisher: Edward Elgar Publishing
ISBN: 1845428846
Size: 69.59 MB
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To date, research on the economic implications of climate change on fisheries has been both limited and fragmented. The contributors to this volume remedy the lack of attention by investigating the economic consequences of pelagic fish fluctuations in the recent past in order to understand how to adapt and respond to future climate changes.

Climate Change Impacts On Fisheries And Aquaculture

Author: Bruce F. Phillips
Publisher: John Wiley & Sons
ISBN: 1119154073
Size: 21.76 MB
Format: PDF
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The first comprehensive review of the current and future effects of climate change on the world’s fisheries and aquaculture operations The first book of its kind, Climate Change Impacts on Fisheries and Aquaculture explores the impacts of climate change on global fisheries resources and on marine aquaculture. It also offers expert suggestions on possible adaptations to reduce those impacts. The world's climate is changing more rapidly than scientists had envisioned just a few years ago, and the potential impact of climate change on world food production is quite alarming. Nowhere is the sense of alarm more keenly felt than among those who study the warming of the world's oceans. Evidence of the dire effects of climate change on fisheries and fish farming has now mounted to such an extent that the need for a book such as this has become urgent. A landmark publication devoted exclusively to how climate change is affecting and is likely to affect commercially vital fisheries and aquaculture operations globally, Climate Change Impacts on Fisheries and Aquaculture provides scientists and fishery managers with a summary of and reference point for information on the subject which has been gathered thus far. Covers an array of critical topics and assesses reviews of climate change impacts on fisheries and aquaculture from many countries, including Japan, Mexico, South Africa, Australia, Chile, US, UK, New Zealand, Pacific Islands, India and others Features chapters on the effects of climate change on pelagic species, cod, lobsters, plankton, macroalgae, seagrasses and coral reefs Reviews the spread of diseases, economic and social impacts, marine aquaculture and adaptation in aquaculture under climate change Includes special reports on the Antarctic Ocean, the Caribbean Sea, the Arctic Ocean and the Mediterranean Sea Extensive references throughout the book make this volume both a comprehensive text for general study and a reference/guide to further research for fisheries scientists, fisheries managers, aquaculture personnel, climate change specialists, aquatic invertebrate and vertebrate biologists, physiologists, marine biologists, economists, environmentalist biologists and planners.

The Economics Of Adapting Fisheries To Climate Change

Author: OECD
Publisher: OECD Publishing
ISBN: 926409041X
Size: 10.26 MB
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This book highlights the economic and policy aspects of adapting fisheries to climate change, including strengthening global governance; a broader use of rights-based management; ecosystem protection; the ending of environmental harmful subsidies and use of aquaculture.

Effects Of Changing Nutrient Inputs On The Ratio Of Small Pelagic Fish Stock And Phytoplankton Biomass In The Black Sea

Author:
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ISBN:
Size: 58.57 MB
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Abstract: Significant increases in nitrogen and phosphorus inputs to the Black Sea in the second half of the 20th century caused eutrophication and drastically decreasing Si:N and Si:P ratios. Combined with climate change, overfishing of top predators and a huge outbreak of the non-indigenous ctenophore Mnemiopsis, the pelagic food web was strongly modified and its efficiency for channeling primary production to higher trophic levels substantially reduced. We used the ratio between small pelagic fish stock and phytoplankton biomass on the Danube shelf and in the open Black Sea to investigate long-term changes in food web functioning. The ratio had 1) highest values for the pre-eutrophication period when diatoms and copepods dominated the pelagic food web ('muscle food chain'), 2) decreased during the eutrophication period with stronger prevalence of autotrophic pico- and nanophytoplankton, bacteria, heterotrophic nanoflagellates, microzooplankton, Noctiluca and jellyfish ('jelly food chain' with increased importance of the microbial loop), 3) lowest values during the ecological crisis (1989–1992), when small pelagic fish stocks collapsed, and 4) increased after 1993, indicating that the ecosystem went out of the crisis and exhibited a trend of recovery. However, in the last period (1993–2008) the ratio remained close to values observed in the middle eutrophication phase, suggesting that the ecosystem was far from fully recovered. Since early 2000s, fluctuating pelagic fish stocks, with a tendency to decreasing fish landing again, have been observed in the Black Sea. Additionally, the quality of food for the small pelagic fish has deteriorated due to warming trends and the legacy of eutrophication, giving support for the 'jelly food chain', exhibiting low energy transfer and prevalence of organisms with high respiration rate and low nutritional value.

Recent Advances And Issues In Oceanography

Author: C. Reid Nichols
Publisher: Greenwood Publishing Group
ISBN: 9781573564069
Size: 16.10 MB
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This volume describes and evaluates the major current research developments in the ocean sciences. Topics include advances in measuring ocean phenomena from space, ^Iin situ^R instruments, and the development of fully integrated observing systems that allow investigators to take environmental snapshots of areas that must be monitored in order to protect property and save lives. The authors emphasize that today's successful oceanographic programs rely on multidisciplinary, integrated, and task-organized teams of varying professionals, marine technicians, and oceanographers. Also discussed are the World Wide Web, distributed databases, and computer models that allow research and operational oceanographers to share information to build useful products and make new discoveries.