The Structure And Evolution Of Plankton Communities
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The Structure And Evolution Of Plankton Communities
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Author : A. R. Longhurst
language : en
Publisher:
Release Date : 1985
The Structure And Evolution Of Plankton Communities written by A. R. Longhurst and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Plankton categories.
The Structure And Evolution Of Plankton Communities
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Author : Alan R. Longhurst
language : en
Publisher:
Release Date : 1985
The Structure And Evolution Of Plankton Communities written by Alan R. Longhurst and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Deep-sea ecology categories.
The Structure And Evolution Of Plankton Communities Suivi De The Ecology Of The Deep Sea Benthic And Benthopelagic Fish On The Slopes Of The Rockall Trough Northeastern Atlantic
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Author :
language : en
Publisher:
Release Date : 1985
The Structure And Evolution Of Plankton Communities Suivi De The Ecology Of The Deep Sea Benthic And Benthopelagic Fish On The Slopes Of The Rockall Trough Northeastern Atlantic written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
Evolution And Ecology Of Zooplankton Communities
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Author : W. Charles Kerfoot
language : en
Publisher:
Release Date : 1980
Evolution And Ecology Of Zooplankton Communities written by W. Charles Kerfoot and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.
How Do Ecological And Evolutionary Dynamics Interact Together And With The Environment To Shape The Structure Of Oceanic Plankton Communities
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Author : Boris Sauterey
language : en
Publisher:
Release Date : 2014
How Do Ecological And Evolutionary Dynamics Interact Together And With The Environment To Shape The Structure Of Oceanic Plankton Communities written by Boris Sauterey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Recent global ocean circulation models integrate phytoplankton ecology in a relatively detailed manner, accounting for a variety of plankton functional types or even species-level variability (Follows et al. 2007). Such models have demonstrated the importance of ecological detail (in terms of functional composition) for global biogeochemical cycles and possible positive feedbacks between marine ecosystems and climate change (Cermeho and Falkowski 2009). An open question today is : does phytoplankton (and zooplankton) evolution accelerate or mitigate the impact of climate change on the global carbon cycle ? Answering this question is beyond the scope of this thesis, and the work in this thesis should be seen as a first step in this direction. Before being able to answer to the above question, a more fundamental topic needs to be addressed: how do evolution and ecology interact to shape the ecological communities living in the highly complex and temporally forced environment that is the ocean? And a derived, more applied question is: can we obtain a plausible description of the complex food webs in such contexts, without accounting for evolution? Otherwise stated, how reliable is the currently used methodology for simulating the emergence of complex food webs through community assembly, based on the non-adaptive paradigm of "everything is everywhere, but the environment selects"? In order to answer these questions, the more specific objective of my thesis is to extend an existing global circulation model (the MITgcm, Follows et al. 2007; Ward et al. 2012, 2013) in order to allow for the simulation of adaptation of phytoplankton traits.
The Structure Of Plankton Communities
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Author : John H. Steele
language : en
Publisher:
Release Date : 1976
The Structure Of Plankton Communities written by John H. Steele and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Plankton categories.
Spatial Pattern In Plankton Communities
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Author : John H. Steele
language : en
Publisher: Springer
Release Date : 2014-07-08
Spatial Pattern In Plankton Communities written by John H. Steele and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-08 with Science categories.
The planning for the conference held at Erice, Sicily, in November 1977, began with discussions among oceanographers from several countries on the need to consider the special problems and the recent results in the study of plankton "patchiness. " An approach to the Marine Sciences Panel of the NATO Science Committee resulted in a planning grant to determine the probable content and participation in such a meeting. The planning group consisted of B. Battaglia (Padua), G. E. B. Kullenberg (Copenhagen), A. Okubo (New York), T. Platt (Halifax, Nova Scotia) and J. H. Steele (Aberdeen). The group met in Aberdeen, Scotland, in September 1976. The proposal for a NATO School on the subject of "Spatial Pattern in Plankton Communities" was accepted by the Marine Science Panel and it was agreed that it be held at the Ettore Majorana Centre for Scientific Culture in Erice. The Centre began in 1963 with an International School of Subnuclear Physics and has since developed to include courses in many other subjects which cover various fields of basic and applied research. The original aim of the . Centre was to create, in Italy, a cultural forum of high scientific standard which would allow young research workers to appreciate problems currently of major interest in various fields of research.
Evolution Of Primary Producers In The Sea
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Author : Paul Falkowski
language : en
Publisher: Academic Press
Release Date : 2011-08-31
Evolution Of Primary Producers In The Sea written by Paul Falkowski and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-31 with Science categories.
Evolution of Primary Producers in the Sea reference examines how photosynthesis evolved on Earth and how phytoplankton evolved through time – ultimately to permit the evolution of complex life, including human beings. The first of its kind, this book provides thorough coverage of key topics, with contributions by leading experts in biophysics, evolutionary biology, micropaleontology, marine ecology, and biogeochemistry.This exciting new book is of interest not only to students and researchers in marine science, but also to evolutionary biologists and ecologists interested in understanding the origins and diversification of life. Evolution of Primary Producers in the Sea offers these students and researchers an understanding of the molecular evolution, phylogeny, fossil record, and environmental processes that collectively permits us to comprehend the rise of phytoplankton and their impact on Earth's ecology and biogeochemistry. It is certain to become the first and best word on this exhilarating topic. Discusses the evolution of phytoplankton in the world's oceans as the first living organisms and the first and basic producers in the earths food chain Includes the latest developments in the evolution and ecology of marine phytoplankton specifically with additional information on marine ecosystems and biogeochemical cycles The only book to consider of the evolution of phytoplankton and its role in molecular evolution, biogeochemistry, paleontology, and oceanographic aspects Written at a level suitable for related reading use in courses on the Evolution of the Biosphere, Ecological and Biological oceanography and marine biology, and Biodiversity
Response Of Plankton Communities To Ocean Warming And Acidification In The Nw Mediterranean Sea
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Author : Laure Maugendre
language : en
Publisher:
Release Date : 2014
Response Of Plankton Communities To Ocean Warming And Acidification In The Nw Mediterranean Sea written by Laure Maugendre and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Plankton plays a key role in the global carbon cycle. It is therefore important to projectthe evolution of plankton community structure and function in a future high-CO2 world.Several experimental results reported at the community level have shown increased rates ofprimary production as a function of increasing pCO2 and few multi-driver experiments havebeen performed. However, the great majority of these experiments have been performedunder high natural or nutrient-enriched conditions and very few data are available in areaswith naturally low levels of nutrient and chlorophyll i.e. oligotrophic areas such as theMediterranean Sea, although they represent a large and expanding part of the ocean surface.Several approaches have been used during this thesis to investigate the effects ofocean warming and acidification on plankton communities in the NW Mediterranean Sea.One approach, restricted to the investigation of ocean acidification effects alone, was the useof mesocosms. In the Bay of Calvi (experiment #1; summer 2012 during 22 days), thecommunity was very efficient in recycling nutrients and showed important regeneratedproduction while in the Bay of Villefranche (experiment #2; winter/spring 2013 during 11days) the community was characterized by a more autotrophic state and larger newproduction. A third experiment was set-up to investigate the combined effects of oceanacidification and warming in small containers in the Bay of Villefranche (experiment #3;March 2012; post-bloom conditions).All experiments were conducted under low nutrient conditions with communitiesdominated by small species (e.g. haptophytes, cyanobacteria, chlorophytes). During the thirdexperiment, biomass of populations decreased throughout the experiment (12 days), exceptcyanobacteria (mostly Synechococcus spp.) that significantly increased during that period.This increase was even more pronounced under elevated temperature, albeit the combinationwith elevated pCO2 tended to limit this effect. For the three experiments, ocean acidificationalone had no effect on any of the metabolic processes, irrespective of the methods used (O2-LD, as well as 18O, 13C and 14C labelling) while during the multi-driver experiment #3, oceanwarming led to enhanced gross primary production as measured by the 18O labellingtechnique. Specific biomarkers, polar lipid fatty acids, were used in combination with 13Clabelling to assess group primary production rates. This confirmed that ocean acidificationalone did not favour any phytoplankton group under our experimental conditions.Based on our findings and on an extensive literature review, it appears that most (57%) of the experiments performed to date have shown no effect of ocean acidification alonewhile ocean warming seem to have an effect on plankton composition and production.Furthermore, plankton biomass in ecosystems dominated by small phytoplankton speciesappears insensitive to elevated CO2. It remains, for the moment, impossible based on thesefindings to provide a general concept on the effect of ocean acidification on planktoncommunities. However, it appears that ocean acidification will likely not lead to increasedbiomass and primary production rates for most communities, as it was previously anticipated.Furthermore, although warming will likely lead to increased primary production, it appearsthat small species with a low capacity for export will be favoured. If this proves to be awidespread response, plankton will not help mitigating atmospheric CO2 increase through anenhancement of the biological pump.
Coastal Lagoons
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Author : Michael J. Kennish
language : en
Publisher: CRC Press
Release Date : 2010-06-15
Coastal Lagoons written by Michael J. Kennish and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-15 with Computers categories.
Written by an outstanding group of contributors, this book examines the function and structure of coastal lagoonal ecosystems and the natural and anthropogenic drivers of change that affect them, most notably nutrient over-enrichment from coastal watersheds and airsheds. The contributors target the susceptibility of coastal lagoons to eutrophication, the indicators of eutrophic conditions, the influences of natural factors such as major storms and other climate effects, and the resulting biotic and ecosystem impairments that have developed. The book compares biogeochemical and ecological response to nutrient enrichment and other pollutants in lagoonal estuaries to those in other estuarine types.