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Deep-sea Food Chains and the Global Carbon Cycle - Proceedings of the NATO Advanced Research Workshop on Deep-sea Food Chain and Their Relation to the Global Carbon Cycles, Held in College Station, Texas, U.S.A., April 2-6, 1991 (Hardcover)
Loot Price: R2,482
Discovery Miles 24 820
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Deep-sea Food Chains and the Global Carbon Cycle - Proceedings of the NATO Advanced Research Workshop on Deep-sea Food Chain and Their Relation to the Global Carbon Cycles, Held in College Station, Texas, U.S.A., April 2-6, 1991 (Hardcover)
Series: NATO Science Series C, 360
Expected to ship within 12 - 17 working days
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Carbon dioxide and other "greenhouse" gases are increasing in the
atmosphere due to the burning of fossil fuels, the destruction of
rain forests, etc, leading to predictions of a gradual global
warming which will perturb the global biosphere. An important
process which counters this trend toward potential climate change
is the removal of carbon dioxide from the surface ocean by
photosynthesis. This process packages carbon in phytoplankton which
enter the food chain or sink into the deep sea. Their ultimate fate
is a "rain" or organic debris out of the surface-mixed layer of the
ocean. On a global scale, the mechanisms and overall rate of this
process are relatively little known. The authors of the 25 papers
in this volume present their state-of-the-art approaches to
quantifying the mechanisms by which the "rain" of biogenic debris
nourishes deep ocean life. Prominent deep sea ecologists,
geochemists and modellers address relationships between data and
models of carbon fluxes and food chains in the deep ocean. An
attempt is made to estimate the fate of carbon in the deep sea on a
global scale by summing up the utilization of organic matter among
all the populations of the abyssal biosphere. Comparisons are made
been these ecological approaches and estimates of geochemical
fluxes based on sediment trapping, one-dimensional geochemical
models and horizontal (physical) input from continental margins.
Planning interdisciplinary enterprises between geochemists and
ecologists, including new field programmes, are summarized in the
final chapter. The summary includes a list of the important gaps in
understanding which must addressed before the role of the deep-sea
biota in global-scale processes can be put in perspective.
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