[permaculture-oceania] Fwd: Shutting Down the Oceans. Act II: Abrupt Plankton Shifts

[Robyn Williamson]

Begin forwarded message:

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> ISIS Press Release 28/07/06
>
> Shutting Down the Oceans Act II: Abrupt Plankton Shifts
>
> Global warming has seriously disrupted plankton growth and
> growth cycles, putting the entire marine food web at risk.
> Dr. Mae-Wan Ho
>
> The importance of plankton watching
>
> The Sir Alister Hardy Foundation for Ocean Science (SAHFOS)
> in Plymouth UK has been collecting data on plankton from the
> North Atlantic and the North Sea since 1931 [1]. The survey
> is named after an instrument, the Continuous Plankton
> Recorder (CPR), invented by Sir Alister Hardy, a brilliant
> marine biologist, perhaps better known to the public for his
> theory that humans evolved in the sea. He may still be right
> about human evolution, but it is his work on zooplankton and
> his foresight in establishing the CPR survey that should
> receive the highest accolade. The CRP survey is the longest
> running, large-scale marine biological survey in the world.
>
> The CRP is towed by merchant ships on a number of designated
> shipping routes at a depth of about 10 m, collecting
> plankton on silk filters en route that are counted and
> analysed in the laboratory afterwards to generate a
> database, which now contains details on 400 species of
> plankton found in over 170 000 samples taken since 1946.
> This database has provided excellent material for
> researchers studying climate change and the impact of
> climate change on marine organisms.
>
> SAHFOS researchers Anthony Richardson and Martin Edwards,
> and marine ecologist David Shoeman at the University of Port
> Elizabeth in South Africa, are among the scientists
> analysing this data most recently who have discovered abrupt
> changes in the plankton populations in the northeast
> Atlantic within the past decades that may have radically
> disrupted the food web, including commercial fisheries.
>
>
>
>
>
> Read the rest of this article here
> http://www.i-sis.org.uk/AbruptPlanktonShifts.php
>
> This is the fourth in an seven part ISIS series on the oceans.
> Previous articles in the series:
> 20/7/06 Oceans In Distress
> http://www.i-sis.org.uk/OceansInDistress.php
> 21/7/06 Oceans and Global Warming
> http://www.i-sis.org.uk/OceansGlobalWarming.php
> 25/7/06 Oceans Carbon Sink or Source
> http://www.i-sis.org.uk/OceanCarbonSink.php
> 28/7/06 Abrupt Plankton Shifts
> http://www.i-sis.org.uk/AbruptPlanktonShifts.php
>
> The rest will be released next week
> Titles of upcoming articles include:
> Plankton and Global Warming; Snuffing Out the Green Fuse
> The Blue Revolution; Air Conditioning and Energy From Deep Water
>
>
>
> Or read other articles in the Global Warming and
> environment sections of the Institute of Science in Society
> Website
> http://www.i-sis.org.uk/climateglobalwarming.php
> http://www.i-sis.org.uk/scienv.php
>
> ========================================================
> This article can be found on the I-SIS website at
> http://www.i-sis.org.uk/AbruptPlanktonShifts.php
>
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CONTACT DETAILS:

Robyn Williamson
Permaculture Design Consultant
Urban Horticulturist
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NORTH WESTERN SYDNEY COMMUNITY SEED SAVERS
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http://www.seedsavers.net
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