Analysis of plankton in the southern Great Barrier Reef: abundance and roles in throphodynamics

Sorokin, Yu I. and Sorokin, P. Yu (2009) Analysis of plankton in the southern Great Barrier Reef: abundance and roles in throphodynamics. Journal of the Marine Biological Association of the United Kingdom, 89 2: 235-241. doi:10.1017/S0025315409003063


Author Sorokin, Yu I.
Sorokin, P. Yu
Title Analysis of plankton in the southern Great Barrier Reef: abundance and roles in throphodynamics
Journal name Journal of the Marine Biological Association of the United Kingdom   Check publisher's open access policy
ISSN 0025-3154
Publication date 2009-03
Sub-type Article (original research)
DOI 10.1017/S0025315409003063
Volume 89
Issue 2
Start page 235
End page 241
Total pages 7
Place of publication United Kingdom
Publisher Cambridge University Press
Language eng
Formatted abstract
Wet biomass of principal plankton components and whole plankton standing stock were assessed in waters of the Heron Island ring reef and surrounding deep lagoon. Biomass of phytoplankton ranged between 30 to 120 mg m−3, without its pronounced depletion over the reef shallows. Picocyanobacteria and prochlorophyte algae contributed over 70% of this biomass. Biomass of bacterioplankton varied between 75 to 340 mg m−3, with its maximum over the reef flat. Biomass of planktonic protozoa's ciliates and zooflagellates ranged between 20 to 110 mg m−3. The daytime biomass of zooplankton varied between 490 to 1590 mg m−3 in the deep lagoon in the zone of intense tidal currents. Over the reef shallows, it was 10–20 mg m−3. At night, it rose there up to 800 to 4000 mg m−3 as the result of emerging demersal zooplankton from the benthic substrates. The time scale of nocturnal emerging by different taxa was also documented. Biomass of whole demersal zooplankton communities hiding by the daytime in bottom substrates at the reef flat was found to be over 100 g m−2. Problems of nutrition planktivore reef fauna related to the plankton production and abundance are discussed
Keyword Reef
Microplankton
Bacterioplankton
Mesoplankton
Trophodynamics
Demersals
Heron reef
Coral-reef
Phytoplankton Biomass
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemical Engineering Publications
 
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Created: Fri, 04 Sep 2009, 10:29:07 EST