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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Marine cyanobacteria in tropical regions: diversity and ecology Hoffmann, L. (1999). Marine cyanobacteria in tropical regions: diversity and ecology. Eur. J. Phycol. 34(4): 371-379. http://dx.doi.org/10.1080/09670269910001736432 In: European Journal of Phycology. Cambridge University Press/Taylor & Francis: Cambridge. ISSN 0967-0262; e-ISSN 1469-4433, meer

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Beschikbaar in	Auteur
VLIZ: Open access 255181 [ download pdf ]

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Trefwoorden

Biodiversity Chemical reactions > Nitrogen fixation Cyanobacteria Geography > Biogeography Tropics Cyanobacteria [WoRMS] Marien/Kust

Author keywords

Secondary metabolites

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Auteur		Top
Hoffmann, L., meer

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Abstract

Tropical marine ecosystems are characterized by a specific cyanobacterial flora, temperature most probably being the major factor limiting the geographic distribution of the species. When compared with the open ocean, the highest biodiversity of cyanobacteria is observed in the littoral zones where they form intertidal and infralittoral mats, live as endoliths in carbonate substrates or form symbiotic associations, especially with sponges and ascidians. Their diversity, which especially in the less accessible infralittoral is still largely unknown, is also a source of diverse bioactive compounds, some of which are important as herbivore deterrents. As photosynthetic organisms, cyanobacteria sensu lato (including Prochlorophyta) are important contributors to benthic and open ocean primary production, but their main role in the tropical marine ecosystems appears to be as nitrogen fixers. Of primary importance in the often oligotrophic tropical oceans is the nonheterocystous, planktonic bloom-forming Trichodesmium, which probably represents a major nitrogen source for the marine and global nitrogen cycle.

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