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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

The insidious effect of diatoms on copepod reproduction

Article Abstract:

It has been possible to isolate three antiproliferative compounds inducing low hatching rates from the diatoms Thalassiosira rotula, Skeletonema costatum and Pseudo-nitzschia delicatissima. The anti-cell growth activity of diatom aldehydes was tested on three animal models. Diatom blooms are widely seen as the base of the food chain involving copepods and leading to fish. However, closer analysis of plankton seasonal cycles show that the bulk of annual copepod recruitment takes place in the post-bloom phase.

Author: Ianora, A., Miralto, A., Buttino, I., Romano, G., Poulet, S.A., Barone, G., Russo, G.L., Mazzarella, G., Laabir, M., Cabrini, M., Giacobbe, M.G.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999

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Photosynthetic architecture differs in coastal and oceanic diatoms

Article Abstract:

A fundamental difference between a coastal and an oceanic diatom in their photosynthetic architecture is presented using laboratory-cultured model species. The experiments conclude that the iron requirements of diatoms, and probably those eukaryotic algae, are determined largely by their underlying photosynthetic architecture.

Author: Harrison, Paul J., Strzepek, Robert F.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
Photosynthesis

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Spatial scaling of microbial eukaryote diversity

Article Abstract:

The study presents quantitative estimates of microbial community turnover at local and regional scales using the largest spatially explicit microbial diversity data set available. Further, it presents the way in which turnover patterns can be used to project taxa-area relationships up to whole continents.

Author: Holmes, Andrew J., Green, Jessica L., Westoby, Mark; Beattie, Andrew J., Oliver, Ian; Gillings, Michael, Briscoe, David; Dangerfield, Mark
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
Biological diversity, Biodiversity

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Subjects list: Research, Diatoms, United States, Eukaryotes
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