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Temporal changes in the abundance, leaf growth and photosynthesis of three co-occurring Philippine seagrasses

AuthorsAgawin, Nona S. R. ; Duarte, Carlos M. ; Fortes, Miguel D.; Uri, J. S.; Vermaat, Jan E.
Issue Date2001
CitationJournal of Experimental Marine Biology and Ecology 260: 217- 239 (2001)
AbstractThe analysis of the temporal changes in shoot density, areal leaf biomass, leaf growth and parameters of the photosynthesis-irradiance relationship of three tropical seagrass species (Enhalus acoroides, Thalassia hemprichii and Cymodocea rotundata), co-existing in a shallow subtidal meadow in Cape Bolinao, Philippines, shows that species-specific traits are significant sources of temporal variability, and indicates that these seagrass species respond differently to a common environmental forcing. Species-specific differences are much less important as source of variability of the temporal change in chlorophyll concentration of seagrass leaves. The results indicate that the temporal changes in photosynthetic performance of these seagrasses were driven by environmental forcing and their specific responses to it mostly, but the temporal change in their abundance and leaf growth was also controlled by other factors. The significant contribution of species-specific factors in the temporal changes of biomass, growth and photosynthetic performance of co-occurring seagrass species in Cape Bolinao should contribute to the maintenance of the multispecific, highly productive meadows characteristic of pristine coastal ecosystems in Southeast (SE) Asia. © 2001 Elsevier Science B.V.
Identifiersdoi: 10.1016/S0022-0981(01)00253-2
issn: 0022-0981
Appears in Collections:(IMEDEA) Artículos
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