Static life-table analysis and demography of the foliar shoots of the tropical seagrass Thalassia testudinum
Abstract:Dynamics of foliar shoots of the tropical seagrass Thalassia testudinum (Banks ex König) at four sites in a Caribbean reef lagoon were evaluated by means of static life-table analysis. Prior to this analysis it was verified whether the instantaneous rate of increase of the populations approached zero (which was considered to be an indication of population stability), and whether shoot age could be determined by the Plastochrone Interval (PI). Mortality rates varied with age of the shoots, and were lower for younger shoots. Elasticity analysis showed that population growth was mainly accounted for by vegetative proliferation of first year old shoots. Within the lagoon, mortality and proliferation rates were lowest for a population in a wave-exposed back-reef area.
Document Type: Research Article
Publication date: November 1, 2002
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