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Publication Type J
Authors Tessier, M., J. C. Gloaguen and J. C. Lefeuvre
Title Influence of biotic and abiotic factors on morphology and reproduction of Suaeda maritima on a salt marsh
Source Comptes Rendus De L Academie Des Sciences Serie Iii-Sciences De La Vie-Life Sciences
Abstract The aim of this study was to estimate the influence of biotic and abiotic factors on Suaeda maritima reproduction on a salt marsh. Individuals of Suaeda maritima were submitted in natural conditions to four series of densities (100, 1000, 4000 and 8000 plants/m(2)). When density increases, individuals tend to be less or non-branched, while individual biomass decreases. Consequently, individual seed production decreases as density increases. Despite morphological modifications, Suaeda maritima present density-dependent mortality. For a unit area, total biomass and seed production are higher at intermediate density (1000 plants/m(2)). Environmental factors could interfere with self-thinning. They seem to limit the effect of competition on mortality and to have an influence on individual and total seed production. This experiment stressed the importance of a biotic factor such as intra-specific competition, which occurs at the same time as abiotic factors, in Suaeda maritima dynamics in the field. (C) 2000 Academie des sciences/Editions scientifiques et medicales Elsevier SAS.
ISSN 0764-4469
ISBN 0764-4469
Publication Date Oct
Year Published 2000
Volume 323
Issue 10
Beginning Page 905-911
Digital Object Identifier (DOI) 10.1016/s0764-4469(00)01233-6
Unique Article Identifier WOS:000165287200007
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