Morphological and biological features of plants related to their adaptation to coastal habitats

Morphological and biological features of plants related to their adaptation to coastal habitats The results of studies on the biomorphological features of 22 plant species growing on the southern coast of the Russian Far East provide evidence for the diversity of pathways of their adaptation to stressful habitat conditions. An analysis of the anatomical and mesostructural characteristics of their leaves has revealed representatives of euhalophytes, crinohalophytes, and glycohalophytes among these plants. Adaptation is achieved by means of halomorphosis, haloxerophytism, and development of some heliophilic features accounted for by species-specific manifestations of succulence, the presence of salt excreting trichomes, and thick pubescence. The similarity of these adaptations to those of desert plants is discussed. Along with plants characterized by a high germination rate, species that counterbalance a low efficiency of seed reproduction by active vegetative propagation have also successfully established themselves on the coast. Adaptation to coastal habitats is also achieved due to the diversity of life forms characterized mainly by tap root systems with laterally extending branch roots, creeping shoots, and a high vegetative mobility. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Morphological and biological features of plants related to their adaptation to coastal habitats

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2008 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Environment, general; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413608010013
Publisher site
See Article on Publisher Site

Abstract

The results of studies on the biomorphological features of 22 plant species growing on the southern coast of the Russian Far East provide evidence for the diversity of pathways of their adaptation to stressful habitat conditions. An analysis of the anatomical and mesostructural characteristics of their leaves has revealed representatives of euhalophytes, crinohalophytes, and glycohalophytes among these plants. Adaptation is achieved by means of halomorphosis, haloxerophytism, and development of some heliophilic features accounted for by species-specific manifestations of succulence, the presence of salt excreting trichomes, and thick pubescence. The similarity of these adaptations to those of desert plants is discussed. Along with plants characterized by a high germination rate, species that counterbalance a low efficiency of seed reproduction by active vegetative propagation have also successfully established themselves on the coast. Adaptation to coastal habitats is also achieved due to the diversity of life forms characterized mainly by tap root systems with laterally extending branch roots, creeping shoots, and a high vegetative mobility.

Journal

Russian Journal of EcologySpringer Journals

Published: Jan 18, 2011

References

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