The niche-width variation hypothesis revisited: genetic diversity in the marine gastropods Littorina punctata (Gmelin) and L. neritoides (L.)

R. Noy; B. Lavie; E. Nevo

doi:10.1016/0022-0981(87)90010-4

The niche-width variation hypothesis revisited: genetic diversity in the marine gastropods Littorina punctata (Gmelin) and L. neritoides (L.)

R. Noy, B. Lavie, E. Nevo

Department of Evolutionary and Environmental Biology

Research output: Contribution to journal › Article › peer-review

Abstract

Allozymic variation encoded by 17 gene loci was compared and contrasted in naturally coexisting populations of two marine gastropods collected along the rocky beach of the Mediterranean coast in Israel. Littorina neritoides (L.) showed considerably more genetic diversity than L. punctata (Gmelin). The results support the niche-width variation hypothesis as L. neritoides may be considered as having a broader ecological niche than L. punctata. Higher heterozygosity appears to be advantageous in a more heterogeneous environment.

Original language	English
Pages (from-to)	109-116
Number of pages	8
Journal	Journal of Experimental Marine Biology and Ecology
Volume	109
Issue number	2
DOIs	https://doi.org/10.1016/0022-0981(87)90010-4
State	Published - 11 Aug 1987

Keywords

Ecological niche breadth
Electrophoretic allozyme
Genetic diversity
Marine gastropod

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Aquatic Science

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10.1016/0022-0981(87)90010-4

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abstract = "Allozymic variation encoded by 17 gene loci was compared and contrasted in naturally coexisting populations of two marine gastropods collected along the rocky beach of the Mediterranean coast in Israel. Littorina neritoides (L.) showed considerably more genetic diversity than L. punctata (Gmelin). The results support the niche-width variation hypothesis as L. neritoides may be considered as having a broader ecological niche than L. punctata. Higher heterozygosity appears to be advantageous in a more heterogeneous environment.",

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AU - Nevo, E.

PY - 1987/8/11

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AB - Allozymic variation encoded by 17 gene loci was compared and contrasted in naturally coexisting populations of two marine gastropods collected along the rocky beach of the Mediterranean coast in Israel. Littorina neritoides (L.) showed considerably more genetic diversity than L. punctata (Gmelin). The results support the niche-width variation hypothesis as L. neritoides may be considered as having a broader ecological niche than L. punctata. Higher heterozygosity appears to be advantageous in a more heterogeneous environment.

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KW - Electrophoretic allozyme

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The niche-width variation hypothesis revisited: genetic diversity in the marine gastropods Littorina punctata (Gmelin) and L. neritoides (L.)

Abstract

Keywords

ASJC Scopus subject areas

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