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Morphometric variation in two intertidal littorinid gastropods
Queiroga, Henrique; Costa, Rolando; Leonardo, Nélia; Soares, Débora; Cleary, Daniel F. R.Here we investigate spatial variation in shell shape of Littorina saxatilis, an ovoviviparous species, and Melarhaphe neritoides, a species with planktonic eggs and larvae. Populations of both species were sampled in 6 sites located along the west coast of the Iberian Peninsula. Shell shape was studied using landmarkbased morphometric methods. Landmark data was used to estimate individual size and to describe s...
Date: 2011
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Origin: RIA - Repositório Institucional da Universidade de Aveiro