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EFFECT OF CROWDING ON GROWTH AND MORTALITY IN THE EDIBLE SNAIL HELIX LUCORUM (GASTROPODA: PULMONATA) IN GREECE

In: Israel Journal of Ecology and Evolution
Authors:
A. STAIKOU Laboratory of Zoology, Department of Biology, University of Thessaloniki

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M. LAZARIDOU-DIMITRIADOU Laboratory of Zoology, Department of Biology, University of Thessaloniki

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The effect of crowding on growth and mortality in Helix lucorum L. hatched in the laboratory was tested experimentally. The higher the number of grouped individuals, the smaller was the growth and the higher the mortality. The optimum density for this snail under the conditions studied seemed to be 50 individuals/m2 floor area. Densities observed in nature ranged 3–80 individuals/m2.

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