How to toughen up your mussels: using mussel shell morphological plasticity to reduce predation losses

H. Beadman; R. W. G. Caldow; M. J. KaiserR. I. Willows

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How to toughen up your mussels: using mussel shell morphological plasticity to reduce predation losses

机译：How to toughen up your mussels: using mussel shell morphological plasticity to reduce predation losses

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Improvements in stocking strategy and management could increase the yield of mussels that are on-grown from harvested wild seed mussel resources and thereby enhance the sustainability of this shellfishery. A field experiment was undertaken to ascertain shell characteristics (compression strength and thickness) of seed mussels grown at different shore heights, whether these characteristics changed after a period of growth under identical conditions, and if these characteristics reduced predation losses by crabs and birds. Results indicated that mussels grown at higher shore levels attained shell characteristics beneficial to predation resistance and that these were maintained after a period of growth at a lower shore level. A novel management plan for mussel cultivation was formulated from the results of this study by manipulating shore position according to the attainment of these predator resistant shell attributes and the spatial distribution of the main natural mussel predators (crabs and birds). This technique was expanded to address the mussel cultivation problem of low natural seed settlement.

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《Marine Biology: International Journal on Life in Oceans and Coastal Waters》 |2003年第3期|487-494|共8页
作者
H. Beadman; R. W. G. Caldow; M. J. KaiserR. I. Willows;
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作者单位

School of Ocean Sciences, University of Wales-Bangor, Menai Bridge, Gwynedd LL59 5AB, UK;

Centre for Ecology and Hydrology Dorset, Winfrith Technology Centre, Winfrith Newburgh, Dorchester, Dorset DT2 8ZD, UK;

Environment Agency, National Centre for Risk Analysis and Options Appraisal, Kings Meadow House, Kings Meadow Road, Reading RG1 8DQ, UK;

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正文语种英语
中图分类环境生物学;
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How to toughen up your mussels: using mussel shell morphological plasticity to reduce predation losses

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