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I predict that Patella Vulgatas will be more distributed on the upper eulittoral shore than on the lower eulittoral shore.
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INTRODUCTION. Patella Vulgatas, commonly known as limpets, are gill breathing herbivores. They are distributed from the north of Norway to the Mediterranean, therefore they are found on all British and Irish coasts. They live wherever there is suitable hard substratum. Their main habitats are: bedrocks, large boulders, small boulders, cobbles, pebbles, rockpools and overhangs. They become vagrant after their emergence for the first three years and then they settle down to a homing style. They squat and settle in pools and damp places, although swapping of homes can occur. Adult Patella Vulgatas go home to their 'home scar' after grazing, using the radula, on the micro algae. They form a depression on the rock by abrasion, using the shell, which results in a tighter fit to the rock and reduction to the risk of desiccation. Patellas are also tolerant to low salinity levels. HYPOTHESIS. I...
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