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and reproduction in cockles (Cerastoderma edule) from an intertidal population located at the Mundaka estuary. (North Spain). Marked seasonal patterns of ...
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Reproduction and biochemical composition of cockles out from 15 to 20 individuals, fixed in Baker's formol- calcium and dehydrated in an ascending alcohol ...
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This fishery heretofore has not been described in the international literature except in Nicaragua (MacKenzie and Lopez, 1997) and Colombia (Squires et al., 1975). Studies have been made of the cockles' reproduction in Costa Rica (Cruz, 1984a, b, 1987a, b; ... Cockle Ranges and Descriptions...
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Animal Life question: How are cockle made? Cockle reproduction occurs between March and August as the warming spring waters climb to above 13C.
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The spat is then seeded from mid-September to mid-May at a density of 3-4 kg/m2. Spat can also be naturally recruited from June to September during the cockle reproduction period. The culture to marketing period is 10-15 months after seeding.
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Cockle numbers in the Waddenzee and Zeeland delta fluctuate greatly in response to natural factors and harvesting. ... This major increase is visible in the figure in the increase of shellfish aged 2 years or more since 1997. In the Oosterschelde, 1997 was not a good year for cockle reproduction.
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Reproduction: White cockle reproduces by seeds and short rootstocks (Muenscher 1955). Since this species is dioecious, not all plants produce seed. However, female plants are capable of producing 1,600 to 24,000 seeds per plant (Strand and Wyse 1982).
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