Population dynamics of the Argentinean surf clams
Population dynamics of the surf clams Donax hanleyanus and Mesodesma mactroides from open-Atlantic beaches off Argentina
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Studying the population dynamics of the surf clams Donax hanleyanus and Mesodesma mactroides from exposed sandy beaches off Argentina, there were found differences in the spatial and temporal scale of the population structure, growth and reproduction biology of this two dominant species. Histological analyses on three Argentinean sandy beaches with contrasting morphodynamics not only revealed the size at first maturity and a distinct reproductive cycle compared with historical data, but also negated the habitat harshness hypothesis which was commonly used for sandy beach communities. Furthermo...
Studying the population dynamics of the surf clams Donax hanleyanus and Mesodesma mactroides from exposed sandy beaches off Argentina, there were found differences in the spatial and temporal scale of the population structure, growth and reproduction biology of this two dominant species. Histological analyses on three Argentinean sandy beaches with contrasting morphodynamics not only revealed the size at first maturity and a distinct reproductive cycle compared with historical data, but also negated the habitat harshness hypothesis which was commonly used for sandy beach communities. Furthermore, realizing fluorescent tagging-recapture experiments, a new time saving method to estimate growth was developed.
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