publication . Article . 2003

Comparison between two lunar situations on emission and larval transport of decapod larvae in the Mondego estuary (Portugal)

F. Gonçalves; R. Ribeiro; A.M.V.M. Soares;
Open Access English
  • Published: 01 Jan 2003
  • Country: Portugal
Abstract
This study compares the rhythms of larval release of the most abundant decapod crustaceans between the New Moon and the First Quarter. Eurelian field surveys were conducted at a small estuary (Mondego river) on the Atlantic coast of Portugal. All taxa showed tidal and lunar rhythm changes in abundance. The larval emission was very strong during nocturnal ebb neap tides at the First Quarter. Export of zoea did not occur to Rhithropanopeus harrisii. Despite the extensive literature on seasonal abundance, dispersal patterns, larval emission and recruitment of estuarine crabs, little is known about patterns of emission and larval transport in estuaries of Atlantic c...
Subjects
free text keywords: Emission, Larval transport, Decapod larvae, Nyctemeral cycles, Mondego estuary, Portugal, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Estuary, geography.geographical_feature_category, geography, Crustacean, biology.organism_classification, biology, Larva, Fishery, Crepuscular, Biological dispersal, Ecology, Nocturnal, Decapoda, Rhithropanopeus harrisii
Related Organizations
Communities
Fisheries and Aquaculture Management
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publication . Article . 2003

Comparison between two lunar situations on emission and larval transport of decapod larvae in the Mondego estuary (Portugal)

F. Gonçalves; R. Ribeiro; A.M.V.M. Soares;