[PDF][PDF] Spatial distribution of juvenile fish species in nursery grounds of a tropical coastal area of the south-western Atlantic
Acta Ichthyologica et Piscatoria, 2018•aiep.pensoft.net
Background. Assessing patterns in habitat utilization and changes in the composition of
biont assemblages is a key tool for efficient ecosystem conservation planning and
management. Nevertheless, habitat use patterns by juvenile fish still need more
comprehension. Therefore, the presently reported study investigated relations between the
type of nursery ground and the structure of juvenile fish assemblages in a tropical coastal
area of the south-western Atlantic. Materials and methods. From December 2009 to …
biont assemblages is a key tool for efficient ecosystem conservation planning and
management. Nevertheless, habitat use patterns by juvenile fish still need more
comprehension. Therefore, the presently reported study investigated relations between the
type of nursery ground and the structure of juvenile fish assemblages in a tropical coastal
area of the south-western Atlantic. Materials and methods. From December 2009 to …
Bathygobius soporator (Valenciennes, 1837); Conodon nobilis (Linnaeus, 1758); Haemulon plumierii (Lacepède, 1801); Haemulopsis corvinaeformis (Steindachner, 1868); Hemiramphus brasiliensis (Linnaeus, 1758); Lutjanus apodus (Walbaum, 1792); Lutjanus griseus (Linnaeus, 1758); Lutjanus jocu (Bloch et Schneider, 1801); Mugil brevirostris (Ribeiro, 1915); Mugil curema Valenciennes, 1836; Mugil curvidens Valenciennes, 1836; Paralichthys tropicus Ginsburg, 1933; Sphyraena barracuda (Edwards, 1771); Sphoeroides testudineus (Linnaeus, 1758). No significant differences in species richness and total abundance were found between habitats and seasons. Nevertheless, our analyses showed that distinct sets of species use these areas. Moreover, we identified a strong relation between the rainfall and the species turnover in both habitats studied. Conclusion. Diversity of nursery grounds in coastal areas not only increases fish diversity but also plays an important role in the sustaining fish stocks.
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