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The food limitation hypothesis for juvenile marine fish ArchiMer
Le Pape, Olivier; Bonhommeau, Sylvain.
Coastal zones are productive areas that serve as nursery grounds for a large number of marine species. However, the processes involved in survival success during the juvenile phase are not well-known. Some authors suggest that the availability of prey is important to support the production of pre-recruit fish whose fitness is enhanced through optimal feeding conditions. Accordingly, recruitment is limited by the carrying capacity of the nursery habitat. In contrast, other authors state that the carrying capacity of the nursery grounds is not fully exploited, suggesting that there is no effect of food limitation. This study combines an overview of the literature, focused on flatfish that are especially dependent on coastal and estuarine nursery grounds, an...
Tipo: Text Palavras-chave: Estuaries and coasts; Food limitation; Habitat functionality; Juvenile fish growth; Size-dependent mortality; Trophic capacity of nursery habitat.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00164/27542/25712.pdf
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Juvenile dynamics of the endemic and rare Enterolobium glaziovii Benth. (Mimosaceae) around reproductive trees in the Atlantic forest, Brazil Rev. Bras. Bot.
Ramos,Flavio N.; Silvia-Matos,Dalva M.; Santos,Flavio A. Maës dos.
Studies on the regeneration and seedling mortality of rare tree species are important, but scarce. The aim of this study was to investigate the annual variation in recruitment, growth and mortality of juveniles of Enterolobium glaziovii Benth., a rare tree species from the Brazilian Atlantic Rain Forest. All seedlings and juveniles around four reproductive trees were labeled and their fate was followed from 1996 to 1999. There were no annual differences in juveniles' recruitment below and beyond the parental crown, but juveniles' survival and growth were lower below than beyond of the parental tree crowns. Small individuals (< 15 cm tall) showed the greatest mortality and the lowest growth, followed by medium (from 15 to 50 cm tall) and large ones (>...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Conspecific influence; Distance-dependent mortality; Growth; Shade tolerance; Size-dependent mortality.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042005000400011
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