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 Gallardo, V.A., J.I. Cañete, R. Roa, S. Enríquez-Briones, and M. Baltazar (1994) Recruitment of the squat lobster Pleuroncodes monodon on the continental shelf off Central Chile. Journal of Crustacean Biology 14(4): 665–669. PDF is 317kB


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Reference ID 29590
Reference type journalarticle
Authors Gallardo, V.A.
Cañete, J.I.
Roa, R.
Enríquez-Briones, S.
Baltazar, M.
Publication Year (for display) 1994
Publication Year (for sorting) 1994
Title Recruitment of the squat lobster _Pleuroncodes monodon _on the continental shelf off Central Chile
Secondary Title Journal of Crustacean Biology
Secondary Authors  
Tertiary Title  
Tertiary Authors  
Volume 14
Issue 4
Pages 665–669
Place published  
A benthic megafaunal study off Concepcion Bay, central Chile (36 degrees 32'S, 73 degrees W), provided abundance and bathymetric distribution data of the newly recruited squat lobster Pleuroncodes monodon (Decapoda, Galatheidae). The megafauna was surveyed 8 times between July 1991 and April 1992, with an Agassiz trawl at depths of 40, 64, and 96 m along a transect across the continental shelf. Recruits of P. monodon (carapace length (CL) 3-10 mm) were first sampled in all depth strata in early March, and then in April. April density (1 ind/m(2)) and mean size (6.1 mm CL) were significantly higher than March density (0.07 ind/m(2)) and mean size (5.3 mm CL). Depth did not affect abundance and its significant effect on mean size was conditional on month effect. We interpret these results as evidence that the main pulse of recruitment occurred simultaneously across the continental shelf transect in April, and that larvae settling in April have a larger size than larvae settling in March. Recruitment appears to be associated with late summer development of the giant sulfur bacteria Thioploca spp., suggesting an ecological relationship. Moreover, the observed recruitment occurred in late summer to early fall when the oceanographic regime in the area shifts to a postupwelling regime.
Reference Contributor Tag galatheid
Last Changed Wed Dec 5 10:57:54 2012

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