2024-03-29T15:49:56Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/291702020-11-10T08:56:52Zcom_10261_123com_10261_8col_10261_376
Sabatés, Ana
2010-11-17T11:59:21Z
2010-11-17T11:59:21Z
2004
ICES Journal of Marine Science 61(8): 1243-1252 (2004)
1054-3139
http://hdl.handle.net/10261/29170
10.1016/j.icesjms.2004.07.022
1095-9289
The vertical distributions of the larvae of shelf and oceanic fish species that spawn during the winter-mixing period in the Mediterranean are described from 22 vertically stratified plankton tows. Diel differences in the vertical distribution patterns in relation to physical data and potential prey abundance throughout the water column were examined. Even in absence of stratification, the larvae of the various fish species showed different patterns of vertical distribution and diel changes. The larvae of shelf-dwelling species were found in the surface layers, mainly above 50-m depth, and with some exceptions, with very little diel variation in depth distribution. Therefore, the vertical distribution of the larvae of these species coincided with the maximum concentrations of their potential food, nauplii and copepodite stages of copepods. The larvae of mesopelagic fishes showed deeper distributions in the water column and most of these species were located closer to the surface during the day than at night. Given the homogeneity of the physical characteristics throughout the water column, except for light, this behaviour may be determined not only by the higher concentration of prey in the surface layers but also by adequate light levels for feeding
eng
closedAccess
Fish larvae
Northwestern Mediterranean
Vertical distribution
Diel vertical distribution of fish larvae during the winter-mixing period in the Northwestern Mediterranean
artículo