Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/49624
Title: Attraction of wild coastal fishes to an Atlantic subtropical cage fish farms, Gran Canaria, Canary Islands
Authors: Boyra, Arturo
Sanchez-Jerez, Pablo
Tuya, Fernando 
Espino Rodríguez, Fernando 
Haroun, Ricardo 
UNESCO Clasification: 3105 Peces y fauna silvestre
310502 Piscicultura
240119 Zoología marina
Keywords: Fish assemblages
Aquaculture
Fish-cage
Aggregation
Impact, et al
Issue Date: 2004
Publisher: 0378-1909
Journal: Environmental Biology of Fishes 
Abstract: We assessed the influence of two commercial fish farms on the local aggregation of coastal wild fishes through a 'post-impact' sampling design at Gran Canaria Island (Canary Islands). At each farm, we established two controls and one impact location and estimated fish abundance bimonthly by means of SCUBA diving. Results provide evidence of local aggregation in the associated fish assemblages around sea-cage fish farms. Dissimilarities between control and impact locations for both fish farms were due to differences on the abundance of a few species. However, we detected significant differences by means of some assemblages between controls in one fish farm, as a consequence of the removal and re-location of cages. Moreover, we also detected significant within location small-scale variability for several fish assemblages around both sea-cages farms. Otherwise, we did not observe any effect of sampling times.
URI: http://hdl.handle.net/10553/49624
ISSN: 0378-1909
DOI: 10.1023/B:EBFI.0000035435.51530.c8
Source: Environmental Biology of Fishes [ISSN 0378-1909], v. 70, p. 393-401
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