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Changes in the trophic level of Portuguese landings and fish market price variation in the last decades

✍ Scribed by Filipa Baeta; Maria José Costa; Henrique Cabral

Book ID
116483410
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
836 KB
Volume
97
Category
Article
ISSN
0165-7836

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## Abstract Cyprinid fish of different mature age classes (3+ ‐4+) and stocks (100, 300 and 500 kg/ha) were introduced into each of three experimental ponds with area of 0.3 ha (average depth ca 1.7 m) while the fourth pond was left free of fish. Bream (__Abramis brama__ L.), white bream (__Blicca