期刊
JOURNAL OF APPLIED ICHTHYOLOGY
卷 25, 期 3, 页码 350-355出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1439-0426.2008.01062.x
关键词
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资金
- Brazilian Ministry of Science and Technology
- CNPq [303958/2003-0, 301390/2007-0]
Ninety-nine length-weight relationships (LWR) were estimated for 70 bentho-demersal fish species captured in four Brazilian estuaries between latitudes 0 degrees S and 25 degrees S. LWR are published for the first time for 13 species. The allometry coefficient (b) of the LWR (W = aTL(b)) showed a median of 3.147. Positive allometry was dominant (64 of the 99 species x estuary cases), followed by isometry (28) and negative allometry (7). Twenty-two species were caught in two or more estuaries. In most cases (29 of 33 comparisons), the values of both regression parameters differed significantly among estuaries.
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