Key transitions in morphological development improve age estimates in white sturgeon Acipenser transmontanus.
JOURNAL OF FISH BIOLOGY(2019)
摘要
We reared white sturgeon Acipenser transmontanus under laboratory conditions and found that a random-forest model containing scute counts and total length predicted age significantly better than total length alone. Scute counts are rapid, inexpensive and non-lethal meristics to gather in the field. This technique could improve age estimates of imperilled sturgeon populations.
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关键词
age-prediction,fisheries management,larval fish,ontogeny,random-forest model
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