Fecundity of rainbow trout, <i>Salmo gairdneri</i> Richardson, from Buenos Aires Lake (Santa Cruz Province, Argentina)

Iwaszkiw, Juan M.; Padin, O.H

doi:10.1111/j.1095-8649.1990.tb03523.x

Journal of Fish Biology

1990

DOI: 10.1111/j.1095-8649.1990.tb03523.x

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Fecundity of rainbow trout, Salmo gairdneri Richardson, from Buenos Aires Lake (Santa Cruz Province, Argentina)

Juan M. Iwaszkiw¹,

O.H Padin²

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1992

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Fecundity of chinook salmon (Oncorhynchus tshawytscha)from the Waitaki and Rakaia Rivers, New Zealand

Quinn¹,

Bloomberg²

1992

New Zealand Journal of Marine and Freshwater Research

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The fecundity of chinook salmon (Oncorhynchus tshawytscha) was estimated from maturing fish captured by anglers in the lower Waitaki River in 1985 and 1987-89, and from mature fish spawned at the Glenariffe Research Station on the Rakaia River in 1992. Fecundity was positively correlated with fork length (FL); estimated fecundities at 750 mm FL were 5024 eggs for Waitaki and 4829 eggs for Glenariffe salmon. The slopes of the regressions of fecundity on FL differed between the populations but the Glenariffe data did not differ from Rakaia River samples from 1967, 1973, and 1976. Significant inter-annual variation in the FLfecundity relationship was detected in Waitaki River samples. Egg weights, taken from the Glenariffe samples, were positively correlated with length and averaged 0.17 g. However, salmon with high fecundity for their FL tended to have small eggs, and vice versa.

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Fecundity of chinook salmon (Oncorhynchus tshawytscha)from the Waitaki and Rakaia Rivers, New Zealand

Quinn¹,

Bloomberg²

1992

New Zealand Journal of Marine and Freshwater Research

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Fecundity of rainbow trout, Salmo gairdneri Richardson, from Buenos Aires Lake (Santa Cruz Province, Argentina)

Cited by 1 publication

References 3 publications

Fecundity of chinook salmon (Oncorhynchus tshawytscha)from the Waitaki and Rakaia Rivers, New Zealand

Fecundity of chinook salmon (Oncorhynchus tshawytscha)from the Waitaki and Rakaia Rivers, New Zealand

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