EVALUATION OF OTOLITHS OF SALT CREEK PUPFISH (CYPRINODON SALINUS) FOR USE IN ANALYSES OF AGE AND GROWTH

被引：2

作者：

Dzul, Maria C. ^{[1
]}

Gaines, D. Bailey ^{[2
]}

Fischer, Jesse R. ^{[1
]}

Quist, Michael C. ^{[3
]}

Dinsmore, Stephen J. ^{[1
]}

机构：

[1] Iowa State Univ, Dept Nat Resource Ecol & Management, Ames, IA 50011 USA

[2] Death Valley Natl Pk, Natl Pk Serv, Pahrump, NV 89048 USA

[3] Univ Idaho, Idaho Cooperat Fish & Wildlife Res Unit, US Geol Survey, Moscow, ID 83844 USA

来源：

SOUTHWESTERN NATURALIST | 2012年 / 57卷 / 04期

关键词：

FISH; MICROSTRUCTURE; TEMPERATURE; POPULATION; FECUNDITY; RESPONSES; ANNULI;

D O I：

10.1894/0038-4909-57.4.412

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

We collected Salt Creek pupfish (Cyprinodon salinus salinus) from Salt Creek, Death Valley, California, in November 2009 and May 2010. The purpose of our study was to determine whether otoliths displayed interpretable marks that might be used for estimating age and growth. Otoliths exhibited alternating bands of opaque and translucent material. Kendall rank correlation between number of bands on otoliths and length of fish were high for two readers (tau = 0.65 and 0.79) and exact agreement between readers was 51%. Otoliths exhibited 0-5 bands, which provided evidence that longevity of Salt Creek pupfish likely is >1 year. Total length of fish collected in spring and autumn differed for fish with one and three bands on otoliths.

引用

页码：412 / 416

页数：5

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