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Demographics of an endemic and threatened small cyprinid, Pethia setnai from the Northern Western ghats, India.

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Title Demographics of an endemic and threatened small cyprinid, Pethia setnai from the Northern Western ghats, India.
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Creator SriHari M, Gladston Y, Ajina SM, Sreekanth GB, Raghavan R, Jasiwar AK
 
Subject biodiversity, body weight, rivers, mortality, indigo, population dynamics
 
Description Not Available
The indigo barb Pethia setnai is a threatened small cyprinid endemic to the Western Ghats biodiversity hotspot of India. In this study, the length–weight relationship and length–frequency-based population dynamics of this species, which are important prerequisites for effective fisheries management, were investigated for the first time based on specimens collected from the Mhadei River in the northern part of the Western Ghats. Estimated von Bertalanffy growth parameters were as follows: theoretical maximum length, L∞, 70.88 mm; growth coefficient, k, 1.50 year-1; and theoretical age at length 0, t0, –0.016 years. Natural mortality of P. setnai was higher than fishing mortality, and the present exploitation level (0.37) was less than 60% of the predicted maximum exploitation, suggesting that the species is not exploited to a level that is detrimental to the local population.
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Date 2022-06-17T08:52:55Z
2022-06-17T08:52:55Z
2020-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/72830
 
Language English
 
Relation Not Available;
 
Publisher CSIRO Publishing