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Temporal patterns in fish community structure; environmental perturbations in a well-mixed tropical estuary

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Title Temporal patterns in fish community structure; environmental perturbations in a well-mixed tropical estuary
Not Available
 
Creator Sreekanth GB, Manju Lekshmi N and Singh NP
 
Subject Fish communities, Temporal pattern, Environmental factor, Zuari estuary, Coastal ecosystem
 
Description Not Available
Not AvailableThe composition of fish communities in tropical
coastal ecosystems is regulated by seasonal patterns in
the oceanographic environment. In the present study, the
authors have studied the temporal variation of fish assemblages
and environmental variables in a tropical coastal
ecosystem, Zuari estuary in Goa located along the west
coast of India. The species abundance and environmental
data were subjected to multivariate analysis (canonical
correspondence analysis and non-metric multidimensional
scaling) and showed seasonal differences in fish communities.
The second canonical axis was loaded with salinity,
temperature, dissolved oxygen, transparency and depth
separating the seasons into discrete groupings. The authors
also found that the species diversity is significantly less
during the monsoon season in comparison to pre- and postmonsoon
seasons. Moreover, season-specific diagnostic
species were identified using SIMPER analysis. The seasonal
migration of species mediated by environmental
factors seems to be an important element which determines
the temporal pattern in fish communities. The results of the
study have implications on fish diversity, conservation and
coastal fisheries management.
ICAR, New Delhi
 
Date 2018-11-12T06:58:45Z
2018-11-12T06:58:45Z
2017-07-01
 
Type Research Paper
 
Identifier Sreekanth GB, Manju Lekshmi N and Singh NP (2017). Temporal patterns in fish community structure; environmental perturbations in a well-mixed tropical estuary. PNAS-SEC-B Biological Sciences, 87(1): 135-145
ISSN: 0369-8211
http://krishi.icar.gov.in/jspui/handle/123456789/10339
 
Language English
 
Relation Not Available;
 
Publisher Springer