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An appraisal of biological responses and network of environmental interactions in non-mining and mining impacted coastal waters

DRS at CSIR-National Institute of Oceanography

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Title An appraisal of biological responses and network of environmental interactions in non-mining and mining impacted coastal waters
 
Creator Fernandes, C.E.G.
Malik, A.
Jineesh, V.K.
Fernandes, S.O.
Das, A.
Pandey, S.S.
Kanolkar, G.
Sujith, P.P.
Velip, D.
Shaikh, S.
Helekar, S.
Gonsalves, M.J.B.D.
Nair, S.
LokaBharathi, P.A.
 
Subject LAW, POLICY AND SOCIAL SCIENCES
GEOLOGY AND GEOPHYSICS
OCEANOGRAPHY AND LIMNOLOGY
AQUATIC POLLUTION
 
Description The coastal waters of Goa and Ratnagiri lying on the West coast of India are influenced by terrestrial influx. However, Goa is influenced anthropogenically by iron-ore mining, while Ratnagiri is influenced by deposition of heavy minerals containing iron brought from the hinterlands. We hypothesize that there could be a shift in biological response along with changes in network of interactions between environmental and biological variables in these mining and non-mining impacted regions, lying 160 nmi apart. Biological and environmental parameters were analyzed during pre-monsoon season. Except silicates, the measured parameters were higher at Goa and related significantly, suggesting bacteria centric, detritus-driven region. At Ratnagiri, phytoplankton biomass related positively with silicate suggesting a region dominated by primary producers. This dominance perhaps got reflected as a higher tertiary yield. Thus, even though the regions are geographically proximate, the different biological response could be attributed to the differences in the web of interactions between the measured variables
 
Date 2015-10-27T03:59:43Z
2015-10-27T03:59:43Z
2015
 
Type Journal Article
 
Identifier Environmental Science and Pollution Research, vol.22(16); 2015; 12544-12558
http://drs.nio.org/drs/handle/2264/4814
 
Language en
 
Rights An edited version of this paper was published by Springer. This paper is for R & D purpose and Copyright [2015] Springer
 
Publisher Springer