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Pattern of the state of eutrophication in the floodplain wetlands of eastern India in context of climate change: a comparative evaluation of 27 wetlands

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Title Pattern of the state of eutrophication in the floodplain wetlands of eastern India in context of climate change: a comparative evaluation of 27 wetlands
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Creator Soma Das Sarkar
Uttam Kumar Sarkar
Lianthuamluaia Lianthuamluaia
Bandana Das Ghosh
Koushik Roy
Puthiyottil Mishal
Basanta Kumar Das
 
Subject Inland open waters
Trophic state index
Climato-environmental parameter
Fisheries management
India
 
Description Not Available
The floodplain wetlands in different regional
settings vary with time and space in terms of function
and geomorphological diversity. In recent decades,
these eco-sensitive waterbodies have been exposed to
a wide range of anthropogenic threats and climatic
changes. Therefore, assessment of these ecological and
environmental threats is prerequisite to understand the
state of ecosystem and to develop a sustainable management
strategy for conservation of wetland biodiversity
and fisheries enhancement. This paper discusses the
region-specific pattern of trophic state index (TSI) of the
27 floodplain wetlands in West Bengal, India. Carlson
TSI and Lamparelli TSI methods were used to determine
a better approach based on historical and continuous
dataset and to delineate the interrelationship among
historical climatic variability for sustainable management
of the resources. The study revealed that agroclimatic
divisions do not unveil any significant impact
on the TSI calculated using Carlson TSI as well as
Lamparelli TSI method. The TSI scores for the two
methods were significantly different (p < 0.01) for different
zones based on wetland habitat types. The TSI
scores revealed most of the wetlands to be in mesotrophic
state. Principal component analysis (PCA) indicated
that TSI scores were having similar pattern of variation
with rainfall and water temperature. The present
study also conveys fundamental information on ecological
status based on the trophic state, which will aid to
develop region-specific strategies for sustainable fisheries
enhancement.
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Date 2021-08-10T07:19:16Z
2021-08-10T07:19:16Z
2020-01-21
 
Type Research Paper
 
Identifier Sarkar, S. D., Sarkar, U. K., Lianthuamluaia, L., Ghosh, B. D., Roy, K., Mishal, P., & Das, B. K. (2020). Pattern of the state of eutrophication in the floodplain wetlands of eastern India in context of climate change: a comparative evaluation of 27 wetlands. Environmental monitoring and assessment, 192(3), 1-12.
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http://krishi.icar.gov.in/jspui/handle/123456789/54194
 
Language English
 
Relation Not Available;
 
Publisher Springer