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Comparison of hydrographic and sediment characteristics of seagrass meadows of Gulf of Mannar and Palk Bay, South West Coast of India

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Title Comparison of hydrographic and sediment characteristics of seagrass meadows of Gulf of Mannar and Palk Bay, South West Coast of India
Not Available
 
Creator Libin Baby
Gireesh Kumar, T. R.
Remyakumari, K. R.
Johns Varkey
Sankar, T. V.
Chandramohanakumar, N.
 
Subject Gulf of Mannar
Seagrass
Nutrients
Hydrochemical characteristics
Sediment
 
Description Not Available
Near shore of Gulf of Mannar and Palk Bay are characterized by seagrass meadows which has potential
in coastal protection and as nursery feeding grounds for marine organisms besides use by fishers as
medicine. The dynamic ecological disturbances affect the meadows constantly and as it is important to
understand the effects, a study on the hydro-chemical and sediment characteristics of major seagrass
meadows in these areas was carried out to access the pollution status and factors regulating the seagrass
population. The nutrients and heavy metals concentrations were high in Gulf of Mannar than Palk Bay.
Dissolved oxygen, nitrate and total nitrogen levels in the surface waters were varied from 5.39 to 8.16
mg per l, 2.73 to 5.18 µmol per l and 15.23 to 126.90 µmol per l respectively. The sediment characteristics showed
sandy in nature ( 72.02 - 97.06% ) and the total organic carbon in the sediment varied from 0.24 - 0.58%.
Even though, the heavy metals were low in sediments and water compared to reported data, toxic metals
such as mercury, arsenic, cadmium and lead were detected in the sediments and their presence may affect
the utilization of seagrasses.
Not Available
 
Date 2021-11-06T04:47:37Z
2021-11-06T04:47:37Z
2017
 
Type Research Paper
 
Identifier Libin Baby, Gireesh Kumar, T. R., Remyakumari, K. R., Johns Varkey, Sankar, T. V. and Chandramohanakumar, N. (2017) Comparison of hydrographic and sediment characteristics of seagrass meadows of Gulf of Mannar and Palk Bay, South West Coast of India. International Journal of Fisheries and Aquatic Studies. 5(2): 80-84
2347-5129 (Online) 2394-0506 (Print)
http://krishi.icar.gov.in/jspui/handle/123456789/67084
 
Language English
 
Relation Not Available;
 
Publisher International journal of fisheries and aquatic studies