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Vulnerability of corals to warming of the Indian seas: a projection for the 21st century

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Title Vulnerability of corals to warming of the Indian seas: a projection for the 21st century
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Creator Vivekanandan,E
Hussain Ali,M
Jasper,B
Rajagopalan,M
 
Subject Coral vulnerability
Indian seas
projection
seawater warming
 
Description Not Available
Indian seas experienced severe warming in 1998 and
2002 that resulted in large-scale bleaching and mortality of corals. Anticipating increased warming in future,we made an attempt to project coral vulnerability in the Andaman, Nicobar, Lakshadweep, the Gulf of Man-nar and the Gulf of Kachchh regions for the 21st cen-tury. To project the number of bleaching events, the thermal threshold for bleaching, degree heating month (DHM) accumulations of the sea surface tem-perature (SST) hotspot anomalies, and the predicted increase in SST during this century were considered.The decadal DHM values are expected to gradually increase in all the five regions in the early decades of this century, but abruptly increase after the year 2050. The results indicate that if there is no increase in thermal tolerance capacity, bleaching would become an annual or biannual event for almost all reef regions along the Indian coast in the next 30–50 years. Reef building corals may lose dominance between 2030 and 2040 in the Lakshadweep region and between 2050 and 2070 in the other four regions.
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Date 2020-11-19T06:00:06Z
2020-11-19T06:00:06Z
2000-01-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/42423
 
Language English
 
Relation Not Available
 
Publisher Current Science Association