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Scientists attribute decrease in population primarily to overfishing PHOTO: REUTERS/FILE KARACHI: A decline of more than 85 per cent has been reported in Pakistan s shark resources over the past 50 years, according to an analysis, titled Half a Century of Global Decline in Oceanic Sharks and Rays , published in a scientific journal, Nature. The study concludes that the shark population across the world has reduced by 71 per cent since 1970, with shark and ray populations continuing to undergo a staggering decline globally. Top 20 shark scientists, who contributed to the article, have attributed the decline, primarily, to overfishing. The scientists have extrapolated that of 31 species of sharks and rays examined during the analysis, 21 are currently facing the risk of extinction, as around 100 million sharks are caught each year.

Moazzam khanIndian oceanRandy cornishWorld wildlife fundGlobal declineOceanic sharksWorld wildlife fund pakistanInternational unionNature red listThreatened speciesArab nawazமோஅஜ்ஜம் காந்இந்தியன் கடல்ஆண்டி கார்னிஷ்உலகம் வனவிலங்கு நிதிகடல் சுறாக்கள்