Seabird populations declined 70% since 1950, researchers

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HONG KONG: A new study has found that seabird population has dropped by about 70 percent since the 1950s, based on a global database devised by a team of researchers.
The finding presents the decrease in these birds’ numbers and also indicates the unfavorable status of the marine ecosystems. Because the samples used represent a large number of seabirds all around the globe and declines were highly noted among wide-ranging pelagic species, a pan-global population may be more at risk compared to the group with shorter-ranging species in the coastal areas.
Researchers Michelle Paleczny, Vasiliki Karpouzi and Daniel Pauly from the University of British Columbia, and Edd Hammill, a lecturer at the University of Technology, Sydney in Australia devised a global bank of information containing data about seabird populations from 1950 to 2010.
The total number of breeding populations collated were 3,213 from 324 species of seabirds, documented in 357 coastal areas. The researchers obtained the information from books, unpublished reports and journal articles and the entire data collated accounted for approximately 19 percent of the global seabird population.