Last update: August 05, 2022, 10:47 AM IST
Will there be fewer birds in 60 years? Newly published German-English research shows that many species are at risk of extinction due to global warming, suggesting that this is the sad reality we are heading towards. But the biggest change will be seen in the migration patterns of certain species of birds in the northern regions of the planet. Climate change is threatening the survival of birds. If current trends are not reversed, we can expect to see fewer of them by 2080, say researchers from Durham University in the UK and the Senckenberg Biodiversity and Climate Research Center in Germany. The study examined 8,768 bird species worldwide to estimate the number of species that may disappear or migrate to new regions to adapt to climate change. These projections are based on two climate scenarios, with projected greenhouse gas emissions at low or moderate levels.
The study, published in the journal Proceedings of the Royal Society B, looked not only at the number of bird species at risk of extinction, but also at the variety of species, or “phylogenetic diversity.”
And, as one might expect, the predictions are not very optimistic: not only are there likely to be fewer birds, but groups of related species may disappear, with profound effects on communities in terms of phylogenetic diversity composition. Effects occur, especially in the tropics and subtropics. Areas
But despite the fact that a phylogenetic reorganization of species must be “worldwide,” the scientists emphasized that “local phylogenetic diversity may be the key to biodiversity resilience to environmental change.” Nothing was lost.
“The most drastic changes in the phylogenetic diversity of local assemblages are likely to be caused by species range shifts and local species gains, rather than range reductions and extinctions. Our results provide evidence for diversity measures in assessing climate impacts.” highlight the importance of considering,” the researchers note.
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