<p>Even as greenhouse gasses are increasing unprecedentedly, it can decrease <a href="https://www.mid-day.com/mumbai/mumbai-news/article/mumbai-weather-update-city-to-see-moderate-rainfall-today-23359798" target="_blank" rel="none noopener"><strong>rainfall</strong></a> in the equatorial region as well as affect India's biodiversity hotspots, according to a new study on Wednesday.&nbsp;</p>
<p>The study showed that it will potentially replace India's biodiversity hotspots consisting of evergreen forests in the Western Ghats, northeast India, and the Andamans with deciduous forests.</p>
<p>For the study researchers from Birbal Sahni Institute of Palaeosciences (BSIP), an autonomous institute of the Department of Science and Technology, used fossil pollen and carbon isotope data from the Eocene Thermal Maximum 2 (ETM-2), also known as H-1 or Elmo.</p>
<p>It is a period of <a href="https://www.mid-day.com/lifestyle/nature-and-wildlife/article/rise-in-nighttime-warming-impacting-sleep-quality-health-in-india-analysis-23355122" target="_blank" rel="none noopener"><strong>global warming</strong></a> that occurred around 54 million years ago.</p>
<p>In addition to global warming, during this period the Indian plate also lingered near the equator during its journey from the southern to northern hemisphere.</p>
<p>"This makes the Indian plate a perfect natural laboratory that offers a peculiar opportunity to understand the vegetation-climate relationship near the equator during the ETM-2," the researchers said.</p>
<p>Based on the availability of fossils from ETM2, the team selected the Panandhro Lignite Mine of Kutch in Gujarat and collected fossil pollen from there.</p>
<p>Their findings, published in the journal Geoscience Frontiers, found that when atmospheric carbon dioxide (CO2) concentration was more than 1000 parts per million by volume (ppmv) near the palaeo-equator, the rainfall decreased significantly. It led to the expansion of deciduous forests.</p>
<p>The study also raises important questions about the survival of equatorial/ tropical rainforests and biodiversity hotspots under increased carbon emissions. It can also help understand the relationship between CO2 and hydrological cycle and aid in the future conservation of biodiversity hotspots.</p>
<p><strong>Also Read: <a href="https://www.mid-day.com/lifestyle/culture/article/plastic-free-july-small-changes-big-impact-eco-champions-reveal-surprising-plastic-culprits-and-sustainable-swaps-23359405" target="_blank" rel="none noopener">Plastic Free July: Small changes, big Impact - Eco-champions reveal surprising plastic culprits and sustainable swaps</a></strong></p>
<p><span style="font-size: x-small;"><em>This story has been sourced from a third party syndicated feed, agencies. Mid-day accepts no responsibility or liability for its dependability, trustworthiness, reliability and data of the text. Mid-day management/mid-day.com reserves the sole right to alter, delete or remove (without notice) the content in its absolute discretion for any reason whatsoever</em></span></p><p>
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As greenhouse gases increase, it can decrease rainfall in the equatorial region and affect India`s biodiversity hotspots, according to a new study

Low rainfall and high CO2 can affect India's biodiversity hotspots: Study

Heavy rain brings Mumbai to halt, road & rail traffic hit, schools shut

Even as greenhouse gases are increasing unprecedentedly, it can decrease rainfall in the equatorial region and affect India's biodiversity hotspots, according to a new study

Low rainfall and high CO2 can affect India's biodiversity hotspots: Study

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Low rainfall and high CO2 can affect India's biodiversity hotspots: Study

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