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<p>Geodiversity refers to the diversity of the Earth’s non-living elements, including their composition, structure, and the dynamic processes that shape them. It is as crucial as biodiversity, as it contributes to multiple environmental, scientific, and socio-economic benefits, including the preservation of geo-heritage sites, supporting biodiversity and geo-conservation efforts, facilitating and identification of potential locations for geo-tourism development, guiding land-use planning, and conserving ecosystem services. The major objective of this study is to evaluate the geodiversity of the north-eastern part of India.The quantitative value of geodiversity was computed by evaluating the sub-index of six input data sets, including geology, geomorphology, lithology, pedology, minerals, and fossils. To estimate the individual diversity of each input data, the study area was divided into 25 × 25&#xa0;km square grids, and the number of occurrences of each element in each grid was counted. The result shows that the overall geodiversity of the region varies from place to place due to the variation of individual indices of different input data. The very high geodiversity region is found in the southern part of Meghalaya, which accounts for only 0.53% of the total area of the region. On the contrary, high, moderate, low, and very low geodiversity areas cover 7.82%, 38.2%, 48.13%, and 5.32%, respectively.</p>

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Mapping the Geodiversity of the North-Eastern Part of India: A Regional Perspective on Landscape Diversity

  • 期刊论文

  • 发表日期：

    2026年5月25日

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  • Durlov Lahon,
  • Jatan Debnath,
  • Nityaranjan Nath,
  • Dhrubajyoti Sahariah

摘要

Geodiversity refers to the diversity of the Earth’s non-living elements, including their composition, structure, and the dynamic processes that shape them. It is as crucial as biodiversity, as it contributes to multiple environmental, scientific, and socio-economic benefits, including the preservation of geo-heritage sites, supporting biodiversity and geo-conservation efforts, facilitating and identification of potential locations for geo-tourism development, guiding land-use planning, and conserving ecosystem services. The major objective of this study is to evaluate the geodiversity of the north-eastern part of India.The quantitative value of geodiversity was computed by evaluating the sub-index of six input data sets, including geology, geomorphology, lithology, pedology, minerals, and fossils. To estimate the individual diversity of each input data, the study area was divided into 25 × 25 km square grids, and the number of occurrences of each element in each grid was counted. The result shows that the overall geodiversity of the region varies from place to place due to the variation of individual indices of different input data. The very high geodiversity region is found in the southern part of Meghalaya, which accounts for only 0.53% of the total area of the region. On the contrary, high, moderate, low, and very low geodiversity areas cover 7.82%, 38.2%, 48.13%, and 5.32%, respectively.