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- W4313594298 endingPage "120764" @default.
- W4313594298 startingPage "120764" @default.
- W4313594298 abstract "The Terai-Duar Savanna and Grassland ecoregion (hereafter Terai), located at the base of the Himalayas in the Indian subcontinent, support diverse ecosystems with pure grasslands, savanna, and forests in varying proportions. There are indications that grasslands and savanna are being lost to woody encroachment across the ecoregion. A significant fraction of plant and animal taxa are endemic to grasslands, so the decline of grasslands is likely to impact biodiversity and ecosystem function. We assessed large-scale vegetation changes to Terai habitats over three decades (1989–2019) and quantified the role of environmental factors in driving the observed changes. Selecting eight large protected wildlife habitats (four each from India and Nepal), we performed supervised vegetation classification for three-time points. We then quantified grassland-woodland transitions and used Bayesian Conditional Autoregressive spatial models to test the influence of climatic, environmental, and anthropogenic factors on observed changes. Including the protected sites with substantial grassland areas, we found that the total extent of grasslands was 1417 km2 (28 % of total area) in 1988–1989, which declined by 34.4 % to 923 km2 in three decades, while woodland area increased by 8,7% from 3235 km2 to 3516 km2. Grasslands were also converted to cropland or inundated by flooding, but to a lesser extent. Dry season grass fire had the strongest influence on grassland persistence, followed by anthropogenic impacts. However, the eight sites differed with respect to the nature and extent of the changes in vegetation transitions, perhaps reflecting site differences in climatic conditions and anthropogenic influence." @default.
- W4313594298 created "2023-01-06" @default.
- W4313594298 creator A5021439763 @default.
- W4313594298 creator A5052047829 @default.
- W4313594298 creator A5058981949 @default.
- W4313594298 creator A5071471435 @default.
- W4313594298 date "2023-02-01" @default.
- W4313594298 modified "2023-10-16" @default.
- W4313594298 title "Grassland-woodland transitions over decadal timescales in the Terai-Duar savanna and grasslands of the Indian subcontinent" @default.
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- W4313594298 doi "https://doi.org/10.1016/j.foreco.2022.120764" @default.
- W4313594298 hasPublicationYear "2023" @default.