NDLI: Space-based long-term observation of shrinking grassland habitat: A case-study from central India

Content Provider	Springer Nature Link
Author	Singh, C P Singh, R P Chauhan, J S Parihar, J S
Copyright Year	2015
Abstract	Grassland ecosystem is critical for survival of herbivores and plays an important role in conservation and management of wildlife. These habitats are widely studied for various issues, including biodiversity, biomass assessment, carrying capacity, etc. Woody species ingression in grasslands is one such important aspect that needs critical attention in protected area as this leads to shrinking of grasslands habitat. This study presents a case of Ronda grassland in Kanha National Park – a well-known protected area in India, known for its herbivore diversity and hard-ground Barasingha (Rucervus duvaceli branderi), in particular. Long-term satellite observation for five decades was carried out to understand spatio-temporal changes. Declassified Corona satellite data, aerial photographs along with satellite datasets in the subsequent period were utilised for this study. The study revealed that 88 ha (16% of Ronda and surrounding) have been ingressed during 1962–2011, in and around Ronda grassland of Kanha National Park. Rates of ingression on linear transects were found to be 60–120 m per decade. Field studies and NDVI analysis along the edge of grassland pixels as well as inside region using 1972 as baseline data, indicated woody vegetation replacing area of grassland. It was noted that Butea monosperma is invading more than other species in Ronda grassland, particularly along the stream where moisture availability is higher. Grassland habitats in Kanha are thus shrinking and thus leading to reduction in the area available for herbivore population which has increased in recent years. This can lead to severe impact on carrying capacity of these grasslands.
Starting Page	1389
Ending Page	1398
Page Count	10
File Format	PDF
ISSN	02534126
Journal	Journal of Earth System Science
Volume Number	124
Issue Number	7
e-ISSN	0973774X
Language	English
Publisher	Springer India
Publisher Date	2015-09-19
Publisher Institution	Indian Academy of Sciences
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Kanha National Park woody ingression grassland Corona aerial photograph Landsat IRS-Resourcesat 2 Earth Sciences Extraterrestrial Physics, Space Sciences
Content Type	Text
Resource Type	Article
Subject	1900/1901

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