BR, Manoj Kumar (2023) Spatial Distribution and Habitat Use of the Indian Blackbuck Antilope cervicapra Linn. in and around the Jayamangali Blackbuck Conservation Reserve, Karnataka, India. Masters thesis, Ashoka Trust for Research in Ecology and the Environment, TDU.
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Abstract
The current study focused on determining the spatial distribution and habitat use patterns of the Indian Blackbuck Antilope cervicapra (Linnaeus, 1758) in and around the Jayamangali Blackbuck Conservation Reserve (CR). A buffer of 2km was created around the reserve using QGIS, followed by forming 504, 250 x 250 m grids based on the daily movement of blackbuck. Almost all possible grids of the reserve were sampled and sampling grids outside the reserve were selected by stratifying for tree cover as observed through Google satellite imagery. A strip transect of 20 x 4m was laid inside selected grids and was scored for signs of blackbuck, livestock, carnivores and vegetation. Results from the study showed that blackbucks abundance inside the reserve was about 21.53% (14/65) and 42.73% (50/117) outside the reserve. The habitats preferred by blackbucks were grassland, crop fallow and savanna woodland with sparsely placed trees, all of which are in abundance outside the reserve. They also prefer habitats with burnt and freshly regenerating grass. The niche overlap of blackbuck and livestock indicates that both herbivore species prefer the same habitat. Nearly 58.6% (38/65) of sampling points inside the reserve had livestock presence and about 10.77% (7/65) of them overlapped with blackbuck presence. Similarly, 95.54% (107/112) of the sampling points outside the reserve had livestock presence and about 43.75% (49/112) of them overlapped with blackbuck presence. The findings of the current study indicate that blackbucks occupy areas outside the reserve due to a lack of proper habitat inside. Habitat restoration efforts inside the reserve and mandating against planting non-native and tall trees around the reserve are necessary to conserve blackbucks in the landscape.
Item Type: | Thesis (Masters) |
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Additional Information: | Copyright of this thesis belongs to the authors |
Subjects: | A ATREE Publications > M MSc Thesis |
Divisions: | Academy for Conservation Science and Sustainable Studies > MSc Thesis |
Depositing User: | ATREE Bangalore |
Date Deposited: | 14 Nov 2024 09:13 |
Last Modified: | 14 Nov 2024 09:13 |
URI: | http://archives.atree.org/id/eprint/249 |