Habitat Management Interventions in Kanha
Transcription
Habitat Management Interventions in Kanha
HS Negi Field Director Kanha Tiger Reserve The image cannot be display ed. Your computer may not hav e enough memory to open the image, or the image may hav e been corrupted. Restart y our computer, and then open the file again. If the red x still appears, y ou may hav e to delete the image and then insert it again. Bhoramdeo Wildlife Sanctuary ( (Chhatisgarh) g ) Unique wildlife species: Hard ground barasingha (Cervus duvauceli branderi) • • Rs. 335.41 lakhs (69.33 lakhs from MP Forestry Proj. & 266.08 lakhs from Kanha VN) deposited as credibility fund with the EDCs Rs. 16.048 lakhs provided as soft-loans to 784 beneficiaries for income generation • 1933: Sanctuary y notified (233 sq. km.) • 1976: Added to National P k (total Park (t t l area off the th National Park 940 sq. km.) • 1977: Surrounding areas identified as Buffer • 1995: Notified under unified control of Tiger Reserve (1005 sq. km.) • 2010: Area expanded under new notification (total area of Buffer Zone 1134 sq. sq km km.)) 2009: Translocation/ reintroduction of a tigress into the Panna Tiger Reserve 2011: Translocation/ reintroduction of gaur g (Indian bison) into the Bandhavgarh Tiger Reserve 2011: Translocation/ reintroduction of a tigress (raised and trained in captivity) into the Panna Tiger Reserve • Anthropogenic in nature • Woodland – agricultural fields – grasslands • • Sites off relocated Sit l t d villages ill Prevalent land use practices • Cultivation, farming, shifting cultivation, grazing, burning, tree cutting and other on-ground practices • P t Pasturelands l d in i the th pastt • Immense grazing pressure • Grazing g by y large g herds of village g cattle and herbivores • Mixed herds of herbivore and g cattle a common sight • Frequent fires • Importance of conservation at landscape level • Kanha – utmost important for the dispersal of tigers • Very significant eco-region • Promising ecological connectivity • • • The Kanha ecosystem: an excellent mosaic of habitat types 6 broad vegetation & 13 vegetal cover types Grasslands: the mainstay y of ungulate g p populations p • • • • • • • 45 forest villages in the mid-60s mid 60s First relocation in 1969 Resulted in the release of additional habitat for the barasingha Latest atest relocation e ocat o in 2010 0 0 A total of 28 forest villages relocated H bi Habitats off around d 60 sq. km. k reclaimed Abandoned village g site now excellent habitats • • • • • • • • • Chronic grazing pressure deteriorates grasslands Such grasslands/ parts fenced in to stop t grazing i Relieved from grazing for 3 seasons Good grass growth is seen Opened-up again for grazing Highly degraded grasslands need special treatment Th Thoroughly hl ploughed l h d and d fenced f d in i Local grass species transplanted before rains O Opened-up d again i for f grazing i • Unpalatable, compete with palatable grasses p g • Common examples are lantana, cassia tora and parthenium, Pogostemon & Sida etc. • Such S h grasslands l d identified, id tifi d earmarked and weeded • Grasslands tend to be encroached by woody species from periphery • Mushrooming all over grasslands in time • If remain untreated, grasslands will disappear identified, • Such grasslands identified earmarked and brushwood species uprooted • • • • • • • Harbours highly endangered hard ground barasingha Specific habitat requirements Narrow niche Parturition needs tall grass for concealment from predators Grass species like Saccharum spontanium, Bothriochloa odorata, Heteropogon contortus transplanted After 3 seasons fences opened-up Good refuge g for fawns in September - October • • • • • • Water requirement be fulfilled within home ranges Waterbodies dry up during the pinch period Proper water distribution to be ensured Areas to be identified for water impo ndment structures impoundment str ct res Special waterbodies for the barasingha Creation of wallows