4.4 Article

Threat categorisation and conservation prioritisation of floristic diversity in the Indian Himalayan region: A state of art approach from Manali Wildlife Sanctuary

Journal

JOURNAL FOR NATURE CONSERVATION
Volume 18, Issue 3, Pages 159-168

Publisher

ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.jnc.2009.08.004

Keywords

Floristic diversity; Conservation priority index; Native; Endemic; Extraction; Population

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Strategies have been suggested by many conservationists to conserve biodiversity at regional, national and global levels. However, conservation strategies developed in the past were mostly based on qualitative attributes or one or two attributes. In the Himalayan region biodiversity varies from aspect to aspect, habitat to habitat and community to community therefore, location specific studies are required for its conservation and management. In the present study an approach has been developed to prioritise species at local level using six conservation attributes. Threat categorisation of the floristic diversity was undertaken based on Conservation Priority Index. Of the total 637 species of vascular plants recorded, 10 species were categorised as critically endangered; 15 species as endangered and 31 species as vulnerable. Two species as critically endangered, seven species as endangered and three species as vulnerable according to IUCN have been also recorded which indicated the importance of the sanctuary. Maximum threatened species were found in altitudinal zones 2000-2800m and sites dominated by Betula utilis and Rhododendron campanulatum in forest and alpine zones, respectively. The two factors of over exploitation and habitat degradation have been identified as major threats to the floristic diversity. Therefore, monitoring of population and habitats, development of conventional protocol; establishment of species in-situ conditions and akin habitats and replication of this approach in other parts of Indian Himalayan Region have been suggested. (C) 2009 Elsevier GmbH. All rights reserved.

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