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VOL. 10, ISSUE 1 (2024)
A review on impact of anthropogenic stress on biodiversity in Himalayan region of India: A floristic analysis
Authors
Gousiya Majeed, Syed Aasif Hussain Andrabi, Sajjad Ahmad Khan
Abstract
After conducting a comprehensive analysis of numerous studies, it is
evident that significant changes have occurred in the floral patterns, soil
quality, soil erosion rate, and ecology of the anthropogenic activity zones in
the Himalayas. While the anthropogenic activities disturbed areas showed higher
plant diversity, they were predominantly dominated by shrubs and herbs,
including invasive alien species or non-native plants associated with food
grains. Consequently, the regeneration of plants in these disturbed zones was
categorized as 'poor' or 'fair'. The analysis of Relative Dominance Index (RDI)
also revealed that the dominant plant families in the anthropogenic activities
disturbed zones were unique, indicating a strong influence of human activities
on plant succession. However, the composition of trees remained the same in
both disturbed and undisturbed anthropogenic activity zones. The maturity index
and continuum index were relatively low in disturbed zones, indicating a slower
rate of succession, while the similarity index highlighted the notable
differences between the disturbed areas and undisturbed forests. The combined
indices have revealed that the presence of invasive alien species has resulted
in heightened competition among species and changes in species composition.
This ultimately poses a threat to the long-term survival of numerous native
species. These findings clearly demonstrate the impact of human activities,
which occur on a monthly basis throughout the year. However, in the tourism
area of the Himalayas, such significant disruptions have not been observed,
mainly due to the distinct nature of the activities taking place. To mitigate
and control the impact of human activities on the Himalayas, it is crucial to
enforce strict regulations based on scientific research and an action plan.
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Pages:65-68
How to cite this article:
Gousiya Majeed, Syed Aasif Hussain Andrabi, Sajjad Ahmad Khan "A review on impact of anthropogenic stress on biodiversity in Himalayan region of India: A floristic analysis". National Journal of Advanced Research, Vol 10, Issue 1, 2024, Pages 65-68
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