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Polygonum polystachyum:Peril to Biodiversity of the Alpine Ecosystem, Western Himalaya, India
The serious problem facing the managers of protected areas and conservationists is how to maintain biodiversity in the face of natural and anthropogenic perturbations. Biological invasion as an anthropogenic ecological perturbation is threatening endemic biodiversity, preventing natural ecological succession and changing the community structure and composition, besides impacting the ecosystem services. Polygonum polystachium Wall. ex Meisn., is an herbaceous native species to Himalayan Region that belongs to family Polygonaceae.
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