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Impact assessment of a hydroelectric project on the flora in the Western Himalayan region based on vegetation analysis and socio-economic studies

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  • Shradha Panwar
  • Devendra Agrawal
  • Girish Negi
  • Khilendra Kanwal
  • Vertika Sharma
  • Mahendra Lodhi
  • Jitendra Singh
  • Vishwapati Bhatt
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    Abstract

    This study provides an overview of the impacts of a proposed hydroelectric power project in the Western Himalayan region in India, using a primary database on floristic diversity and vegetation analysis. The remote sensing data revealed that in the submergence zone only mixed deciduous forest that occupies 807.5�ha area and has a wood biomass volume of 4,027,503�m3 is likely to be lost due to impoundment. A total of 165 plant species found in the submergence zone also occur in the influence and free draining catchment area of the project. In the influence zone of the project area only one tree species (Acer oblongum) is found under conservation threat category, which is also present in the free draining catchment of the project. The project affected population (6716 people) residing in the submergence and influence zone depend upon the surrounding forests for fuel wood, fodder, wild edibles etc., and most likely they will settle in the nearby areas, thus mounting more pressure on residual forests of the influence zone for various forest products. Further, from the vegetation analysis it is evident that several tree species (e.g. Lannea coromandelica, Terminalia alata, T. bellerica etc.), may face more pressure from exploitation as they provide a number of useful products and are represented in lower numbers in the forests of the project area. To compensate for the loss of various goods and services provided by the forests falling in the submergence zone and to offset the increased pressure of the project affected families on the forests of influence zone, a biodiversity management plan is suggested incorporating socio-economic considerations.

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    Bibliographic Info

    Article provided by Taylor & Francis Journals in its journal Journal of Environmental Planning and Management.

    Volume (Year): 53 (2010)
    Issue (Month): 7 ()
    Pages: 907-923

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    Handle: RePEc:taf:jenpmg:v:53:y:2010:i:7:p:907-923

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    Related research

    Keywords: conservation status; community dependence; hydropower potential; forest type; environmental impacts; submergence zone; Western Himalaya;

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    Cited by:
    1. Morimoto, Risako, 2013. "Incorporating socio-environmental considerations into project assessment models using multi-criteria analysis: A case study of Sri Lankan hydropower projects," Energy Policy, Elsevier, vol. 59(C), pages 643-653.

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