VEGETOS: An International Journal of Plant Research & Biotechnology
(Society For Plant Research)

Research Articles


Volume: 32, Issue: 3, September 2019

Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
Pub Email:
Views: 116

Doi: 10.1007/s42535-019-00047-y
Doi Link:
First Page: 275
Last Page: 280
Published: 25 July, 2019

A baseline study of an abandoned mine site in Purnapani, Odisha: a step towards ecological restoration


The human influences on biodiversity and ecosystem functioning have deleterious impacts resulting in significant changes in land and resource sustainability. Ecological restoration is the process of overcoming damage caused by humans to the diversity and dynamics of an ecosystem. This can be done more successfully using artificial interventions if they mimic and accelerate the natural processes. A holistic approach is required to mitigate the impact of anthropogenic activities such as mining operations on the natural habitats. Purnapani, a valley situated in Sundargarh district of Odisha had an abandoned open cast limestone and dolomite quarry; without any restoration efforts for the last about 40 years. In order to initiate an effective restoration effort, community analysis was conducted to generate a base line status of the degraded abandoned site. Two sites were selected viz., a 40 years old abandoned overburden dump and a nearby stabilized area as a reference site. The analysis of community structure revealed a general decrease in species richness with an increase in disturbance. Species composition markedly varied among both the sites. Invasive plants like Chromalaena odorata (L.) R.M.King & H.Rob., Parthenium hysterophorus L. and Ludwigia octovalvis L. sp. were the dominant taxa to invade the over-burdened site. Also, it was evident that Margalef and Menhinick indices along with rank-abundance curve were the useful indicators for detecting and quantifying the extent of damage to the disturbed site.



Ecological restoration, Degraded sites, Overburden dump, Community analysis, Diversity indices, Species richness


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Acknowledgements :

Financial support by Department of Biotechnology (DBT), Government of India and Steel Authority of India Ltd. is gratefully acknowledged. We are also extremely grateful to Professor C.R Babu, CEMDE (Centre for Environmental Management of Degraded Ecosystems, University of Delhi) for his expert advice and guidance.

Author Information:

Sachin Kumar
Department of Botany, University of Delhi, New Delhi, India

Jaya Arora
Department of Botany, University of Delhi, New Delhi, India

Vibhuti Singh
Department of Botany, University of Delhi, New Delhi, India

Nidhi Seth
Department of Botany, University of Delhi, New Delhi, India

Suman Lakhanpaul
Department of Botany, University of Delhi, New Delhi, India

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