Soil and vegetation analysis of rehabilitated and unrehabilitated area in an inactive copper mined out site in mogpog, Marinduque, Philippines

Abstract

© 2019, International Society for Southeast Asian Agricultural Sciences. All rights reserved. After 10 years of establishing rehabilitation strategies, the present study analyzed the soil (i.e. pH, organic matter, N, P, K, Cu, bulk density and water holding capacity) and plant diversity to evaluate the 10 year rehabilitation efforts carried out in an inactive copper mined out site of Consolidated Mines Incorporated (CMI) in Mogpog, Marinduque, Philippines by the then University of the Philippines Los Baños Bioremediation Team. During the revisit of the area in 2016-2017, the experimental site was divided into rehabilitated and unrehabilitated areas by establishing six (6) 20m x 20m quadrats. Comparison of soil samples was done through Student’s t test, while vegetation analysis was done by measuring the plant diversity using the species richness and Species Importance Value (SIV). After 10 years of rehabilitation, there was a minimal difference in soil characteristics between rehabilitated and unrehabilitated area except for pH. Vegetation analysis showed significantly higher mean species richness under rehabilitated area as compared with the unrehabilitated area. The rehabilitated area was dominated by vines and trees and had greater number of seedlings and saplings, while grasses dominated the unrehabilitated area. These findings showed the benefits of rehabilitation established.

Source or Periodical Title

Journal of the International Society for Southeast Asian Agricultural Sciences

ISSN

8593132

Page

118-129

Document Type

Article

Subject

Assessment, Bioremediation, Diversity, Mycorrhizal fungi

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