Environmental implications of Biological spectrum vis-à-vis tree species diversity in two protected forests (PFs) of Gandhamardan hill ranges, Eastern Ghats, India

S. C. Sahu (), N. K. Dhal and B. Datt
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S. C. Sahu: CSIR
N. K. Dhal: CSIR
B. Datt: NBRI (CSIR)

Environment Systems and Decisions, 2012, vol. 32, issue 4, 420-432

Abstract: Abstract Environmental implications of Biological spectrum vis-à-vis tree species diversity in two protected forests of Gandhamardan hill ranges of Eastern Ghats, India, are of great ecological significance in the perspective of climatic change. Biological spectrum includes phanerophytes (38.4 %), nanophanerophytes (11.4 %), chamaephytes (5.5 %), hemicryptophytes (2.4 %), geophytes (4.1 %), hydrophytes (0.7 %), therophytes (27.3 %), and lianas (10 %). The comparison with Raunkiaer’s normal spectrum depicts “Phanero-Therophytic Phytoclimate”. The present study enlisted of a total of 10,775 trees belonging to 90 tree species within a 17.6 ha sampled area (441 plots). The Shannon–Weiner index (H′) is 3.92 (Site-I) and 3.31 (Site-II) with Simpson’s value 1.0. This value indicates that the tropical moist deciduous forests are also species diverse systems. Mean stand density was 671 ha−1 in Site-I and 565 ha−1 in Site-II. Ascertaining the phytoclimate of Gandhamardan hill ranges vis-à-vis tree species diversity and comparing the area on a geographical scale would be helpful for conservation and management of the study area.

Keywords: Biological spectrum; Life-form; Tree species diversity; Gandhamardan hill ranges; Eastern Ghats; India (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/s10669-012-9405-6

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