Open AccessDistribution of soil types, vegetation and tree species diversity in Eastern Ghats of Srikakulam District, Andhra Pradesh, India
Author(s) -
Rao D Srinivasa,
Murthy P Prayaga,
Kumar O Aniel
Publication year - 2014
Publication title -
international journal of biodiversity and conservation
Language(s) - English
Resource type - Journals
ISSN - 2141-243X
DOI - 10.5897/ijbc2014.0698
Subject(s) - transect , species richness , geography , vegetation (pathology) , loam , species diversity , forestry , ecology , vegetation type , soil water , agroforestry , environmental science , biology , grassland , medicine , pathology
The present investigation was carried out on distribution of soil types, vegetation and tree species diversity in Eastern Ghats of Srikakulam District, Andhra Pradesh, India. The inventory of tree species was done in 40 different forest areas of Srikakulam district. All the sample plots are tropical and moist thorny forest and dry thorny scrub forests of Srikakulam district. The soils of the study area are compressed red soils, loamy soils, sandy loams, with varying proportions of sand and clay and it constitute 96% of the total area; red sandy soil is the common type. Tree species richness varied according to the disturbance gradient in the different stands, a total of 4744 individuals, belonging to 129 species, 96 genera among 46 families from 40 line transects were recorded in the study area. Species richness ranging from 47 to 9 in a transect was recorded in the present study. Highest species richness of sizes 47 for 65-N/14 (SW-3, 65N-14 NW-3) was seen at Haddubanghi and lowest diversity 9 was seen at Korasanda 74-B/1(SE-1).
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