AI Article Synopsis
- The study examined evergreen forest communities in the Kumaun Himalaya at elevations between 1580-2600 meters, identifying dominant tree species like Quercus leucotrichophora and Pinus roxburghii in various forest types.
- Total density of tree, shrub, and herb layers varied widely, indicating diverse ecological characteristics, with tree density ranging from 3.7 to 10.5 individuals per 100m².
- Five distinct forest types with varying species richness and diversity were identified, showcasing how vegetation patterns change with altitude in these ecosystems.
Article Abstract
Evergreen forest communities distributed within 1580-2600 m above sea level (asl) in Kumaun Himalaya were studied. Quercus leucotrichophora A. Campus, Q. floribunda Lindl. ex Rehder Q. semecarpifolia J.E. Smith and Pinus roxburghii Sarg. are the dominant tree species in banj-oak, tilonj-oak, kharsu-oak and chir-pine forests, respectively. Total density for tree, shrub and herb layer varied from 3.7 to 10.5 (individual 100 m(-2)), 2.0 to 38.8 (individual 100 m(-2)) and 5.5 to 44.0 (individual m(-2)), respectively. A total of five forests types (27 stands) were identified in the field on the basis of species richness and species diversity by applying polar ordination method. The diversity value fortree, shrub and herb layer ranged from 0 to 3.62, 0.36 to 3.85 and 1.23 to 4.21, respectively. Present study indicates the spatial patterns of vegetation in different forest communities at different altitudes.
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