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Composition, species diversity, and biomass of the herbaceous community in dry tropical forest of northern India in relation to soil moisture and light intensity

Author

Listed:
  • R. Sagar

    (Banaras Hindu University)

  • A. Pandey

    (Banaras Hindu University)

  • J. S. Singh

    (Banaras Hindu University)

Abstract

Herb layer contributes substantially to the species diversity of forests and responds relatively quickly to changes in the environment. The objectives of the present study were to understand the relationships among tree canopy cover, soil moisture, light intensity, herbaceous diversity and biomass in a dry tropical forest of India. For this, 20 locations equally distributed in four sites were selected. Four quadrats, each 1 × 1 m in size, were randomly placed for sampling at each location. For each quadrat, tree canopy cover, incident light, soil moisture, herbaceous diversity, and biomass were determined. Results indicated that the selected locations differed in terms of tree canopy cover, soil moisture, light intensity, herbaceous diversity, and biomass. Principal component analysis (PCA), using importance value indices of the component species yielded four groups corresponding to the four communities. PCA axes were related to the tree canopy cover, light intensity, and soil moisture and suggested that these variables had a profound effect on the organization and determination of herbaceous floristic composition and diversity. Positive relationships of tree canopy cover with soil moisture, herbaceous diversity and biomass, and those of soil moisture with herbaceous diversity and biomass suggested that the tree canopies facilitated the herbaceous communities by modifying environmental conditions that ultimately improved the diversity and production. Further, the study showed a linear relationship of herbaceous diversity with biomass, indicating the importance of species diversity for generating primary production in forest herbs.

Suggested Citation

  • R. Sagar & A. Pandey & J. S. Singh, 2012. "Composition, species diversity, and biomass of the herbaceous community in dry tropical forest of northern India in relation to soil moisture and light intensity," Environment Systems and Decisions, Springer, vol. 32(4), pages 485-493, December.
    • Handle: RePEc:spr:envsyd:v:32:y:2012:i:4:d:10.1007_s10669-012-9414-5
    DOI: 10.1007/s10669-012-9414-5
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    Cited by:

    1. Sangsan Phumsathan & Kunanon Daonurai & Ekaphan Kraichak & Sarawood Sungkaew & Atchara Teerawatananon & Nantachai Pongpattananurak, 2022. "Effects of Fire on Diversity and Aboveground Biomass of Understory Communities in Seasonally Dry Tropical Forest in Western Thailand," Sustainability, MDPI, vol. 14(22), pages 1-17, November.
    2. Rahul Bhadouria & Pratap Srivastava & Rishikesh Singh & Sachchidanand Tripathi & Hema Singh & A. S. Raghubanshi, 2017. "Tree seedling establishment in dry tropics: an urgent need of interaction studies," Environment Systems and Decisions, Springer, vol. 37(1), pages 88-100, March.

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