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Research Article Open access CC BY 4.0

Structure and Floristic Composition of Existing Agroforestry Systems in Allahabad District of Uttar Pradesh, India

Rajiv Umrao, B. Mehera, Hemant Kumar

International Journal of Environment and Climate Change · pp. 815–826 · Published 6 May 2024

10.9734/ijecc/2024/v14i44160

Abstract

The study on the Structure and Floristic Composition of Agroforestry Systems was conducted in the agricultural fields of Kashari village (site-I) and Korihar village (site-II) in Allahabad District, Uttar Pradesh, India, from 2008 to 2010. Quantitative characteristics of the vegetation were assessed using the quadrat method. Floristic diversity was examined through random sampling, with 20 quadrats of 10m x 10m each. Parameters such as density, frequency, abundance, Importance Value Index (IVI), species diversity, dominance concentration, species richness, equitability, and beta diversity were analyzed through basic arithmetic calculations for comparing different agroforestry systems. In each site, 20 quadrats of 10m x 10m were established to observe trees and shrubs. The vegetative structure of trees and shrubs in each site was evaluated for frequency, density, and abundance using expressions formulated by Curtis and McIntosh in 1950. The dominant tree species observed in both study sites was Acacia nilotica. Kashari site exhibited superior values in terms of Concentration of Dominance (Simpson Index), Equitability, Beta diversity, and Species diversity. However, Korihar site showed higher species richness.

Floristic agroforestry herbaceous geographical location

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