COI code: JR_IJABBR-6-3_006
Paper Language: English
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Authors Providing a essay about: study on the spatial pattern of biodiversity caused by implementing agroforestry methodsHamid Ahani - PhD Candidate of Forestry, Sari Agricultural Sciences and Natural Resources University, Iran
Hamid Jalilvand - Associate Professor of Forest Ecology, Sari Agricultural Sciences and Natural Resources University, Iran
Abstract:Forests are biologically diverse systems, representing some of the richest biological areas on Earth. They offer a variety of habitats for plants, animals and micro-organisms. However, forest biodiversity is increasingly threatened as a result of deforestation, fragmentation, climate change and other stressors. Biodiversity is the variation of life forms within a given ecosystem, biome, or on the entire Earth. Hypothesis of this paper is method of investigation in agro biodiversity for conservation biodiversity beside economic products. Biodiversity is often used as a measure of the health of biological systems. The biodiversity found on Earth today consists of many millions of distinct biological species. The year 2010 has been declared as the International Year of Biodiversity. Biodiversity is not distributed evenly on Earth, but is consistently rich in the tropics and in specific localized regions such as the Cape Floristic Province; it is less rich in Polar Regions where fewer species are found. Research on biodiversity has been investigated in the species diversity level. The objective of these researches was to study of every plant dispersion spatially woody plants and biodiversity of associated woody species in forests. In addition, type of woody species identified and is documented. Shannon-Wiener ̓s and Simpson ̓s diversity indices are used for evaluating of woody species diversity; also, evenness and richness indices will be calculated. For detecting relationships between diversity indices with richness and evenness, correlation of Simpson s index with its evenness and etc must be analysed. D is Simpson ̓s index and N2 is N2HILL that is applied for very abundant species. H is Shannon-Wiener ̓s index and N1 is McArthur is applied for abundant species. In order to provide a research we can apply every index of biodiversity and spatial pattern formulas to appraisal diversity in agroforestry and other methods such as agro sylvo pasture, aqua forestry and wood culture. In developing countries agroforestry compilation and match of culture in farming must be side conservation on biodiversity.
Keywords:Agroforestry, Biodiversity, Forest
COI code: JR_IJABBR-6-3_006
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Ahani, Hamid & Hamid Jalilvand, 2018, Providing a essay about: study on the spatial pattern of biodiversity caused by implementing agroforestry methods, International journal of Advanced Biological and Biomedical Research 6 (3), https://www.civilica.com/Paper-JR_IJABBR-JR_IJABBR-6-3_006.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Ahani, Hamid & Hamid Jalilvand, 2018)
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Type: state university
Paper No.: 5712
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