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Information Journal Paper

Title

INVESTIGATION OF PLANT FUNCTIONAL DIVERSITY BASED ON FUNCTIONAL GROUPS IDENTIFICATION WITHIN THE SAFE AREAS OF THE GHAMISHLOO NATIONAL PARK, ISFAHAN PROVINCE

Pages

  93-108

Abstract

 Introduction: The study of functional and species diversity plays an important role in recognizing ECOSYSTEM FUNCTION and services and demonstrates the type of responses available to environmental changes. FUNCTIONAL DIVERSITY refers to a range and values of organism traits that affect ecosystem properties and is introduced in various ways, such as the number and proportional abundance of FUNCTIONAL GROUPS.Materials and methods: This study was carried out through identifying FUNCTIONAL GROUPS in safe regions of GHAMISHLOO NATIONAL PARK (Baghak, Aghel geni, Korelias, Kahvak, Tange Najaf Abadi and Tange Varposht) to identify ECOSYSTEM FUNCTION and evaluation of FUNCTIONAL DIVERSITY between regions. For this purpose, eight quantitative traits and four qualitative traits were selected. In order to identify the FUNCTIONAL GROUPS, at first a species–trait matrix was prepared and, then, clustering analysis was carried out using Ward method and Gower similarity distance by InfoStat software. After determining the richness of the FUNCTIONAL GROUPS, the diversity of the FUNCTIONAL GROUPS was analyzed by SDR4 and FDiversity software.Results and discussion: The main FUNCTIONAL GROUPS of the regions were: Chamaephytes plants that have devoted most leaf nutrients to their defensive structure; Hemicrypyophytes plants whose leaf area is high and are more successful in light acquisition; and Terophytes plants that have leaves with a short life span. The results showed that the FUNCTIONAL GROUPS’ richness is the same in the six regions (three FUNCTIONAL GROUPS) but, because of the difference in species composition and dominant traits of the groups, the FUNCTIONAL DIVERSITY of Kahvak region was higher. According to the results, as most FUNCTIONAL DIVERSITY indices use more than onetrait to describe the various plant performances, indices that measure species diversity (Shannon Wiener, Simpson and others) are inefficient.Conclusion: In determining FUNCTIONAL DIVERSITY, it is better to use numerical FUNCTIONAL DIVERSITY indices (such as the Community-Weighted Mean Index) in addition to determining the FUNCTIONAL GROUPS’ richness to acquire more useful information about ECOSYSTEM FUNCTION.

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    APA: Copy

    AKKAFI, HAMID REZA, EJTEHADI, HAMID, & SEPEHRY, ADEL. (2017). INVESTIGATION OF PLANT FUNCTIONAL DIVERSITY BASED ON FUNCTIONAL GROUPS IDENTIFICATION WITHIN THE SAFE AREAS OF THE GHAMISHLOO NATIONAL PARK, ISFAHAN PROVINCE. ENVIRONMENTAL SCIENCES, 15(3 ), 93-108. SID. https://sid.ir/paper/117391/en

    Vancouver: Copy

    AKKAFI HAMID REZA, EJTEHADI HAMID, SEPEHRY ADEL. INVESTIGATION OF PLANT FUNCTIONAL DIVERSITY BASED ON FUNCTIONAL GROUPS IDENTIFICATION WITHIN THE SAFE AREAS OF THE GHAMISHLOO NATIONAL PARK, ISFAHAN PROVINCE. ENVIRONMENTAL SCIENCES[Internet]. 2017;15(3 ):93-108. Available from: https://sid.ir/paper/117391/en

    IEEE: Copy

    HAMID REZA AKKAFI, HAMID EJTEHADI, and ADEL SEPEHRY, “INVESTIGATION OF PLANT FUNCTIONAL DIVERSITY BASED ON FUNCTIONAL GROUPS IDENTIFICATION WITHIN THE SAFE AREAS OF THE GHAMISHLOO NATIONAL PARK, ISFAHAN PROVINCE,” ENVIRONMENTAL SCIENCES, vol. 15, no. 3 , pp. 93–108, 2017, [Online]. Available: https://sid.ir/paper/117391/en

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