NEW STOPPING RULES FOR DENDROGRAM CLASSIFICATION IN TWINSPAN

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ESMAILZADEH OMID; SOLEYMANIPOUR SEYEDEH SAMIRA; HOSSEINI SEYED MOSEN; ASADI HAMED

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Paper Information

Journal: JOURNAL OF TAXONOMY AND BIOSISTEMATICS Year:2016 | Volume:7 | Issue:25 Page(s): 53-68

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Title

NEW STOPPING RULES FOR DENDROGRAM CLASSIFICATION IN TWINSPAN

Author(s)

ESMAILZADEH OMID | SOLEYMANIPOUR SEYEDEH SAMIRA | HOSSEINI SEYED MOSEN | ASADI HAMED | Issue Writer Certificate

Keywords

TWINSPANQ3

CLUSTER ANALYSISQ3

INDICES OF HETEROGENEITYQ3

VEGETATION CLASSIFICATIONQ2

Abstract

The aim of this study is to propose a modification of TWINSPAN algorithm with introducing new stopping rules for TWINSPAN. Modified TWINSPAN combines the analysis of heterogeneity of the clusters prior to each division to prevent the imposed divisions of homogeneous clusters and it also solved the limitation of classical TWINSPAN in which the number of clusters increases power of two. For this purpose, ecological groups of Box tree stands in Farim forests were classified with using classical and modified TWINSPAN basis of plant species cover percentage of 60 plots with 400 m2 surface area which were made by releve method (by consideration of indicator stand concept). In this relation, five different heterogeneity measures including Whittaker’s beta diversity and total inertia, Sorensen, Jaccard and Orlo'ci dissimilarity indices which representing diversity and distance indices respectively were involved. Sample plots were also classified from basis of topographical properties using CLUSTER ANALYSIS with emphasizing Euclidean distance coefficient and Wards clustering method. Results showed that using of two sets of heterogeneity indices lead to different classification dendrograms. In this relation, results of Whittaker’s beta with total inertia as diversity indices were similar and the other three dissimilarity indices have shown similar behavior. Finally, our results reiterated that modified TWINSPAN did not alter the logic of the TWINSPAN classification, but it increased the flexibility of TWINSPAN dendrogram with changing the hierarchy of divisions in the final classification of ecological groups of Box tree stands in Farim forests.

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APA: Copy

ESMAILZADEH, OMID, SOLEYMANIPOUR, SEYEDEH SAMIRA, HOSSEINI, SEYED MOSEN, & ASADI, HAMED. (2016). NEW STOPPING RULES FOR DENDROGRAM CLASSIFICATION IN TWINSPAN. JOURNAL OF TAXONOMY AND BIOSISTEMATICS, 7(25), 53-68. SID. https://sid.ir/paper/160182/en

Vancouver: Copy

ESMAILZADEH OMID, SOLEYMANIPOUR SEYEDEH SAMIRA, HOSSEINI SEYED MOSEN, ASADI HAMED. NEW STOPPING RULES FOR DENDROGRAM CLASSIFICATION IN TWINSPAN. JOURNAL OF TAXONOMY AND BIOSISTEMATICS[Internet]. 2016;7(25):53-68. Available from: https://sid.ir/paper/160182/en

IEEE: Copy

OMID ESMAILZADEH, SEYEDEH SAMIRA SOLEYMANIPOUR, SEYED MOSEN HOSSEINI, and HAMED ASADI, “NEW STOPPING RULES FOR DENDROGRAM CLASSIFICATION IN TWINSPAN,” JOURNAL OF TAXONOMY AND BIOSISTEMATICS, vol. 7, no. 25, pp. 53–68, 2016, [Online]. Available: https://sid.ir/paper/160182/en

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