THE USE OF THE COLE/HURLBERT-C8 ASSOCIATION COEFFICIENT IN INVERSE ECOLOGICAL CLASSIFICATION

被引：8

作者：

WILSON, JB

PARTRIDGE, TR

SYKES, MT

机构：

[1] Botany Department, University of Otago, Dunedin

[2] Botany Division, Dsir, Christchurch, Private Bag

[3] Institute of Ecological Botany, Uppsala University, Uppsala, 751 22

来源：

JOURNAL OF VEGETATION SCIENCE | 1990年 / 1卷 / 03期

关键词：

Ecological grouping; Ecophysiological data; Inverse analysis; New Zealand; Salinity; Salt marsh; Species association;

D O I：

10.2307/3235713

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Abstract. Inverse classification is routinely used in vegetation surveys to produce groups of sociologically similar species. However, no classification methods have been proposed specifically for this purpose, nor has any evaluation been made of the suitability of existing methodsforthe purpose. Anewvariant of Cluster Analysis is introduced, i. e. using the Cole/Hurlbert association measure C8 as coefficient, and named for convenience Cole Cluster Analysis. This method, and four standard ones, were used on saltmarsh vegetational data from New Zealand. Ecophysiological data were obtained from salt‐tolerance experiments. These data, and distributional information, were used as independent criteria against which to compare the inverse vegetation classifications. Information Analysis did not prove suitable for inverse analysis in this test. Nor did Cluster Analysis with the Simple Matching Coefficient or with Jaccard's coefficient. Indicator Species Analysis was more suitable, but the new Cole Cluster Analysis seemed the most effective on these data. 1990 IAVS ‐ the International Association of Vegetation Science

引用

页码：367 / 374

页数：8

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