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phytosociology
Phytosociology is the branch of science which deals with plant communities, their composition and development, and the relationships between the species within them.〔Oxford English Dictionary〕 A phytosociological system is a system for classifying these communities. The term "phytosociology" was coined in 1896 by Józef Paczoski.〔Rabotnov TA. 1970-1979. Phytocoenology. In: The Great Soviet Encyclopedia, 3rd ed. ()〕
== Overview ==
The aim of phytosociology is to achieve a sufficient empirical model of vegetation using plant ''taxa'' combinations that characterize univocally vegetation units. Vegetation units as understood by phytosociologists may express largely abstract vegetation concepts (e.g. the set of all hard-leaved evergreen forests of western Mediterranean area) or actual readily recognizable vegetation types (e.g. cork-oak oceanic forests on Pleistocene dunes with dense canopy in SW-Iberian Peninsula). Such conceptual units are called "syntaxa" (singular "syntaxon") and can be set in a hierarchy system called "synsystem" or syntaxonomic system. The act of creation, amelioration or adjusting the synsystem is called "syntaxonomy". Therefore, the syntaxonomic system is putatively a sufficient empirical representation of vegetation of a given territory. An ''International Code of Phytosociological Nomenclature'', issuing the rules for naming "syntaxa" exists and its use has increased among vegetation scientists.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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