Geografie 1967, 72, 214-234
To the Problem of the Biogeographical Regionalization
The author deals in his paper with the problem of the biogeographical regionalisation being a part of the physico-geographical regionalization of Czechoslovakia. The historical development showed that the terms region and regionalization have a different meaning in the individual disciplines. This spatial classification infringes the principles of integral know-how of nature in space and time due to the classification of the Earth surface according to certain classification marks chosen by the authors from their own subjective point of view. Some authors think the "Landschaft" the basic unit of regionalization, others regard as the base of regionalization the physico-geographical territory, natural region, area, small area, locality (= urochishche) or the facies. Within the scope of physico-geographical regionalization we meet even with the classification of the organic cover. It is necessary to distinguish here the typological and the regional regionalization. The former is based on the special physiognomy of the associations, the latter on physico-geographical units. Both tendencies have often been confused till how. In the typology of the organocomplexes we regard as the basic unit the biogeocenosis (ecosystem in Anglo-Saxon terminology) standing out for its physiognomy and chorology. The higher unit are then groups of biogeocenoses the appearance of which is given by the substratum and by the differences in the height and exposure climate. These are grouped into geobioms conditioned mainly by the macro-climate. The homogenity of the environment groups them into three biocycles. The Earth is finally the condition of the existence of the biogeosphere (Zlatník 1956). If need be, they can be divided into further subgroups. Our regional biogeographical regionalization is based on orographic units (Demek 1964) and is characterised with the aid of groups of biogeocenoses ordered into vegetation tiers according to Zlatník (1959). The share of the individual tiers in the given orographic unit is expressed in circle diagrams (Fig. 5-6). The individual tiers are accompanied by schemes of the subsequent groups of the biogeocenoses in which there are involved whole organocomplexes i. e. the flora and the typical fauna. This is accordingly a potential map expressive of the landscape potency which is also of practical importance for our economy.
