ru
Bibliography / Красная книга Ленинградской области. СПб., 1999. Т. 1. Особо охраняемые природные территории

Красная книга Ленинградской области. СПб., 1999. Т. 1. Особо охраняемые природные территории


Subject / Nature memorials


Mentioned in articles:

Natural monuments
The natural monument is the category of the specially protected natural areas and in the international classification they have status of the natural monument. They are a small area, which include important natural objects (terrain feature, groves... more