PRESERVATION OF RELICT REFUGIUM IN THE ECOTONE ZONE OF THE MIDDLE AMUR
The paper proposes to give a protected status to the territory located in the upper and middle reaches of the Kur and Urmi rivers (Amur and Khabarovsk administrative regions of the Khabarovsk territory). It is a refugium with macro-and microecotones of different ranks, which is determined by the presence of morphostructures (the Bureinsky ridge in the west, the Kukansky and Dzhaki-Unakhta-Yakbayana ridges in the east, and the Badzhalsky ridge in the north).
Elevation changes from 300 to 2000 m, rapid changes in the gradients of continental and oceanic climates, and a variety of rock formations have created conditions for the existence of floral complexes of different origin and ecology: both forest (relict spruce forests with Pentactina), and high-altitude, included in the Red Data books of different ranks (Snowdon rose - Rhodiola rosea), etc.
Krasnaja kniga Habarovskogo kraja. Redkie i nahodjashhiesja pod ugrozoj ischeznovenija vidy rastenij, gribov i zhivotnyh (Red Book of the Khabarovsk Territory. Rare and endangered species of plants, fungi and animals). Voronezh: Mir Publ., 2019. 603 p. (In Russ.).
Schlotgauer S.D. Necessity of Maintenance of Forest Ecosystems in the Kur River Basin (Khabarovsk Territory). Regional’nye problemy, 2017, vol. 20, no. 2, pp.13–20. (In Russ.).
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