Ağrı İlinin Vejetasyon Coğrafyası: Vejetasyon ve Relief Münasebetleri
Vegetation Geography of Ağrı Province: Vegetation and Relief Relationships

Summary/Abstract: This study, conducted within the borders of Agri Province, is a study on vegetation geography. The effects of relief (landform) factors on the formation, development, and distribution of the natural vegetation in the province have been examined and evaluated. Landforms in the province exert a dominant influence on the geographical character of the area. Depressions located at an elevation of 1,400 meters and altitudes exceeding 4,000 meters coexist within short distances. This has led to the emergence of rich plant diversity. Floristically, Agri Province is situated within the Paleoboreal Flora Region of the Holarctic Realm, specifically in the Turan–Western Asia Subregion. In terms of vegetation geography, it falls within the boundaries of the Irano-Turanian phytogeographical region. Overall, the area is a natural steppe habitat, which is clearly reflected in the plains. However, toward the mountainous areas, changing elevation, aspect, and slope conditions influence climatic factors, offsetting the effect of latitude. As a result of long-term field studies, plants on geomorphological units were identified, and formations were established. Accordingly, steppe dominates up to 2,000 meters, steppe–shrub–small forest patches are observed between 2,000 and 2,700 (2,800) meters, and herbaceous formations occur at higher altitudes.

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