AKDAG (OLUR, ERZURUM) FLORASI

Erzurum ili, Olur ilcesi smtrlan icerisindc bulunan Akdag (2466 m) floras: uzerinde yaptlan bu arasurmada, sahadan 1996-1997 yillan arasmda 305 tur ve tur altt takson toplanrrus ve bunlar aymrn anahtarlan ile birlikte verilrnistir. Bu bitkilerin 38'i (%12.4) Turkiye icin endemiktir. Bu enderniklerin % 60.5'i iran-Turan, % 5.3'li Avrupa-Sibirya ve % 5.3'li Akdenz elementidir. Fitocografi bolgeleri tespit edilen taksonlardan %57'si iran- Turan, %35'i Avrupa-Sibirya ve % 8'i Akdeniz bolgesine aittir.Toplanan bitkilerin hayat forrnlanna gore dagilrrrunda hemikriptofitler % 48.9 oran ile ilk sirayi alrnaktadrr, Daha sonra srrasiyla kamefitler %15.7, terofitler %15.1, geofitler % 10.2, fanerofitler %9.2 ve vaskuler-yan parazitler %O.98'dir. Ihtiva ettigi tur sayisi bakirrundan alanda ilk siralan alan buyuk familyalar Compositae (Asteraceae) (48),Leguminosae(Fabaceae) (31), Labiatae (30), C;' 'mineae (Poaceae} (21), Caryophyllaceae (17), Cruciferae (Brassiceceae) (13), Umbelliferae (Apiaceae) (12), Rosaceae (11) ve Liliaceae (11) dir. Cinsler ise Centaurea (8), Astragalus (7), Salvia (6), Unum (5),Onobrychis (5) ve Stachys (5)'dir.

Anahtar Kelimeler:

Akdağ, Flora, Olur, Türkiye

THE FLORA OF AKDAG (OLURJERZURUM)

The 110ra of Akdag (2466 rn). located in the district of the town, Olur, Erzururn Turkey. was investigated. This study was carried out between 1996 and 1997 and 305 taxa were collected. These taxa are given with the identification keys. 12.4 percent was found as endemic for Turkey. These endemics are as follows: 60.5 % lrano- Turanian, 5.3 % Euro-Sibcrian and S.3 % Mediterranean elements. The distribution of the species according to the life forms arc: hernicryprophytes come first with the rate of 48.9 (x, after that. chamacphytes with the rate of IS.7 %. thcrophytcs, geophytes. phancrophytcs and vascular hem-parasites are 15.1 %, 10.2 '70. 9.2 % and 0.98 % respectively The families which have the most taxa in research area are: Compositae (Astcraccac} (48). Leguniinosae (Fabaceae) (31). Labiatae (Latuiaccac ) (30). Grainincac (Poaceae ) (21). Carvoplivllaceac (17). Cruciferae (Brassicaceae) (13). Unibellifcrac (Apiaceae) (12). Rosaceae (11) and l.iliaccac (11). Concerning with the number of species the major genera arc; Centaurca (8), As/raga/lis (7). Sa/via (6). Linum (S).Ollobrychis (S) and Stachys (5).

Keywords:

Akdag, Flora, Olur, Turkey.,

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