EVALUATION OF THREAT CATEGORIES OF THE ENDEMIC PLANTS OF DEVECI MOUNTAINS (YOZGAT-TOKAT/TURKEY)

Year 2019, Volume: 28 Issue: 1, 22 - 34, 30.06.2019

M. Umit Bıngol , Neslihan Balpınar , Kerim Guney , Fatmagul Geven , Osman Ketenoglu , Munevver Arslan Mehmet Karakas

Abstract

This study based on the
vegetation field survey between April 1993 and October 1997 is done for the
purpose of determining the vegetation of Deveci Mountains (Yozgat-Tokat). During
the plant vegetation seasons, 1400 plant samples were collected from the
research area. 456 taxa and 262 genera to be belonging to 63 families were
determined. In the survey area, five different vegetation types coniferous and
deciduous forest, scrub, steppe, rocky and wet grassland were present. The
threat categories of the endemic
species of Deveci Mountains were determined and evaluated according to ‘Red
Data Book of Turkish Plants’, which was prepared by using IUCN criteria. A
total of 65 plant taxa were determined as endemic (14.25% of all taxa). Highest
ratios of endemic taxa were from families Fabaceae
(16.92%) and Lamiaceae (16.92%).
Phytogeographic regions (Chorotypes) among endemic taxa were listed as
Irano-Turanian 35 (53.85%), Eastern Mediterranean 3 (4.62%), Euxine 2 (3.08%),
Euro-Siberian 1 (1.54%), while phytogeographic origin of (24 taxa) 36.92% of
endemic taxa were Unknown. As endemic taxa and their threat categories are
evaluated, 1 (1.54%) species was found to in Endangered, 4 (6.15%) in
Vulnerable, 7 (10.77%) in Near Threatened and 53 (81.54%) in Least Concern
according to IUCN criteria. When the plant taxa were classified and analysed
according to Raunkiaer’s life forms, Hemicryptophytes were determined to be the
most common plant taxa (76.92%), Chamaephytes come next (9.23%), is followed by
the Therophytes (7.69%), and then come Phanerophytes (4.62%). While Geophytes
have the least number of plant taxa with 1 species (1.54%).

Keywords

Deveci Mountains, A5, A6, B5, Yozgat, Tokat, Turkey, endemic plants, threat categories, IUCN

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