Abstract
The study was carried out until 2018 intermittently, on condition that majority in 2014. The study area is located between Erzincan, Malatya, Elazığ and Bingöl cities in the Eastern Anatolia. Its whole is placed in the Irano-Turanian phytogeographic region and, in B7 and B8 squares according to Davis’ Grid System. During the study, 2950 samples were collected and 1559 of them were identified. The identification of these samples resulted 74 families, 386 genera and 922 taxa. The distribution of taxa by phytogeographic regions is as follows; Irano-Turanian elements 397 (43.1 %), Mediterranean elements 20 (2.2 %), Europe-Siberian elements 40 (4.3 %), East Mediterranean elements 14 (1.5 %), Euxine element 13 (1.4 %), Hyrcano-Euxine elements 3 (0.3 %), Sarmatian 1 (0.1 %), the cosmopolite or unknown distribution 434 (47.1 %). The number of endemic taxa is 150 (endemism ratio 16.3 %).
Highlights
The flora of Turkey has high endemism ratio and rich plant diversity due to its location at the connections of Europe, the Middle East, Central Asia, and Africa, and the interaction among Mediterranean, Irano-Turanian and Europe-Siberian phytogeographic regions (Davis, 1971; Gür, 2016).Tunceli is located on Anatolian diagonal in Eastern region of Turkey (Davis, 1971)
There are a lot of small and large streams flowing between mountains
Photos were taken in their natural habitats, GPS coordinates were recorded with their localities and habitat information
Summary
The flora of Turkey has high endemism ratio and rich plant diversity due to its location at the connections of Europe, the Middle East, Central Asia, and Africa, and the interaction among Mediterranean, Irano-Turanian and Europe-Siberian phytogeographic regions (Davis, 1971; Gür, 2016). Tunceli is located on Anatolian diagonal in Eastern region of Turkey (Davis, 1971). There are a lot of small and large streams flowing between mountains. This area is surrounded by Keban Dam, Pülümür River and the branches of Euphrates River. In Tunceli, the average annual temperature is 12.8 °C and the precipitation is about 857.9 mm per year.
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