Projected Biological Impacts
If built, the Yusufeli Dam will is expect to have significant biological impacts including:
- Adversely affecting 21 nationally listed threatened plant species, of which all except one are endemic to Turkey. Of these threatened species 2 taxa are limited to Yusufeli and its surroundings, 8 are limited to the Çoruh Valley, and 6 to the Artvin-Erzurum area. Turkish Red Book for Plants shows that of these, 7 species are critically endangered, 5 are endangered and 9 are vulnerable.
- Adversely affecting 12 nationally listed threatened mammal species including the; Wild Goat (Capra aegagrus), Chamois (Rupicapra rupicapra), Persian Squirrel (Sciurus anomalus), Forest Dormouse (Dryomys nitedula), Brown Bear (Ursus arctos), Eurasian Badger (Meles meles), Gray Wolf (Canis lupus), Mediterranean Horseshoe Bat (Rhinolophus euryale), Lesser Horseshoe Bat (Rhinolophus hipposideros), Greater Mouse-Eared Bat (Myotis myotis), Schreiber’s Bat (Miniopterus schreibersi) and Pipistrelle Bat (Pipistrellus pipistrellus). Of these species the Mediterranean Bat and Wild Goat are internationally listed on IUCN Red List of Threatened Species.
- Adversely affecting 2 nationally threatened fish species, the Black Sea Salmon (Salmo trutta labrax) and Brown Trout (Salmo trutta macrostigma). The Black Sea Salmon’s migration will be blocked because of this and the other planned and built dams. Existing populations of fish will be adversely affected by the construction of the dam and another 6 species populations may not recover due to the reduction of creek and river habitat needed for breeding.
- Potentially adversely affecting 5 butterfly and 1 dragonfly regionally rare species (Polyommatus poseidon, Pseudophilotes vicrama, Pyrgus cirsii, Scolitantides orion, Thymelicus acteon, and Onychogomphus assimilis) of which 2 are listed in the IUCN red list Pyrgus cirsii and Onychogomphus assimilis.
| Species | Endemic | Threat level | Distribution in Turkey |
|---|---|---|---|
| Reseda globosa | No | Critically endangered | Coruh Valley |
| Lathyrus woronowii | Endemic | Critically endangered | Coruh Valley |
| Ferula mervinii | Endemic | Critically endangered | Yusufeli & its vinicity |
| Anthemis calcarea var calcarea | Endemic | Critically endangered | Artvin-Erzurum |
| Anthemis calcarea var discoidea | Endemic | Critically endangered | Artvin-Erzurum |
| Centaurea straminicephala | Endemic | Critically endangered | Coruh Valley |
| Centaurea leptophylla | Endemic | Critically endangered | Yusufeli & its vinicity |
| Clypeola raddeana | Endemic | Endangered | Coruh Valley |
| Morina persica var decussatifolia | Endemic | Endangered | Artvin-Erzurum |
| Campanula troegeraeƒ | Endemic | Endangered | Artvin-Erzurum |
| Verbascum gracilescens | Endemic | Endangered | Coruh Valley |
| Asperula virgata | Endemic | Endangered | Coruh Valley |
| Acer divergens var divergens | Endemic | Vulnerable | Coruh Valley |
| Sempervivum staintonii | Endemic | Vulnerable | Coruh Valley |
| Seseli andronakii | Endemic | Vulnerable | Artvin-Erzurum |
| Bupleurum brachiatum | Endemic | Vulnerable | Middle & East Blacksea |
| Bupleurum schistosum | Endemic | Vulnerable | Coruh Valley |
| Centaurea pecho | Endemic | Vulnerable | East Blacksea |
| Centaurea hedgei | Endemic | Vulnerable | Artvin-Erzurum |
| Linaria genistifolia subsp artivinensis | Endemic | Vulnerable | Coruh Valley |
| Iris taochia | Endemic | Vulnerable | East Blacksea |
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