Usually with the round year ornithlogical monitoring the firm Ecotan LTD works out Apropriate Assssments (AA) of different investment proposals with protected zones of Natura 2000. Some of them are listed bellow:
- AA of windfarm „Izvorsko“
- AA of windfarm „Dobrin-Zhiten“
- AA of windfarm „Kamen Bryag“
- AA of windfarm „Gabritsa“
- AA of windfarm „Momchilgrad“
- AA of windfarm „Svilengrad“
- AA of windfarm „Byala“
- AA of windfarm „Goulyantsi“
- AA of windfarm „Vulchedrum“
- AA of windfarm „Bryastovets”
- AA of windfarm „Dragoman“
- AA of quarries at Danubian islands „Mishka“ and „Kamadinu“
- AA of a hotel bulding at village Vrabevo