Monitoring Studies

  • Within the scope of the Ornithological Researches Projects, studies have been made on both migratory and resident bird species. In order to be able to make a cumulative impact assessment on birds in İstanbul, Prof. Dr. Ilhami Kiziroglu and his team have conducted monitoring and evaluation studies at İstanbul New Airport project site, Ataturk Airport, Sabiha Gokcen Airport, and Odayeri Sanitary Landfill Site. The most important findings of these studies are as follows:
    • The soaring-gliding migratory birds pass over every region of İstanbul as a dire strait. The migratory birds pass over the northern half of Istanbul more frequently in spring, but continue their migration from Europe to Africa by passing over the southern half of Istanbul (the region that includes Ataturk and Sabiha Gokcen airports) in autumn, increased by one and a half times in number because of the young birds.
    • In consequence of the studies conducted, since Odayeri Sanitary Landfill Site is approximately 4 km to İstanbul New Airport project border, it has been suggested to stop the landfilling works for the purposes of ensuring flight safety and mitigating the impact on the bird populations. In this regard, with the official negotiations which has started in 2014, as of the end of the year 2017, active landfilling have been terminated in Odayeri Sanitary Landfill Site.
  • In the other projects related to birds, the Waterbird Population Monitoring Studies are being performed on Lake Terkos throughout winter every year, and comparative reports are being prepared. The findings acquired indicate that there is no impact on İGA project construction on the waterbirds of Lake Terkos. Besides, within the scope of Puffinus Yelkouan and Larus Michahellis monitoring studies, one year monitoring study was performed for each species during which the potential impacts of the construction activities were searched, but no adverse impact was found on these species.
  • Within the scope of the mammals research projects, researches have been made on Nannospalax leucodon, Gray Wolf (Canis lupus), and the other land mammals. The spread determination studies conducted on Nannospalax leucodon that spreads in Terkos Basin under the guidance of Prof. Dr. Mustafa Sozen were completed in the year 2015, and comparative monitoring studies were performed in the year 2017. In consequence of these studies, it has been determined by specialists that this species is not affected by the İNA Project. Within the scope of gray wolf spread detection studies, field works have been performed within and around the İGA Project Site, and it has been found out that the species does not use the region actively.
  • Within İGA project site, the land invertebrates have been researched through insect nets and direct observation. During the field works at on the project site, Lepidoptera, Coleoptera, Hymenoptera, Odonata, and Diptera species have been detected through different sampling methods. The species detected during the works are common species, no species in endemic or endangered category has been detected at the site.
  • In consequence of the studies conducted on the freshwater fish, the freshwater fish in the inland waters including ponds, temporary water resources, and streams has been examined. In consequence of the studies, it has been found out that the fish species detected at the project site had been brought to the ponds in the region by people for fishing purposes. It has also been found out that the streams around the project site host small fish species that are naturally present in the region, but have no economic value in terms of fishing. In consequence, it has been found out that there is no endemic or endangered fish species in the region, and that the fish in the ponds had been brought to the area by the people for their commercial value.
  • Within the scope of marine biodiversity researches, the current situation analysis was made in consequence of the one-year monitoring studies conducted by Prof. Dr. Aydin Akbulut and his team. It has been found out that the marine area near the project site is not a peculiar habitat compared to the other environments around, and shows the similar features with the other regions in terms of the diversity and densities of the planktonic organisms in the region. Although the research area and its close surroundings qualify suitably from the point of fish species, it has been understood in consequence of the dives performed that the trawl fishery performed in the region from past to present has ruined the deep habitat severely. The secondary evaluation will be made after the comparative monitoring studies at the airport operation stage.