Shekaru 50 na WWF Floodplain Reserve Marchegg
Shekaru 50 na kiyaye halittun halittu ƙarin bayani: https://www.wwf.at/das-schuetzen-wir/fluesse/march-thaya-auen/
Shekaru 50 na kiyaye halittu masu rai
More bayanai: https://www.wwf.at/das-schuetzen-wir/fluesse/march-thaya-auen/