http://www.vocabularyserver.com/gemet/en/http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=505aquatic ecosystem http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=505 estuarine ecosystem NT http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=505 coastal ecosystem NT http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=505 marine ecosystem NT http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=505 freshwater ecosystem NT http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=505 ecosystem type BT