Πηγές-Μέσα
http://daskalosa.eu/geography_e/geography_e_24-xaraktiristika_oikosystimata_tis_elladas.html
https://www.youtube.com/watch?v=G7e2PbhbB94
https://greenapple.gr/2016/06/11/%CE%BB%CE%B9%CE%BC%CE%BD%CE%B1%CE%AF%CE%B1-%CE%BF%CE%B9%CE%BA%CE%BF%CF%83%CF%85%CF%83%CF%84%CE%AE%CE%BC%CE%B1%CF%84%CE%B1-%CF%84%CE%B7%CF%82-%CE%B5%CE%BB%CE%BB%CE%AC%CE%B4%CE%B1%CF%82/
https://www.greelane.com/el/%ce%b5%cf%80%ce%b9%cf%83%cf%84%ce%ae%ce%bc%ce%b7-%cf%84%ce%b5%cf%87%ce%bd%ce%bf%ce%bb%ce%bf%ce%b3%ce%af%ce%b1-%ce%bc%ce%b1%ce%b8%ce%b7%ce%bc%ce%b1%cf%84%ce%b9%ce%ba%ce%ac/%ce%b6%cf%8e%ce%b1-%ce%ba%ce%b1%ce%b9-%cf%86%cf%8d%cf%83%ce%b7/marine-ecosystem-definition-2291621/
https://www.renovablesverdes.com/el/ecosistemas-marinos/
