"Ecosystem health Persian Gulf Region." . . "Persischer Golf." . . "Umweltschutz." . . "Ecosystem management." . . . . "Gestion des écosystèmes Persique, Golfe." . . "Ecosystem health." . . "Ecology." . . "Environmental degradation Persian Gulf Region." . . "Pollution Persique, Golfe." . . "Persian Gulf Region" . . "Ecosystem management Persian Gulf Region." . . "Middle East" . . "The Gulf ecosystem : health and sustainability"@en . "The Gulf ecosystem : health and sustainability" . . . "The Gulf Ecosystem : health and sustainability" . . . . . . . . . . . . . . . . . . . "Gulf ecosystem" . . "The Gulf ecosystem : heatlh and sustainability" . . . . . . . . . "The Gulf ecosystem: health and sustainability" . . . "The gulf ecosystem : health and sustainability" . . . "The Gulf ecosystem health and sustainability"@en . . . . . . . . "Ökosystem." . . "<1998>" . . "<1998>." . "Umweltbelastung." . . "Environmental degradation." . .