An (ecosystem productivity) can be high.Logical formLearned from15 sentences. An ecosystem can be fascinating.Logical formLearned from15 sentences. Ecosystems may undergo a loss.Logical formLearned from15 sentences. A threat can be to ecosystems.Logical formLearned from15 sentences. A status may pertain-to an ecosystem.Logical formLearned from15 sentences. An ecosystem may support endangered species.Logical formLearned from15 sentences. An ecosystem can be constituted-of-or-filled-with businesses.Logical formLearned from15 sentences. An ecosystem can be high-altitude.Logical formLearned from14 sentences. Components may pertain-to ecosystems.Logical formLearned from14 sentences. A productivity may pertain-to ecosystems.Logical formLearned from14 sentences. (Ecosystem services) may undergo maintenance.Logical formLearned from14 sentences. A viability may pertain-to an ecosystem.Logical formLearned from14 sentences. A niche can be in an ecosystem.Logical formLearned from14 sentences. (Ecosystem initiatives) can be exemplary.Logical formLearned from14 sentences. A (freshwater ecosystem) may pertain-to the world.Logical formLearned from14 sentences.