Needs may pertain-to ecosystems.Logical formLearned from3 sentences. Processes can be in (terrestrial ecosystems).Logical formLearned from3 sentences. Studies can be constituted-of-or-filled-with (ecosystem structure).Logical formLearned from3 sentences. An (ecosystem approach) can be balanced.Logical formLearned from3 sentences. A persistence may pertain-to an ecosystem.Logical formLearned from3 sentences. Ecosystems can be in condition.Logical formLearned from3 sentences. (Pool ecosystems) may pertain-to a us-state.Logical formLearned from3 sentences. Adverse effects can be on an aquatic ecosystem.Logical formLearned from3 sentences. An (ocean ecosystem) may pertain-to a us-state.Logical formLearned from3 sentences. Ecosystems may help.Logical formLearned from3 sentences. (Ecosystem services) can be coastal.Logical formLearned from3 sentences. Contributions can be to an ecosystem.Logical formLearned from3 sentences. A tropical ecosystem can be complex.Logical formLearned from3 sentences. (Ecosystem responses) can be to (climate change).Logical formLearned from3 sentences. Study may pertain-to an ecosystem.Logical formLearned from3 sentences.