Pollutants can be in an ecosystem.Logical formLearned from3 sentences. An (ecosystem approach) can be to a restoration.Logical formLearned from3 sentences. An ecosystem can be with (lake trout).Logical formLearned from3 sentences. An ecosystem may undergo an enhancement.Logical formLearned from3 sentences. (Freshwater ecosystems) can be in the world.Logical formLearned from3 sentences. Persons may manage ecosystems.Logical formLearned from3 sentences. Progress can be toward restoration of an ecosystem.Logical formLearned from3 sentences. A vision can be for an ecosystem.Logical formLearned from3 sentences. (Ecosystem results) can be desired.Logical formLearned from3 sentences. Toxic substances can be in an ecosystem.Logical formLearned from3 sentences. Waters may pertain-to a (freshwater ecosystem).Logical formLearned from3 sentences. Conditions can be in an ecosystem.Logical formLearned from3 sentences. A role can be within an ecosystem.Logical formLearned from3 sentences. An evaluation of a rap may include consideration of an (ecosystem approach) to a restoration of beneficial uses.Logical formLearned from3 sentences. Indicators can be constituted-of-or-filled-with (ecosystem integrity).Logical formLearned from3 sentences.