(Nitrogen cycling) can be in ecosystems.Logical formLearned from2 sentences. Scientific knowledge may pertain-to an ecosystem.Logical formLearned from2 sentences. Granivory can be in (desert ecosystems).Logical formLearned from2 sentences. Introduction can be to (ecosystem concepts).Logical formLearned from2 sentences. Areas of focus may include ecosystems.Logical formLearned from2 sentences. Ecosystems can be in condition.Logical formLearned from2 sentences. Degradation of ecosystems may have impact.Logical formLearned from2 sentences. Ecosystems can be around islands.Logical formLearned from2 sentences. A status of ecosystems may be evaluated.Logical formLearned from2 sentences. A status of an ecosystem may be evaluated.Logical formLearned from2 sentences. A biological diversity of an ecosystem may include coral.Logical formLearned from2 sentences. (Soil erosion) can be in ecosystems.Logical formLearned from2 sentences. Some sites may represent ecosystems.Logical formLearned from2 sentences. Ecosystems may increase in value.Logical formLearned from2 sentences. An ecosystem can be unsullied.Logical formLearned from2 sentences.