A (surface water productivity) can be increased.Logical formLearned from3 sentences. Concentrations of organic carbon may record productivities.Logical formLearned from3 sentences. A (surface-water productivity) can be increased.Logical formLearned from3 sentences. Changes can be in (carbonate productivity).Logical formLearned from3 sentences. An abundance of radiolarians may indicate (surface-water productivity).Logical formLearned from3 sentences. Productivity can be in (surface waters).Logical formLearned from3 sentences. Rates of sedimentation may result from productivity.Logical formLearned from3 sentences. A system may increase productivity.Logical formLearned from3 sentences. Consequences can be for productivity.Logical formLearned from3 sentences. (Productivity effects) can be endogenous.Logical formLearned from3 sentences. (Farm productivity) may be increased.Logical formLearned from3 sentences. Increases can be in total (factor productivity).Logical formLearned from3 sentences. A productivity may pertain-to (land resources).Logical formLearned from3 sentences. A productivity of forests can be low.Logical formLearned from3 sentences. Productivity can be at home.Logical formLearned from3 sentences.