800 The amount of tree pollen in sediment decreases, suggesting deforestation is under way. Grass pollen increases as grass spreads into some of the cleared areas.
दिवसेंदिवस वाढणारी शेती आणि सरपणाची आवश्‍यकता यामुळे जंगले हळूहळू नाहीशी होऊ लागली.