Question

The research conducted by Tilman and colleagues demonstrated that

Answer 1

The research conducted by Tilman and colleagues demonstrated that areas with higher diversity demonstrate less efficient use of nutrients......

Answer 2

The research conducted by Tilman and colleges demonstrated that"as diversity of an area increase, the productivity of an areas increases".

He stated that diversity in specie control ecosystem sustainability. He explained that grasslands which are species rich are more prone to droughts and other disturbances and they are more likely to recover as well.