Sentences with phrase «essential ecological role»

Fires play an essential ecological role in flammable ecosystems: some are managed to clear forests, promote grazing and establish plants6, while others are suppressed to protect human lives and property, regardless of how they ignite.

Not exact matches

Another finding was the frequent association between nematodes and bacteria that play important roles in nutrient cycling, an essential ecological process for life on Earth.

Bristol Zoo Gardens primatologist Christoph Schwitzer says that any lemur disappearance could start «extinction cascades» in their habitats, «lemurs have important ecological and economic roles, and are essential to maintaining Madagascar's unique forests through seed dispersal and attracting income through ecotourism.»