Which could most likely have a lasting negative impact on the biodiversity of an area?

Biodiversity simply means the variety of life in an ecosystem, it entails the variability of living organisms from all system with each organism playing an ecological role in the ecosystem. Clear cutting and changes in the environment impact the biodiversity negatively since they cause global worming, destruction of habitat, drought and extreme loss of biodiversity among living organisms. These are lasting negative impacts on the biological diversity of a given ecological system or area.