Complex sentence: Reforestation activities, to address degradation caused by unsustainable land uses, led to tension with local hill tribes, so IUCN facilitated a multi-stakeholder dialogue to reach agreement on land rights and use of different parts of the reserve.
Split into simpler sentences: Reforestation activities, to address degradation caused by unsustainable land uses, led to tension with local hill tribes. In response, a multi-stakeholder dialogue was used to reach agreement on land rights and use of different parts of the reserve.