Bonn challenge 1 Half-Earth 1 Journal Article 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Sustainable Development Goals 1 connectivity 1 mehr ... conservation planning 1 cumulative impact assessment 1 ecological integrity 1 habitat restoration 1 human footprint 1 intermediate disturbance land use policy 1 landscape fragmentation threshold 1 landscape gradient 1 protected areas 1 wilderness 1 weniger ...