Evaluation of the policy-driven ecological network in the Three-North Shelterbelt region of China

The Three-North Shelterbelt (TNS) program is one of China's major ecological restoration projects over the past few decades. However, evaluation of the ecological network in the TNS region has not been explored yet, in the face of intensified human activities. This study evaluated the ecological network in the TNS region from a policy-driven perspective (i.e., nature reserves). First, we mapped the ecological resistance surface in the TNS region...