Key stressors that negatively impact koalas -- such as bushfires, habitat fragmentation, vehicle collisions and dog attacks -- have been getting worse in the last decade. That has led to population decline and increased disease among koalas.
원문출처 : https://www.cnn.com/2020/10/29/world/koala-population-decline-human-impacts-nature-scn/index.html
원문출처 : https://www.cnn.com/2020/10/29/world/koala-population-decline-human-impacts-nature-scn/index.html