上海完成第四次“貉口普查”

Core Insights - The "Raccoon Dog Survey" in Shanghai has shown a significant reduction in the density of raccoon dogs, indicating improved community environments and reduced risks of human-wildlife conflict [2][3] Group 1: Survey Findings - The average density of raccoon dogs in 98 surveyed communities is 0.44 individuals per hectare, and the average encounter rate is 1.06 individuals per kilometer, both significantly lower than the previous year's figures [2] - The 2022 figures were 1.08 individuals per hectare and 2.8 individuals per kilometer, representing decreases of 59.3% and 62.5% respectively [2] Group 2: Future Initiatives - The Shanghai forestry department plans to upgrade the "Raccoon Dog Survey" by involving more children in citizen science activities and developing a group of "permanent observers" in raccoon dog communities [2] - The insights gained from citizen science will help formulate more scientifically sound wildlife protection strategies in Shanghai [3] - The forestry department aims to establish a "carrying capacity" for raccoon dogs in different areas, and if densities exceed set thresholds, community actions will be initiated [3]