Last year, GNN reported on the toolkit of patience and garden rakes needed to get through the 100 million-strong crab migration season on Christmas Island. The mangrove land crab doesn’t emerge in the numbers of the Christmas Island crab, but nevertheless presents an ethical and ecological conundrum for citizens near Taijiang National Park. MORE TAIWAN TALES:Instead, Taijiang National Park—and a community of local volunteers besides—will simply close roads when these slow moving crustaceans are approaching a crossing point. “As for the mangrove land crab, it can return all of ‌these ⁠nutrient sources back into the land, allowing the coastal forest to become more abundant,” Taijiang National Park Director Chen ​Jun-shan told Reuters. “So if you protect the land crabs, the entire coastal forest belt can be protected.”