三亚蜈支洲岛海域近海再现野生海豚群 停留近30分钟

Core Viewpoint - The presence of wild dolphins near Sanya Wuzhizhou Island indicates a significant improvement in the ecological environment of the surrounding marine area, reflecting the health of the marine ecosystem [1][3]. Group 1: Marine Biodiversity - The sighting of a pod of over ten wild dolphins is a positive sign of the ecological health of the waters around Wuzhizhou Island, as dolphins are considered flagship species that require high water quality and abundant food sources [1]. - Other rare marine species such as blacktip sharks, giant wild groupers, sea turtles, spotted seals, and whale sharks have also been observed in the area, indicating a diverse marine ecosystem [3]. Group 2: Environmental Restoration Efforts - The tourism area has invested in ecological restoration, including the deployment of over 80,000 cubic meters of artificial reefs and the transplantation of more than 68,000 coral specimens, restoring a seabed area of 61,000 square meters [3]. - The coverage of live coral in the nearshore waters has increased from less than 15% to 37.08%, and the number of recorded fish species has risen to 265, with fishery resources more than doubling compared to pre-restoration levels [3]. - The fishery resources in artificial reef areas are now five times greater than those in surrounding waters, contributing to a healthy marine ecosystem characterized by a symbiotic relationship among multiple species [3].