Core Viewpoint - The use of gill nets, known as "dead-end nets," in Ningbo Qianwan New Area is causing significant ecological damage to marine resources and bird populations, raising concerns about illegal fishing practices and environmental degradation [1][4][17]. Group 1: Ecological Impact - Gill nets are widely used in the coastal wetlands of Ningbo Qianwan New Area, leading to the capture of various marine species and contributing to the decline of local fishery resources [1][4]. - The presence of gill nets poses a lethal threat to migratory and resident bird species, with reports of birds getting trapped and dying in these nets [5][8]. Group 2: Illegal Fishing Practices - Local fishermen have reported that the number of gill nets has increased significantly over the years, with many users lacking the necessary fishing permits, indicating a rise in illegal fishing activities [4][11]. - The use of gill nets is prohibited in open marine waters according to regulations set by the Zhejiang Provincial Ocean and Fisheries Bureau, yet enforcement appears to be lacking [16][17]. Group 3: Management and Enforcement Issues - Management stations intended to regulate access to the wetlands are reportedly ineffective, with personnel accepting bribes to allow unauthorized entry, undermining conservation efforts [11][13]. - The low cost of gill nets leads to widespread abandonment of damaged nets, contributing to marine plastic pollution and further complicating cleanup efforts [10][12].