原标题：宁夏贺兰：激活盐碱地资源 发展水产养殖 新华社记者 杨植森 摄 【1】 【2】 【3】 【4】 【5】 【6】 12月12日，在位于宁夏贺兰县的银川科海生物技术有限公司工厂化养殖车间内，工作人员为鲟鱼投食。 近年来，宁夏银川市贺兰县借助闽宁协作平台，挖掘盐碱地农业发展潜力，发展水产养殖，建设工厂化 养殖车间和渔业设施温棚，引进大黄鱼、青蟹、黄鳍鲷、大西洋鲑等经济品种，探索"以渔治碱"新路 径。 ...

Core Viewpoint - The Panyu District is actively engaged in ecological restoration efforts through the release of aquatic species, with a focus on enhancing biodiversity in the Pearl River system [4][6]. Group 1: Aquatic Species Release Activities - On June 24, the Panyu District held its 2025 aquatic species release event, where over 1.57 million fish and shrimp were released, including species such as grass carp, yellowfin seabream, and white eel [2][3]. - The district has conducted these release activities for 44 consecutive years, emphasizing their importance in ecological restoration and the maintenance of aquatic resources [6]. Group 2: Biodiversity and Ecological Improvement - In the past five years, Panyu District has released over 5.5 million aquatic species, optimizing the variety and quantity of species to enhance local biodiversity [7][8]. - Local species such as yellowfin seabream and shrimp have shown a recovery in population, contributing to the ecological vitality of the Pearl River [8][9]. Group 3: Sustainable Fisheries Development - Panyu District is committed to consolidating and expanding its fisheries development achievements, which include ongoing release activities and initiatives for river protection and water environment management [10][11]. - The district promotes a green and circular development model for its fisheries, aiming for high-quality industry growth [12][13]. Group 4: Innovative Aquaculture Practices - The district has established benchmark models for fishery governance, including various water treatment methods and ecological breeding practices to reduce wastewater discharge [14][15][19]. - Panyu District encourages the adoption of premium aquaculture species and ecological mixed farming to enhance the quality of its fisheries, contributing to the public brand "Panyu Fresh" [18][19].

Group 1 - The core viewpoint of the articles highlights the successful transportation and cultivation of shrimp seedlings from Hainan to the saline-alkali lands of Ningxia, facilitated by technological advancements [1][2] - Hainan is a significant source of aquatic seedlings in China, producing 200 billion shrimp seedlings annually, with 80% sold to major shrimp farming regions outside the province [1] - The recent promotional event in Ningxia resulted in the signing of five shrimp seedling orders, totaling 25 million Pacific white shrimp and 50 million Macrobrachium rosenbergii seedlings [1] Group 2 - Ningxia has effectively utilized national policies for the comprehensive use of saline-alkali land, successfully cultivating various marine species such as Pacific white shrimp and sea cucumbers [2] - The region's aquaculture has achieved stable production for ten consecutive years, with 80% of its aquatic products sold to six surrounding provinces, establishing itself as a distribution hub for the western market [2] - A strategic research cooperation agreement was signed between Hainan and Ningxia's aquatic technology promotion stations, aiming to enhance collaboration in shrimp industry research, market promotion, and talent development [2]