Shuen wan marsh has long suffered from illegal dumping activities with the most recent wetland destruction at shuen wan occuring in november 1998 , which caused a massive infilling of some 2 ha of the brackish marshes 船湾沼泽一直受非法倾倒泥头活动影响。最近一次破坏事件发生于1998年11月，导致两公顷的咸淡水沼泽被填平。
Freshwater and brackish water fish are cultured in fish ponds covering some 1 030 hectares , most of which are located in the north - western new territories where they form part of the wetland system of conservation interest 养殖淡水鱼和咸淡水鱼的鱼塘占地约1030公顷，大部分在新界西北部，形成具存护价值的湿地系统的一部分。
Sham chung marsh is situated on the east mouth of three fathoms cove . it is ecologically important for brackish fish species especially the black paradise fish , which is globally rare . the marsh habitat is also important for invertebrates 深涌沼泽位于企岭下海的东部，是咸淡水鱼尤其全球稀有的黑斗鱼的重要生境，那里的沼泽对无脊椎动物也举足轻重。
Formation and evolution of the shallow ground fresh water and brackish water is correlation with forming time of delta , characters of microtopography , as well as the distributing of present course and channel in alluvial - marine plain 黄河三角洲地下淡水、微咸水分布与形成演化与黄河河道的变迁、三角洲形成的早晚、微地貌特征及现代河道与渠系分布等因素密切相关。
Zhuhai jianghehai water treatment equipment and technology co . , ltd , is a professional high - tech company dedicated to the manufacture and project design of seawater , brackish water , pure water and ultra - pure water processing equipment 珠海市江河海水处理设备工程有限公司，是从事海水苦咸水淡化纯净水超纯水设备制造及相关工程项目设计施工的专业化高新技术企业。
Mudskippers , crabs , polychaete for their food . these mudflat fauna are adapted to the brackish water conditions of the bay , such as the condition of the mudflat soil and the quality of the water in the bay , especially the salinity 尤其是这些候鸟以如弹涂鱼螃蟹和海滨蚯蚓等泥滩动物为粮食，而这些动物亦已适应湾内的咸淡水生境，如泥土的状况和水质，特别是含盐量等特徵。
Shuen wan marsh is located on the middle north shore of tolo harbour and consists of diversified habitats such as intertidal mangrove habitats , mudflats , brackish tidal ponds with sedges and phragmites , a freshwater stream and fung shui woods 船湾沼泽位于吐露港北岸中部，拥有多样化的生境，包括潮间带红树林泥滩长有莎草及芦苇的咸淡水潮汐河塘一条淡水河流及风水林。
R . yushensis is an aquatic plant in the lake of zhangcun at that time and indicates a brackish , clear , tranquil and shallow lake in this region in late pliocene . the smooth endocarp surface further suggests a warm temperate or temperate palaeoclimate 榆社川蔓藻果实和种子的大量出现说明该植物可能在该水域形成了单一的优势类群，其光滑的内果皮表面指示当时当地为暖温带或温带气候。
Most ponds practise polyculture of carps mixed with tilapia or grey mullet . the remaining ponds carry out monoculture of snakehead or catfish . however , many coastal ponds are converted to monoculture of brackish species such as scat , seabream and pampano to reap better profit 大部分鱼塘采用混合养殖法，养殖的鱼类品种多数以鲤鱼科混合福寿鱼或乌头，其馀鱼塘则采用单养式养殖法，饲养生鱼或塘虱。
