In order to provide early warning to mariculturists , we now conducts weekly sampling from 11 fish culture zones and fortnightly from 5 offshore stations to detect the presence of harmful algae and development of red tides 为了向养鱼户提供预警报告，本署职员每周到11个鱼类养殖区及每两周到5个离岸监测站采样分析，侦察有害藻华及红潮的出现。
The agriculture , fisheries and conservation department ( afcd ) today ( august 16 ) issued a letter of consent for the first time to a mariculturist at yung shue au fish culture zone for running a recreational fishing business 渔农自然护理署（渔护署）今日（八月十六日）首次签发同意书，容许榕树凹鱼类养殖区的一个养鱼户在其鱼排进行休闲垂钓活动。
Under the programme , departmental staff make regular visits to fish farms to educate fish farmers on measures for disease prevention and detection , and to provide a fish disease diagnostic service in case of an outbreak 按照这项计划，该署定期派员巡视海鱼养殖区，教导养鱼户如何预防和侦测鱼类疾病。一旦爆发鱼类疾病，该署更会提供鱼类疾病诊断服务。
Assessment of potential environmental impact on fisheries is required for development projects involving foreshore and seabed , fish culture zones and fish ponds , in accordance with the environmental impact assessment ordinance ( cap 列于《环境影响评估条例》附表2的发展工程项目，如涉及海床、浅滩、鱼类养殖区或鱼塘，该发展工程项目将需要进行渔业影响评估。
A trial study was also started in april 2002 to use biofilter artificial reefs to improve the water quality in kau sai fish culture zones . so far , artificial reefs covering an area of about 168 , 000 cubic metres have been deployed within hong kong waters 此外，署方亦在二二年四月进行一项试验，在?西鱼类养殖区利用人工鱼礁作为生物净化设施，以改善区内的水质。
Which requires all marine fish culture activity to operate under licence in designated fish culture zones . currently , there are 26 fish culture zones ( see figure ) occupying a total sea area of 209 ha with some 1 155 licenced operators 该条例规定所有海鱼养殖活动均须领有牌照，在指定的鱼类养殖区内经营。现时，本港有26个鱼类养殖区（见图） ，占海域总面积达209公顷，持牌经营者则约有1155名。
