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。
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。
A spokesman for afcd said , " fish faeces or unconsumed feed from fish culture activities can lead to an increase in water turbidity . in some cases these organic matters accumulate in the bottom mud , increasing the possibility of bottom oxygen depletion 渔护署发言人说：养鱼活动所产生的鱼粪或流失饲料会使海水变得浑浊，有些情况下这些有机物积聚在鱼类养殖区海床的底泥，增加海底缺氧的可能性。
In view of the growing public interest in recreational fishing and the requests by some mariculturists that visitors be allowed to engage in recreational fishing on their fish rafts , the afcd started a trial scheme on recreational fishing in two fish culture zones 鉴于市民对休闲垂钓的兴趣日浓，而且有养鱼户希望让游人到鱼排垂钓，渔农自然护理署拣选了榕树凹和?西两个鱼类养殖区，作为休闲垂钓活动的试点。
The existing marine fish culture ordinance stipulated that all fish culture operations within designated fish culture zones had to be licensed by the director of agriculture , fisheries and conservation , a spokesman for the agriculture , fisheries and conservation department ( afcd ) said 渔农自然护理署（渔护署）发言人表示，现行的《海鱼养殖条例》规定，在指定鱼类养殖区内进行任何鱼类养殖工作，均须获得渔护署署长发出的牌照。
