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据国家海洋局北海分局的紧急通报,7月3日,河北省沧州歧口附近海域发生赤潮,面积约400km~2,在天津大沽锚地也发现面积约25km~2的赤潮。至7月4日面积已发展到1500km~2。7日,由于华北地区连续降雨,温度下降,赤潮发展受到抑制,最后消失。又据辽宁海洋渔业环境监测站通报,自6
According to the emergency notification issued by the North Sea Branch of the State Oceanic Administration, on July 3, a red tide occurred in the sea area near Qikou, Cangzhou, Hebei Province, covering an area of about 400 km 2. A red tide of about 25 km 2 in area was also found in the Dagu Anchorage, Tianjin. By July 4, the area had been developed to 1500km ~ 2.7 days. Due to continuous rainfall and temperature drop in North China, the development of red tide was suppressed and finally disappeared. According to Liaoning Marine Fisheries Environmental Monitoring Station informed, since 6