pelagic zone

基本解释

The mean wet weight per algae cell is reduced by 63. 6% in pelagic zone and 75. 4% in bay area after an interval of about 7 years.
藻類種類小型化現象十分明顯，相隔6～7年，小型藻類的種類及其數量越來越多，單個藻細胞鮮重的平均值在敞水區和庫灣區分別減少了63.6％和75.4％；
We're doing variety of studies from deepwater habitats to the pelagic zone to the shoreline, and it's going to take some time to figure it out.
他說：“我們在深海區，浮遊海區和海岸做了各種各樣的調查，要弄明白結果如何還需時日。”
This is less than the total biological production in the main water column, or pelagic zone, which scientists believe to be between around 0.6 and 1.8 gigatonnes of carbon per year.
它比主水躰或深海區動物産物——科學家們認爲，其縂數在每年約6千萬到1億8千萬噸碳——的縂數要少。