As upwelling declines , populations of larger phytoplankton such as diatoms are predicted to decline ( green line ) .

由于上升流的减少，硅藻之类的大型浮游植物的种群数量（绿线）预计将会下降。

Simulating upwelling in a large lake using slippery sacks .

用光滑粗网格模拟大湖涌升流。

In the equatorial upwelling zone , there is very little seasonal change in phytoplankton productivity .

在赤道上升流区，浮游植物的生产力很少有季节性变化。

During el ni o events , phytoplankton productivity in the equatorial pacific declines dramatically as the easterly trade winds that normally drive upwelling grow still or even reverse direction .

发生厄尔尼诺事件时，由于偏东信风停止了本应推动的上升流甚至反转了方向，赤道太平洋的浮游植物生产力明显下降。

These upwelling zones , including one along the equator maintained by the convergence of the easterly trade winds , and others along the western coasts of several continents , are among the most productive ocean ecosystems .

这些上升流区，包括一条沿着赤道的由偏东信风合流维持的区域，以及各大洲沿西部沿海的区域，都处于最具有生产力的海洋生态系统中。