By contrast , phytoplankton are scarce in remote ocean gyres due to nutrient limitations .
与此相反，因为养分的限制，在偏远的洋流中浮游植物非常罕见。
More research is undoubtedly needed , and stop 's research partner , 5gyres , is going to send an expedition to the south pacific and indian ocean gyres in 2011 .
But in the computer model-with the north pacific gyres drained of color and heat-the number of hurricanes moving northward out of the tropics dropped by two-thirds , versus the normal number .
