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Rare nautilus sighted for the first time in three decades（图）
nautilus sighted first time three decades
2015/9/9
In early August, biologist Peter Ward returned from the South Pacific with news that he encountered an old friend, one he hadn’t seen in over three decades. The University of Washington prof...
Nitrogen as the limiting nutrient for eutrophication in coastal marine ecosystems: Evolving views over three decades
Nitrogen marine ecosystems
2014/4/30
The first special volume of Limnology and Oceanography, published in 1972, focused on whether phosphorus
(P) or carbon (C) is the major agent causing eutrophication in aquatic ecosystems. Only ...