Brunswick, NJ, USA Talk - Hamm, C. (2002): The Diatom Frustule; a Case Study in Mechanical Defence. Phytoplankton Productivity: An Appreciation of 50 Years of the Study of Oceans and Lakes. Bangor 18-22 March

around the island has in- creased over the last few decades. This develop- ment is evident both in phytoplankton and in zooplankton and most especially in the seafloor biocoenoses. Over the last 25 years, AWI

the ice. • When sea ice begins to melt in April, the more than 1,800 known species of Arctic phytoplankton, half of them diatoms, grow and reproduce. Their growth is so pronounced that a so-called algal

Peter Henry Burkill Director, Sir Alister Hardy Foundation for Ocean Science marine biology, phytoplankton 9 Dr. John Campbell 2 Technical Director, Oil and Gas Producers geochemistry, environmental advocacy

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