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Measurements in a coastal inlet revealed turbulence that was three to four orders of magnitude larger during the dusk ascent of a dense acoustic-scattering layer of krill than during the day, elevating daily-averaged mixing in the inlet by a factor of 100. Because vertically migrating layers of swimming organisms are found in much of the ocean, biologically(More)
Global patterns show that estuaries are more invaded than open coasts and artificial habitats are more invaded than natural ones. The contention that artificial habitats in estuaries are more invasible than other habitats may result from variation in propagule supply, however, as artificial habitats are closely linked to vectors of non-native propagules,(More)
Our interests are in oceanic processes that contribute to stirring and mixing in order to understand their impact on larger scales so that better subgridscale parameterizations may be implemented. This includes phenomena ranging from the microscale (1 cm) up to the mesoscale (10-100 km). OBJECTIVES Work on ocean biosphere energetics suggests that schooling(More)
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