作者：H. Ploug, M. H. Iversen, M. Koski, E. T. Buitenhuis (2008)
UEA報導：http://www1.uea.ac.uk/cm/home/schools/sci/env/research/reshigh/micrometer
原文：Production, oxygen respiration rates, and sinking velocity of copepod fecal pellets: direct measurements of ballasting by opal and calcite. Limnology and Oceanography, 53(2): 469-476.
直接下載：http://lgmacweb.env.uea.ac.uk/green_ocean/positions/Buitenhuis/Papers/Ploug_etal08.pdf
