Here we report measurements of total Hg (HgT), reactive Hg (HgR), and methylmercury (MMHg) in precipitation from the equatorial Pacific Ocean, collected during a cruise in January and February 1990, and from a mid-continental location in the rural temperate lacustrine northcentral Wisconsin environs
Weight and chemical composition of some important oceanic zooplankton in the North Pacific Ocean
โ Scribed by Makoto Omori
- Publisher
- Springer-Verlag
- Year
- 1969
- Tongue
- English
- Weight
- 601 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0025-3162
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Assimilation rates of 15N-labelled ammonium, urea, and nitrate by plankton in the upper euphotic zone were measured in 2 summer, 2 winter, and I spring cruise in the central North Pacific Ocean. Average rates of ammonium plus urea assimilation could not be determined precisely, but were estimated to
Strontium isotopic differences between the basalts from the East Pacific and the Chile Rises (0.7026-0.7035, average 0.7028) and abyssal hills (0.7025-0.7037, average 0.7033) suggest that these are produced from different source materials. A progressive increase of K/Rb with decrease in SIz~/Sr s6 r