Molecular organic geochemical proxies are increasingly being utilized to reconstruct past
environmental conditions as new tools continue to be discovered and developed. To date …

▪ Abstract Many microorganisms possess inducible mechanisms that concentrate CO2 at the
carboxylation site, compensating for the relatively low affinity of Rubisco for its substrate, and …

9. SEDIMENT ORGANIC MATTER Department of Geological Sciences The University of
Michigan Ann Arbor, MI 48109-1063 USA Geosciences Page 1 9. SEDIMENT ORGANIC …

Previous work has shown freshwater macrophytes from lake littoral zones to be" C-enriched
compared to the same species collected from fast movlng nvers It is thought that carbon …

Organic matter and its carbon and nitrogen isotopic composition were measured in
sequential sediment trap and core samples from the Rochester Basin of Lake Ontario to …

The δ 13 C of suspended particulate organic matter (SPOM) in surface waters increased
from− 22.9 to− 18.1‰ during April 25–May 31, 1989 at the JGOFS North Atlantic Bloom …

Phytoplankton, zooplankton, benthic invertebrates, and pond smelt were collected in a
eutrophic lake (Lake Suwa, Japan) from spring to autumn in 1986 and 1987. Their stable …

This chapter provides an introduction to the application of mineral magnetic methods to
studies of lake-sediments. It is not detailed; but instead contains a substantial number of …

The carbon and nitrogen isotopic composition of seston, sinking POM, and inorganic
nitrogen was determined on a seasonal basis in a coastal cold-ocean embayment …

Surface sediment and planktonic organic matter from Florida lakes were analyzed for δ13C
and δ15N to study the relationship between stable isotope ratios and lake productivity …