Fluxes of methane and carbon dioxide from a small productive lake to the atmosphere
Calcium, potassium, and magnesium cycling in a Mexican tropical dry forest ecosystem
Nitrogen limitation of production in a Californian annual grassland
Mycorrhizal weathering
Nutrient losses in runoff from grassland and shrubland habitats in southern New Mexico
Changes in Sr/Ca, Ba/Ca and 87Sr/86Sr ratios between trophic levels in two forest ecosystems in the northeastern U.S.A.