Tannins make up a significant portion of forest carbon pools and foliage and bark may contain
up to 40% tannin. Like many other plant secondary compounds, tannins were believed to …

THE importance of dissolved organic nitrogen in ecosystem nutrient fluxes and plant nutrition
is only beginning to be appreciated 1,2 . Here we report that the polyphenol concentration …

Land use and land cover across 28 sub-basins within the Cosumnes Watershed, CA (1989km
2 ) were correlated to nitrate-N and total suspended solids (TSS) loading between water …

The convergent evolution of polyphenol-rich plant communities has occurred on highly acidic
and infertile soils throughout the world. The pygmy forest in coastal northern California is …

Vegetated buffers are a well‐studied and widely used agricultural management practice for
reducing nonpoint‐source pollution. A wealth of literature provides experimental data on …

We assessed the response of soil microbial nitrogen (N) cycling and associated functional
genes to elevated temperature at the global scale. A meta‐analysis of 1,270 observations …

There is a growing interest in the role of bedrock in global nitrogen cycling and potential for
increased ecosystem sensitivity to human impacts in terrains with elevated background …

Agricultural peat soils in the Sacramento-San Joaquin Delta, California have been identified
as an important source of dissolved organic carbon (DOC) and trihalomethane precursors …

Heavy metal pollution is a major concern in China because of its serious effects on human
health. To assess potential human health and ecological risks of heavy metal pollution, …

Volcanoes are revered and feared for their awesome and devastating eruptions that often
obliterate terrestrial ecosystems and bury landscapes with volcanic ash. Yet from these ashes …