It has long been claimed that a better understanding of human or social dimensions of
environmental issues will improve conservation. The social sciences are one important means …

Although silicon (Si) is the second most abundant element both on the surface of the Earth's
crust and in soils, it has not yet been listed among the essential elements for higher plants. …

Bacteria use type IV secretion systems for two fundamental objectives related to pathogenesis
— genetic exchange and the delivery of effector molecules to eukaryotic target cells. …

Soil acidification is a major problem in soils of intensive Chinese agricultural systems. We
used two nationwide surveys, paired comparisons in numerous individual sites, and several …

… We find that the average annual bulk deposition of N increased by approximately 8 kilograms
of nitrogen per hectare (P < 0.001) between the 1980s (13.2 kilograms of nitrogen per …

Excessive N fertilization in intensive agricultural areas of China has resulted in serious
environmental problems because of atmospheric, soil, and water enrichment with reactive N of …

The North Sea is a major continental basin filled with early Paleozoic to Recent sediments.
Though graben formation started in the Triassic, the last major period of extension occurred …

The annual nitrogen (N) budget and groundwater nitrate-N concentrations were studied in
the field in three major intensive cropping systems in Shandong province, north China. In the …

The response of the brown trout to a single, short (c. 1 min) incidence of handling stress was
monitored for a period of 1 month post‐stress. Significant changes were found in feeding …

Abstract Changes in anthocyanin content and transcript abundance for genes whose
products function in general phenylpropanoid metabolism and the anthocyanin pathway were …