Mountain lakes are often situated in protected natural areas, a feature that leads to their role
as sentinels of global environmental change. Despite variations in latitude, mountain lakes …

The availability of carbon (C) from high levels of atmospheric carbon dioxide (CO2) and
anthropogenic release of nitrogen (N) is increasing, but these increases are not paralleled …

In this paper, we review the current understanding on ecosystem and human health impacts
from the atmospheric deposition of acidifying pollutants, eutrophying nitrogen (N), polycyclic …

Acidification of lakes and rivers is still an environmental concern despite reduced emissions
of acidifying compounds. We analysed trends in surface water chemistry of 173 acid …

The chemical dynamics of lakes and streams affect their suitability as aquatic habitats and
as water supplies for human needs. Because water quality is typically monitored only weekly …

Abstract The international Long-Term Ecological Research Network (ILTER) encompasses
hundreds of long-term research/monitoring sites located in a wide array of ecosystems that …

Browning of Fennoscandian boreal lakes is raising concerns for negative ecosystem
impacts as well as reduced drinking water quality. Declined sulfur deposition and warmer …

Anthropogenic impacts on the biogeochemical cycles of nitrogen (N) and phosphorus (P)
affect natural ecosystems worldwide. Modelling is required to predict where and when these …

Empirical evidence based on integrated environmental monitoring including physical,
chemical and biological variables is essential for evaluating the ecosystem benefits of costly …

Atmospheric ammonia (NH 3) plays an important role in atmospheric aerosol chemistry.
China is one of the largest NH 3 emitting countries with the majority of NH 3 emissions …