Despite the urgent demand for sustainable mining, the revegetation and rehabilitation of
areas degraded by mining activities remain challenging. Uncertainties about species …

In a rapidly changing climate, alpine plants may persist by adapting to new conditions.
However, the rate at which the climate is changing might exceed the rate of adaptation …

Human societies depend on an Earth system that operates within a constrained range of
nutrient availability, yet the recent trajectory of terrestrial nitrogen (N) availability is uncertain …

The heart of forensic science is application of the scientific method and analytical
approaches to answer questions central to solving a crime: Who, What, When, Where, and …

In the 45 years after legislation of the Clean Air Act, there has been tremendous progress in
reducing acidic air pollutants in the eastern United States, yet limited evidence exists that …

Climate extremes and land-use changes can have major impacts on the carbon cycle of
ecosystems. Their combined effects have rarely been tested. We studied whether and how …

Decomposing animals alter soil biogeochemical cycles, and these natural ephemeral
nutrient patches (or 'hotspots') are important for maintaining landscape heterogeneity and …

The present work was carried out to assess the effect of atmospheric ammonia (NH 3) on
soil physicochemical properties, soil enzymatic activities (β-glucosidase-β-GLU-, nitrate …

The influence of nitrogen (N) deposition on forest ecosystems largely depend on the N
status. Developing threshold and practical indicators for N saturation in subtropical forests …

Background and aims Although a number of different factors influence C and N isotopic
fractionation of organic matter, the δ 13 C and δ 15 N values of soil organic matter both tend …