Agroforestry (AF) has become an important strategy in reconciling the contradictory
requirements of environmental protection and economic development in ecologically fragile …

Phosphates are the dominant phosphorus (P) source on Earth. The phosphates govern
available P in soil, or even the complete ecosystem. The common deficiency of available P …

China has one of the widest distributions of carbonate rocks in the world. Karst wetland is a
special and important ecosystem of carbonate rock regions. Chlorophyll-a (Chla) …

We analyzed the impacts of land use/land cover types on carbon dioxide (CO 2) and
methane (CH 4) concentration and diffusion in 1 st to 4 th Strahler order tributaries of the …

Wetlands cover only around 6% of the Earth's land surface, and are recognized as one of
the three major ecosystems, alongside forests and oceans. The ecological structure and …

The studies in this Special Issue addressed environmental and ecological issues at the karst
areas in the Southwest China. The contributions from these studies indicated that some …

Karst watersheds accommodate high landscape complexity and are influenced by both
human-induced and natural activity, which affects the formation and process of runoff …

Excessive reclamation and improper use of agrochemicals in karst areas leads to serious
non-point source pollution, which is of great concern and needs to be controlled, since …

Although numerous studies focused on nitrate source, transformation and transport of river
water in karst area have been reported, it's still unclear in understanding nitrate main source …

Nitrogen dynamics at ecosystem levels profoundly impact the Earth's surface system due to
their environmental and ecological significance. Exploring the sources and transformation of …