Greenhouse gases (GHGs) have long received public attention because they affect the
Earth's climate by producing the greenhouse effect. Freshwaters are an important source of …

Streams and rivers can substantially modify organic carbon (OC) inputs from terrestrial
landscapes, and much of this processing is the result of microbial respiration. While carbon …

Cohesive sediment is an important component of aquatic environments, which must be
monitored and managed for environmental, engineering, and human health reasons. While …

Lakes and ponds are important natural sources of the potent greenhouse gas methane
(CH4), with small shallow waters identified as particular hotspots,. Ebullition (bubbles) of …

Net emissions of the potent GHG methane from ecosystems represent the balance between
microbial methane production (methanogenesis) and oxidation (methanotrophy), each with …

Wetland plants transport oxygen to belowground tissues to survive in anoxic sediments, and
simultaneously conduct methane (CH 4) from the sediment to the atmosphere. Although …

It is critical that the impacts of environmental stressors on natural systems are detected,
monitored and assessed accurately in order to legislate effectively and to protect and restore …

The interface between groundwater and surface water within riverine/riparian ecosystems—
the hyporheic zone (HZ)—is experiencing a rapid growth of research interest from a range of …

Nonpoint source pollution from agriculture and urbanization is increasing globally at the
same time climate extremes have increased in frequency and intensity. We review> 200 …

Measurements of the production and consumption of organic material have been a focus of
aquatic science for more than 80 years. Over the last century, a variety of approaches have …