Results 231 to 240 of about 1,224,777 (284)

Denitrification Potential in Urban Riparian Zones

Journal of Environmental Quality, 2003
ABSTRACTDenitrification, the anaerobic microbial conversion of nitrate NO−3 to nitrogen (N) gases, is an important process contributing to the ability of riparian zones to function as “sinks” for NO−3 in watersheds. There has been little analysis of riparian zones in urban watersheds despite concerns about high NO−3 concentrations in many urban streams.
Peter M, Groffman, Marshall Kamau, Crawford   +1 more
openaire   +2 more sources

Perchlorate natural attenuation in a riparian zone

Journal of Environmental Science and Health, Part A, 2014
Multiple lines of evidence were used to document the natural attenuation of perchlorate in a shallow alluvial aquifer. In the upgradient, aerobic portion of the aquifer, perchlorate did not biodegrade. However, natural flushing by groundwater flow is reducing perchlorate concentrations in the aquifer over time.
Robert C, Borden, Sheri L, Knox, M Tony, Lieberman, Dora, Ogles   +3 more
openaire   +2 more sources

Integrative conservation of riparian zones

Biological Conservation, 2017
Riparian zones are the interface between aquatic and terrestrial systems along inland watercourses.
González, Eduardo, Felipe Lucia, Maria del Rosario, Bourgeois, Bérenger, Boz, Bruno, Nilsson, Christer, Palmer, Grant, Sher, Anna A.   +6 more
openaire   +1 more source

The Ecology of Interfaces: Riparian Zones

Annual Review of Ecology and Systematics, 1997
Riparian zones possess an unusually diverse array of species and environmental processes. The ecological diversity is related to variable flood regimes, geographically unique channel processes, altitudinal climate shifts, and upland influences on the fluvial corridor.
Robert J. Naiman, Henri Décamps
openaire   +1 more source

An Ecosystem Perspective of Riparian Zones

BioScience, 1991
R iparian zones are the interfaces between terrestrial and aquatic ecosystems. As ecotones, they encompass sharp gradients of environmental factors, ecological processes, and plant communities. Riparian zones are not easily delineated but are comprised of mosaics of landforms, communities, and environments within the larger landscape.
Stanley V. Gregory, Frederick J. Swanson, W. Arthur McKee, Kenneth W. Cummins   +3 more
openaire   +1 more source

Persistent Elevated Nitrate in a Riparian Zone Aquifer

Journal of Environmental Quality, 2008
AbstractStreamside vegetated buffer strips (riparian zones) are often assumed to be zones of ground water nitrate (NO3−) attenuation. At a site in southwestern Ontario (Zorra site), detailed monitoring revealed that elevated NO3−–N (4–93 mg L−1) persisted throughout a 100‐m‐wide riparian floodplain.
William D, Robertson, Sherry L, Schiff
openaire   +2 more sources

The riparian zone as a gatekeeper for subsurface stormflow

2023
Subsurface stormflow (SSF) can be a major streamflow generation process in small catchments. It is known that SSF generated on the hillslopes of the catchment may change both in its chemical and quantitative composition on the way to the stream. This occurs primarily due to processes in the riparian zone. The riparian zone plays the role of a "reactor"
Alexey Kuleshov, Anne Hartmann, Theresa Blume, Maria-Luisa Hopp   +3 more
openaire   +1 more source

Edge-Effect of Ecological Riparian Zone

2009
Ecological riparian zone is a transition zone between river ecosystem and land ecosystem interface, surface water and ground water, through which material, energy and information have been exchanged. Because ecological riparian zone is interlaced zone between different ecosystems in spacial structure, it has complex edge-effect, such as hydraulic edge ...
Jihong Xia, Ling Hu, Qianchao Pu
openaire   +1 more source

Response of Birds to Grazing of Riparian Zones

The Journal of Wildlife Management, 2000
Livestock grazing of streams and associated riparian areas may negatively impact avian communities through direct disturbance and alteration of vegetation structure. We determined the effects of grazing on vegetation, avian abundance, species richness, and reproductive success on pasture streams and associated riparian habitats in southwest ...
Gary J. Popotnik, William M. Giuliano
openaire   +1 more source

Riparian Buffer Zones: Functions and Dimensioning

2015
This article presents a scientific overview of the basic implementation of the principles of ecological engineering in riparian zone management and restoration. Buffer zones transform a pollutant signal as a sink within the catchment area from source emission to surface water bodies.
Mander, Ülo, Tournebize, Julien
openaire   +3 more sources