Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Mark D. Munn"'
Autor:
Celeste A. Journey, Peter C. Van Metre, Ian R. Waite, Jimmy M. Clark, Daniel T. Button, Naomi Nakagaki, Sharon L. Qi, Mark D. Munn, Paul M. Bradley
Publikováno v:
Heliyon, Vol 4, Iss 11, Pp e00904- (2018)
The U.S. Geological Survey (USGS) Southeastern Stream Quality Assessment (SESQA) collected weekly samples for nitrogen and phosphorus in 76 wadeable streams in the urbanized Piedmont Ecoregion of the Southeastern United States, during April–June 20
Externí odkaz:
https://doaj.org/article/46e6b7c0f7c64a368d968a51a71b2783
Publikováno v:
Freshwater Science. 39:680-692
Biological assemblages are commonly used for assessing stream health, but there is increased interest among the freshwater research community in incorporating measures of stream function, s...
Autor:
Barbara J. Mahler, Michelle L. Hladik, Lisa H. Nowell, Travis S. Schmidt, Daren M. Carlisle, Sharon L. Qi, Jason T. May, Mark D. Munn, Peter C. Van Metre
Publikováno v:
Environmental Science & Technology. 54:5509-5519
Streambed sediment is commonly analyzed to assess occurrence of hydrophobic pesticides and risks to aquatic communities. However, stream biofilms also have the potential to accumulate pesticides and may be consumed by aquatic organisms. To better cha
Autor:
Barbara J. Mahler, Michael R. Meador, Patrick W. Moran, Mark D. Munn, Daren M. Carlisle, Ian R. Waite, Peter C. Van Metre, Lisa H. Nowell, Allen C. Gellis, Christopher P. Konrad, Paul M. Bradley, Travis S. Schmidt
Publikováno v:
The Science of the total environment. 800
Biological assemblages in streams are affected by a wide variety of physical and chemical stressors associated with land-use development, yet the importance of combinations of different types of stressors is not well known. From 2013 to 2017, the U.S
Publikováno v:
Ecological Indicators. 85:1239-1248
Water resource managers face increasing challenges in identifying what physical and chemical stressors are responsible for the alteration of biological conditions in streams. The objective of this study was to assess the comparative influence of mult
Autor:
Christopher A. Mebane, Ian R. Waite, Mark D. Munn, Kathy E. Lee, Ronald B. Zelt, Terry R. Maret, Jeffrey W. Frey, John H. Duff, Robert W. Black, Anthony J. Tesoriero
Publikováno v:
Circular. :1-80
Autor:
Mark D. Munn, Karl D. Burton, Scott W. Anderson, R. Little, Christopher P. Konrad, Andrew S. Gendaszek
Publikováno v:
River Research and Applications. 34:24-33
Autor:
Christopher P. Konrad, Mark D. Munn
Publikováno v:
JAWRA Journal of the American Water Resources Association. 52:1223-1237
Benthic chlorophyll a (BChl a) and environmental factors that influence algal biomass were measured monthly from February through October in 22 streams from three agricultural regions of the United States. At-site maximum BChl a ranged from 14 to 406
Autor:
Patrick W. Moran, Michael R. Meador, Ian R. Waite, Lisa H. Nowell, Peter C. Van Metre, Mark D. Munn, Christopher P. Konrad, Daren M. Carlisle
Publikováno v:
The Science of the total environment. 660
During 2014, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) project assessed stream quality in 75 streams across an urban disturbance gradient within the Piedmont ecoregion of southeastern United States. Our objectives we
Publikováno v:
Environmental monitoring and assessment. 191(4)
We assessed how diatom metrics were related to different ranges of agricultural land use. Diatom assemblage composition, nutrients, and landscape characteristics were determined at 232 sites in eight agriculturally dominated study areas of the contin