Science Explorer

Exploring: Nutrient Cycling

Southwest Biological Science Center

https://www.usgs.gov/centers/sbsc/science-topics/nutrient-cycling (HTML Document 56.00 KB)

January 18, 2017

Nutrient cycling, connectivity and free-floating plant abundance in backwater lakes of the Upper Mississippi River

Modified 2016-01-29
https://www.umesc.usgs.gov/documents/publications/2013/houser_a_2013.html (HTML Document 10.65 KB)

Nutrient cycling, connectivity and free-floating plant abundance in backwater lakes of the Upper Mississippi River Houser, J. N., S. M. Giblin, W. F ... . James, H. A. Langrehr, J. T.  Rogala, J. F. Sullivan, B. R. Gray.  2013.  Nutrient cycling, connectivity and free-floating plant abundance in ... among hydraulic connectivity to the channel, nutrient cycling, FFP, submersed aquatic vegetation (SAV), and dissolved oxygen concentration (DO) in ten ... among hydraulic connectivity, nutrient cycling, FFP, SAV, and DO in the backwaters of a large, floodplain river. Keywords ...

Nitrogen and phosphorus in the Upper Mississippi River: transport, processing, and effects on the river ecosystem

Modified 2016-01-29
https://www.umesc.usgs.gov/documents/publications/2010/houser_a_2010.html (HTML Document 11.27 KB)

; (2) Nutrient cycling within the river; (3) Spatial and temporal patterns of river nutrient concentrations; (4) Effects of elevated nutrient ... example, nitrate concentrations generally are much lower in off-channel areas than in the main channel. The specifics of in-river nutrient cycling and ... Gulf of Mexico, and important questions concerning nutrient cycling in the UMR remain. Eutrophication and resulting changes in river productivity have ... Mississippi River (UMR) can be organized into the following categories: (1) Long-term changes in nutrient concentrations and export, and their causes ...

Nutrient Sources and Cycling in Aquatic Systems

Modified 2015-08-04
https://toxics.usgs.gov/meetings/2009_FallAGU_Nutrients.html (HTML Document 14.22 KB)

Nutrient Sources and Cycling in Aquatic Systems The U.S. Geological Survey (USGS), University of Pittsburgh , and The City University of New York ... cosponsored the special session "Nutrient Sources and Cycling in Aquatic Systems" at the 2009 AGU Fall Meeting, San Francisco, California, December 14-18 ... , 2009. The session highlighted the latest research on the fate and cycling of nutrients in aquatic environments. USGS science presented at the ... ., nitrogen, phosphorous, organic carbon) have a profound impact on ecosystems and water quality. Spatial and temporal variations in nutrient loading ...

Ecosystem Services

https://www.usgs.gov/science/ecosystem-services (HTML Document 42.11 KB)

such as nutrient cycling, climate regulation, and maintenance of biodiversity. Ecosystems also provide marketable goods like seafood and timber. ...

UMESC - Aquatic Sciences - Nutrient Loading and Effects

Modified 2016-01-29
https://www.umesc.usgs.gov/aquatic/nutrients.html (HTML Document 11.80 KB)

Project Title

Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland

Modified 2016-01-29
https://www.umesc.usgs.gov/documents/publications/2014/erickson_b_2014.html (HTML Document 10.71 KB)

belowground ecosystem processes such as decomposition and nutrient cycling by altering soil microbial community structure and function. The objective ... -term effects on nutrient cycling and plant P uptake in this desert grassland. Keywords   ... Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland Bell, C.W., Tissue, D.T., Loik ... , M.E., Wallenstein, M.D., Acosta-Martinez,V., Erickson, R.A., Zak, J.C., 2014. Soil microbial and nutrient responses to 7 years of seasonally altered ...

USGS FRESC: Calcium oxalate contribution to calcium cycling in forests of contrasting nutrient status - Details

Modified 2013-01-31
https://fresc.usgs.gov/products/ProductDetails.aspx?ProductNumber=53319 (HTML Document 18.84 KB)

Title: Calcium oxalate contribution to calcium cycling in forests of contrasting nutrient status Type: JournalArticle Year: 2014 Volume: 334 Pages ... : 64-73 DOI: http://dx.doi.org/10.1016/j.foreco.2014.08.029 Calcium Oxalate Contributes to Calcium Cycling in Forests Calcium is important for many ... soil acidification deplete ecosystem calcium pools. Full Citation Dauer, J.M., Perakis, S.S., 2014, Calcium oxalate contribution to calcium cycling in ... forests of contrasting nutrient status: Forest Ecology and Management, v. 334, p. 64-73, http://dx.doi.org/10.1016/j.foreco.2014.08.029 . Page Last Modified: 1/31/2013 ...

Harmful Algal Blooms

https://www.usgs.gov/science/harmful-algal-blooms (HTML Document 42.28 KB)

fertilization of lakes and coastal waters, and their economic, ecological and human-health consequences. Understand the link between the nutrient cycling ...

Contrasts between channels and backwaters in a large, floodplain river: testing our understanding of nutrient cycling, phytoplankton abundance, and suspended solids dynamics

Modified 2016-08-15
https://www.umesc.usgs.gov/documents/publications/2016/houser_a_2016.html (HTML Document 10.97 KB)

Contrasts between channels and backwaters in a large, floodplain river: testing our understanding of nutrient cycling, phytoplankton abundance, and ... nutrient cycling, phytoplankton abundance, and suspended solids dynamics.  Freshwater Science. 2016. 35(2):457–473.  DOI: 10.1086/686171. Abstract In ... substances. Nutrient, chlorophyll a, and suspended solids data spanning longitudinal (5 study reaches across 1300 river km), lateral (main channel and ...

SOFIA - Phosphorus budgets in Everglades wetland ecosystems: the effects of hydrology and nutrient enrichment

Modified 2013-09-04
https://sofia.usgs.gov/publications/papers/p_budgets/index.html (HTML Document 14.17 KB)

Phosphorus budgets in Everglades wetland ecosystems: the effects of hydrology and nutrient enrichment G. B. Noe US Geological Survey, 430 National ... phosphorus (P) loading and hydrologic changes. We present whole-ecosystem models of P cycling for Everglades wetlands with differing hydrology and P ... organic matter (floc) layer at the bottom of the water column storing the next largest proportion of ecosystem P pools. However, most P cycling ... P stocks and cycling rates, and low rates of P cycling associated with soils. Phosphorus flux rates cannot be estimated for ecosystem components ...

USGS New Jersey: Topical Teams, NAWQA

Modified 2008-09-08
https://nj.usgs.gov/projects/4571CRN/ (HTML Document 26.52 KB)

"nutrient cycling") in the water column and surrounding sediments, and resulting effects on biological communities in stream reaches. Such cycling ... management practices on transport? (2) Effects of Nutrient Enrichment on Agricultural Streams 1. Determine the total algal biomass and the abundance, type ... , and diversity of algal and aquatic invertebrate communities in streams with different nutrient conditions, watershed characteristics, habitat ... , climate, and other natural factors. 2. Determine the interrelations among nutrient conditions, algal communities, and stream metabolism, which is ...

Rich Sheibley

https://www.usgs.gov/node/719282 (HTML Document 75.81 KB)

    Research Hydrologist October 2009 – Present Hydrologist January 2008 – October 2009 My work at the USGS has focused primarily on nutrient cycling ... in aquatic environments.  I currently am project chief on two projects.  The first project is to determine nutrient loading from groundwater into ... . Sheibley, R.W., Konrad, C.P., and Black, R.W., 2015, Nutrient attenuation in rivers and streams, Puget Sound Basin, Washington: U.S. Geological ... ., Foreman, J.R., Marshall, C.A., and Welch, W.B., 2014, Water and nutrient budgets for Vancouver Lake, Vancouver, Washington, October 2010–October 2012 ...

Rich Sheibley

https://www.usgs.gov/staff-profiles/rich-sheibley (HTML Document 75.81 KB)

    Research Hydrologist October 2009 – Present Hydrologist January 2008 – October 2009 My work at the USGS has focused primarily on nutrient cycling ... in aquatic environments.  I currently am project chief on two projects.  The first project is to determine nutrient loading from groundwater into ... . Sheibley, R.W., Konrad, C.P., and Black, R.W., 2015, Nutrient attenuation in rivers and streams, Puget Sound Basin, Washington: U.S. Geological ... ., Foreman, J.R., Marshall, C.A., and Welch, W.B., 2014, Water and nutrient budgets for Vancouver Lake, Vancouver, Washington, October 2010–October 2012 ...

SOFIA - Phosphorus budgets in Everglades wetland ecosystems: the effects of hydrology and nutrient enrichment

Modified 2013-09-04
https://sofia.usgs.gov/publications/papers/p_budgets/ (HTML Document 14.17 KB)

Phosphorus budgets in Everglades wetland ecosystems: the effects of hydrology and nutrient enrichment G. B. Noe US Geological Survey, 430 National ... phosphorus (P) loading and hydrologic changes. We present whole-ecosystem models of P cycling for Everglades wetlands with differing hydrology and P ... organic matter (floc) layer at the bottom of the water column storing the next largest proportion of ecosystem P pools. However, most P cycling ... P stocks and cycling rates, and low rates of P cycling associated with soils. Phosphorus flux rates cannot be estimated for ecosystem components ...

Proposals Data | SOFIA - Canal and Wetland Flow/Transport Interaction

Modified 2016-12-02
https://sofia.usgs.gov/projects/index.php?project_url=coupling_mdls (HTML Document 20.51 KB)

objective is to study the effects of driving forces on nutrient cycling and contaminant transport. Nutrients carried in the water conveyed by canals draining ... changes in vegetation and biota can be investigated. The effects of driving forces on nutrient cycling and contaminant transport can then be quantified ...

GECSC: Sources, compositions, and effects of atmospheric dust from American Drylands: Geologic-Ecologic Processes - Plant and Soil Biogeochemistry

Modified 2017-03-17
https://esp.cr.usgs.gov/projects/sw/previous/interact/soil_bio.html (HTML Document 3.36 KB)

. These measurements elucidate carbon and nutrient cycling through desert ecosystems and the resilience of biogeochemical cycles to disturbance. The photo below shows an automated soil CO 2 ... Sources, compositions, and effects of atmospheric dust from American Drylands Plant and Soil Biogeochemistry Nutrient and water availability are key ... across areas with and without significant atmospheric dust accumulation. We have also measured soil nutrient content, carbon stocks, and microbial biomass ...

USGS FRESC: Decomposition and Nitrogen Dynamics of Red Alder and Douglas-fir Leaf Litter in Oregon Coast Range Riparian Forests - Details

Modified 2013-01-31
https://fresc.usgs.gov/products/ProductDetails.aspx?ProductNumber=2248 (HTML Document 18.44 KB)

Decomposition of leaf litter is a key contributor to forest food webs, soil nutrient cycling, and carbon dynamics. Oregon State University graduate student ... Joselin Matkins compared decay rates and nutrient cycling of two species of trees that grow along streams in coastal Oregon forests. Leaf litter from red ...

Snake River Salmon Recovery Board and RTT will be hosting a project update and data sharing symposium | pacific northwest aquatic monitoring partnership

https://www.pnamp.org/event/4924?qt-events_panel_quicktab=2 (HTML Document 39.36 KB)

include IMW, CHaMP, life cycle mortality, project effectiveness, use of piezometers to track nutrient cycling and hyporheic flow, geomorphic assessment ...

Rich Sheibley

https://www.usgs.gov/staff-profiles/rich-sheibley?qt-staff_profile_science_products=3 (HTML Document 75.81 KB)

    Research Hydrologist October 2009 – Present Hydrologist January 2008 – October 2009 My work at the USGS has focused primarily on nutrient cycling ... in aquatic environments.  I currently am project chief on two projects.  The first project is to determine nutrient loading from groundwater into ... . Sheibley, R.W., Konrad, C.P., and Black, R.W., 2015, Nutrient attenuation in rivers and streams, Puget Sound Basin, Washington: U.S. Geological ... ., Foreman, J.R., Marshall, C.A., and Welch, W.B., 2014, Water and nutrient budgets for Vancouver Lake, Vancouver, Washington, October 2010–October 2012 ...