Found 265 datasets matching "Nutrient Concentrations".
-
Nutrient measurements for fine roots were compiled from 56 published studies providing information on 372 different combinations of species, root diameter, rooting depths, and soils at a variety...
Search relevance: 130.39 | Views last month: 0 -
Spreadsheets are included here to support the manuscript "Boosted Regression Tree Models to Explain Watershed Nutrient Concentrations and Biological Condition". This dataset is associated with...
Search relevance: 125.93 | Views last month: 0 -
The data contain yearly modeled estimates of Pacific salmon escapement (in annual metric tons of wet mass) from 1976 to 2015 across four regions of western North America. A second data file...
Search relevance: 113.47 | Views last month: 0 -
This data release supports analyses of the relations between monthly average nutrient concentrations in the Herring River on the ebb tide near Wellfleet Massachusetts and monthly average...
Search relevance: 113.19 | Views last month: 0 -
Water samples were collected by the USGS National Water Quality Program (NWQP) Southeastern Stream Quality Assessment (SESQA) from 76 perennial, wadeable (less than 10 m width and 1 m depth at...
Search relevance: 110.35 | Views last month: 0 -
This dataset is generated from a study of a saltmarsh on Dauphin Island (30º15.43’N, 88º07.438’W) that is dominated by Spartina alterniflora and is interspersed with Juncus roemerianus. Tides are...
Search relevance: 104.78 | Views last month: 0 -
During water years 2016–2021 (a water year begins on October 1 and ends on September 30 and is designated by the year in which it ends), the U.S. Geological Survey (USGS), in cooperation with the...
Search relevance: 101.58 | Views last month: 0 -
During water years 2016–2020, the U.S. Geological Survey, in cooperation with the Illinois Environmental Protection Agency, operated continuous monitoring stations on eight of the major rivers in...
Search relevance: 97.41 | Views last month: 0 -
During water years 2016–2022 (a water year begins on October 1 and ends on September 30), the U.S. Geological Survey (USGS), in cooperation with the Illinois Environmental Protection Agency...
Search relevance: 97.23 | Views last month: 0 -
During the 2018–20 water years, the U.S. Geological Survey, in cooperation with the Metropolitan Water Reclamation District of Greater Chicago, operated a continuous monitoring station on the Des...
Search relevance: 90.52 | Views last month: 0 -
This data set provides carbon (C), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg) concentrations in green and senesced leaves. Vegetation characteristics reported...
Search relevance: 83.26 | Views last month: 0 -
This data release contains nutrient and sediment concentrations, loads, and yields from a USGS subsurface-tile edge-of-field (EOF) agricultural monitoring site. Sampling and flow monitoring were...
Search relevance: 77.77 | Views last month: 0 -
This record describes water quality inorganic nutrient concentration metrics collected monthly between May 2023 to May 2024 to provide reference data of nearshore and watershed water quality on...
Search relevance: 76.72 | Views last month: 0 -
This data release includes estimates of annual and daily concentrations and fluxes for nitrate plus nitrite, total phosphorus, and suspended sediment for two sites in the Upper Macoupin Creek...
Search relevance: 69.29 | Views last month: 0 -
This data release includes remotely sensed lake and lake chemistry and water temperature data collected from 2011 to 2014) from a series of lakes on the Arctic Coastal Plain of Alaska. Most of the...
Search relevance: 68.47 | Views last month: 0 -
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus cycling below Lake Powell in...
Search relevance: 66.89 | Views last month: 0 -
This dataset utilized available water-quality data from the Mississippi Department of Environmental Quality and streamflow from the U.S. Geological Survey to estimate total nitrogen and total...
Search relevance: 60.38 | Views last month: 0 -
This record provides dissolved inorganic nutrient and human dietary tracer (caffeine and sucralose) concentration metrics collected monthly between May 2023 to May 2024 to provide reference data...
Search relevance: 58.04 | Views last month: 0 -
A variety of nutrient sources transported by multiple flow paths contribute to the nutrient load entering Willow Creek Lake. In addition to Willow Creek, there are several smaller tributaries that...
Search relevance: 57.98 | Views last month: 0 -
We calculated estimates describing interannual variation in seed production for series of long-term seed or fruit production in 219 plant species. For each plant species, we compiled estimates of...
Search relevance: 57.17 | Views last month: 0
