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1. GIS Coverage for the National Water-Quality Assessment (NAWQA) Program Retrospective Database for Nutrients in Surface Water: Monitoring Locations [NAWQAHIS]
The retrospective database is a compilation of historical water-quality and ancillary data collected before NAWQA Study Units initiated sampling in 1993. This coverage contains the point locations ...


2. Long-Term Ecological Research (LTER)/CDR018: Plant Competition Under Different Nitrogen Levels at Cedar Creek Natural History Area [LTER_CDR018]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR018 [Summary adapted from the LTER Core Data Set Catalog]: This is the new ...


3. Long-Term Ecological Research (LTER)/CDR003: Effects of Nutrients on Vegetation at Cedar Creek Natural History Area [LTER_CDR003]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR003 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


4. Late Cretaceous and Early Paleogene Nutrient and Paleoproductivity Data [NOAA_NCDC_PALEO_2003-034]
We evaluate phosphorus (P) and biogenic barium (bio-Ba) as nutrient burial and export productivity indicators for the Late Cretaceous and early Paleogene, combining these with calcium carbonate ...


5. Growth and Chemical Responses to CO2 Enrichment - Virginia Pine (Pinus Virginiana Mill.), CDIAC NDP-009 [CDIAC_NDP9]
Growth and chemical responses of Virginia pine grown in open-top growth chambers at elevated CO2 concentrations (+0, +75, +150, +300, +600 ppmv) were evaluated over a four-month period. The seedlings ...


6. Integrated Forest Study (IFS): Atmospheric Deposition and Forest Nutrient Cycling: Oak Ridge Loblolly Site [IFS_OAKRIDGE_SITE]
The Integrated Forest Study (IFS) was a project to evaluate the effects of atmospheric deposition on nutrient cycling in forest ecosystems. Deposition and nutrient cycling were monitored at 17 forested ...


7. Chemical Composition of Samples Collected from Waste Rock Dumps and Other Mining-Related Features at Selected Phosphate Mines USGS OFR 01-411 [USGS_OFR01-411]
Chemical Composition of Samples Collected from Waste Rock Dumps and Other Mining-Related Features at Selected Phosphate Mines in Southeastern Idaho, Western Wyoming, and Northern Utah The sampling ...


8. Long-Term Ecological Research (LTER)/HBR012: Revegetation Surveys on a Disturbed Watershed (WS 2) at the Hubbard Brook [LTER_HBR012]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR012: During the winter of 1965-1966, watershed 2 at HBEF was clearcut and all trees left on site. During ...


9. Effects of CO2 and Nitrogen Fertilization on Growth and Nutrient Content of Juvenile Ponderosa Pine (ORNL/CDIAC-107, NDP-061A) [CDIAC_NDP061A]
This data set presents measured values of plant diameter and height, biomass of plant components, and nutrient (carbon, nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, copper, ...


10. Long-Term Ecological Research (LTER)/KNZ010: Prairie Litterfall Measurements at Konza Prairie Research Natural Area (KPRNA) [LTER_KNZ010]
LTER - Long-Term Ecological Research Program/Konza Prairie (KNZ) LTER/KNZ010 [Summary adapted from the LTER Core Data Set Catalog]: Litter falling to the soil surface of tallgrass prairie was measured ...


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