Found 32 datasets matching "δ15N".
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Bat guano is an emergent paleoenvironmental archive and isotopic compositions of bat guano have been tied to climate, vegetation, and trophic processing in isolated studies. However, a...
Search relevance: 90.12 | Views last month: 0 -
To demonstrate connectivity between terrestrial and marine ecosystems, we used stable (δ13C, δ15N, δ2H) and radiogenic (∆14C) isotopes to estimate the relative contribution of glacier runoff and...
Search relevance: 61.33 | Views last month: 0 -
This dataset includes total phosphorus (TP), total nitrogen (TN), and total carbon (TC) concentrations as well as δ15N and δ13C composition, and overall C:N:P stoichiometry for adult emergent...
Search relevance: 61.03 | Views last month: 0 -
The effects of cerium oxide nanoparticles (CeO2-NPs) on 15N/14N ratio (δ15N) in wheat and barley were investigated. Seedlings were exposed to 0 and 500 mg CeO2-NPs/L (Ce-0 and Ce-500,...
Search relevance: 55.91 | Views last month: 0 -
This dataset provides time series of tree ring N isotopes for individual trees and corresponding time series of temperature, precipitation, atmospheric N deposition, atmospheric S deposition, and...
Search relevance: 54.41 | Views last month: 1 -
Four tabular datasets containing 1) 2016-2018 water quality analysis results of NO3+NO2, NH4, & Total Dissolved Phosphorus (TDP) for selected anchialine pools in Kaloko-Honokohau NHP and in...
Search relevance: 49.60 | Views last month: 1 -
We analyzed sequential δ13C and δ15N values along single whiskers sampled from unrelated northern fur seal pups and post-parturient females at San Miguel Island, California. The longest dorsal...
Search relevance: 48.95 | Views last month: 0 -
Insect metamorphosis often results in substantial chemical changes that can fractionate isotopes and alter contaminant concentrations. We exposed larval mayflies (Baetis tricaudatus) to an aqueous...
Search relevance: 43.57 | Views last month: 0 -
This dataset contains isotope results of stable isotope (δ13C and δ15N) and radicoarbon (F14C) analyses of muscle tissue from fish collected in the nearshore Beaufort Sea, Alaska in summers 2017-2019.
Search relevance: 43.07 | Views last month: 0 -
These datasets provide raw stable isotope data collected as part of the National Wetland Condition Assessment (NWCA). δ15N and δ13C measured from 10-cm Standard Depth Soil Cores are reported for...
Search relevance: 42.45 | Views last month: 19 -
This release is for data on Zinc concentrations and isotopic signatures of an aquatic insect (mayfly, Baetis tricaudatus). Mayflies were exposed to an aqueous zinc concentration gradient in a...
Search relevance: 40.29 | Views last month: 1 -
This study was initiated to provide baseline data and to determine the utility of stable isotope analysis to evaluate the foraging strategies of an opportunistic reptile predator. Stable isotope...
Search relevance: 40.15 | Views last month: 0 -
This release is for data on Zinc concentrations and isotopic signatures of an aquatic insect (mayfly, Baetis tricaudatus). Mayflies were exposed to an aqueous zinc concentration gradient in a...
Search relevance: 39.43 | Views last month: 0 -
This dataset contains stable isotope (δ13C) and radioisotope (Δ14C) compositions of dissolved inorganic carbon, dissolved organic carbon, particulate organic carbon, and bed material organic...
Search relevance: 38.36 | Views last month: 0 -
These data were compiled or measured (depending on the trait) for 110 plant species which were documented in vegetation monitoring surveys in years 2012-2014 along the Colorado River through Grand...
Search relevance: 38.01 | Views last month: 0 -
Urban environments often contain mosquito species that are responsible for transmitting medically important pathogens to humans. Large disturbance events, like hurricanes, can devastate large...
Search relevance: 38.00 | Views last month: 2 -
Nitrogen stable isotope data and associated meta data from the 2007 National Lakes Assessment, and the 2008-2009 National Rivers and Streams Assessment. The data also include site location,...
Search relevance: 34.04 | Views last month: 0 -
These data were compiled for a manuscript that examines the riverine food-web structure of the Colorado River below Glen Canyon dam to its confluence with Lake Mead. Tissue from primary producers...
Search relevance: 31.62 | Views last month: 0 -
Mercury is an atmospherically transported contaminant found even in relatively pristine habitats. Once accumulated at the base of the food web, mercury can move between animals that are linked...
Search relevance: 31.14 | Views last month: 0 -
Mesopelagic fishes represent an important component of the marine food web due to their global distributions, high abundances and ability to transport organic material throughout a large part of...
Search relevance: 30.07 | Views last month: 0
