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  • Food-chain length in desert streams of central and southern Arizona, USA
  • Harms, Tamara; University of Alaska Fairbanks
    Sabo, John; Tulane University
    Gaines-Sewell, Leah; Arizona State University
  • 2022-02-15
  • Harms, T., J. Sabo, and L. Gaines-Sewell. 2022. Food-chain length in desert streams of central and southern Arizona, USA ver 1. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-28).

  • benthic organic matter

    Coarse and fine particulate benthic organic matter were collected and analyzed from 10 desert streams during baseflow conditions. All samples were analyzed for organic matter content, and fine particulate organic matter samples were analyzed for carbon:nitrogen ratio and delta-C-13.

    nutrient-diffusing substrata

    Nutrient-diffusing substrata (NDS) were incubated in nine streams in Arizona. Replicates (4) of control (no nutrient addition), nitrogen, phosphorus, and nitrogen + phosphorus additions were incubated for three weeks in each stream. NDS were incubated during summer baseflow (June 2017) and in autumn (October 2018). Samples were frozen until extraction and measurement of chlorophyll a concentration.

  • Geographic Coordinates
    • N: 34.3179, S: 34.3179, E: -112.0733, W: -112.0733
    • N: 31.6362, S: 31.6362, E: -110.4257, W: -110.4257
    • N: 32.9572, S: 32.9572, E: -109.5334, W: -109.5334
    • N: 33.0654, S: 33.0654, E: -109.4417, W: -109.4417
    • N: 31.4458, S: 31.4458, E: -110.3137, W: -110.3137
    • N: 33.072, S: 33.072, E: -109.2984, W: -109.2984
    • N: 31.6064, S: 31.6064, E: -110.1606, W: -110.1606
    • N: 31.3444, S: 31.3444, E: -110.8508, W: -110.8508
    • N: 33.7537, S: 33.7537, E: -111.5058, W: -111.5058
    • N: 34.8681, S: 34.8681, E: -112.4013, W: -112.4013
    • N: 34.6685, S: 34.6685, E: -111.714, W: -111.714
  • This data package is released to the "public domain" under Creative Commons CC0 1.0 "No Rights Reserved" (see: https://creativecommons.org/publicdomain/zero/1.0/). The consumer of these data ("Data User" herein) has an ethical obligation to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or coauthorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is". The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.
  • DOI PLACE HOLDER
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