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Drivers and Spatio-Temporal Extent of Hyporheic Patch Variation: Implications for Sampling

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  • Alexander Braun
  • Karl Auerswald
  • Juergen Geist

Abstract

The hyporheic zone in stream ecosystems is a heterogeneous key habitat for species across many taxa. Consequently, it attracts high attention among freshwater scientists, but generally applicable guidelines on sampling strategies are lacking. Thus, the objective of this study was to develop and validate such sampling guidelines. Applying geostatistical analysis, we quantified the spatio-temporal variability of parameters, which characterize the physico-chemical substratum conditions in the hyporheic zone. We investigated eight stream reaches in six small streams that are typical for the majority of temperate areas. Data was collected on two occasions in six stream reaches (development data), and once in two additional reaches, after one year (validation data). In this study, the term spatial variability refers to patch contrast (patch to patch variance) and patch size (spatial extent of a patch). Patch contrast of hyporheic parameters (specific conductance, pH and dissolved oxygen) increased with macrophyte cover (r2 = 0.95, p

Suggested Citation

  • Alexander Braun & Karl Auerswald & Juergen Geist, 2012. "Drivers and Spatio-Temporal Extent of Hyporheic Patch Variation: Implications for Sampling," PLOS ONE, Public Library of Science, vol. 7(7), pages 1-10, July.
    • Handle: RePEc:plo:pone00:0042046
    DOI: 10.1371/journal.pone.0042046
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    Cited by:

    1. Yanguang Chen, 2020. "New framework of Getis-Ord’s indexes associating spatial autocorrelation with interaction," PLOS ONE, Public Library of Science, vol. 15(7), pages 1-25, July.
    2. Yanguang Chen, 2015. "A New Methodology of Spatial Cross-Correlation Analysis," PLOS ONE, Public Library of Science, vol. 10(5), pages 1-20, May.
    3. Agnieszka Tłuczak, 2020. "Diversity of the selected elements of agricultural potential in the European Union countries," Agricultural Economics, Czech Academy of Agricultural Sciences, vol. 66(6), pages 260-268.

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