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Fig. 1


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Diagram visualizing the opposite distributional trends of two guild algal metrics along the generalized land use gradient used in stream IBIs in California by Fetscher et al., 2014. Legend: Lower-left triangle indicates the ZHR guild metric consisting of Zygnemataceae, heterocystous cyanobacteria and red algae; Upper-right triangle indicates the CRUS guild metric consisting of Cladophora glomerata L., Rhizoclonium hieroglyphicum (C. Agardh) Kütz., Ulva flexuosa Wulfen, and Stigeoclonium spp. Abbreviations:see Table 1.

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