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Fig. 1 | BMC Microbiology

Fig. 1

From: Core and conditionally rare taxa as indicators of agricultural drainage ditch and stream health and function

Fig. 1

Study sites. Location of South Nation river basin in eastern Ontario (A); Sample locations in the river basin (B); (C) Land use features of the nine stream sites: S18, S19, S20, and S21 are agricultural drainage ditch sites, S253 (denoted as Agri_253) is located on a larger stream (Strahler stream order = 4), S5, S6, and S10 are under mixed agricultural and urban development, while S24 is in a forested area under no known influence of anthropogenic activity. Maps sources: Google Maps, OpenStreetMap, and Conservation Ontario (https://camaps.maps.arcgis.com/home/index.html); (D) Partial least squares discriminant analysis (PLS-DA) for stream site classification using land use, hydrological features, and water physiochemical properties. The detailed descriptions of the water physicochemical properties can be found in Table 2

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