Figure 1

From: Aquatic urban ecology at the scale of a capital: community structure and interactions in street gutters

Figure 1

Microbial inventory of the non-potable water networks and street gutters of Paris. (a) Geospatial distribution of the sampling sites over the entire Parisian metropolitan area. The color code corresponds to gutter mats (GM, blue, n=90), raw water collected from the non-potable subnets (RW, red, n=8) and flowing water (FW, orange, n=6), which corresponds to the Seine River and a Marne tributary that are used to generate raw water. The grey-scale indicates the seven non-potable water functional subnets (Passy, Montmartre, Ménilmontant, Belleville, Charonne, Villejuif and Bas-Ourcq) in Paris. The orange and black pictograms indicate the location of the three non-potable water factories that are located close to the Seine River (Auteuil and Austerlitz) and to the canal de l’Ourcq (Villette); (b) Pictures of the gutters and non-potable water devices sampled across the entire city of Paris. In many cases, microbial mats were clearly visible.