Indicators - Ecosystems
© Kathy Weaver
Water Flowers by Kathy Weaver
Fragmentation and flow regulation of rivers: Dam Density
Other resources:
Global map of Dam Density [C.J Vorosmarty et al. (2010), CUNY]
Map of fragmentation and flow regulation by large river systems, 2005 [WWDR2, Map 5.3]
Figure of the fragmentation and flow regulation by biome type, 2005 [WWDR2, Figure 5.4]
Figure of the effects of river fragmentation and flow regulation by region and biome type, 2005 [WWDR3, Figure 8.2]
Dissolved nitrogen (nitrates + nitrogen dioxide)
Other resources:
Map of Inorganic nitrogen concentrations for major watersheds by region, 1979–90 and 1991–2003 [WWDR2, Map 5.2]
Map of the percent change of NO3 + NO2-N in selected watersheds 1990-99 and 2000-07
Trends in catchment protection
Other resources:
Terrestrial areas protected [January 2010. Cambridge, UK: UNEP-WCMC]
Distribution and degree of protection of wetland habitats by region [WWDR2, Figure 5.7]
Freshwater species population trends index
Other resources:
Figure of the Living Planet Index, 1970-2000 [WWDR2, Figure 5.2]
Figure of the biodiversity in freshwater species, 1970-2005 [WWDR3, Figure 8.1]
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