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Healthy ecosystems are not a luxury, but a necessity for humans to survive on our planet in the long term. Humans depend upon healthy aquatic ecosystems for water for human consumption, food production, irrigation, energy generation, and wide range of global environmental services that underpin the natural functions of the Earth.
During the latest decennia it has become obvious that human activity is causing serious ecosystem degradation from the local to the global scale. General analyses and reviews over the past two decades (Allison, 2004, Burke et al., 2001, GEO 4, WWDP 2006)