Increasing pressure for humanwater, food and energy securitymake
understanding freshwater ecosystem processes and managing sustainable
ecosystem services critical. Freshwater is a fundamental resource
for human life, and the services provided by surface freshwater ecosystems
underpin global water security, food security and economic productivity
(Hanjra & Qureshi, 2010). Freshwater ecosystems occur in
freshwater systems including lakes, ponds, streams and rivers, and in