A lake community with four trophic levels suddenly suffers from algal blooms. Using the strategy of biomanipulation, an ecologist may propose removing zoonplankton.
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The negative impacts of deforestation can be minimized by cutting down fewer trees of course. You can also plant more trees to help replace those lost to deforestation. Take care of the environment by recycling, not littering, and respecting wildlife. Reduce carbon emissions by riding a bike instead of a car, and turning the lights off when not using a room. Don't leave campfires unattended and put them out fully when done, to prevent forest fires from starting.
