A food source for predators such as owls and herons.
An ecological ‘source’ that helps increase populations of various animals.
A habitat for dragonflies and damselflies, which control mosquitoes by eating them as larvae and adults.
An opportunity to teach adults and children about ecological interactions and conservation biology.
A way to spark interest in biology and ecology for people of all ages.
A source of experiments—for example, what to do if the water turns green or starts to smell.
A practical teaching tool for learning how to manage ecosystems, both small and large.
Cons of backyard ponds:
A water source for wildlife you might not want to attract.
A food source for predators that may be less welcome, such as raccoons or garter snakes.
An ecological ‘sink,’ where animals are drawn to the pond but cannot thrive (for instance, if a pet cat catches every frog that appears).
A breeding ground for mosquitoes if you don’t have fish or dragonfly larvae to keep their numbers in check.
A potential source of stress if water quality declines or the ecosystem is mismanaged.
“Ponds gone wrong”—there are many cautionary videos online showing what can happen. Having your own backyard pond can bring pleasure or frustration. The more you learn, the easier it is to manage a pond with little effort and to enjoy it as a source of lasting interest and satisfaction.
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