The GDA in 2017

The last year has been a challenge to many environmental groups, both in St. Louis and nationwide, but here at the GDA, we like to stay positive and focus on the many good things that 2017 has [...]

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Keystone Species in Communities

In ecology, keystone species are the animals and plants that uniquely contribute to their environment in such a way that the ecosystem they live in would be totally unrecognizable without them. [...]

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