Scientists detect aquatic ecosystem warning signal

Scientists have found what appears to be the stress signals of a lake ecosystem that is on its way to collapse. Stephen Carpenter of the University of Wisconsin, Madison and colleagues carefully monitored the food web in a Wisconsin lake as they gradually introduced largemouth bass into the ecosystem. The researchers noticed a shift in the algae populations that were directly related to the altered feeding behavior of smaller lake...

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Inspiring an Environmental Stewardship Generation

This post contributed by Terence Houston, ESA Science Policy Analyst It’s been said that, for better or worse, the experiences from your early childhood tend to stick with you for the rest of your life and influence the adult you become. Policymakers, environmentalists and ecological scientists are wise to take this sentiment into account in their efforts to get average citizens to care more about the environment and inform policy as...

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Human-ecosystem interactions: Perspectives from the LTER symposium

This post was contributed by Piper Corp, ESA Science Policy Analyst Human-ecosystem interactions are complex and ever changing, influenced by factors ranging from region to religion, family history to homeowner’s associations. And in many cases, global change is having, and will continue to have, a pronounced impact on these already dynamic relationships—not only on which ecosystem services people value, but also how they obtain, use,...

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