Tag Archives: Bertness

The implications of our Top-Down Systems

The Silliman and Bertness article shows the importance of the trophic cascade. The authors essentially talk about how although a bottom-up approach of nutrients in a system can have an effect on an ecosystem, the main method of regulation is … Continue reading

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Bottom-Up or Top-Down?

Prior to reading Silliman and Bertness’ paper I thought that most ecosystems were bottom-up systems and that physical and chemical factors had the strongest influence on their organisms. After all, the nutrients an organism is exposed to, the environment it … Continue reading

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Dinner at the Cost of Destroying the Environment

When we take resources from our environment, we don’t always consider the potential consequences.  Choices that seem like they wouldn’t affect the environment that much can actually cause far more damage than we realize.  Sometimes altering even one part of … Continue reading

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