Emily D'Souza- Topic of Choice 3: Caleb Redick Forest Restoration

 I believe this lecture took place over two class periods, and Caleb Redick presented on ecological restoration, and his personal experience with experiments on restoring areas in different ways. We learned that there are many issues that ecosystems may face, such as habitat loss, invasive species, disruptions in nutrient cycling, and overexploitation of resources. His niche was in forest restoration so that is what the lecture focused on. Some of the obstacles to forest restoration are the overpopulation of herbivores, competing vegetation, invasive species, soil composition, etc.. The most interesting part of his lecture to me was the discussion on deer, and how they can be detrimental to an ecosystem and forest restoration. I didn’t know that deer could cause so many problems, as well as do damage to an ecosystem. I knew that overpopulation of one species in an ecosystem would raise issues, but it seems that deer, just being deer, can cause issues to forest restoration. How does a cute animal that I see often cause this? Redick classified deer as “anthropogenically abundant”, which basically means they are capable of making changes to the environment. Deer are herbivores, so since they eat plants, when trying to restore trees and vegetation, they eat the plants before they have time to fully mature. Them walking on the soil can also reduce the possibility of successful restoration. Other issues they pose is an increase in time and costs for regeneration, or a total failure in ecological restoration. Him and his team concluded that fencing the restoration area had the greatest positive influence on survival and growth. Other management strategies discussed were population reduction/control and an increase in food resources for the ecosystem.

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