Reference:
Nemec, K.T., Allen, C.R., Helzer, C.J., & Wedin,D.A. (2013). Influence of richness and seeding density on invasion resistance in experimental tallgrass prairie restoration. Ecological Restoration, 31(2), 168-185. Summary: Researchers set out to better understand the role richness plays in reducing invasive species success in medium-sized plots. Results indicate that richness is more important at regulating invasive species colonization than density. Research Goals:
Richness was found to be more important than density of reducing the success of invasive species. This could be due to increases in richness allowing for more niches to be filled in the plots effectively reducing the availability of nutrients and space for invasive species to consume. This can help restoration planners by emphasizing the need to fill all available niches to reduce the chance of invasive colonization. Moreover, richness should be seen through different types of plants not just multiple species of a single type (ie: multiple species of grass). Questions:
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