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Articles 1 - 2 of 2
Full-Text Articles in Ecology and Evolutionary Biology
Island Invasion: The Silent Crisis In Hawaii, Sophia Janssen
Island Invasion: The Silent Crisis In Hawaii, Sophia Janssen
Pomona Senior Theses
Keeping out invasive species may, upon first review, seem like a trivial environmental cry from ecologists and deep environmentalists; a belated wish to return to an undeveloped world where nature was pristine. However invasive species create problems that impact all of us and can have far more severe consequences than changing a stunning landscape. These problems are heightened in islands like Hawaii, where the fragile ecosystems have developed over centuries of evolution and adaptation. The introduction of a disease-carrying mosquito can put the people of Hawaii at risk to many vector-born illnesses and create an epidemic, taking human life. The …
The Effects Of Invasive Grasses On The Survival And Germination Of Native Forbs, Rachel A. King
The Effects Of Invasive Grasses On The Survival And Germination Of Native Forbs, Rachel A. King
Scripps Senior Theses
Invasive species are an increasingly severe conservation problem that can dramatically alter native plant communities. Although ecologists have proposed many mechanisms for the dominance of invasive species, superior competitive ability is one of the longest standing hypotheses. In winter annual plant communities, germination timing affects competition among plants. I hypothesized that grass invasion has changed the costs and benefits of early and late germination, and that species with flexible germination timing would compete better with invasives. Experiments at the Bernard Field Station in Claremont, CA and germinator trials in a controlled environment were used to examine the survivorship and germination …