Web of Science is an authoritative, multidisciplinary database covering more than 15,000 journals. It is a good choice for most any science topic. It also provides cited and citing reference tracking.

A biology-focused database, this resource offers citations (and links out to the Furman Full Text) to research in biomedicine, biotechnology, zoology and ecology, and some aspects of agriculture and veterinary science

GreenFile focuses on information related to human impact on the environment. It is a collection of scholarly, government, and general-interest titles.

Excellent for general biology and ecology articles. Full-text of articles may be requested from the library via Get it Now.

JSTOR is a scholarly journal archive providing the full-text of thousands of journals. Many journals, however, do not include current coverage. It is good for historical research on your topic.