Here is select list of subject headings to try searching in the Goldstein Library Catalog. You'll want to try different search terms and strategies as your research develops.
Below is a small selection of books to gather reference images of different habitats, landscapes, and biomes. Many books on ecology are related to specific geographical areas or climates. Helpful sections to browse for additional titles on biomes and landscapes are located in the QLs, QHs, and TR600s. Keep in mind that many photography books on nature and landscapes could be helpful as well.