Ward, David Hume2009-07-202009-07-201983Ward, David Hume. The Relationship of Two Seagrasses: Zostera marina and Ruppia maritima to the Black Brant, Branta bernicla Nigricans, San Ignacio Lagoon, Baja California, Mexico. Thesis (M.S.)--University of Oregon, 1983, 1983.https://hdl.handle.net/1794/9460ix, 60 leaves : maps ; 28 cm Notes Typescript Thesis (M.S.)--University of Oregon, 1983 Includes vita and abstract Bibliography: leaves 56-60 Another copy on microfilm is located in Archivesen-USSeagrasses -- Mexico -- Baja California (Peninsula)Brant -- Food -- Mexico -- Baja California (Peninsula)Zostera marina -- Mexico -- Baja California (Peninsula)Thesis