Texas ScholarWorks - scholarly and research works of the University of Texas at Austin, reflecting the intellectual and service environment of the campus.
Aquatic Commons - thematic digital repository covering the natural marine, estuarine /brackish and fresh water environments.
Biodiversity Heritage Library (BHL) - digitization component of the Encyclopedia of Life; a consortium of 12 major natural history museum libraries, botanical libraries, and research institutions organized to digitize, serve, and preserve the legacy literature of biodiversity.
Digital Libraries: Harmful Algae, National Sea Grant Library.
The Digital Library Center, University of Florida - millions of pages, hundreds of thousands of items, and hundreds of collections.
The Digital Library of the Caribbean (dLOC) - cooperative digital library for resources from and about the Caribbean and circum-Caribbean.
HathiTrust Digital Library - partnership of academic & research institutions, archiving and sharing millions of digitized collections from libraries around the world.
Library Digital Collection, USGS, National Wetlands Research Center.
NOAA Institutional Repository - a digital library of scientific literature and research
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