USGS: Science Topics: algae

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS

Algae

Chlorophyll-bearing primarily aquatic nonvascular species that have no true roots, stems, or leaves; most algae are microscopic, but some species can be as large as vascular plants.

Subtopics:
Calcareous nannoplankton (1 items)
Diatoms (2 items)
Dinoflagellates (1 items)

Related topics:

Results 1 - 8 of 8 listed by similarity [list alphabetically]

Algal toxins [New Window]: Chapter of Field Manual of Wildlife Diseases on algal toxins, red tide toxins, phycotoxins, dinoflagellates, cyanobacterium, and bird mortality due to algal toxicosis.
Biological soil crusts [New Window]: Explains biological soil crusts, organism-produced soil formations commonly found in semiarid and arid environments, with special reference to their biological composition, physical characteristics, and ecological significance.
Coral mortality and African dust [New Window]: Report with mini-movie and photos on the hypothesis that the atmospheric transport of dust arising from the desertification in northern Africa led to algal infestation of corals, coral diseases, and the near extinction of associated sea urchins.
Diatoms: applications [New Window]: Use of diatoms in biostratigraphy, coastal and estuarine studies, paleoceanology, paleoliminology, earthquake studies, environmental quality and forensic studies. Includes listing of USGS diatom projects and links to other diatom websites.
Hydrologic studies in the Upper Klamath Basin, Oregon [New Window]: Overview of Klamath ecological research and links to USGS Klamath studies on ground water, nutrients, sediment oxygen demand, and fish response to water quality, sucker ecology, publications, bibliographies, and data.
National Water-Quality Assessment (NAWQA) Program: protocols for the analysis of algal samples collected [New Window]: Summary of protocols describing procedures for laboratory analysis of algae samples collected by the U.S. Geological Survey's National Water Quality Assessment Program (NAWQA). Includes full document to be downloaded in PDF format.
Paleontological analyses [New Window]: Links to USGS capabilities in paleontological analyses of fossils such as mollusks, diatoms, palynomorphs, ostracodes, calcareous nannofossils, etc. Includes descriptive information, technique, equipment, and contacts for each fossil group.
Studies and trends of selected inland lakes of the Great Lakes Cluster National Parks [New Window]: Report on the status of the biota and ecological factors of the inland lakes of the Great Lakes Cluster Parks: Indiana Dunes, Sleeping Bear Dunes,and Pictured Rocks National Lakeshores and Isle Royale and Voyageurs National Parks. (PDF file, 321 p.)

Search USGS

Alphabetical Index of Topics a b c d e f g h i j k l m n o p q r s t u v w x y z

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/science//science/science.php?term=29&type=theme
Page Contact Information: Ask USGS