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Botany
The science of plants.
Subtopics:
Palynology (4 items)
Phycology (3 items)
Related topics:
Results 1 - 24 of 24 listed by similarity [list alphabetically]
Botany [New Window]
Major NBII website with links to USGS and non-USGS websites on botanical science, paleobotany, plant functions, species, applied plant science, gardening, collections and organizations, botany for kids and teachers, and references.
PDF 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.
PDF Bryophytes and lichens, small but indispensable forest dwellers [New Window]
Description of bryophytes (mosses, liverworts, and hornworts) and lichens (dual organisms of a fungus and an alga or a cyanobacterium) that are part of forest ecosystems in the Pacific Northwest with information on habitat and conservation.
Characterization of macroalgal epiphytes on Thalassia testudinum in Tampa Bay, Florida [New Window]
Identification of epiphytes (plants obtaining moisture and nutrients from the air and rain and usually living on another plant) on seaweed in Tampa Bay, Florida. Abstract of symposium presentation with photos.
Construction and installation of dendrometer bands for periodic tree-growth measurements [New Window]
Use and function of dendrometer bands to make short-term repeated measurements of tree-stem growth. Photo illustrations of procedures and equipment.
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.
Digital representation of tree species range maps from "Atlas of United States trees" by Elbert L. Little, Jr. (and other publications) [New Window]
Maps of the ranges of tree species in North America compiled by Elbert Little and others were digitized for use in USGS vegetation and climate modeling studies. Can be downloaded as ArcView shapefiles and in PDF graphic files.
Fort Collins Science Center [New Window]
Homepage of the Fort Collins Science Center in Colorado with links to programs in ecological research programs, staff directory, products library, news and events, and research features and spotlights.
Grizzly bear and black bear ecology [New Window]
Summaries of research projects on black bear and grizzly ecology and ecosystems supporting the populations and bibliography of related publications.
Historical landcover changes in the Great Lakes region [New Window]
Results of a study that provides a regional vegetation history of the Great Lakes area during the last 150 years compared to the preceding 1,000 years.
History and ecology of mangroves in the Dry Tortugas [New Window]
Fact sheet on the historic and current conditions of mangroves of Dry Tortugas National Park, a cluster of islands and coral reefs west of Key West, Florida. Mangroves and nesting frigate bird colonies are at risk to destruction by hurricanes.
Limber pine communities [New Window]
Report on status and trends of limber pine communities with references.
NPElement: A database of lichen elemental concentrations in the U.S. national parks [New Window]
Database providing concentration of heavy metals, nutrients, and trace elements in 75 species of lichens sampled in 43 national park units in 24 states.
NPLichen: A database of lichens in the U.S. national parks [New Window]
Web interface for a database of documented occurrences of lichens in units of the U. S. National Park System. The records were obtained from the scientific literature, from National Park Service reports, and from selected herbaria.
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.
Online guide to the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico [New Window]
Field guide describing the geology and paleontology of the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico.
PDF Operational guidelines for geological fieldwork in areas endemic for Coccidioidomycosis (Valley Fever) [New Window]
Report giving operational guidelines that will lower the risk of coccidioidomycosis (Valley fever) for individuals who work outdoors in areas where the disease is endemic.
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.
Sago pondweed (Potamogeton pectinatus L.): a literature review [New Window]
Literature review of sago pondweed, a submersed angiosperm that attracts waterfowl, but is also a nuisance plant that clogs irrigation systems. Includes classification, distribution, habitat, physiology, management, and economics.
Salvinia molesta, Salvinia weevil, Salvinia minima [New Window]
Life history and identification of Salvinia species, a floating, rootless tree fern and a noxious aquatic weed. Site includes posters, instructions on submitting sightings, how to subscribe to a listserv on the weed, and a bibliography.
Standardized National Vegetation Classification System [New Window]
Document on the National Vegetation Classification Standard with information on applications, background, development, characteristics, nomenclature standards, relationship to other classifications, and how to do vegetation mapping.
USGS-National Park Service (NPS) Vegetation Mapping Program [New Window]
The USGS-NPS Vegetation Mapping Program is a cooperative effort with the National Park Service (NPS) to classify, describe, and map vegetation communities in over 270 U.S. national park units with links to overview, standards, products, and applications.
Western lake catchment systems - Bear Lake region, Idaho-Utah [New Window]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.
Whitebark pine communities [New Window]
Report on status and trends of whitebark pine communities with references to related publications.


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