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The Center for North American Herpetology serves as a data bank for information about North American amphibians, turtles, reptiles, and crocodilians, and promotes the study and conservation of them by financial support of selected publications, photography, and any other appropriate medium, as well as the establishment of awards for excellence in research about these fascinating creatures. The herpetofauna in the United States and Canada consists of approximately 590 species. However, new advances ... [Information of the supplier]
Discipline based portals and link collectionsResource type
http://www.cnah.org/
CASA is a multi-national, web-based project with the goal of increasing the quality and quantity of research on the reproductive biology and natural history of birds in the Americas. CASA aims to encourage the study of nesting biology by disseminating information, identifying gaps in our knowledge, and bringing together collaborators from across the Americas who work with, study, or simply just love birds. CASA began with a focus on birds nesting on mainland Ecuador (Natural History of Ecuador's ... [Information of the supplier]
Discipline based websitesResource type
http://avesamericanas.lifedesks.org/
The Consortium of North American Bryophyte Herbaria (CNABH) was created to serve as a gateway to distributed data resources of interest to the taxonomic and environmental research community in North America. Through a common web interface, we offer tools to locate, access and work with a variety of data, starting with searching databased herbarium records. The CNABH data portal is more than just a web site - it is a suite of data access technologies and a distributed network of universities, museums ... [Information of the supplier]
Factual databases; Picture databasesResource type
http://www.bryophyteportal.org/portal/
The Consortium of North American Lichen Herbaria (CNALH) was created to serve as a gateway to distributed data resources of interest to the taxonomic and environmental research community in North America. Through a common web interface, we offer tools to locate, access and work with a variety of data, such as keying to species. The CNALH data portal is more than just a web site - it is a suite of data access technologies and a distributed network of universities, botanical gardens, museums and agencies ... [Information of the supplier]
Factual databases; Picture databasesResource type
http://www.lichenportal.org/portal/
This website contains more than 530 illustrations of Carex species created by Harry Charles Creutzburg for Kenneth Kent Mackenzie's (1940) North American Cariceae, two volumes edited by Harold William Rickett and published by the New York Botanical Garden. [Information of the supplier, modified]
Discipline based websitesResource type
http://botany.csdl.tamu.edu/FLORA/carex/carexout.htm
Welcome to Desert Ecology, where you can learn about desert environments, the adaptations of desert organisms, ecological processes, and impacts of humans on desert environments. [Information of the supplier]
Discipline based websitesResource type
http://www.biology.ed.ac.uk/research/groups/jdeacon/desertecology/
Maps of the ranges of tree species in North America compiled by Elbert Little, of the U.S. Department of Agriculture, Forest Service, and others (see references below) were digitized for use in USGS' vegetation-climate modeling studies. These digital map files are available here for download. The maps are available in ArcView® shapefile format. Geographic ranges are represented as polygons. There is one shapefile (with associated data files) for each tree species. At present, not all of the maps ... [Information of the supplier]
Discipline based websitesResource type
http://esp.cr.usgs.gov/data/little/
This website provides an alphabetical listing of North American dipterists. It is assembled by the North American Dipterists Society (NADS). [Editorial staff vifabio]
Other reference worksResource type
http://www.nadsdiptera.org/Directory/Directhome.htm
Discover Life provides free on-line tools to identify species, share ways to teach and study nature's wonders, report findings, build maps, process images, and contribute to and learn from an encyclopedia of life that now contains 278,487 species. [Information of the supplier]
Identification keys; Discipline based portals and link collectionsResource type
http://www.discoverlife.org/
DUCKDATA provides a comprehensive bibliography of published literature on the ecology, conservation, and management of North American waterfowl and their wetland habitats. The primary objective of DUCKDATA is to provide access to the extensive literature concerning North American waterfowl, including references emphasizing wetlands but having implications for waterfowl ecology, conservation, and management. DUCKDATA also includes selected authoritative references on wetland ecosystems to provide ... [Information of the supplier]
Literature databasesResource type
http://www.pwrc.usgs.gov/rwp/database_descriptions.htm#DUCKDATA
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