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Soil biology.

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View Resource Soil Biological Communities

The Bureau of Land Management (BLM) in Idaho provides this electronic resource on soil communities. With introductory text, illustrations, and references, these pages provide a general overview of soil communities, including Biological Crusts, Fungi, Bacteria, Protozoa, Nematodes, and Arthropods. The site also introduces general readers to Soil Food Webs and Burrowing Mammals, with an emphasis on...

https://www.blm.gov/nstc/soil/index.html
View Resource Biological Soil Crusts

Biological soil crust probably isn't the first thing that springs to mind when snapping that photo of the Delicate Arch at Arches National Park. However, without the algae, mosses, cyanobacteria, and other tiny organisms that inhabit the surface of desert soils, places like Arches and other arid environments would be quite different. The US Geological Survey provides an online guide to biological...

http://www.soilcrust.org/
View Resource Frozen Soil

This Topic in Depth explores the world of frozen soil, including permafrost and tundra. The first site is provided by the Missouri Botanical Gardens Web site, entitled Tundra (1). This kids focused site does a good job of clearly explaining what tundra is, where it's located, and what types of plants and animals are found within tundra areas, as well as offering a photo gallery. The second site,...

https://scout.wisc.edu/report/nsdl/ps/2003/0124
View Resource Manure Management for Water Quality: Costs to Animal Feeding Operations of Applying Manure Nutrients to Land

This Web site contains a June 2003 report from the Economic Research Service of U.S. Department of Agriculture. The report offers a detailed analysis of livestock and poultry manure management for water quality in the U.S. The studies included in the report occur on multiple scales: 1) a farm-level analysis of "on-farm technical choice and producer costs" across the U.S., 2) a regional analysis of...

https://www.ers.usda.gov/publications/pub-details/?pubid=415...
View Resource Natural Resources Conservation Service: Soil Education

The Natural Resources Conservation Service provides an array of materials to assist people with their understanding of soils. Through an online presentation, users can learn ten key points about soil characteristics and their importance. Teachers and students can find many fun activities including soil erosion and particle size demonstrations and soil songs. The website provides a great...

https://www.nrcs.usda.gov/wps/portal/nrcs/main/soils/edu/
View Resource The Living Soil

Soil is home to vast numbers of organisms, and even small sections of earth teem with a diverse array of life. This Topic in Depth takes a closer look at the world beneath our feet through the lens of soil biologists and ecologists. The first website (1) provides information about the activities of a Natural Environment Research Council-supported research program "on the biological diversity of...

https://scout.wisc.edu/report/nsdl/ls/2005/0304#TopicInDepth