Chemistry and Biochemistry

NMR Database of Lignin and Cell Wall Model Components: Molecular models as determined from NMR (Nuclear Magnetic Resonance) imaging. Pesticide Properties Database: Chemical and physical properties of more than 300 pesticides listed by the common name of the active ingredients.

Food and Nutrition

Nutrient Data Laboratory: Links to about a dozen data sets prepared on food composition, nutrients, phytonutrients, and other topics.

Genetics

Maize Genome Database (MaizeGDB): Comprehensive source of information on the genetics and molecular biology of maize. SoyBase: Access to a number of soybean genetics datasets. Animal Genetic Map Data on Cattle, Swine and Sheep: Linkage maps, marker sets and other datasets from genome mapping projects for cattle, swine and sheep. GrainGenes: Compilation of molecular and phenotypic information on wheat, barley, rye, triticale and oats.

Germplasm

National Genetic Resources Program (NGRP): As part of the NGRP, the Germplasm Resources Information Network (GRIN) makes available many datasets in the— National Plant Germplasm System National Animal Germplasm Program National Microbial Germplasm Program including links to various microbial datsets including— ARS Culture Collection ARS Collection of Entomopathogenic Fungal Cultures ARS National Rhizobium Germplasm Resource Center U.S. National Fungus Collections National Invertebrate Genetic Resources Program

Natural Resources

Experimental Watersheds: Soils, vegetation, land use, hydrology, topography, climate and other data from the Walnut Gulch Experimental Watershed and Santa Rita Experimental Range, both in Arizona. Water Database: Precipitation and streamflow data from small agricultural watersheds in the United States. Soil Climate Analysis Network (SCAN) Plotter: Developed to more easily retrieve and examine the time series of USDA-NRCS SCAN locations. Soil, Plant, Atmosphere, Water Field & Pond Hydrology: Daily hydrologic budget model for agricultural fields and ponds (wetlands, lagoons, ponds and reservoirs).

Systematics (Taxonomic Classification)

Systematic Botany & Mycology Laboratory: The web site of the ARS Systematic Botany & Mycology Laboratory provides access to several of its own datasets--along with those of other organizations--on topics of plant and microbial taxonomy and collections Systematic Entomology Laboratory: The ARS Systematic Entomology Laboratory provides links to many datasets on entomological taxonomy and holdings of many entomological collections maintained by ARS, the National Museum of Natural History and other organizations. Plant Taxonomic Information of the National Germplasm Information Network (GRIN): Classification and nomenclature for plant germplasm accessions of the ARS National Plant Germplasm System and for many other economic plants worldwide.