  Are Laterites Caused by the Alkaline Gut of Termites? - http://members.tripod.com/~charles_W/laterite.html
It is proposed that latisols (ultisols) are caused by the extremely alkaline midgut of humus eating termites. |
USA: Soil Survey of the State of Hawaii - http://www.ctahr.hawaii.edu/soilsurvey/soils.htm
Soil maps and details for all Hawaiian islands. |
Israel: Soils of Israel - http://cals.arizona.edu/OALS/soils/israeli.html
A set of images to illustrate the soils of the arid part of Israel. Includes a description list of the soil groups in English and Hebrew. Also available is a conversion table from Dan's to both the USDA and FAO classification systems. |
Advanced Soil Genesis: Soil Morphology and Classification - http://ag.arizona.edu/classes/swes541/Lectures/swes541_1_basic_concepts_2.pdf
A short introduction to soil morphology (description) and a presentation of the 12 soil orders (US) and their genesis. University of Arizona, Soil, Water and Environmental Science, Craig Rasmussen. |
USA: NRCS Soil classification - http://soils.usda.gov/technical/classification/
Comprehensive resources on USDA soil classification system: key to soil taxonomy (english/spanish), soil series description and database, discussion forum. |
World Soil Resources Map Index - http://soils.usda.gov/use/worldsoils/mapindex/
A collection of thematic world soil resources maps: geography, biomes, physical properties, biochemistry, threats and stresses. USDA, Natural Resources Conservation Service |
USA: Distribution Maps of Dominant Soil Orders - http://soils.usda.gov/technical/classification/orders/
Maps showing U.S. land area in different soil orders. |
USA: NRCS Soils Gallery - http://soils.usda.gov/gallery/
Contains representative pictures of soil orders plus profile and landscape pictures of more specific soils. |
World Soil Resources - http://soils.usda.gov/use/worldsoils/
Information, educational resources, documents and list of institutions about World Soil Resources. USDA, Natural Resources Conservation Service. |
USA: NRCS Soil Survey - http://soils.usda.gov/survey/
Lists soil surveys, survey programs, soil survey technology, standards, data and references. |
Soil Micromorphology - https://www.soils.org/divisions/s09/micromorph/
Sites of interest, books and events related to soil observation at the microscopic scale. Soil Science Society of America, Soil mineralogy div (S9) |
Soil Morphology & Micromorphology (IUSS Commission) - http://www.agry.purdue.edu/pedology/iuss/
International Union of Soil Science Commission 1.1, Soil Morphology and Micromorphology. Newsletter, meeting and announcement. |
A Compendium of On-Line Soil Survey Information - http://www.itc.nl/~rossiter/research/rsrch_ss.html
A collection of links and information on soil classification systems: Institutes, classifications and methods, databases, and learning resources. (by D G Rossiter) |
Australia: Soil Maps of Tasmania (DPIW) - http://www.dpiw.tas.gov.au/inter.nsf/WebPages/EGIL-53E2YX?open
Small scale (1/100000) reconnaissance soil maps of Tasmania. Pdf files of the map are available for 11 area. |
Soil geography and geostatistics - Concepts and Applications - http://eusoils.jrc.it/ESDB_Archive/eusoils_docs/other/EUR23290.pdf
A comprehensive book on the application of geostatistics and spatial analysis to soils. European Commission, Joint Research Centre, European Soil Portal. |
Ireland: Soil Maps of Ireland - http://eusoils.jrc.it/esdb_archive/EuDASM/lists/ireland.htm
A collection of maps. |
Australian Soil Resource Information System (ASRIS) - http://www.asris.csiro.au
Interactive soil maps and information on soil resources in Australia, from national to local (soil profile) scale. |
Australian Soil Classification: An Interactive Key - http://www.publish.csiro.au/nid/18/pid/2653.htm
Gives details of a CD-ROM of this name, a reference tool that allows the purchaser to allocate soil profiles to any level of the official Australian Soil Classification. |
Australia: The Australian Soil Classification - http://www.clw.csiro.au/aclep/asc/asc.htm
Explains classification schemes in general. Detailed description of australian soil types with glossary and references. Based on a book by the CSIRO. |
Classification Procedures for Expansive Soils - http://www2.env.uea.ac.uk/gmmc/env/env-2e1y/ice/GT_2000_04f.pdf
Article by A Sridharan and K Prakash discussing how best to set about classifying expansive soils, as the use of standard methods of classification result in distress to the structures founded on them. |
World Reference Base for soil resources - http://www.fao.org/ag/agl/agll/wrb/default.stm
The WRB project is an international soil classification framework (FAO, IUSS, ISRIC): Reference documents, world soil atlas, classification key, news and forum. |
World Reference Base, Map of World Soil Resources - http://www.fao.org/ag/agl/agll/wrb/soilres.stm
Map, information and legend of the World Soil Resources. 1:25.000.000 scale, with image and georeferenced vector formats, FAO/AGL 2003. |
World Reference Base for soil resources (2006, 2nd ed.) - http://www.fao.org/AG/AGL/agll/wrb/doc/wrb2006final.pdf
The WRB is an international soil classification framework (FAO, IUSS, ISRIC): diagnostic, key and definitions of the reference soil groups. |
World: Lecture notes on the major soils of the world - http://www.fao.org/DOCREP/003/Y1899E/Y1899E00.HTM
Description, characteristics, geography, landforms and genesis of the 30 Reference Soil Groups (WRB), grouped in 10 sets |
Canada: Soils of Canada - http://web.unbc.ca/~soc/
A collection of soil profiles representing the twenty Great Groups in the Canadian System of Soil Classification. Includes descriptions of soils and plants of Sub-Boreal Spruce Zone and the Engelmann Spruce-Subalpine Fir Biogeoclimatic Zone. Many pictures. |
Dedcoastland - http://medcoastland.iamb.it
The Mediterranean scientific network research on soil degradation and conservation, land use, desertification and erosion. |
USA: Classifying Soils Using Soil Taxonomy: The Twelve Soil Orders - http://www.soils.umn.edu/academics/classes/soil2125/doc/s5chp2.htm
Brief definitions and pictures of the US 12 soil orders .University of Minnesota, Soil, Water and Climate department. |
USA: Washington State Soils - http://remotesens.css.wsu.edu/washingtonsoil/index.htm
Interactive maps and pictures. |
USA: The Soils of Pennsylvania - http://agguide.agronomy.psu.edu/CM/Sec1/sec11a.htm
Maps and description. |
Soil Survey Photography - ftp://ftp-fc.sc.egov.usda.gov/NSSC/Photography/phtgrphy.ppt
Principles and Techniques is a presentation on Soil Survey photography. [PowerPoint Presentation] |
USA: NRCS Soils Data Mart - http://soildatamart.nrcs.usda.gov/
Data and other resources on soils, soil taxonomy, and U.S. soil surveys. |
USA: NRCS Soil Survey Guides and References - http://www.mo10.nrcs.usda.gov/references/
A collection of on-line guidebook for soil survey in the US (and elsewhere), including the "Soil Survey Manual". |
USA: Web Soil Survey (USDA, NRCS) - http://websoilsurvey.nrcs.usda.gov
Interactive soil maps and soil information in United States (data from National Cooperative Soil Survey). |
World: Global Soil Regions - http://www.nrcs.usda.gov/technical/worldsoils/mapindex/
Map showing world wide distribution of soil types. |
USA: Soil Survey Information for Massachusetts and New England - http://nesoil.com/index.html
Featuring soil information, ground penetrating radar, GIS, and soil profile photos. |
Canada: The Canadian Soil Classification System - http://www.environment.ualberta.ca/SoilsERM/class.html
A short introduction to the Canadian soil classification system: Classification principles, mains soil orders and simplified key to soil order (University of Alberta) |
Europe: Soil profiles of Europe - http://www.soilscience.uni-goettingen.de/en/soilsidx.html
Pictures and descriptions of common soil types found in Central Europe. |
Icelandic Soils - http://www.rala.is/desert/2-1.html
Map and short description of Iceland seven main soil types. ( Agricultural Research Institute of Iceland) |
Sweden: MarkInfo - http://www-markinfo.slu.se
Information and maps on Swedish forest soils, their morphological and chemical properties. Swedish University of Agricultural Sciences and Swedish Environmental Protection Agency. |
Texture AutoLookup - http://www.agri.upm.edu.my/~chris/tal/
TAL is a group of programs to determine soil texture classes based on major soil classification schemes (USDA, UK, Canada, International and others). |
New Zealand: Major Soils of Tuapaka Farm - http://soils-earth.massey.ac.nz/tuapaka/tuapaka.htm
Information, soil characterization and description and soil use. From Massey University. Photos. |
Swedish National Survey of Forest Soils and Vegetation - http://www-sml.slu.se/sk/skeng.htm
A long term inventory of permanent sample plots of the Swedish National Forest. Short English summary, the details are in Swedish. |
South Africa: Agricultural Geo-referenced Information System - Soils - http://www.agis.agric.za/agisweb/$WEB_HOME?MIval=soils.html
Soil surveys, soil classification and dynamic maps for South-Africa. ARC Institute for Soil, Climate and Water/AGIS. |
New Zealand Soils Portal - http://soils.landcareresearch.co.nz/contents/index.aspx
Provides access to Nationally Significant Soils Databases, but also a wealth of explanatory information about current and historical soil naming schemes used in New Zealand. |
World Soil Survey Archive and Catalogue (WOSSAC) - http://www.wossac.com
Collection of (paper) soil maps, reports and imagery established by British soil scientists in various countries. |
UK: LandIS - Land Information System - http://www.landis.org.uk
Provide site reports, GIS datasets and a free "Interactive Soilscapes Viewer" for UK soils National Soil Resource Institute, Cranfield University). |
Russia: Soil Map of Russia/FAO soil types - http://www.iiasa.ac.at/Research/FOR/russia_cd/soil_cor.htm
Table correlating the Soil Map of Russia's soil type with FAO World Reference Base (Land Ressources of Russia) |
Digital Soil Mapping working group (IUSS) - http://digitalsoilmapping.org
News, conferences and tools related to Digital Soil Mapping. International Union of Soil Sciences, Soil geography (1.2) and Pedometrics (1.5) commissions. |
USA: The Twelve Soil Orders - http://soils.ag.uidaho.edu/soilorders/
This system for classifying soils is one of the most widely used soil classification systems in the world. Collection of information and images to illustrate the distribution, properties, ecological significance, and use of these 12 soil orders. |
Canada: Soils of Canada - http://sis.agr.gc.ca/cansis/nsdb/slc/webmap.html
Online maps. |
Canada: Soil surveys of Ontario - http://sis.agr.gc.ca/cansis/publications/on/index.html
List of surveys and maps. |
Canada: Soils of New Brunswick - http://sis.agr.gc.ca/cansis/publications/nb/index.html
Soil surveys and maps from CanSIS. |
Bulk Density Determination - http://www.geology.iupui.edu/research/SoilsLab/procedures/bulk/Index.htm
Detailed description to determine the bulk density of soil. |
Italian National Center for Soil Mapping - http://www.soilmaps.it/
Description of activities and services. (English side under development) |
Pedometrics - http://www.pedometrics.org/
Newsletter, conferences, jobs and articles related to the mathematical and statistical measurement of soil distribution and genesis (Commission 1.5, International Union of Soil Sciences). |
Canada: National Soil Database (NSDB) - http://sis.agr.gc.ca/cansis/nsdb/intro.html
Soil surveys, land inventory, soil landscapes, agroecological resource areas, land potential and ecosystems maps at various scales in Canada. Agriculture and Agri-Food Canada (AAFC). |
UK: United Kingdom soil classification system - http://www.soilsworldwide.net/index.php/United_Kingdom_soil_classification_system
A short introduction to UK soil classification system. Soil characteristics and soil classes. SoilsWorldwide (National Soil Resources Institute, Cranfield University) |
World: European Digital Archive on Soil Maps of the World - http://eusoils.jrc.ec.europa.eu/library/maps/country_maps/list_countries.cfm
Aims to provide and preserve soil maps from all over the world. Information about and access to scanned maps and publications available online. EU Joint Research Centre |
European Soil Portal - http://eusoils.jrc.ec.europa.eu/
European soil related databases, maps, documents, publications, projects, news and mailing-list at the European Commission, Joint Research Centre. |
Canadian Soil Information System - http://sis.agr.gc.ca/cansis/intro.html
Information on soil surveys and analysis but also on the Environmental Sustainablility of Canadian Agriculture. |
World: GlobalSoilMap - http://www.globalsoilmap.net/
A international project of fine-resolution world soil map (and derived information), using existing datasets and state-of the art mapping technologies. |
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