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The International Union of Soil Sciences (IUSS) is the global union of soil scientists. The objectives of the IUSS are to promote all branches of soil science, and to support all soil scientists across the world in the pursuit of their activities. This website provides information for IUSS members and those interested in soil science.

IV Latin-American Congress on Environmental Physics & Chemistry

Spain May 22 to 26, 2006

The IV Latin-American Congress on Environmental Physics & Chemistry (IV CiFyQA) was held at Caceres (Extremadura, Spain) from 22nd to 26th of last May (2006) at the ‘Complejo Cultural San Francisco’ of Caceres (Extremadura). About 250 Latin American and European scientists, belonging to more than 15 countries, attended and more than 180 communications were exposed, oral or posters. A lot of public and privates organizations supported this Congress.

This Congress was structured in twelve sessions, each on with beginning with a keynote exposed by a recognized international speaker. The sessions were: I. Processes in atmospheric Physic & Chemistry; II. Water & Environment; III. Anthropic-edaphic processes & Environment; IV. Cycle and sequestration of C in Latin America; V. Biogeochemical processes & cycles; VI. Environmental processes & technologies; VII: Health & Environment; VIII. Processes in environmental protection & bioremediation; IX: Society & Environment; X. Environmental Education, didactic, extension & dissemination; XI. Green Chemistry & Environment; and XII. Humic substances & Environment); in addition, six roundtables (Environmental management, Latin-American environmental database, Environmental disasters, Sustainable environment, Energetic resources, & Environmental education) were held with the participation of experts belonging to public and private organizations. Four field excursion were realized (Nuclear power plant of Almaraz, Big dam of Alcantara, Natural Park of Mongrage, Wines caves of Almendralejo) visiting different cultural parts of Extremadura. Twelve awards remembering excellent biogeochemical scientists (e. g., Janis Skujins Award) were given at the best communications of the Congress.

The Congress finished with the General Assembly of the SiFyQA; the Minute can be downloading from the WEB page

Deliveries of the IV CiFyQA were the Proceedings (“Libro de Actas”, out of order, but it is possible to download it at the WEB page ); and the book “The Environment in Latin-America in the Beginnings of the XXI Century (ISBN: 978-84-611-0352-2; three vol.; in Spanish, with English abstracts). The list of chapters and communications is possible to download from the WEB page This last book, in three volumes, exposes the main environmental problems, which are focusing the Latin-American scientists from a Physical and Chemical point of view.

The next IV Latin-American Congress on Environmental Physics & Chemistry will be held at Argentina in 2008; news will be presented at the WEB page .

A Latin-American network on Environmental Physics & Chemistry (RiFyQA), is forming, using as base the WEB page of the SiFyQA.


President of the Organizer Committee & President of the SiFyQA