Humic substances in ecosystems HSE9 Polish Chapter of the IHSS (Polskie Towarzystwo Substancji Humusowych) Wroclaw 2012 1 Edited by Jerzy Drozd, Jerzy Weber, Elzbieta Jamroz and Jakub Bekier Polish Humic Substances Society© Monograph co financed by Ministry of Science and Higher Education Republic of Poland Wroclaw, Poland 2012 2 Contents Gudrun Abbt-Braun 4 30 Years of IHSS Yona Chen, Jorge Tarchitzky 26 Humic Substances and Soil Structure: Dispersing Agents or Stabilizers? Fritz H. Frimmel, Gudrun Abbt-Braun 43 Catching the Functionality of Refractory Organic Matter (ROM) Stephen Nortcliff 59 The Importance of Humic Substances in the European Soil Protection Strategy Claire Richard, Sabrina Halladja, Christian Coelho, Ghislain Guyot, Alexandra ter 72 Halle, Abdelaziz Boulkamh Environmental Impact of Humic Substances through their Interaction with Solar Light 3 30 Years of IHSS Gudrun Abbt-Braun Secretary of IHSS, Karlsruhe Institute of Technology (KIT), Engler-Bunte-Institute, Chair of Waterchemistr; E-mail:
[email protected] The International Humic Substances Society (IHSS) was founded on September 11, 1981 in Denver, Colorado, and was officially incepted on January 1, 1982 (Fig. 1). This thirteenth anniversary marks a period of remarkable achievements. The contribution will focus on the period of the foundation, on the scientists involved and on the ongoing and current activities of today and of the future . International Humic Substances Society Figure 1. The official logo of the International Humic Substances Society. HISTORY, 16 TH TO 20 TH CENTURY The roots of the society are found at least more than two centuries ago. The beginning of the industrial revolution early in the 18th century is marked by a tremendous increase in science and technology.