DFG SPP 1090DFG SPP 1090

Activities 2000 - 2006

Activities 2000 - 2001

Twenty-eight projects are funded and started in summer 2000

WG 1: Interaction of organic matter with the mineral matrix (coordinated by G. Guggenberger)

WG 2: Recalcitrant organic materials and their contribution to stabilized organic matter(coordinated by B. Marschner)

WG 3: Compartments – Microhabitats(coordinated by V. Wolters/K. Ekschmitt)

WG 4: Pools – Turnover – Modelling(coordinated by H. Flessa)

Samplings in 2000 and 2001- Forest sites: Waldstein, Steinkreuz

(coordinated by E. Matzner/ K. Kalbitz)- Agricultural sites: Halle, Bad Lauchstädt

(coordinated by W. Merbach)

Four working groups were established

Poster session at the biannual meeting of the German Soil Science Society in Vienna, September 200124 poster contributions

2nd annual meeting, Leucorea, Wittenberg. October 2001 Keynote speakers: - M. Gerzabek, Wien- C. Chenu, INRA Versailles- A. Smucker, Michigan State University - P. Smith, University of Aberdeen

First annual meeting at Schloss Hohenkammer, near Munich. October 2000.- Establishment of a web-page, which gives information on analytical

techniques/methods, sample types and materials used by different groups, turnover rates and their measurement

- Group reports

Activities 2000 - 2001

3rd annual meeting in Hannover, February 2003 reports of the working groups, poster presentations

Start of the integration project, March 2003

SPP-workshop: modeling the C dynamics of agricultural soils. Halle/Saale, August 2003

Activities 2003

Integrating thematic sessions: conceptual model establishment of a ‘common value’ for turnover estimates inert C-pool newsletter 7

Biannual meeting of the German Soil Science Society in Frankfurt/Oder September 2003 about 20 SPP contributions2 poster prices (Comm. I, VII)

Edition of the Geoderma Special Issue, Vol. 128, 2005Selected publications of the international conference‚Mechanisms and regulation of organic matter stabilization in soils’ Schloss Hohenkammer near Munich, 5.-8.October 2003.13 manuscripts, 10 SPP-manuscriptsGuest-Editors: I. Kögel-Knabner, M. v. Lützow, G. Guggenberger,

H. Flessa, B. Marschner, E. Matzner, K. Ekschmitt

International SOM-Conference October 2003, Schloss Hohenkammer near Munich

Activities 2003 - 2005

‘Mechanisms and Regulation of Organic Matter Stabilization in Soils’ about 150 participants

1. Soil structure and management: a review • Review articleBronick, C.J.; Lal, R.

2. The role of plants and land management in sequestering soil carbon in temperate arable and grassland ecosystems • ArticleRees, R.M.; Bingham, I.J.; Baddeley, J.A.; Watson, C.A.^^

3. Strategies used by soil biota to overcome soil organic matter stability - why is dead organic matter left over in the soil? • ArticleEkschmitt, K.; Liu, M.; Vetter, S.; Fox, O.; Wolters, V.

4. Storage of organic carbon in aggregate and density fractions of silty soils under different types of land use • ArticleJohn, B.; Yamashita, T.; Ludwig, B.; Flessa, H.

5. Soil wettability, aggregate stability, and the decomposition of soil organic matter • ArticleGoebel, M.O.; Bachmann, J.; Woche, S.K.; Fischer, W.R.

6. Stability and composition of different soluble soil organic matter fractions-evidence from 13C and FTIR signatures • ArticleEllerbrock, R.H.; Kaiser, M.

7. On digital soil mapping • ArticleMcBratney, A.B.; Mendonca Santos, M.L.; Minasny, B.

8. Transformation of organic matter in agricultural soils: radiocarbon concentration versus soil depth • ArticleRethemeyer, J.; Kramer, C.; Gleixner, G.; John, B.; Yamashita, T.; Flessa, H.; Andersen, N.; Nadeau, M.J.; Grootes, P.M.

9. Principal component analysis as a tool to indicate the origin of potentially toxic elements in soils • ArticleBoruvka, L.; Vacek, O.; Jehlicka, J.

10. Microbial influence on metal mobility and application for bioremediation • ArticleGadd, G.M.

11. Soil carbon sequestration to mitigate climate change • Review articleLal, R.

12. Analysing the space-time distribution of soil water storage of a forest ecosystem using spatio-temporal kriging • Article

13. Morphological and chemical properties of black carbon in physical soil fractions as revealed by scanning electron microscopy and energy-dispersive X-ray spectroscopy • ArticleBrodowski, S.; Amelung, W.; Haumaier, L.; Abetz, C.; Zech, W.

14. Influence of humic substances on phosphate adsorption byaluminium and iron oxides • Article Borggaard, O.K.; Raben-Lange, B.; Gimsing, A.L.; Strobel, B.W.

15. A molecular method to evaluate basidiomycete laccase gene expression in forest soils • Article Luis, P.; Kellner, H.; Martin, F.; Buscot, F.

16. Priming effects in soils after combined and repeated substrate additions • Article Hamer, U.; Marschner, B.

17. Carbon-13 natural abundance as a tool to study the dynamics of lignin monomers in soil: an appraisal at the Closeaux experimental field (France) • Article Dignac, M.F.; Bahri, H.; Rumpel, C.; Rasse, D.P.; Bardoux, G.; Balesdent, J.; Girardin, C.; Chenu, C.; Mariotti, A.

18. Digital terron mapping • Article Carre, F.; McBratney, A.B.

19. Functional characterization of soil organic matter fractions different in solubility originating from a long-term field experiment • ArticleKaiser, M.; Ellerbrock, R.H.

20. Exploring the spatial relations between soil physical properties and apparent electrical conductivity • Article Carroll, Z.L.; Oliver, M.A.

21. Effects of biofertilizer containing N-fixer, P and K solubilizers and AM fungi on maize growth: a greenhouse trial • ArticleWu, S.C.; Cao, Z.H.; Li, Z.G.; Cheung, K.C.; Wong, M.H.

22. Modelling Al competition for heavy metal binding by dissolved organic matter in soil and surface waters of acid and neutral pH • ArticleTipping, E.

23. Role of assisted natural remediation in environmental cleanup • ArticleAdriano, D.C.; Wenzel, W.W.; Vangronsveld, J.; Bolan, N.S.

24. Initial characterization of processes of soil carbon stabilization using forest stand-level radiocarbon enrichment • Article Swanston, C.W.; Torn, M.S.; Hanson, P.J.; Southon, J.R.; Garten, C.T.; Hanlon, E.M.; Ganio, L.

25. Effects of sand and litter availability on organic matter decomposition in soil and in casts of Lumbricus terrestris L. • ArticleMarhan, S.; Scheu, S.

TOP25 articles Geoderma/20.2.06Number of downloads in a three-month period

Activities 2000 - 2006

Second Conference on Mechanisms of Soil Organic Matter Stabilization, October 2005 near Monterey, CA, USA

‚Das Klima aus dem Untergrund‘I. Kögel-Knabner und M. v. Lützow

Final colloquium of the SPP 1090 at Schloss Thurnau near Bayreuth, March 2006 with invited international experts

organized by Phil Sollins 4 oral SPP presentations, 13 SPP posters

Presentation of the SPP within the DFG-magazine ‚forschung‘ 3-4/2005

EUROSOIL Conference in Freiburg September 2004

4th annual meeting in Hannover, February 2005

about 13 SPP contributions (9 oral presentations, 4 posters)

European Geosciences Union, Vienna, 2. - 7. April 2006

Oral Symposium Commission 2.2 Soil Chemistry: Soil organic matter stabilization and C sequestrationConvenor: A. Piccolo, ItalyCo-convenor: I. Kögel-Knabner, Germany, A. Smucker, USA

Edition of the final SPP report as a special issue of Plant Nutrition and Soil Science

DFG - SPP 1090 Future activities

Identification and characterization of the stable C pool(s) in soils (SSS24)Convenor: I. Kögel-Knabner, Germany and M. Gerzabek, Austria

Symposium at the World Congress of the Soil Science Society, 5.-15. Juni 2006 in Philadelphia, USA

More than 120 publications in scientific journals

About 15 PhD theses

About 120 contributions to SOM Conferences

Activities 2000 - 2006

Two postdoctoral lecture qualifications

All participants in the SPP

DFG for financial support

Acknowledgements

The review panel