Stable forest-savanna mosaic in north-western Tanzania: Local-scale evidence from δ 13C signatures and 14C ages of soil fractions

Journal of Biogeography

Volumn 39, Issue 2, 2012, Pages 247-257

  Wiedemeier, Daniel B ^a,b   Bloesch, Urs ^a   Hagedorn, Frank ^a  

^a SWISS FEDERAL RESEARCH INSTITUTE WSL   (Switzerland)

^b UNIVERSITY OF ZURICH   (Switzerland)

Author keywords

13C; C 3 plants; C 4 plants; Dry evergreen forest; East Africa; Ecosystem dynamics; Savanna; SOM fractionation; Vegetation mosaic; Vegetation reconstruction

Indexed keywords

BIOME; C3 PLANT; C4 PLANT; EVERGREEN FOREST; FOSSIL RECORD; GRASS; HABITAT MOSAIC; HOLOCENE; PALEOBOTANY; PALEOECOLOGY; PALYNOLOGY; RADIOCARBON DATING; SAVANNA; SOIL PROFILE; SPATIOTEMPORAL ANALYSIS; SUBSOIL;

TANZANIA;

EID: 84855797310     PISSN: 03050270     EISSN: 13652699     Source Type: Journal    
DOI: 10.1111/j.1365-2699.2011.02583.x     Document Type: Article

References (49)

1. 13C signature in profiles under permanent grassland. Rapid Communications in Mass Spectrometry, 17, 2591-2596.
2. Asner, G.P., Levick, S.R., Kennedy-Bowdoin, T., Knapp, D.E., Emerson, R., Jacobson, J., Colgan, M.S. & Martin, M.E. (2009) Large-scale impacts of herbivores on the structural diversity of African savannas. Proceedings of the National Academy of Sciences USA, 106, 4947-4952.
3. 13C natural abundance. Mass spectrometry of soils (ed. by T.W. Boutton and S. Yamasaki ), pp. 83-112. Marcel-Dekker, New York.
4. Belsky, A.J. & Amundson, R.G. (1992) Effects of trees on understorey vegetation and soils at forest-savanna boundaries. Nature and dynamics of forest-savanna boundaries (ed. by P.A. Furley, J. Proctor and J.A. Ratter ), pp. 353-363. Chapman and Hall, New York.
5. Bloesch, U. (2002) The dynamics of thicket clumps in the Kagera savanna landscape, East Africa. PhD Thesis, Swiss Federal Institute of Technology, Zurich.
6. Bloesch, U. (2008) Thicket clumps: a characteristic feature of the Kagera savanna landscape, East Africa. Journal of Vegetation Science, 19, 31-44.
7. 13C values of soil organic carbon and their use in documenting change in a subtropical savanna ecosystem. Geoderma, 82, 5-41.
8. Bowman, D.M.J.S., Boggs, G.S. & Prior, L.D. (2008) Fire maintains an Acacia aneura shrubland -Triodia grassland mosaic in central Australia. Journal of Arid Environments, 72, 34-47.
9. Bronk Ramsey, C. (2001) Development of the radiocarbon program OxCal. Radiocarbon, 43, 355-363.
10. Christensen, B.T. (1992) Physical fractionation of soil and organic matter in primary particle size and density separates. Advances in Soil Science, 20, 1-90.
11. Durigan, G. & Ratter, J.A. (2006) Successional changes in cerrado and cerrado/forest ecotonal vegetation in western Sao Paulo State, Brazil, 1962-2000. Edinburgh Journal of Botany, 63, 119-130.
12. Elenga, H., Peyron, O., Bonnefille, R. et al. (2000) Pollen-based biome reconstruction for southern Europe and Africa 18, 000yr bp. Journal of Biogeography, 27, 621-634.
13. FAO (2006) World reference base for soil resources 2006. Food and Agriculture Organization, Rome.
14. Favier, C., Chave, J., Fabing, A., Schwartz, D. & Dubois, M.A. (2004) Modelling forest-savanna mosaic dynamics in man-influenced environments: effects of fire, climate and soil heterogeneity. Ecological Modelling, 171, 85-102.
15. Favilli, F., Egli, M., Cherubini, P., Sartori, G., Haeberli, W. & Delbos, E. (2008) Comparison of different methods of obtaining a resilient organic matter fraction in Alpine soils. Geoderma, 145, 355-369.
16. Fry, B. (2006) Stable isotope ecology. Springer, New York.
17. Gasse, F. (2000) Hydrological changes in the African tropics since the Last Glacial Maximum. Quaternary Science Reviews, 19, 189-211.
18. Gillson, L. (2004) Evidence of hierarchical patch dynamics in an East African savanna? Landscape Ecology, 19, 883-894.
19. Goetze, D., Horsch, B. & Porembski, S. (2006) Dynamics of forest-savanna mosaics in north-eastern Ivory Coast from 1954 to 2002. Journal of Biogeography, 33, 653-664.
20. Harris, W.V. (1971) Termites: their recognition and control. Longman, London.
21. Higgins, S.I., Shackleton, C.M. & Robinson, E.R. (1999) Changes in woody community structure and composition under contrasting landuse systems in a semi-arid savanna, South Africa. Journal of Biogeography, 26, 619-627.
22. Hoffmann, W.A., Orthen, B. & Franco, A.C. (2004) Constraints to seedling success of savanna and forest trees across the savanna-forest boundary. Oecologia, 140, 252-260.
23. Jolly, D., Prentice, I.C., Bonnefille, R. et al. (1998) Biome reconstruction from pollen and plant macrofossil data for Africa and the Arabian peninsula at 0 and 6000years. Journal of Biogeography, 25, 1007-1027.
24. Kaiser, K. & Guggenberger, G. (2007) Distribution of hydrous aluminium and iron over density fractions depends on organic matter load and ultrasonic dispersion. Geoderma, 140, 140-146.
25. Kendall, R.L. (1969) An ecological history of the Lake Victoria Basin. Ecological Monographs, 39, 121-176.
26. 2] as a driver of past and current changes in savanna tree cover. Austral Ecology, 35, 451-463.
27. Krull, E.G. & Bray, S.S. (2005) Assessment of vegetation change and landscape variability by using stable carbon isotopes of soil organic matter. Australian Journal of Botany, 53, 651-661.
28. 14C analyses of soil organic matter. Geoderma, 126, 241-259.
29. Leavitt, S.W., Follet, R.F., Kimble, J.M. & Pruessner, E.G. (2007) Radiocarbon and δ 13C depth profiles of soil organic carbon in the U.S. Great Plains: a possible spatial record of paleoenvironment and paleovegetation. Quaternary International, 162-163, 21-34.
30. Marchant, R. & Hooghiemstra, H. (2004) Rapid environmental change in African and South American tropics around 4000years before present: a review. Earth-Science Reviews, 66, 217-260.
31. Mikutta, R., Kleber, M., Kaiser, K. & Jahn, R. (2005) Review: Organic matter removal from soils using hydrogen peroxide, sodium hypochlorite, and disodium peroxodisulfate. Soil Science Society of America Journal, 69, 120-135.
32. Mistry, J. (2000) World savannas. Prentice Hall, London.
33. 13C natural abundance method. Geoderma, 138, 133-143.
34. Prior, L.D., Williams, R.J. & Bowman, J.S. (2010) Experimental evidence that fire causes a tree recruitment bottleneck in an Australian tropical savanna. Journal of Tropical Ecology, 26, 595-603.
35. Pullan, R.A. (1979) Termite hills in Africa: their characteristics and evolution. Catena, 6, 267-291.
36. Ratter, J.A. (1992) Transitions between cerrado and forest vegetation in Brazil. Nature and dynamics of forest-savanna boundaries (ed. by P.A. Furley, J. Proctor and J.A. Ratter ), pp. 417-429. Chapman and Hall, London.
37. Rethemeyer, J., Kramer, C., Gleixner, G., John, B., Yamashita, T., Flessa, H., Andersen, N., Nadeau, M.-J. & Grootes, P.M. (2005) Transformation of organic matter in agricultural soils: radiocarbon concentration versus soil depth. Geoderma, 128, 94-105.
38. Rodgers, W.A., Ludanga, R.I. & DeSuzo, H.P. (1977) Biharamulo, Burigi and Rubondo Island Game Reserves. Notes and Records, 81, 99-123.
39. Roques, K.G., O'Connor, T.G. & Watkinson, A.R. (2001) Dynamics of shrub encroachment in an African savanna: relative influences of fire, herbivory, rainfall and density dependence. Journal of Applied Ecology, 38, 268-280.
40. 13C distribution in particle-size fractions. European Journal of Soil Science, 51, 445-454.
41. Schlüter, T. (2006) Geological atlas of Africa. Springer, Berlin.
42. Schmidt, M.W.I., Rumpel, C. & Kögel-Knabner, I. (1999) Evaluation of an ultrasonic dispersion procedure to isolate primary organomineral complexes from soil. European Journal of Soil Science, 50, 87-94.
43. Scholes, R.J. & Archer, S.R. (1997) Tree-grass interactions in savannas. Annual Review of Ecology and Systematics, 28, 517-544.
44. 14C) study. Oecologia, 106, 516-524.
45. 14C data. Radiocarbon, 19, 355-363.
46. Troupin, G. (1966) Etude phytocénologique du Parc National de l'Akagera et du Rwanda Oriental: recherche d'une méthode d'analyse appropriée à la végétation d'Afrique Intertropicale. Publication No. 2, Institut National de Recherche Scientifique, Butare.
47. Vincens, A., Schwartz, D., Elenga, H., Reynaud-Farrera, I., Alexandre, A., Bertaux, J., Mariotti, A., Martin, L., Meunier, J.-D., Nguetsop, F., Servant, M., Servant-Vildary, S. & Wirrmann, D. (1999) Forest response to climate changes in Atlantic Equatorial Africa during the last 4000years bp and inheritance on the modern landscapes. Journal of Biogeography, 26, 879-885.
48. Wilding, L.P., Yao, L., Nordt, L.C., Drees, L.R., Archer, S. & Boutton, T.W. (1996) Soil, geomorphology, and vegetation relationships. La Copita Research Area consolidated progress report Texas Agricultural Experiment Station, College Station, TX.
49. 12C ratios of soil organic carbon from soils of disparate texture in Iron Range National Park, Far North Queensland, Australia. Geochimica et Cosmochimica Acta, 69, 1961-1973.