Analysis of stable states in global savannas: Is the CART pulling the horse?

Global Ecology and Biogeography

Volumn 23, Issue 3, 2014, Pages 259-263

  Hanan, Niall P ^a   Tredennick, Andrew T ^b   Prihodko, Lara ^a   Bucini, Gabriela ^c   Dohn, Justin ^b  

^a SOUTH DAKOTA STATE UNIVERSITY   (United States)

^b Veterinary Dentistry and Oral Surgery   (United States)

^c UNIVERSITY OF VERMONT   (United States)

Author keywords

Alternate stable states; Remote sensing; Savanna; Tree cover; Tree grass coexistence

Indexed keywords

EID: 84893836043     PISSN: 1466822X     EISSN: 14668238     Source Type: Journal    
DOI: 10.1111/geb.12122     Document Type: Article

References (17)

1. Bond, W.J. (2008) What limits trees in C4 grasslands and savannas? Annual Review of Ecology, Evolution and Systematics, 39, 641-659.
2. Bucini, G. & Hanan, N. (2007) A continental scale analysis of tree cover in African savannas. Global Ecology and Biogeography, 16, 593-605.
3. Favier, C., Aleman, J., Bremond, L., Dubois, M.A., Freycon, V. & Yangakola, J.-M. (2012) Abrupt shifts in African savanna tree cover along a climatic gradient. Global Ecology and Biogeography, 21, 787-797.
4. Hanan, N.P., Sea, W.B., Dangelmayr, G. & Govender, N. (2008) Do fires in savannas consume woody biomass? A comment on approaches to modeling savanna dynamics. The American Naturalist, 171, 851-856.
5. Hansen, M.C., DeFries, R.S., Townshend, J.R.G., Carroll, M., Dimiceli, C. & Sohlberg, R.A. (2003) Global percent tree cover at a spatial resolution of 500 meters: first results of the MODIS vegetation continuous fields algorithm. Earth Interactions, 7(10), 1-15.
6. Hirota, M., Holmgren, M., Nes, E.H.V. & Scheffer, M. (2011) Global resilience of tropical forest and savanna to critical transitions. Science, 334, 232-235.
7. Hoffmann, W.A., Geiger, E.L., Gotsch, S.G., Rossatto, D.R., Silva, L.C.R., Lau, O.L., Haridasan, M. & Franco, A.C. (2012) Ecological thresholds at the savanna-forest boundary: how plant traits, resources and fire govern the distribution of tropical biomes. Ecology Letters, 15, 759-768.
8. Livina, V.N., Kwasniok, F. & Lenton, T.M. (2010) Potential analysis reveals changing number of climate states during the last 60K years. Climates of the Past, 6, 77-82.
9. Mitchell, T.D. & Jones, P.D. (2005) An improved method of constructing a database of monthly climate observations and associated high-resolution grids. International Journal of Climatology, 25, 693-712.
10. Murphy, B.P. & Bowman, D.M.J.S. (2012) What controls the distribution of tropical forest and savanna? Ecology Letters, 15, 748-758.
11. Ratajczak, Z. & Nippert, J.B. (2012) Comment on 'Global resilience of tropical forest and savanna to critical transitions'. Science, 336, 541, 541-c.
12. Sankaran, M., Ratnam, J. & Hanan, N. (2004) Tree-grass coexistence in savannas revisited - insights from an examination of assumptions and mechanisms invoked in existing models. Ecology Letters, 7, 480-490.
13. Sankaran, M., Hanan, N., Scholes, R.J. etal. (2005) Determinants of woody cover in African savannas. Nature, 438, 846-849.
14. Scheffer, M., Carpenter, S., Foley, J.A., Folke, C. & Walker, B. (2001) Catastrophic shifts in ecosystems. Nature, 413, 591-596.
15. Scheffer, M., Bascompte, J., Brock, W.A., Brovkin, V., Carpenter, S.R., Dakos, V., Held, H., van Nes, E.H., Rietkerk, M. & Sugihara, G. (2010) Early-warning signals for critical transitions. Nature, 461, 53-59.
16. Scheffer, M., Hirota, M., Holmgren, M., Nes, E.H.V. & Chapin, F.S. (2012) Thresholds for boreal biome transitions. Proceedings of the National Academy of Sciences USA, 109, 21384-21389.
17. Staver, A.C., Archibald, S. & Levin, S.A. (2011) The global extent and determinants of savanna and forest as alternative biome states. Science, 334, 230-232.