Sharp ecotones spark sharp ideas: Comment on "Structural, physiognomic and above-ground biomass variation in savanna-forest transition zones on three continents - How different are co-occurring savanna and forest formations?" by Veenendaal et al. (2015)

Biogeosciences

Volumn 12, Issue 18, 2015, Pages 5563-5566

  Staal, A ^a   Flores, B M ^a,b  

^a WAGENINGEN UNIVERSITY   (Netherlands)

^b FEDERAL UNIVERSITY OF RIO GRANDE DO NORTE   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ABOVEGROUND BIOMASS; ECOTONE; FOREST ECOSYSTEM; SAVANNA; THEORETICAL STUDY; TRANSITION ZONE;

EID: 84942811706     PISSN: 17264170     EISSN: 17264189     Source Type: Journal    
DOI: 10.5194/bg-12-5563-2015     Document Type: Article

References (41)

1. Baudena, M., Dekker, S. C., van Bodegom, P. M., Cuesta, B., Higgins, S. I., Lehsten, V., Reick, C. H., Rietkerk, M., Scheiter, S., Yin, Z., Zavala, M. A., and Brovkin, V.: Forests, savannas, and grasslands: bridging the knowledge gap between ecology and Dynamic Global Vegetation Models, Biogeosciences, 12, 1833-1848, doi:10.5194/bg-12-1833-2015, 2015.
2. Bond, W. J.: What limits trees in C4 grasslands and savannas?, Annu. Rev. Ecol. Evol. Syst., 39, 641-659, 2008.
3. Bond, W. J.: Do nutrient-poor soils inhibit development of forests? A nutrient stock analysis, Plant Soil, 334, 47-60, 2010.
4. Bowman, D. M. J. S., Perry, G. L.W., and Marston, J. B.: Feedbacks and landscape-level vegetation dynamics, Trends Ecol. Evol., 30, 255-260, 2015.
5. Certini, G.: Effects of fire on properties of forest soils: a review, Oecologia, 143, 1-10, 2005.
6. Cochrane, M. A., Alencar, A., Schulze, M. D., Souza Jr., C. M., Nepstad, D. C., Lefebvre, P., and Davidson, E. A.: Positive feedbacks in the fire dynamic of closed canopy tropical forests, Science, 284, 1832-1835, 1999.
7. Dantas, V. L., Batalha, M. A., and Pausas, J. G.: Fire drives functional thresholds on the savanna-forest transition, Ecology, 94, 2454-2463, 2013.
8. DiMiceli, C. M., Carroll, M. L., Sohlberg, R. A., Huang, C., Hansen, M. C., and Townshend, J. R. G.: Annual Global Automated MODIS Vegetation Continuous Fields (MOD44B) at 250m Spatial Resolution for Data Years Beginning Day 65, 2000-2010, Collection 5 Percent Tree Cover, University of Maryland, College Park, MD, USA, 2011.
9. Favier, C., Aleman, J., Bremond, L., Dubois, M. A., Freycon, V., and Yangakola, J. M.: Abrupt shifts in African savanna tree cover along a climatic gradient, Global Ecol. Biogeogr., 21, 787-797, 2012.
10. Fletcher, M.-S.,Wood, S.W., and Haberle, S. G.: A fire-driven shift from forest to non-forest: evidence for alternative stable states?, Ecology, 95, 2504-2513, 2014.
11. Franco, A. C., Rossatto, D. R., Silva, L. C. R., and Ferreira, C. S.: Cerrado vegetation and global change: the role of functional types, resource availability and disturbance in regulating plant community responses to rising CO2 levels and climate warming, Theoretical and Experimental Plant Physiology, 26, 19-38, 2014.
12. Grady, J. M. and Hoffmann, W. A.: Caught in a fire trap: recurring fire creates stable size equilibria in woody resprouters, Ecology, 93, 2052-2060, 2012.
13. Gray, E. F. and Bond, W. J.: Soil nutrients in an African forest/savanna mosaic: drivers or driven?, S. Afr. J. Bot., in press, 2015.
14. Higgins, S. I., Bond, W. J., February, E. C., Bronn, A., Euston-Brown, D. I. W., Enslin, B., Govender, N., Rademan, L., O'Regan, S., Potgieter, A. L. F., Scheiter, S., Sowry, R., Trollope, L., and Trollope, W. S. W.: Effects of four decades of fire manipulation on woody vegetation structure in savanna, Ecology, 88, 1119-1125, 2007.
15. Hirota, M., Holmgren, M., van Nes, E. H., and Scheffer, M.: Global resilience of tropical forest and savanna to critical transitions, Science, 334, 232-235, 2011.
16. Hoffmann, W. A. and Franco, A. C.: Comparative growth analysis of tropical forest and savanna woody plants using phylogenetically independent contrasts, J. Ecol., 91, 475-484, 2003.
17. Hoffmann, W. A., Adasme, R., Haridasan, M., Carvalho, M. T., Geiger, E. L., Pereira, M. A., Gotsch, S. G., and Franco, A. C.: Tree topkill, not mortality, governs the dynamics of savanna-forest boundaries under frequent fire in central Brazil, Ecology, 90, 1326-1337, 2009.
18. Hoffmann, W. A., Geiger, E. L., Gotsch, S. G., Rossatto, D. R., Silva, L. C. R., Lau, O. L., Haridasan, M., and Franco, A. C.: Ecological thresholds at the savanna-forest boundary: how plant traits, resources and fire govern the distribution of tropical biomes, Ecol. Lett., 15, 759-768, 2012.
19. Jackson, W. D.: Fire, air, water and earth - an elemental ecology of Tasmania, Proceedings of the Ecological Society of Australia, 3, 9-16, 1968.
20. Kauffman, J. B., Cummings, D. L., and Ward, D. E.: Relationships of fire, biomass and nutrient dynamics along a vegetation gradient in the Brazilian cerrado, J. Ecol., 82, 519-531, 1994.
21. Kauffman, J. B., Cummings, D. L., Ward, D. E., and Babbitt, R.: Fire in the Brazilian Amazon: 1. Biomass, nutrient pools, and losses in slashed primary forests, Oecologia, 104, 397-408, 1995.
22. Keeley, J. E., Pausas, J. G., Rundel, P. W., Bond, W. J., and Bradstock, R. A.: Fire as an evolutionary pressure shaping plant traits, Trends Plant Sci., 16, 406-411, 2011.
23. Lehmann, C. E. R., Anderson, T. M., Sankaran, M., Higgins, S. I., Archibald, S., Hoffmann, W. A., Hanan, N. P., Williams, R. J., Fensham, R. J., Felfili, J., Hutley, L. B., Ratnam, J., San Jose, J., Montes, R., Franklin, D., Russell-Smith, J., Ryan, C. M., Durigan, G., Hiernaux, P., Haidar, R., Bowman, D. M. J. S., and Bond, W. J.: Savanna vegetation-fire-climate relationships differ among continents, Science, 343, 548-552, 2014.
24. Moreira, A. G.: Effects of fire protection on savanna structure in central Brazil, J. Biogeogr., 27, 1021-1029, 2000.
25. Murphy, B. P. and Bowman, D. M. J. S.: What controls the distribution of tropical forest and savanna?, Ecol. Lett., 15, 748-758, 2012.
26. Paiva, A. O., Silva, L. C. R., and Haridasan, M.: Productivity-efficiency tradeoffs in tropical gallery forest-savanna transitions: linking plant and soil processes through litter input and composition, Plant Ecol., 216, 775-787, 2015.
27. Real, L. A. and Brown, J. H. (Eds.): Foundations of Ecology: Classic Papers with Commentaries, University of Chicago Press, Chicago, IL, USA, 1991.
28. Scheffer, M., Barrett, S., Carpenter, S. R., Folke, C., Green, A. J., Holmgren, M., Hughes, T. P., Kosten, S., van de Leemput, I. A., Nepstad, D. C., van Nes, E. H., Peeters, E. T. H. M., and Walker, B.: Creating a safe operating space for iconic ecosystems, Science, 347, 1317-1319, 2015.
29. Silva, L. C. R. and Anand, M.: Mechanisms of Araucaria (Atlantic) forest expansion into southern Brazilian grasslands, Ecosystems, 14, 1354-1371, 2011.
30. Silva, L. C. R., Sternberg, L., Haridasan, M., Hoffmann, W. A., Miralles-Wilhelm, F., and Franco, A. C.: Expansion of gallery forests into central Brazilian savannas, Glob. Change Biol., 14, 2108-2118, 2008.
31. Silva, L. C. R., Hoffmann, W. A., Rossatto, D. R., Haridasan, M., Franco, A. C., and Horwath, W. R.: Can savannas become forests? A coupled analysis of nutrient stocks and fire thresholds in central Brazil, Plant Soil, 373, 829-842, 2013.
32. Staal, A., Dekker, S. C., Hirota, M., and van Nes, E. H.: Synergistic effects of drought and deforestation on the resilience of the southeastern Amazon rainforest, Ecol. Complex., 22, 65-75, 2015.
33. Staver, A. C. and Levin, S. A.: Integrating theoretical climate and fire effects on savanna and forest systems, Am. Nat., 180, 211-224, 2012.
34. Staver, A. C., Archibald, S., and Levin, S.: Tree cover in sub-Saharan Africa: rainfall and fire constrain forest and savanna as alternative stable states, Ecology, 92, 1063-1072, 2011a.
35. Staver, A. C., Archibald, S., and Levin, S. A.: The global extent and determinants of savanna and forest as alternative biome states, Science, 334, 230-232, 2011b.
36. Van Nes, E. H., Hirota, M., Holmgren, M., and Scheffer, M.: Tipping points in tropical tree cover: linking theory to data, Glob. Change Biol., 20, 1016-1021, 2014.
37. Veenendaal, E. M., Torello-Raventos, M., Feldpausch, T. R., Domingues, T. F., Gerard, F., Schrodt, F., Saiz, G., Quesada, C. A., Djagbletey, G., Ford, A., Kemp, J., Marimon, B. S., Marimon-Junior, B. H., Lenza, E., Ratter, J. A., Maracahipes, L., Sasaki, D., Sonké, B., Zapfack, L., Villarroel, D., Schwarz, M., Yoko Ishida, F., Gilpin, M., Nardoto, G. B., Affum-Baffoe, K., Arroyo, L., Bloomfield, K., Ceca, G., Compaore, H., Davies, K., Diallo, A., Fyllas, N. M., Gignoux, J., Hien, F., Johnson, M., Mougin, E., Hiernaux, P., Killeen, T., Metcalfe, D., Miranda, H. S., Steininger, M., Sykora, K., Bird, M. I., Grace, J., Lewis, S., Phillips, O. L., and Lloyd, J.: Structural, physiognomic and above-ground biomass variation in savanna-forest transition zones on three continents - how different are co-occurring savanna and forest formations?, Biogeosciences, 12, 2927-2951, doi:10.5194/bg-12-2927-2015, 2015.
38. Veldman, J. W. and Putz, F. E.: Grass-dominated vegetation, not species-diverse natural savanna, replaces degraded tropical forests on the southern edge of the Amazon Basin, Bio. Conserv., 144, 1419-1429, 2011.
39. Vitousek, P. M. and Sanford, R.: Nutrient cycling in moist tropical forest, Annu. Rev. Ecol. Syst., 17, 137-167, 1986.
40. Warman, L. and Moles, A. T.: Alternative stable states in Australia's Wet Tropics: a theoretical framework for the field data and a field-case for the theory, Landscape Ecol., 24, 1-13, 2009.
41. Wood, S. W. and Bowman, D. M.: Alternative stable states and the role of fire-vegetation-soil feedbacks in the temperate wilderness of southwest Tasmania, Landscape Ecol., 27, 13-28, 2012.