Diversidad morfológica y funcional del grupo de productores primarios en sabanas

Interciencia

Volumn 21, Issue 4, 1996, Pages 193-202

  Medina, Ernesto ^a,b,c,d,e,f  

^a UNIVERSIDAD CENTRAL DE VENEZUELA   (Venezuela)

^b UNIVERSITY OF HOHENHEIM   (Germany)

^c GEOPHYSICAL LABORATORY   (United States)

^d UCV

^e Inst Venez de Invest Cie

^f INSTITUTO VENEZOLANO DE INVESTIGACIONES CIENTÍFICAS   (Venezuela)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0037557499     PISSN: 03781844     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (32)

1. Arias, I.; Koomen, I.; Dodd, J.C., White, R.P. y Hayman, D.S. (1991): Growth responses of mycorrhizal and non-mycorrhizal tropical forage species to different levels of soil phosphate. Plant and Soil 132: 253-260.
2. Aristeguieta, L. (1966): Flórula de la Estación Biológica de los Llanos. Bol. Soc. Ven. Cienc. Nat. 26 (110):: 228-307.
3. Belsky, A. J., Mwonga, S.M., Amundson, R.G., Duxbury, J.M. y Ali A.R. (1993): Comparative effects of isolated trees on their undercanopy environments in high-and low-rainfall savannas. J. Appl. Ecol. 30:143-155.
4. Bulla, L., Sánchez, P., Silvio, C., Maldonado, A., De Sola, R. y Lira, A. (1984): Ecosistema Sabana. En: Bases para el diseño de medidas de mitigación y control de las cuencas hidrográficas de los ríos Caris y Pao (Edo. Anzoátegui):. Vol. 1, pp. 36-125. Instituto de Zoología Tropical. Fac. de Ciencias, Universidad Central de Venezuela, Caracas.
5. Cassman, K.G.; Whitney, A.S. y Stockinger, K.R. (1980): Root growth and dry matter distribution of soybean as affected by phosphorus stress, nodulation, and nitrogen Source. Crop. Sci. 20: 239-244.
6. Crush, J.R. (1974): Plant growth responses to vesicular-arbuscular mycorrhiza. VII. Growth and nodulation of some herbage legumes. New Phytol. 73: 743-752.
7. 2 incorporation. Soil Biol. Biochem. 9: 119-123.
8. Dobereiner, J. y Day, J.M. (1975): Nitrogen fixation in the rhizosphere of tropical grasses. In: Stewart, W.D.P. (Ed.): Nitrogen fixation by free living microorganisms, pp. 39-56. IBP Series 6. Cambridge University Press.
9. Frost, P.; Medina, E.; Menaut, J.C.; Solbrig, O.T.; Swift, M. y Walker, B.H. (1986): Responses of savannas to stress and disturbance. Biology International, Spec. Issue 10. IUBS, Paris.
10. Goodland, R. y Pollard, R. (1973): The Brazilian Cerrado vegetation: a fertility gradient. J. Ecology 61: 229-224.
11. 14C in soybeans. Plant Soil 48: 243-252.
12. Hattersley, P.W. (1987): Variations in photosynthetic pathway. En: Soderstrom, T.R.; Hilu, K.W.; Campbell, C.S. y Barkworth, M.E. (eds.): Grass systematics and evolution pp. 49-64. Smithsonian Institution Press Washington D.C.
13. Huntley, B.J. (1982): Southern Afruican Savannas. En: Ecology of Tropical Savannas (Huntley, B.J. y Walker B., eds): Ecological Studies Vol. 42, pp. 101-119.
14. Huston, M. (1994): Biodiversity. Cambridge University Press. Cambridge.
15. Johnson, R.W. y Tothill, J.C. (1985): Definition and broad geographic outline of savanna lands. In: Tothill, J.C. y J. Mott, J. (eds.): Ecology and management of the world's savannas. pp. 1-13. The Australian Academy of Science. Canberra in conjunction with C.A.B., Farnham Royal, Bucks.
16. Kellman M (1979): Soil enrichment by neotropical savanna trees. Journal of Ecology 67: 565-577.
17. Lópes, A.S. y Cox, F.R. (1977): Cerrado vegetation in Brazil: an edaphic gradient. Agronomy J. 69: 828-831.
18. 2 concentration, leaf temperature and feat-air vapour pressure difference. Australian J. Biol. Sci. 24: 449-470.
19. McNaughton, S.J. (1985): Ecology of a grazing ecosystem: the Serengeti. Ecological Monographs 55: 259-294.
20. Medina, E. (1993): Mineral nutrition: tropical savannas. Progress in Botany 54: 237-253.
21. Medina, E. y Bilbao, B. (1991): Significance of nutrient relations and symbiosis for the competitive interaction between grasses and legumes in tropical savannas. In: Esser, G. y Overdieck, D. (eds.): Modern Ecology: basic and applied aspects. pp. 295-319. Elsevier Science Publ. BV, Amsterdam.
22. Medina, E. y Huber, O. (1992): The role of biodiversity in the function of savanna ecosystems. In: Solbrig, O.T.; van Emden, H.M. y van Oordt, P.G.W.J. (eds.): Biodiversity and global change. International Union of Biological Sciences, Monograph No. 8, pp. 139-158. Paris.
23. Medina, E. y Silva, J.F. (1990): Savannas of northern South America: a steady state regulated by water-fire interactions on a background of low nutrient availability. J. Biogeog. 17, 403-413.
24. Menaut, J.C.; Barbault, R.; Lavelle, P. y Lepage, M. (1985): African savannas: biological systems of humification and mineralization. In: Tothill, J.C. y Mott, J. (eds.): Ecology and management of world savannas. pp. 14-33. Aust. Acad. Sci., Canberra.
25. O'Connor, T.G. (1985): A synthesis of field experiments concerning the grass layer in the savanna regions of souhtern Africa. South African National Scientific Programmes Report No. 114. FRD, CSIR. Pretoria.
26. San José, J.J. y Medina, E. (1975): Effect of fire on organic matter production and water balance in a tropical savanna. Ecological Studies Vol. 11 (Golley F.B., Medina E., eds) pp. 251-264. Springer Verlag New York.
27. Sarmiento, G. (1984): The ecology of neotropical savannas. Harvard University Press, Cambridge
28. Susach F (1984): Caracaterización ecológica de las sabanas de un sector de los Llanos Centrales bajos de Venezuela. Tesis Doctoral. Universidad Central de Venezuela. Facultad de Cicncias. Caracas.
29. Tilman, D. (1994): Competition and biodiversity in spatially structured habitats. Ecology 75: 2-16.
30. Vareschi, V. (1966): Sobre las formas biológicas de la vegetación tropical. Bol. Soc. Ven. Cienci. Nat. 26 (110): 504-518.
31. Walker, B.H. y Noy-Meir, E. (1982): Aspects of stability and resilience of savanna ecosystems. In: Huntley, B.J. y Walker, B.H. (eds.) Ecology of Tropical Savannas. Ecological Studies, vol. 42, pp. 577-590. Springer Verlag Berlin.
32. Walter, H. (1973): Die Vegetation der Erde in öko-physiologischer Betrachtung. Band I. Die tropischen und subtropischen Zonen. VEB Gustav Fischer Verlag, Jena.