PUBLICACIONES EN LINEA 

  1. PP Schot A. Poot GA Vonk WHM Peeters (2001) A Surface Water Model for the Orinoco river basin: Technical Report 

  2. Watersheds of South America SA04 Orinoco

  3. Douglas Rodríguez-Olarte1, Donald C. Taphorn2 y Críspulo J. Marrero (2001) NOTAS SOBRE LA DISTRIBUCIÓN Y ECOLOGÍA REPRODUCTIVA DE Psectrogaster ciliata (PISCES: CURIMATIDAE) EN LA ORINOQUIA VENEZOLANA

  4. Valbo-Jorgensen, John; Lasso, Carlos A.; Blanco-Belmonte, Ligia (2000) Biomasa y densidad de peces asociados a macrofita de lagunas inundables, Cuenca del Orinoco, Venezuela

  5. Aguilera, Orangel; Rodríguez de Aguilera, Dione (2000). Una nueva especie de curvinata del género Plagioscion (Perciformes, Sciaenidae) de la cuenca del río Orinoco, Venezuela

  6. Perez Aldeima (1999) Estrategia de nidificación del Caimán crocodilus crocodilus (Baba) en Caicara del Orinoco, Estado Bolívar, Venezuela

  7. Marín Ch., Douglas; Hernández Ch.,L.; Martino, G. de (1998) Ecología de los congriales de la Estación Experimental Nicolasito (Santa Rita, Estado Guárico, Venezuela). I. Medio físico, estructura de la comunidad y microclima en épocas contrastantes = Ecology of "congriales" at the Nicolasito Experimental station (Santa Rita, Estado Guárico, Venezuela). I.Physical milieu, community structure and microclimate in contrasting seasons

  8. Hernández Ch.; Marín Ch.,D. (1998) Ecología de los congriales de la Estación Experimental Nicolasito (Santa Rita, Estado Guárico, Venezuela). II. Fenología, potencial hídrico, conductividad estomática y anatomía foliar de Sweetia nitens (Vog.) Benth. (congrio) y Caraipa llanorum Cuatrec. (Saladillo) = Ecology of "congriales" at the Nicolasito Experimental station (Santa Rita, Estado Guárico, Venezuela). II. Phenology, leaf water potential, leaf conductance and leaf anatomy of Sweetia nitens (Vog.) Benth. (congrio) y Caraipa llanorum Cuatrec. (Saladillo)

  9. Marín Ch., D.; Hernández Ch. (1998) Ecología de los congriales de la Estación Experimental Nicolasito (Santa Rita, Estado Guárico, Venezuela). I. Medio físico, estructura de la comunidad y microclima en épocas contrastantes = Ecology of "congriales" at the Nicolasito Experimental station (Santa Rita, Estado Guárico, Venezuela). I.Physical milieu, community structure

  10. Depetris y Paolini (1991) Biogeochemical Aspects of South American Rivers: The Paraná and the Orinoco

  11. Monente, José Antonio. (1997) Factores que controlan el Caudal del Orinoco

  12. Colomine, Gregory; Ramos, Santiago; Molina, César; Vásquez, Wilman. (1997) Status and Habitat Occupation of a Wild Population of Caiman crocodilus Crocodilus (Crocodylia Alligatoridae) on the Southwestern Bank of the Orinoco River, Venezuela

  13. Rosales Godoy, Judith ; Petts, Geoffrey; Salo, J. (2000) Riparian flooded forests of the Orinoco and Amazon basins: a comparative review.

  14. Lesley et al. (2000) Methane emissions from the Orinoco River floodplain, Venezuela.

  15. Lewis and Weibezahn (1976) Chemistry, energy flow, and community structure in some Venezuelan freshwaters

  16. Lewis and Weibezahn (1981) The chemistry and phytoplanckton of the Orinoco and Caroni rivers

  17. Lewis and Saunders (1984) Cross-sectional variation in the chemistry and suspended sediment load of the Orinoco River at Ciudad Bolivar

  18. Lundberg, J.G., W.M. Lewis, Jr., J.F. Saunders, III, and F. Mago-Leccia. 1987. A major food web component in the Orinoco River channel: Evidence from planktivorous electric fishes. Science 237: 81-83.

  19. Hamilton, S.K. and W.M. Lewis, Jr. 1987. Causes of seasonality in the chemistry of a lake on the Orinoco River floodplain, Venezuela. Limnology and Oceanography 32: 1277-1290.

  20. Twombly, S. and W.M. Lewis, Jr. 1987. Zooplankton abundance and species composition in Laguna la Orsinera, a Venezuelan floodplain lake. Archiv fur Hydrobiologie Supplement 79: 87-107.

  21. Lewis, W.M. Jr. 1988. Primary production in the Orinoco River. Ecology 69: 679-692.

  22. Lewis, W.M. Jr., J.F. Saunders, III and R. Dufford. 1990. Suspended organisms and biological carbon flux along the lower Orinoco River. Pp. 269-300 In: F. Weibezahn, H. Alvarez, and W.M. Lewis, Jr. (eds). The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.

  23. Lewis, W.M. Jr. and J.F. Saunders III. 1990. Chemistry and element transport of the Orinoco main stem and lower tributaries. Pp. 211-240 In: F. Weibezahn, H. Alvarez, and W.M. Lewis, Jr. (eds). The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.

  24. Twombly, S. and W.M. Lewis, Jr. 1989. Factors regulating cladoceran dynamics in a Venezuelan floodplain lake. Journal of Plankton Research 11: 317-333.

  25. Saunders, J.F. III and W.M. Lewis, Jr. 1989. Zooplankton abundance in the lower Orinoco River, Venezuela. Limnology and Oceanography 34: 397-409.

  26. Rodríguez, M.A., S.E. Richardson, and W.M. Lewis, Jr. 1990. Nocturnal behavior and aspects of the ecology of a driftwood catfish, Entomocorus gameroi (Auchenipteridae). Biotropica 22: 435-438.

  27. Lewis, W.M. Jr. and J.F. Saunders, III. 1989. Concentration and transport of dissolved and suspended substances in the Orinoco River. Biogeochemistry 7: 203-240.

  28. Meade, R.H., F.H. Weibezahn, W.M. Lewis, Jr., and D.P. Hernandez. 1990. Suspended-sediment budget for the Orinoco River. Pp. 55-80 In: F. Weibezahn, H. Alvarez, and W.M. Lewis, Jr. (eds.). The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.

  29. Lewis et al. 1990. Suspended organisms and biological carbon flux along the lower Orinoco River. Weibezahn, F., H. Alvarez, and W.M. Lewis, Jr. (eds.). 1990. The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.

  30. Hamilton, S.K., S.J. Sippel, W.M. Lewis, Jr., and J.F. Saunders, III. 1990. Zooplankton abundance and evidence for its reduction by macrophyte mats in two Orinoco floodplain lakes. Journal of Plankton Research 12: 345-363.

  31. Hamilton, S.K. and W.M. Lewis, Jr. 1990. Physical characteristics of the fringing floodplain of the Orinoco River, Venezuela. Interciencia 15: 491-500.

  32. Rodríguez, M.A. and W.M. Lewis, Jr. 1990. Diversity and species composition of fish communities of Orinoco floodplain lakes. National Geographic Research 6: 319-328.

  33. Hamilton, S.K. and W.M. Lewis, Jr. 1990. Basin morphology in relation to chemical and ecological characteristics of lakes on the Orinoco River floodplain, Venezuela. Archiv fur Hydrobiologie 119: 393-425.

  34. Lewis, W.M. Jr., F.H. Weibezahn, J.F. Saunders, III, and S.K. Hamilton. 1990. The Orinoco River as an ecological system. Interciencia 15: 346-357.

  35. Lewis, W.M. Jr., S.K. Hamilton, and J.F. Saunders, III. 1995. Rivers of Northern South America. Pp. 219-256 In: C. Cushings and K. Cummins (eds.) Ecosystems of the World: Rivers. Elsevier, NY.

  36. Hamilton, S.K., J.M. Melack, M.F. Goodchild, and W.M. Lewis, Jr. 1991. Estimation of the fractal dimension of terrain from lake size distributions. Pp. 145-163 In: P.A. Carling and G.E. Petts (eds.). Lowland Floodplain Rivers: Geomorphological Perspectives. Wiley & Sons, Ltd.

  37. Rodríguez, M.A. and W.M. Lewis, Jr. 1994. Regulation and stability in of fish assemblages of neotropical floodplain lakes. Oecologia 99: 166-180.

  38. Hamilton, S.K., W.M. Lewis, Jr., and S. Sippel. 1992. Energy sources for aquatic animals in the Orinoco River floodplain: Evidence from stable isotopes. Oecologia 89: 324-330.

  39. Hamilton, S.K. and W.M. Lewis, Jr. 1992. Stable carbon and nitrogen isotopes in algae and detritus from the Orinoco River floodplain, Venezuela. Geochimica et Cosmochimica Acta 56: 4237-4246.

  40. Lewis, W.M. Jr. 1996. Defining the riparian zone: Lessons from the regulation of wetlands. Pp. 6-14 In: S.B. Laursen (ed.). At the Water=s Edge: The Science of Riparian Forestry. Proceedings from a conference held in Duluth, MN, June 19-20, 1995. U. of Minnesota Distribution Center, Duluth, MN.

  41. Friedman, J.M., M.L. Scott, and W.M. Lewis, Jr. 1995. Restoration of riparian forest using irrigation, artificial disturbance, and natural seedfall. Environmental Management 19: 547-557.

  42. Friedman, J.M., W.R. Osterkamp, and W.M. Lewis, Jr. 1996. The role of vegetation and bedlevel fluctuations in the process of channel narrowing. Geomorphology 14: 341-351.

  43. Friedman, J.M., W.R. Osterkamp, and W.M. Lewis, Jr. 1996. Channel narrowing and vegetation development following a Great Plains flood. Ecology 77: 2167-2181.

  44. Lewis, W.M. Jr. et al. (12 authors; National Research Council). 1995. Wetlands: Characteristics and Boundaries. National Academy Press, Washington, DC. 306 p.

  45. Lewis, W.M. Jr. et al (8 authors; National Research Council). 1996. River Resource Management in the Grand Canyon. National Academy Press, Washington, DC. 226 p.

  46. Lewis, W.M. Jr. 1998. Aquatic environments of the Americas: basis for rational use and management. Proceedings of the 4th International Congress on Environmental Issues 4: 250-257.

  47. Lewis, W.M. Jr., J.M. Melack, W.H. McDowell, M. McClain, and J.E. Richey. 1999. Nitrogen yields from undisturbed watersheds in the Americas. Biogeochemistry 46: 149-162.

  48. Downing, J.A., M. McClain, R. Twilley, J.M. Melack, J. Elser, N.N. Rabalais, W.M. Lewis, Jr., R.E. Turner, J. Corredor, D. Soto, A. Yanez-Arancibia, R.W. Howarth. 1999. The impact of accelerating land-use change on the N-cycle of tropical aquatic ecosystems: current conditions and projected changes. Biogeochemistry 47: 109-148.

  49. Lewis, W.M. Jr., S.K. Hamilton, M.A. Lasi, M. Rodriguez, and J.F. Saunders, III. 2000. Ecological determinism on the Orinoco floodplain. Bioscience 50: 681-692.

  50. Lewis, W.M. Jr., S.K. Hamilton, M.A. Lasi, M. Rodriguez, and J.F. Saunders, III. 2000. Ecological determinism on the Orinoco floodplain. Bioscience 50: 681-692.

  51. Lewis, W.M., Jr., S.K. Hamilton, M.A. Lasi, M. Rodriguez, and J.F. Saunders, III. 2001. A foodweb analysis of the Orinoco floodplain based on production estimates and stable isotope data. Journal of the North American Benthological Society 20: 241-254.

  52. Lewis, W. M. Jr. 2001. Wetlands Explained. Wetland Science, Policy, and Politics in America. Oxford University Press, New York, NY.

  53. Lewis et al. 1999. Nitrogen yields from undisturbed watersheds in the Americas