Changes in soil properties and vegetation characteristics along a forest-savanna gradient in southern Venezuela

Forest Ecology and Management

Volumn 200, Issue 1-3, 2004, Pages 183-193

  Dezzeo, Nelda ^a   Chacón, Noemí ^a   Sanoja, Elio ^b   Picón, Gabriel ^c  

^a INSTITUTO VENEZOLANO DE INVESTIGACIONES CIENTÍFICAS   (Venezuela)

^b UNIVERSIDAD NACIONAL EXPERIMENTAL DE GUAYANA   (Venezuela)

^c Puerto Ordaz Venezuela ^*  (Venezuela)

Author keywords

Forest degradation; Forest disturbance; Forest fires; Organic litter; Root litter; Root mass; Savannization; Secondary forest; Soil nutrient pools; Tropical forest

Indexed keywords

BUSH VEGETATION; FOREST-SAVANA GRADIENTS;

COMPOSITION; IRON OXIDES; MINERALOGY; PLANTS (BOTANY); SOILS; VEGETATION;

FORESTRY;

COMMUNITY STRUCTURE; ENVIRONMENTAL GRADIENT; FIRE; ORGANIC MATTER; PLANT COMMUNITY; SAVANNA; SOIL PROPERTY; TROPICAL FOREST; VEGETATION COVER;

CHEMICAL COMPOSITION; FORESTATION; INORGANIC ACIDS; IRON; SOIL; TREES;

BOLIVAR [VENEZUELA]; GRAN SABANA; SOUTH AMERICA; VENEZUELA;

EID: 4544249940     PISSN: 03781127     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.foreco.2004.06.016     Document Type: Article

References (46)

1. P. Berry, B. Holst, and K. Yatskievych Introduction J.A. Steyermark P. Berry B. Holst Flora of the Venezuelan Guayana vol. 1 1995 Missouri Botanical Garden USA xv xx
2. L.M. Coutinho Ecological effects of fire in Brazilian Cerrado B.J. Huntley B.H. Walker Ecology of Tropical Savannas. Ecological Studies vol. 42 1982 Springer-Verlag Berlin, Germany 273 291
3. A. Cronquist An Integrated System of Classification of Flowering Plants 1981 Columbia University Press New York
4. J. Curtis, and R. McIntosh An upland forest continuum in the prairie-forest border region of Wisconsin Ecology 32 1951 476 496
5. E. Cuevas, and E. Medina Nutrient dynamics within Amazonian forests II. Fine root growth, nutrient availability, and leaf litter decomposition Oecologia 76 1988 222 235
6. B.E. Davies Loss on ignition as an estimate of soil organic matter Soil Sci. Soc. Am. Proc. 38 1974 150 151
7. P.R. Day Particle fractionation and particle size analysis C.A. Black Methods of Soils Analysis Part 1. Agronomy vol. 9 1965 545 567
8. N. Dezzeo, and H. Fölster Los suelos N. Dezzeo Ecología de la altiplanicie de la Gran Sabana (Guayana Venezolana) I. Investigaciones sobre la dinámica bosque-sabana en el sector SE: subcuencas de los ríos Yuruaní vol. 4 1994 Arabopó y Alto Kukenán Scientia Guaianae 45 78
9. N. Dezzeo, and O. Huber Tipos de bosque sobre el Cerro Duida, Guayana Venezolana S.P. Churchill H. Balslev E. Forero J. Luteyn Biodiversity and Conservation of Neotropical Montane Forests 1995 New York Botanical Garden Bronx, NY, USA 149 158
10. N. Dezzeo, L. Hernández, and H. Fölster Canopy dieback in humid premontane forests of Alto Urimán, Venezuelan Guayana Plant Ecol. 132 1997 197 209
11. J. Ewel, C. Berish, B. Brown, N. Price, and J. Raich Slash and burn impacts on a Costa Rican wet forest site Ecology 62 1981 816 829
12. H. Fölster Forest-savanna dynamics and desertification processes in the Gran Sabana Interciencia 11 1986 311 316
13. H. Fölster Holocene autochthonous forest degradation in southeast Venezuela J.G. Goldammer Tropical Forests in Transition 1992 Birkhäuser-Verlag Berlin, Germany 25 44
14. H. Fölster Stability of forest ecosystems in the humid tropics Interciencia 19 1994 291 296
15. H. Fölster, and N. Dezzeo La degradación de la vegetación N. Dezzeo Ecología de la altiplanicie de la Gran Sabana (Guayana Venezolana) I. Investigaciones sobre la dinámica bosque-sabana en el sector SE: subcuencas de los ríos Yuruaní vol. 4 1994 Arabopó y Alto Kukenán Scientia Guaianae 145 186
16. H. Fölster, N. Dezzeo, and J.A. Priess Soil-vegetation relationship in base-deficient premontane moist forest-savanna mosaics of the Venezuelan Guayana Geoderma 104 2001 95 113
17. Galán, C., 1984. La protección de la cuenca del Río Caroní. CVG-EDELCA C.A., División de Cuencas e Hidrología, Caracas, 52 pp.
18. Galán, C., 1984. Memoria explicativa del mapa de zonas bioclimáticas de la cuenca del Río Caroní. CVG-EDELCA C.A., División de Cuencas e Hidrología, Caracas, 74 pp.
19. A.H. Gentry Patterns of diversity and floristic composition in neotropical montane forest S.P. Churchill H. Balslev E. Forero J. Luteyn Biodiversity and conservation of neotropical montane forests 1995 New York Botanical Garden Bronx, NY, USA 103 126
20. G. Giovannini, S. Lucchesi, and M. Giachetti Effect of heating on some physical and chemical parameters related to soil aggregation and erodability Soil Sci. 146 1988 255 261
21. Hernández, L., 1992. Gliederung, Struktur und floristische Zusammensetzung von Wäldern und ihre Degradations und Regradationsphasen im Guayana, Hochland, Venezuela. Göttinger Beiträge zur Land-und Forstwirtschaft der Tropen und Subtropen, vol. 70. Erich Goltze, Göttingen.
22. L. Hernández Clima, hidrografía e hidrología N. Dezzeo Ecología de la altiplanicie de la Gran Sabana (Guayana Venezolana) I. Investigaciones sobre la dinámica bosque-sabana en el sector SE: subcuencas de los ríos Yuruaní vol. 4 1994 Arabopó y Alto Kukenán Scientia Guaianae 25 44
23. L. Hernández Caracterización florística de los bosques L. Hernández Ecología de la altiplanicie de la Gran Sabana (Guayana Venezolana) II. Scientia Guaianae vol. 9 1999 53 83
24. R. Herrera, C.F. Jordan, H. Klinge, and E. Medina Amazon ecosystems: their structure and functioning with particular emphasis on nutrients Interciencia 3 1978 223 232
25. O. Huber Recent advances in the phytogeography of the Guayana Region, South America Mém. Soc. Biogéogr. IV 3 1994 53 63
26. O. Huber Vegetation J.A. Steyermark P. Berry B. Holst Flora of the Venezuelan Guayana vol. 1 1995 Missouri Botanical Garden USA 97 160
27. M.L. Jackson Análisis químico de suelos third ed. 1976 Editorial Omega Barcelona
28. H. Klinge, and R. Herrera Biomass studies in Amazon Caatinga forest in southern Venezuela 1. Standing crop of composite root mass in selected stand Tropical Ecol. 79 1978 93 110
29. J. Mackensen, M. Tillery-Stevens, R. Klinge, and H. Fölster Site parameters, species composition, phytomass structure and element stores of a terra-firme forest in east-Amazonia, Brazil Plant Ecol. 151 2000 101 119
30. A.E. Magurran Ecological Diversity and its Measurement 1988 Princeton University Press Princeton, NJ
31. L.M. Marafa, and K.C. Chau Morphological and chemical properties of soils along a vegetation gradient affected by fire in Hong Kong Soil Sci. 164 1999 683 691
32. McLean, E.O., 1965. Aluminum. In: Black, C.A. (Ed.), Methods of Soil Analysis. Part 2. Agronomy 9, 985-994.
33. J. Murphy, and J.P. Riley A modified single solution method for the determination of phosphate in a natural waters Anal. Chem. Acta 27 1962 31 36
34. J.A. Priess, and H. Fölster Microbial properties and soil respiration in submontane forests of Venezuelan Guayana: characteristics and response to fertilizer treatments Soil Biol. Biochem. 33 2001 503 509
35. J.A. Priess, Ch. Then, and H. Fölster Litter and fine-root production in three types of tropical premontane rain forest in SE Venezuela Plant Ecol. 143 1999 171 187
36. R. Rettenmaier, and H. Fölster Dinámica de la regeneración natural L. Hernández Ecología de la altiplanicie de la Gran Sabana (Guayana Venezolana) II. Scientia Guaianae vol. 9 1999 108 125
37. E. Röhl Los veranos ruinosos de Venezuela Boletín de la Academia de Ciencias Físicas Matemáticas y Naturales 31 1948 1 23
38. Sanford Jr., R.L., 1985. Root ecology of mature and successional Amazon forests. Ph.D. thesis, University of California, Berkeley, California, USA.
39. C. Schubert, H. Briceño, and P. Fritz Paleoenvironmental aspects of the Caroní-Paragua river basin (Southeastern Venezuela) Interciencia 11 1986 278 289
40. G.H.H. Tate Life zones at Mount Roraima Ecology 13 1932 235 257
41. H. Tiessen, and J.O. Moir Characterization of available P by sequential extraction M.R. Carter Soil Sampling and Methods of Analysis Special Publication of the Canadian Society of Soil Science 1993 Lewis Boca Raton 75 86
42. Thomas, G.W., 1982. Exchangeable cations. In: Page, A.L., Miller, R.H., Keeny, D.R. (Eds.), Methods of Soil Analysis. Part 1. Agronomy 9, 159-166.
43. P.J. Viro Effects of forest fire on soil T.T. Kozlowski C.E. Ahlgren Fire and Ecosystems 1974 Academic Press New York 7 45
44. A. Walkley, and I.A. Black An examination of the Degtjareff method for determining soil organic matter and a proposed modification of the chromic acid titration method Soil Sci. 37 1934 29 38
45. L.S. Watrud, S. Maggard, T. Shiroyama, C.G. Coleman, M.G. Johnson, K.K. Donegan, G. Di Giovanni, L.A. Porteous, and E.H. Lee Bracken (Pteridium aquilinum L.) frond biomass and rhizosphere microbial community characteristics are correlated to edaphic factors Plant Soil 249 2003 359 371
46. Woodmansee, R.G., Wallach, L.S., 1981. Effect of fire regimes on biogeochemical cycles. In: Clark, F.E., Rosswall, T. (Eds.), Terrestrial Nitrogen Cycles. Ecological Bulletins 33, 649-669.