Temporal variations in soil seed number and in seed rain in a forest-savanna sequence in the Gran Sabana, Venezuela;Variaciones Temporales en Cantidad de Semillas en El Suelo y en Lluvia de Semillas en un Gradiente Bosque-sabana en la Gran Sabana, Venezuela

Interciencia

Volumn 30, Issue 1, 2005, Pages

  Flores, Saúl ^a   Dezzeo, Nelda ^a  

^a INSTITUTO VENEZOLANO DE INVESTIGACIONES CIENTÍFICAS   (Venezuela)

Author keywords

[No Author keywords available]

Indexed keywords

BIODIVERSITY; FOOD PRODUCTS PLANTS; FORESTRY; MINERALS; SOILS; VEGETATION;

MINERAL SOILS; SEED PRODUCTION; SOIL SEED MEMBERS;

SEED;

BIODIVERSITY; FORESTRY; GERMINATION; PLANTS; SEEDS; SOIL;

EID: 15244340183     PISSN: 03781844     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (32)

1. Augspurger CK, Franson SE (1988) Input of wind dispersed seeds into gaps-light and forest sites in a neotropical forest. J. Trop. Ecol. 4: 239-252.
2. Aide TM, Cavelier J (1994) Barriers to tropical lowland forest restoration in the Sierra Nevada de Santa Marta, Colombia. Restor. Ecol. 2: 219-229.
3. Aide TM, Zimmerman JK, Herrera L, Rosario M, Serrano M (1995) Forest recovery in abandoned tropical pastures in Puerto Rico. Forest Ecol. Manag. 77: 77-86.
4. Butler BJ, Chazdon RL (1998) Species richness, spatial variation and abundance of the soil seed bank of a secondary tropical rainforest. Biotropica 30: 214-222.
5. Chacón N, Dezzeo N (2004) Phosphorous fractions and sorption processes in soil samples taken in a forest-savanna gradient in the Gran Sabana, South Venezuela. Biol. Fert. Soils 40, 14-19.
6. Dalling JW (2002) Ecología de semillas. En Guariguata MR, Catan GH (Eds.) Ecología y Conservación de bosques neotropicales. Ediciones LUR. Costa Rica. pp. 345-375.
7. Dalling JW, Swaine MD, Garwood N (1988) Dispersal patterns and seed bank dynamics of pioneer trees in moist tropical forest. Ecology 79: 564-578.
8. Dezzeo N (1990) Bodeneigenschaften und Nährstoffvorratsentwicklung in autchthon degradierenden Wäldern SO-Venezuelas. Göttinger Beitrage zur Land- und Forstwirtschaft in den Tropen und Subtropen, Heft 53. Erich Goltze. Goettingen, Alemania. 104 pp.
9. Dezzeo N (1994) Introducción. Scientia Guaianae 4: 1-4.
10. Dezzeo N, Chacón N, Sanoja E, Picón G (2004) Changes in soil properties and vegetation characteristics along a forest-savanna gradient in southern Venezuela. Forest Ecol. Manag. 200: 183-193.
11. Frankie GW, Baker HG, Opler PA (1974) Comparative phonological studies of trees in tropical low-land wet and dry forests sites of Costa Rica. J. Ecol. 62: 881-913.
12. Fölster H (1986) Forest-savanna dynamics and desertification processes in the Gran Sabana. Interciencia 11: 311-316.
13. Galán C (1984) Memoria explicativa del mapa de zonas bioclimáticas de la cuenca del Río Caroní. División de Cuencas e Hidrología, CVG-EDELCA. Caracas, Venezuela. 74 pp.
14. Garwood NC (1983) Seed germination in a seasonal tropical forest in Panama. Ecol. Monogr. 53: 159-181.
15. Grombone-Guaratini MT, Rodrigues RR (2002) Seed bank and seed rain in a seasonal semi-deciduous forest in south-eastern Brazil. J. Trop. Ecol. 18: 759-774.
16. Guevara S, Gómez-Pompa A (1972) Seeds from surface soils in tropical regions of Veracruz, Mexico. Arbor 53: 312-335.
17. Hladik A, Miquel S (1990) Seedling types and plant establishment in an African rain forest. En Bawa KS, Hadley M (Eds.) Reproductive ecology of tropical forest plants. Man and the Biosphere Ser., Vol. 7. pp 261-282.
18. Hernández L (1994) Clima, hidrografía e hidrología. Scientia Guaianae 4: 25-44.
19. Hewitt N (1998) Seed size and shade-tolerance: a comparative analysis of North American temperate trees. Oecologica 114: 432-440.
20. Holl KD (1999) Factors limiting rainforest regeneration in abandoned pastures: seed rain, seed germination, microclimate and soil. Biotropica 31: 229-242.
21. Huber O (1990) Savannas and related vegetation types of the Guayana Shield region in Venezuela. En Sarmiento G. (Comp.) Las sabanas americanas: aspectos de su biogeografía, ecología y utilizatión. Universidad de Los Andes. Mérida, Venezuela, pp. 57-97.
22. Huber O (1995) Vegetation. En Steyermark JA, Berry P, Holst B (Eds.) Flora of the Venezuelan Guayana. Vol. 1. Introduction. Missouri Botanical Garden. EEUU. pp 97-160.
23. Kelly CK (1995) Seed size in tropical trees: a comparative study of factors affecting seed size in Peruvian angiosperms. Oecologica 102: 377-388.
24. Lawton JH 1994 What do species do in ecosystem? Oikos 71: 367-374.
25. Lunt ID (1997) Germinable soil seed banks of anthropogenic native grasslands and grassy forest remnants in temperate south-eastern Australia. Plant Ecol. 130: 21-34.
26. Phillips O, Hall P, Gentry A, Sawyer S, Vázquez R (1994) Dynamics and species richness of tropical rain forest. Proc. Nat. Acad. Sci. 91: 2805-2809.
27. Ramírez N, Briceño H, Várela C (2000) Biología reproductiva de la vegetación de sabana alta en la Guayana Venezolana. Informe Final. FUNDACITE-Guayana. Universidad Central de Venezuela. XXX pp.
28. Rockwcod LL (1985) Seed weight as function of life form, elevation and life zone in neotropical forests. Biotropica 17: 32-39.
29. Schubert C, Briceño H, Fritz P (1986) Paleoenvironmental aspects of the Caroní-Paragua river basin (Southeastern Venezuela). Interciencia 11: 278-289.
30. Smith CC, Fretwell SD (1974) The optimal balance between size and number of offspring. Am. Natur. 108: 499-506.
31. Thompson K, Grine P (1983) A comparative study of germination responses to diurnally - fluctuating temperature. J. Appl. Ecol. 20: 141-156.
32. Young KR, Ewel JJ, Brown BJ (1987) Seed dynamics during forest succession in Costa Rica. Vegetatio, 157-173.