GuevaraBergeronMcNeilEtAl1992

Reference

Guevara De Lampe, M., Bergeron, Y., McNeil, R., Leduc, A. (1992) Seasonal flowering and fruiting patterns in tropical semi-arid vegetation of northeastern Venezuela. Biotropica, 24(1):64-76.

Abstract

Flowering and fruiting phenology were studied for thorn woodland and thorn scrub. The flowering of trees and tall shrubs occurred in both vegetation types at the end of the dry season and lasted throughout the entire rainy season. Short-duration rains late in the dry season my have triggered and synchronized flowering. Fruiting activities of trees and tall shrubs occurred in all months, whereas fruiting maturation was limited to the dry season and the beginning of the rainy season. Fluctuation in the abundance of fruits was related principally to the production of a large amount of dry, lightweight seeds during the dry season, whereas fleshy and dry, heavyweight fruits were more or less steadily produced throughout the year. This suggests an adaptation to favour wind dispersion of seeds during the dry season when the vegetation is leafless, as well as the maintenance of animal populations and dispersal agents throughout the year. Annual reproductive phenology was more synchronized for thorn scrub than for thorn woodland. This may be due to the fact that thorn scrub vegetation is subjected to more severe drought conditions and consequently responds more punctually to the reappearance of rain or soil moisture. -from Authors

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@ARTICLE { GuevaraBergeronMcNeilEtAl1992,
    AUTHOR = { Guevara De Lampe, M. and Bergeron, Y. and McNeil, R. and Leduc, A. },
    TITLE = { Seasonal flowering and fruiting patterns in tropical semi-arid vegetation of northeastern Venezuela },
    JOURNAL = { Biotropica },
    YEAR = { 1992 },
    VOLUME = { 24 },
    PAGES = { 64-76 },
    NUMBER = { 1 },
    ABSTRACT = { Flowering and fruiting phenology were studied for thorn woodland and thorn scrub. The flowering of trees and tall shrubs occurred in both vegetation types at the end of the dry season and lasted throughout the entire rainy season. Short-duration rains late in the dry season my have triggered and synchronized flowering. Fruiting activities of trees and tall shrubs occurred in all months, whereas fruiting maturation was limited to the dry season and the beginning of the rainy season. Fluctuation in the abundance of fruits was related principally to the production of a large amount of dry, lightweight seeds during the dry season, whereas fleshy and dry, heavyweight fruits were more or less steadily produced throughout the year. This suggests an adaptation to favour wind dispersion of seeds during the dry season when the vegetation is leafless, as well as the maintenance of animal populations and dispersal agents throughout the year. Annual reproductive phenology was more synchronized for thorn scrub than for thorn woodland. This may be due to the fact that thorn scrub vegetation is subjected to more severe drought conditions and consequently responds more punctually to the reappearance of rain or soil moisture. -from Authors },
    KEYWORDS = { flowering fruiting phenology semi-arid Venezuela },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.04 },
}

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