The petenes of Sian Ka'an, Quintana Roo and their relationship with water pressure gradients

Authors

  • Jorge López-Portillo Instituto de Ecología, A.C.
  • Exequiel Ezcurra Centro de Ecología, Universidad Nacional Autónoma de México
  • José Manuel Maass Centro de Ecología, Universidad Nacional Autónoma de México

DOI:

https://doi.org/10.21829/abm5.1989.575

Abstract

Ist has been suggested tha hummocks (petenes), present in karstic areas, are fed with fresh, continental water from underground sources. We tested this supposition. Three humocks and their associated inmersed areas were chosen around the Chunyaxché Lagoon, and soil samples from edaphic horizons and samples from the phreatic water were taken. Samples from continental and sea water were also taken.In water and soil samples, pH and concentration of four cations were determined in soils.

A multivariate analysis of variance (MANOVA) made on the variables measured in soils showed no significant differences between the hummocks and their associated inmersed zones differ more from continental areas that between them. These result suggests that a direct continental  water source is not necessary to determine the presence of a hummonck. Thus, hummoncks could be considered as islets which are occupied by tropical evergreen seasonal forest and/or magrove species, according to the flooding condition in the islet.

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References

Barrera, A. 1982. Los petenes del noroeste de Yucatán. Su exploración ecológica en perspectiva. Biotica 7(2): 163-169.

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Council of Soil Testing and Plant Analysis. 1980. Handbook on reference methods for soil testing. University of Georgia. Athens. 130 pp.

Durán, R. 1987. Descripción y análisis de la estructura y composición de la vegetación de los petenes del noroeste de Campeche, México. Biotica 12(3): 181-198.

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López-Ornat, A. 1983. Mapa de vegetación y uso del suelo de la Reserva de la Biósfera de Sian Ka'an. In: CIQRO-SEDUE. Vegetación de Sian Ka'an: Estudios preliminares de una zona en Quintana Roo propuesta como Reserva de la Biósfera. Cancún, Q.R. Anexo.

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Rico-Gray, V. 1982. Estudio de la vegetación de la zona costera inundable del noroeste del Estado de Campeche, México: Los petenes. Biotica 7(2): 171-190.

Semeniuk, V. 1983. Mangrove distribution in Northwestern Australia in relationship to regional and local freshwater seepage. Vegetatio 53: 11-31. DOI: https://doi.org/10.1007/BF00039767

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Springall, G. y L. Espinosa. 1972. El subsuelo de la Península de Yucatán. In: Memorias de la VI Reunión de Mecánica de Suelos. México, D. F. pp. Y2 - Y103,

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Published

1989-01-01

How to Cite

López-Portillo, J., Ezcurra, E., & Maass, J. M. (1989). The petenes of Sian Ka’an, Quintana Roo and their relationship with water pressure gradients. Acta Botanica Mexicana, (5), 19–29. https://doi.org/10.21829/abm5.1989.575
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No. 5 (1989)

Section

Research article

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