A Population Model of Astrocaryum Mexicanum and a Sensitivity Analysis of its Finite Rate of Increase
作者： D. Pinero , M. Martinez-Ramos , J. Sarukhan
DOI: 10.2307/2259545
关键词: Reproduction 、 Survivorship curve 、 Tropics 、 Demography 、 Population 、 Orders of magnitude (bit rate) 、 Population model 、 Palm 、 Biology 、 Fecundity 、 Ecology 、 Plant science 、 Ecology (disciplines) 、 Ecology, Evolution, Behavior and Systematics
摘要: (1) The demography of the palm Astrocaryum mexicanum is described from a study six permanent plots in tropical rain forest Veracruz, Mexico, during 7 years. (2) There are differences between transition probabilities, survival and fecundity estimates for some age classes. (3) Yearly probabilities one stage to next about 0 10 individual individual-' year-' most stages. (4) This has survivorship pattern with high mortalities (0.69-0.95 year-') first stages life cycle almost no mortality (0-0.03) after its reproduction. (5) Individual shows an initial increase followed by constant values palms 70 years old. (6) Estimates finite rate (A) vary 0.9932 1.0399. average all plots, 1 0046, predicts doubling time population 150 (7) A sensitivity analysis . various demographic parameters that rates older four orders magnitude less important changing than growth intermediate
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