Modelos de distribución de abundancias en comunidades de briófitos
Keywords:
. briófitos, distribución de abundancias, diversidad, bosques (es)Bryophytes, abundance distribution (en)
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Se presentan los resultados del análisis de la distribución de abundancias en comunidades de briofitos en bosques relictuales de la zona cafetera. Se eligieron cuatro bosques con tamaños entre 1 y 4 ha. Los bosques están rodeados por pastizales y cafetales. El ajuste a los diferentes modelos se hizo mediante la prueba de bondad de ajuste X2. Dos bosques se ajustaron a la serie logarítmica, uno al modelo lognormal y el último se ajustó tanto a serie logarítmica como a lognormal. Se discute si estos modelos tienen validez para determinar grados de disturbio y se enfatiza en su utilidad para describir como está estructurada la comunidad. Se procura explicar estos ajustes mediante la observación del estado de conservación de los bosques.
We present the results of an abundance distribution analysis in bryophytes communities in forests patches in Quindío, Colombia; in four remnant forests between one to four ha; the forests are surrounded by coffee crop and pastures. The fit to the different models was made with the good-offit test X2. Two forests fit to logarithmic series, one to lognormal model and last one to logaritmic series as lognormal model. We discussed the validity ofthis analysis for determination of disturbance levels; moreover, we emphasized its usefulness for description of how communities are structured.
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