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Ecología. ecología. Relaciones especie-área en los bosques tropicales
1Zoology Department, Oxford University, Oxford OX1 3PS, UK. robert.may@zoo.ox.ac.uk
Science (New York, N.Y.)
|February 24, 2001
Resumen
La relación especie-área, una ley de potencia, predice la diversidad de especies basada en el tamaño de la superficie. Una nueva investigación refina esta ley utilizando un millón de árboles de cinco bosques tropicales para mejores predicciones en muestras pequeñas.
Área de la Ciencia:
- Ecología Ecología Ecología.
- Biodiversidad Ciencia Ciencia de la biodiversidad.
Sus antecedentes:
- La relación especie-área es una ley de potencia que describe la correlación entre el número de especies y la superficie del hábitat.
- El exponente suele oscilar entre 0,2 y 0,3, lo que indica la sensibilidad al tamaño del área.
Objetivo del estudio:
- Para refinar la ley de poder de la relación especie-área.
- Para mejorar las predicciones de la diversidad de especies en pequeñas muestras de censo.
Principales métodos:
- Análisis de un gran conjunto de datos que comprende un millón de árboles.
- Datos de encuesta de cinco áreas distintas de censo de bosques tropicales.
Principales resultados:
- Nuevos resultados de extensas encuestas de bosques tropicales.
- Demostración de cómo grandes conjuntos de datos pueden afinar las leyes de energía ecológica.
Conclusiones:
- La ley de potencia refinada ofrece una mayor precisión predictiva para la diversidad de especies.
- Este estudio pone de relieve la importancia de los datos a gran escala en el modelado ecológico.
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