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Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
Published on: March 12, 2013
Ecología. ecología. Las causas interrelacionadas de la invasión de plantas
1U.S. Department of Agriculture-Agricultural Research Service Rangeland Resources Research Unit, Crops Research Laboratory, 1701 Center Avenue, Fort Collins, CO 80526, USA. dana.blumenthal@ars.usda.gov
Science (New York, N.Y.)
|October 15, 2005
Resumen
Las plantas de altos recursos, a menudo nutritivas y mal defendidas, pueden prosperar de manera invasiva escapando a los enemigos naturales. Esto sugiere que el control biológico podría dirigirse a estas plantas exóticas, especialmente donde los recursos son abundantes.
Área de la Ciencia:
- Ecología Ecología Ecología.
- Especies invasoras Biología Biología.
- Teoría de Defensa de las Plantas Teoría de Defensa de Plantas
Sus antecedentes:
- Las plantas en entornos de altos recursos suelen exhibir defensas reducidas y un mayor valor nutricional.
- Estas especies a menudo están fuertemente reguladas por enemigos naturales en sus hábitats nativos.
Objetivo del estudio:
- Para explorar la hipótesis de que las plantas de hábitats de altos recursos se benefician más de escapar de los enemigos naturales al invadir nuevos entornos.
- Predecir las implicaciones para el control biológico y el impacto de la disponibilidad de recursos en el éxito de las plantas exóticas.
Principales métodos:
- Esta es una pieza de perspectiva, que sintetiza las teorías y datos ecológicos existentes.
- Presenta una hipótesis basada en principios establecidos de defensa de plantas y regulación del enemigo.
Principales resultados:
- La hipótesis predice que las especies de plantas invasoras de altos recursos son particularmente vulnerables al control biológico.
- Se predice que el aumento de la disponibilidad de recursos favorecerá el establecimiento y la propagación de plantas exóticas.
Conclusiones:
- Escapar a los enemigos naturales es una ventaja significativa para las especies de plantas de alto recurso y mal defendidas que invaden nuevos hábitats.
- Comprender la dinámica de liberación del enemigo es crucial para predecir el éxito de las especies invasoras y desarrollar estrategias efectivas de control biológico.
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