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Lago en un tubo: un sistema de microcosmos para apoyar a los laboratorios de ecología
1Saint Michael's College, Department of Biology, One Winooski Park, Colchester, Vermont, 05439, USA.
Advances in biology laboratory education : publication of the .... Conference of the Association For Biology Laboratory Education (ABLE). Association for Biology Laboratory Education. Workshop/Conference
|August 21, 2025
Resumen
El sistema de microcosmos Lake-in-a-tube (LIAT) permite experimentos ecológicos controlados para estudiantes. Este sistema flexible facilita el estudio de la calidad del agua del lago y la floración de algas en varios niveles educativos.
Área de la Ciencia:
- Ecología
- Limnología
- Ciencias del medio ambiente
Sus antecedentes:
- El sistema Lago en un tubo (LIAT) es una herramienta educativa valiosa para el estudio de los ecosistemas de los lagos.
- Permite experimentos controlados y replicados sobre la calidad del agua y la ecología.
- Los estudiantes pueden observar y cuantificar los cambios en la densidad de algas en escalas de tiempo cortas.
Objetivo del estudio:
- Introducir el sistema LIAT microcosmos para investigaciones ecológicas y de calidad del agua.
- Proporcionar una plataforma flexible para diversas aplicaciones educativas, desde demostraciones simples hasta estudios de casos complejos.
- Facilitar la investigación dirigida por estudiantes sobre los factores que afectan a la proliferación de algas en los lagos.
Principales métodos:
- El sistema LIAT permite la manipulación controlada de los factores abióticos (concentración de nutrientes, escurrimiento de aguas pluviales) y los factores bióticos (longitud de la cadena alimentaria).
- Los experimentos se centran en cuantificar la densidad de algas utilizando varios métodos.
- Se utiliza un programa de laboratorio basado en estudios de casos, que incorpora experiencias de investigación de pregrado basadas en cursos (CUREs).
Principales resultados:
- El sistema LIAT se ha utilizado con éxito durante tres años con estudiantes universitarios de primer año.
- Los estudiantes investigan los impactos de los factores ambientales en las algas.
- El sistema apoya una serie de necesidades educativas, incluidas unidades de laboratorio de varias semanas y experiencias de investigación en andamios.
Conclusiones:
- El sistema LIAT microcosmos es una herramienta versátil y eficaz para la enseñanza de la ecología del lago y la calidad del agua.
- Apoya el aprendizaje práctico y la investigación basada en la investigación para estudiantes de varios niveles.
- El sistema LIAT puede adaptarse a una amplia gama de objetivos educativos ecológicos y limológicos.
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