Evolution of scientific questions over 50 years in the Kervidy-Naizin catchment: from catchment hydrology to integrated studies of biogeochemical cycles and agroecosystems in a rural landscape

C. Gascuel-Odoux; O. Fovet; G. Gruau; L. Ruiz; P. Merot

doi:10.18172/cig.3383

Autores/as

C. Gascuel-Odoux Inra http://orcid.org/0000-0003-0310-6671
O. Fovet INRA
G. Gruau
L. Ruiz
P. Merot

DOI:

https://doi.org/10.18172/cig.3383

Palabras clave:

cuenca de investigación, monitoreo a largo plazo, investigación interdisciplinar, observatorio medioambiental

Resumen

Los estudios sobre caliad de agua en cuencas empezaron en los años 60, cuando los científicos identificaron el alcance de los impactos medioambientales a largo plazo y reconocieron la complejidad de la degradación y recuperación medioambiental. Dado que los científicos necesitan entender los procesos bioquímicos e hidrológicos en detalle, a lo largo del tiempo se han ido estableciendo observatorios a largo plazo, especialmente en relación con la hidrología y la bioquímica en cuencas. El observatorio AgrHyS (de “AgroHydroSystem”) incluye dos pequeñas cuencas en Bretaña (Francia) y este artículo explica la evolución de las preguntas científicas planteadas y las observaciones y estudios asociados a lo largo de 50 años en una de ellas, la cuenca de Kervidy-Naizin. Si bien un conjunto de variables bien definidas se han monitorizado desde el principio (constituyendo la “cesta básica del observatorio”), los temas de investigación y el seguimiento de variables adicionales ha sido mucho más amplio. Los primeros 25 años se centraron en procesos hidrológicos y bioquímicos y los 25 años siguientes se centraron en cuestiones más integrales relacionadas con la ecología del suelo y los ciclos bioquímicos del paisaje. En este sentido, el observatorio AgroHyS ha sabido fomentar con éxito una investigación multidisciplinar. El reto actual es la integración de este observatorio en redes internacionales que permitan la inter-comparación de la respuesta de los sistemas hydrológicos en gradientes de condiciones ambientales y de usos del suelo diferentes.

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Biografía del autor/a

C. Gascuel-Odoux, Inra

Inra, UMR SAS, Rennes, France

Citas

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