Spectral characterization of didymosphenia geminata under laboratory conditions: Bases for a monitoring and early warning system in river systems of south Central Chile
Spectral characterization of didymosphenia geminata under laboratory conditions: Bases for a monitoring and early warning system in river systems of south Central Chile
Authors
Encina Montoya, Francisco
Fustos, Ivo
González Alfaro, Katerina
Aguayo, Carlos
Esse, Carlos
Figueroa Hernández, David
Lara Cárdenas, Gladys
Navarro Cárcamo, Celso
Fustos, Ivo
González Alfaro, Katerina
Aguayo, Carlos
Esse, Carlos
Figueroa Hernández, David
Lara Cárdenas, Gladys
Navarro Cárcamo, Celso
Authors
Date
Datos de publicación:
10.3391/mbi.2018.9.2.02
Keywords
Sensores remotos - Didymosphenia geminata - Sistemas fluviales
Collections
Abstract
The effects of climate change and the severe anthropization of local river systems have contributed to the alteration of ecological processes, affecting the water quality in these systems and thus generating conditions for the emergence of algal species. In this context, the object of the present study was to evaluate the potential of remote detection techniques to obtain a spectral characterization of D. geminata under controlled laboratory conditions. This would provide the basic information for the design and implementation of a monitoring and early warning system. D. geminata cells obtained from two southern Chilean river systems were cultivated in the laboratory and analysed using hyperspectral techniques to construct their spectral signatures. The results showed the feasibility of distinguishing between the presence and absence of D. geminata when it occurs in association with other diatom present in the environmental. The results could be the first step towards the design and implementation of a monitoring and early warning system to facilitate existing inspection activities