Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/115771
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Deleterious interaction of light impairment and organic matter enrichment on Isoetes lacustris (Lycopodiophyta, Isoetales) |
Autor: | Chappuis, Eglantine CSIC ORCID; Lumbreras, Ana CSIC; Ballesteros, Enric CSIC ORCID ; Gacia, Esperança CSIC ORCID | Palabras clave: | Nutrient enrichment Carbohydrates Oligotrophic soft-water lakes Sucrose Starch Aquatic macrophytes |
Fecha de publicación: | 2015 | Editor: | Springer Nature | Citación: | Hydrobiologia : DOI 10.1007/s10750-015-2321-2 (2015) | Resumen: | Light reduction and increased organic matter load often occur together in lakes undergoing eutrophication. We aimed at experimentally testing the relative importance of light availability, organic matter enrichment and their interactions in the collapse of healthy populations of Isoetes lacustris. We conducted an in situ shading (65 and 35% of incident light) and organic matter enrichment (10% enrichment) experiment in a Pyrenean pond (NE Spain). We followed plant performance using growth indicators, carbon balance indicators and individual survival. Severe light reduction (35%) resulted in a lengthening of the new leaves and no effects on mortality. Organic matter enrichment resulted in lower production and increased individual mortality. The combination of both stresses resulted in stronger negative effects and the highest mortality rate, which helps explaining I. lacustris die-offs observed after damming. Under severe light reduction (35%), plants used corm starch to keep growing. Consequently, starch percentage decreased and sucrose percentage increased as it was transported to the growing leaves. The most extreme changes were observed under severe light reduction and fertilization, which extremely increased the ratio between sucrose and total non-structural carbohydrates (TNC). Thus, I. lacustris sucrose:TNC ratio is a good indicator of light reduction and organic matter enrichment stresses. | Descripción: | 14 páginas, 4 figuras, 3 tablas. | Versión del editor: | http://dx.doi.org/10.1007/s10750-015-2321-2 | URI: | http://hdl.handle.net/10261/115771 | DOI: | 10.1007/s10750-015-2321-2 | ISSN: | 0018-8158 |
Aparece en las colecciones: | (CEAB) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
Chappuis_Hydrobiol.pdf | 300,44 kB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
12
checked on 09-abr-2024
WEB OF SCIENCETM
Citations
10
checked on 23-feb-2024
Page view(s)
327
checked on 19-abr-2024
Download(s)
326
checked on 19-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.