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Life+ Limnopirineus : conservation of aquatic habitats and species in high mountains of the pyrenees / Empar Carrillo (2019)

Titre :	Life+ Limnopirineus : conservation of aquatic habitats and species in high mountains of the pyrenees
Type de document :	Électronique
Auteurs :	Empar Carrillo ; Josep Maria Ninot i Sugrañes (1955-) ; Teresa Buchaca ; Marc Ventura
Editeur :	Life+ Limnopirineus
Année de publication :	2019
Collection :	Technical report
Importance :	123 p.
ISBN/ISSN/EAN :	978-84-18199-17-2
Catégories :	[CBNPMP-Thématique] Enjeux de conservation des lacs d'altitude [CBNPMP-Thématique] Directive Habitat [CBNPMP-Géographique] Pyrénées
Permalink :	https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=152159

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Changes in lakes after the reduction of fish densities / Teresa Buchaca (2019)

est un extrait de Life+ Limnopirineus : conservation of aquatic habitats and species in high mountains of the pyrenees / Empar Carrillo (2019)

Titre :	Changes in lakes after the reduction of fish densities
Type de document :	Extrait d'ouvrage
Auteurs :	Teresa Buchaca ; Ibor Sabás ; Victor Osorio ; Quim Pou-Rovira ; Alexandre Miró ; Mariàngels Puig ; Eloi Cruset ; Blanca Font ; Enric Ballesteros (1958-) ; Federica Lucati ; Jongmo Suh ; Marc Ventura
Année de publication :	2019
Importance :	29-40
Catégories :	[CBNPMP-Thématique] Enjeux de conservation des lacs d'altitude
Résumé :	In this study we analyse the time series of monitoring data for the 5 years of the LimnoPirineus project. The results show that the group with the clearest response to fish eradication are the macroinvertebrates of the littoral zone, with an increase in taxon richness over time and a convergence of macroinvertebrate composition to that of natural lakes. The change in the biomass of periphytic algae is less affected and only occurs where minnow alone were present or where they were accompanied by salmonid species. In the pelagic system, lakes where minnow were the only fish species present showed an increase in the abundance of pelagic crustaceans and a decrease in phytoplankton biomass after eradication. All these changes and those of physical-chemical parameters (water transparency and nutrients) did not, however, seem to clearly affect the composition of phytoplankton or periphytic algae in the lakes studied.
Lien pérenne :	Handle : 10261/226771
Permalink :	https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=152160

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