Temperature and photoperiod affect the sensitivity of biofilms to nickel and its accumulation

V Laderriere, M Richard, S Morin… - Environmental …, 2022 - Wiley Online Library
Whereas metal impacts on fluvial communities have been extensively investigated, effects of
abiotic parameters on community responses to contaminants are poorly documented …

Vulnerability and tolerance to nickel of periphytic biofilm harvested in summer and winter

V Laderriere, S Morin, M Eon, C Fortin - Environmental Pollution, 2022 - Elsevier
Metals are naturally present in freshwater ecosystems but anthropogenic activities like
mining operations represent a long-standing concern. Metals released into aquatic …

Microscale and molecular assessment of impacts of nickel, nutrients, and oxygen level on structure and function of river biofilm communities

JR Lawrence, MR Chenier, R Roy… - Applied and …, 2004 - Am Soc Microbiol
Studies were carried out to assess the influence of nutrients, dissolved oxygen (DO)
concentration, and nickel (Ni) on river biofilm development, structure, function, and …

Impact of an urban multi-metal contamination gradient: Metal bioaccumulation and tolerance of river biofilms collected in different seasons

J Faburé, M Dufour, A Autret, E Uher, LC Fechner - Aquatic Toxicology, 2015 - Elsevier
The aim of this study was to investigate the repeatability and seasonal variability of the
biological response of river biofilms chronically exposed to a multi-metal pressure in an …

Effects of copper and temperature on aquatic bacterial communities

MEY Boivin, B Massieux, AM Breure, FP van den Ende… - Aquatic toxicology, 2005 - Elsevier
The present study aimed to characterise effects of copper and temperature on bacterial
communities in photosynthetic biofilms using a suit of supplementary methods: pollution …

Adapting an enzymatic toxicity test to allow comparative evaluation of natural freshwater biofilms' tolerance to metals

LC Fechner, C Gourlay-Francé, E Uher… - Ecotoxicology, 2010 - Springer
A simple, low-cost and non-radioactive short-term toxicity test was developed to study the
effects of urban metals on natural freshwater periphytic communities. β-glucosidase activity …

Enhanced co-tolerance and co-sensitivity from long-term metal exposures of heterotrophic and autotrophic components of fluvial biofilms

A Tlili, M Maréchal, A Bérard, B Volat… - Science of the Total …, 2011 - Elsevier
Understanding the interactive effects of multiple stressors on ecosystems has started to
become a major concern. The aim of our study was therefore to evaluate the consequences …

Light history influences the response of fluvial biofilms to Zn exposure

N Corcoll, B Bonet, M Leira, B Montuelle… - Journal of …, 2012 - Wiley Online Library
Fluvial biofilms are subject to multistress situations in natural ecosystems, such as the co‐
occurrence of light intensity changes and metal toxicity. However, studies simultaneously …

Chl-a fluorescence parameters as biomarkers of metal toxicity in fluvial biofilms: an experimental study

N Corcoll, B Bonet, M Leira, H Guasch - Hydrobiologia, 2011 - Springer
A study was carried out to evaluate the sensitivity of different chlorophyll-a (chl-a)
fluorescence parameters measured in freshwater biofilms as metal pollution biomarkers of …

Influence of temperature and nickel on algal biofilm fatty acid composition

M Fadhlaoui, V Laderriere, I Lavoie… - Environmental …, 2020 - Wiley Online Library
Freshwater biofilms play an important role in aquatic ecosystems and are widely used to
evaluate environmental conditions. Little is known about the effects of temperature and …