List of works by Helena Guasch

Advances in the Multibiomarker Approach for Risk Assessment in Aquatic Ecosystems

Antioxidant enzyme activities as biomarkers of Zn pollution in fluvial biofilms

scientific article published on 14 March 2012

Antioxidant enzyme activities in biofilms as biomarker of Zn pollution in a natural system: an active bio-monitoring study

scientific article published on 28 December 2013

Are pharmaceuticals more harmful than other pollutants to aquatic invertebrate species: a hypothesis tested using multi-biomarker and multi-species responses in field collected and transplanted organisms.

scientific article published on 16 September 2011

Arsenic toxicity effects on microbial communities and nutrient cycling in indoor experimental channels mimicking a fluvial system

scientific article published on 17 July 2015

Assessing the ecological integrity after nutrient inputs in streams: The relevance of the observation scale

Assessment of multi-chemical pollution in aquatic ecosystems using toxic units: compound prioritization, mixture characterization and relationships with biological descriptors

scientific article published on 24 September 2013

Behavioural and physical effects of arsenic exposure in fish are aggravated by aquatic algae

scientific article

Biotic and Abiotic Factors Influencing Arsenic Biogeochemistry and Toxicity in Fluvial Ecosystems: A Review

scientific article published on 30 March 2020

Bridging levels of pharmaceuticals in river water with biological community structure in the Llobregat River basin (northeast Spain).

scientific article published on 5 March 2009

Catalase in fluvial biofilms: a comparison between different extraction methods and example of application in a metal-polluted river ⬇️

scientific article published on November 16, 2010

Changes in atrazine toxicity throughout succession of stream periphyton communities

Changes in the microbial communities along the environmental gradient created by a small Fe spring

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

scientific article published on 27 May 2011

Combined effects of hydrologic alteration and cyprinid fish in mediating biogeochemical processes in a Mediterranean stream

scientific article published on 06 June 2017

Combined scenarios of chemical and ecological quality under water scarcity in Mediterranean rivers

article by Mira Petrovic et al published September 2011 in Trends in Analytical Chemistry

Community composition and sensitivity of periphyton to atrazine in flowing waters: the role of environmental factors

Comparing the response of biochemical indicators (biomarkers) and biological indices to diagnose the ecological impact of an oil spillage in a Mediterranean river (NE Catalunya, Spain).

scientific article published on 7 September 2006

Consistency in Diatom Response to Metal-Contaminated Environments

article

Contrasting effects of organic and inorganic toxicants on freshwater periphyton

article

Copper accumulation and toxicity in fluvial periphyton: the influence of exposure history.

scientific article published on 10 December 2008

Cumulative Stressors Trigger Increased Vulnerability of Diatom Communities to Additional Disturbances

scientific article

Discharge and the response of biofilms to metal exposure in Mediterranean rivers

scientific article published on 25 February 2010

Discharge and the response of biofilms to metal exposure in Mediterranean rivers

Diurnal variation in dissolved oxygen and carbon dioxide in two low-order streams

Does grazing pressure modify diuron toxicity in a biofilm community?

scientific article published on 18 December 2009

Drought episode modulates the response of river biofilms to triclosan.

scientific article

EFFECT OF COPPER ON ALGAL COMMUNITIES FROM OLIGOTROPHIC CALCAREOUS STREAMS1

scholarly article by Helena Guasch et al published April 2002 in Journal of Phycology

Ecotoxicological risk assessment of chemical pollution in four Iberian river basins and its relationship with the aquatic macroinvertebrate community status

scientific article published on 10 July 2015

Effects of atrazine on periphyton under grazing pressure

scientific article published on 01 November 2001

Effects of chronic copper exposure on fluvial systems: linking structural and physiological changes of fluvial biofilms with the in-stream copper retention

scientific article published on 30 July 2009

Effects of flow intermittency and pharmaceutical exposure on the structure and metabolism of stream biofilms

scientific article published on 10 July 2014

Effects of low arsenic concentration exposure on freshwater fish in the presence of fluvial biofilms

scientific article published on 3 December 2015

Effects of low concentrations of the phenylurea herbicide diuron on biofilm algae and bacteria

scientific article

Effects of sediment deposition on periphytic biomass, photosynthetic activity and algal community structure

scientific article published on 9 August 2009

Efficiency of cadmium chelation by phytochelatins in Nitzschia palea (Kützing) W. Smith.

scientific article published on 8 January 2014

Establishing potential links between the presence of alkylphenolic compounds and the benthic community in a European river basin.

scientific article published on 26 May 2011

Examining predictors of chemical toxicity in freshwater fish using the random forest technique

scientific article published on 3 March 2017

Experimental evaluation of the contribution of acidic pH and Fe concentration to the structure, function and tolerance to metals (Cu and Zn) exposure in fluvial biofilms

scientific article published on 11 July 2014

Fluvial biofilms: A pertinent tool to assess beta-blockers toxicity

scientific article published on 10 November 2009

How to Link Field Observations with Causality? Field and Experimental Approaches Linking Chemical Pollution with Ecological Alterations

article

In situ spatio-temporal changes in pollution-induced community tolerance to zinc in autotrophic and heterotrophic biofilm communities

scientific article published on 24 June 2011

Influence of grazing on triclosan toxicity to stream periphyton

article

Influence of phosphate on the response of periphyton to atrazine exposure.

scientific article published on 23 October 2006

Influence of phosphorus on copper sensitivity of fluvial periphyton: the role of chemical, physiological and community-related factors

scientific article published on 19 December 2009

Influence of regional hydrogeological systems at a local scale: Analyzing the coupled effects of hydrochemistry and biological activity in a Fe and CO2 rich spring

scientific article

Influence of the interaction between phosphate and arsenate on periphyton's growth and its nutrient uptake capacity

scientific article published on 6 July 2014

Is chemical contamination linked to the diversity of biological communities in rivers?

article by F. Ricciardi et al published May 2009 in Trends in Analytical Chemistry

Is the toxicity of pesticide mixtures on river biofilm accounted for solely by the major compounds identified?

scientific article published in August 2014

Light History Influences the Response of Fluvial Biofilms to Zn Exposure

scientific article published on 24 September 2012

Light history modulates antioxidant and photosynthetic responses of biofilms to both natural (light) and chemical (herbicides) stressors.

scientific article published on 11 March 2012

Measuring in-stream retention of copper by means of constant-rate additions

scientific article

Metal Ecotoxicology in Fluvial Biofilms: Potential Influence of Water Scarcity

scientific article published on 30 October 2009

Microbial Biomarkers

Monitoring the effect of chemicals on biological communities. The biofilm as an interface

scientific article published on 16 January 2007

Multiple-stressor effects on river biofilms under different hydrological conditions

Mutual interaction between arsenic and biofilm in a mining impacted river

scientific article published in September 2018

Nutrient enrichment effects on biofilm metabolism in a Mediterranean stream

Pharmaceuticals and pesticides in reclaimed water: Efficiency assessment of a microfiltration-reverse osmosis (MF-RO) pilot plant

scientific article

Phosphate limitation influences the sensitivity to copper in periphytic algae

scholarly article by Helena Guasch et al published April 2004 in Freshwater Biology

Pollution-induced community tolerance to non-steroidal anti-inflammatory drugs (NSAIDs) in fluvial biofilm communities affected by WWTP effluents

scientific article published on 13 May 2014

Primary and complex stressors in polluted mediterranean rivers: Pesticide effects on biological communities

Recommendations for the routine sampling of diatoms for water quality assessments in Europe

article published in 1998

SEASONAL VARIATIONS IN PHOTOSYNTHESIS-IRRADIANCE RESPONSES BY BIOFILMS IN MEDITERRANEAN STREAMS1

article

STRUCTURAL AND FUNCTIONAL RESPONSES OF PERIPHYTON AND MACROINVERTEBRATE COMMUNITIES TO FERRIC FE, CU AND ZN IN STREAM MESOCOSMS.

scientific article published on 26 December 2017

STRUCTURE AND FUNCTION OF BENTHIC ALGAL COMMUNITIES IN AN EXTREMELY ACID RIVER1

Seasonal changes in antioxidant enzyme activities of freshwater biofilms in a metal polluted Mediterranean stream

scientific article published on 21 December 2012

Short-term arsenic exposure reduces diatom cell size in biofilm communities

scientific article published on 5 July 2015

Short-term toxicity of zinc to microbenthic algae and bacteria in a metal polluted stream

article

The Use of Biofilms to Assess the Effects of Chemicals on Freshwater Ecosystems

scholarly article published 2016

The Use of Photosynthetic Fluorescence Parameters from Autotrophic Biofilms for Monitoring the Effect of Chemicals in River Ecosystems

scholarly article published 2012

The effect of biological factors on the efficiency of river biofilms in improving water quality

The effect of copper exposure on a simple aquatic food chain

scientific article published on 01 May 2003

The effect of metals on photosynthesis processes and diatom metrics of biofilm from a metal-contaminated river: A translocation experiment

scientific article published in July 2012

The relevance of the community approach linking chemical and biological analyses in pollution assessment

article by A. Geiszinger et al published May 2009 in Trends in Analytical Chemistry

The use of antioxidant enzymes in freshwater biofilms: temporal variability vs. toxicological responses

scientific article published on 21 March 2013

Trace metal concentration and fish size: variation among fish species in a Mediterranean river

scientific article published on 17 June 2014

Triclosan persistence through wastewater treatment plants and its potential toxic effects on river biofilms.

scientific article published on 19 September 2010

Use of microbenthic algal communities in ecotoxicological tests for the assessment of water quality: the Ter river case study

article

Use of multivariate analyses to investigate the contribution of metal pollution to diatom species composition: search for the most appropriate cases and explanatory variables

scientific article published on 18 February 2009

Variability in zinc tolerance, measured as incorporation of radio-labeled carbon dioxide and thymidine, in periphyton communities sampled from 15 European river stretches

scientific article published in January 2003

Water Flow and Light Availability Influence on Intracellular Geosmin Production in River Biofilms

scientific article published on 01 January 2019

Water toxicity assessment and spatial pollution patterns identification in a Mediterranean River Basin District. Tools for water management and risk analysis.

scientific article published on 27 July 2011

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