Development and Sensitivity of a 12-h Laboratory Test with Daphnia magna Straus Based on Avoidance of Pulp Mill Effluents

Studies on avoidance of contaminants by aquatic organisms verified that such behavior may have crucial ecological implications. Yet, avoidance tests have not been considered in ecological risk assessments. This study aimed at developing a short-term test with Daphnia magna Straus based on avoidance...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2008-11, Vol.81 (5), p.464-469
Main Authors: Rosa, R, Moreira-Santos, M, Lopes, I, Picado, A, Mendonça, E, Ribeiro, R
Format: Article
Language:English
Subjects:
Algorithms
Animals
Aquatic ecosystems
Aquatic organisms
Aquatic Pollution
Behavior, Animal - physiology
Calibration
Contaminants
Daphnia - physiology
Earth and Environmental Science
Ecology
Ecotoxicology
Electric Conductivity
Environment
Environmental Chemistry
Environmental Health
Environmental Monitoring - methods
Hydrogen-Ion Concentration
Industrial Waste - adverse effects
Industrial wastewater
Industry
Laboratory tests
No-Observed-Adverse-Effect Level
Oxygen - analysis
Pollution
Pulp & paper industry
Pulp wastes
Reproduction - drug effects
Risk assessment
Soil Science & Conservation
Toxicology
Waste Disposal, Fluid
Waste Water Technology
Water Management
Water Pollutants, Chemical - toxicity
Water Pollution Control
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Summary:Studies on avoidance of contaminants by aquatic organisms verified that such behavior may have crucial ecological implications. Yet, avoidance tests have not been considered in ecological risk assessments. This study aimed at developing a short-term test with Daphnia magna Straus based on avoidance of pulp mill effluents and at comparing its sensitivity to the standard 21 d D. magna reproduction test. The avoidance effective dilution values (12 h EDil20 and EDil50) were as sensitive as the 21 d EDil20 and EDil50 values for reproduction. Therefore, this easily standardizable short-term test can be recommended as a valuable complementary tool in ecological risk assessments.
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-008-9538-y