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Embryo development of the benthic amphipod Monoporeia affinis as a tool for monitoring and assessment of biological effects of contaminants in the field: A meta-analysis
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
2014 (English)In: Ecological Indicators, ISSN 1470-160X, E-ISSN 1872-7034, Vol. 36, 483-490 p.Article in journal (Refereed) Published
Abstract [en]

Embryo malformations in the benthic amphipod Monoporeia affinis have been used as a biological effect indicator of chemical contaminants for more than three decades. The results from field studies along the Swedish Baltic Sea coast, comprising more than 50,000 analyzed embryos, were synthesized using a meta-analytic approach. This approach generated a quantitative and statistically defensible summary and enabled us to explore potential causative factors. The study aimed at evaluating the usefulness of embryo malformations as a biological effect indicator of chemical contaminants in the field. The result shows that malformations in M. affinis are ubiquitous in polluted areas and are negatively correlated with distance from main sources of contaminants. The result also shows that malformations are significantly more frequent up to more than 10 km from point sources. We conclude that embryo malformations in M. affinis can provide useful information for management and environmental policy in the Baltic Sea region as: (1) the present study supports evidence from controlled laboratory studies that there is a cause and effect relationship between embryo malformations and contaminants; (2) the study suggests that the indicator is contaminant-sensitive and can therefore serve as an early warning of biological effects in the field; (3) the indicator is general, suggesting that it has capability to monitor and detect effects of a wide variety of known, and yet unknown, chemical contaminants. The usefulness is further strengthened by the fact that M. affinis is a widely distributed species that plays a fundamental role in the Baltic Sea ecosystem. Future research should increase the understanding of how environmental factors affect the indicator response and if the response is related to effects at lower and higher levels of biological organization.

Place, publisher, year, edition, pages
2014. Vol. 36, 483-490 p.
Keyword [en]
Bioindicator, Environmental monitoring and assessment, Pollution, Marine Strategy Framework Directive, Monoporeia affinis, Baltic Sea
National Category
Ecology Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-100094DOI: 10.1016/j.ecolind.2013.08.021ISI: 000329081100052OAI: oai:DiVA.org:su-100094DiVA: diva2:692462
Note

AuthorCount:4;

Available from: 2014-01-31 Created: 2014-01-27 Last updated: 2017-12-06Bibliographically approved
In thesis
1. Improved environmental monitoring and assessment: Establishing links between effects of chemical pollution at different levels of biological organization in a Baltic Sea bioindicator species (Monoporeia affinis)
Open this publication in new window or tab >>Improved environmental monitoring and assessment: Establishing links between effects of chemical pollution at different levels of biological organization in a Baltic Sea bioindicator species (Monoporeia affinis)
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

A large number of chemicals enters the marine environment via atmospheric deposition, run-off, rivers and streams, industrial effluents and municipal wastewater. To understand how chemicals affect environmental health, monitoring and assessment approaches need to combine physical, chemical and biological effect parameters from different levels of biological organization. Embryo aberrations and reproductive success in the Baltic Sea key species Monoporeia affinis have been linked to various stressors, including chemicals, and have been applied as a bioindicator of chemical pollution since the 1970s. The current thesis aimed to improve this bioindicator by linking effects at different levels of biological organization. Understanding how effects are linked, from sub-cellular effects, to decreased organism fitness and further on to populations, will improve the ability to give early warnings and understand risks that an ecosystem faces. Paper I links point sources of chemical pollution to embryo aberrations, and shows that effects can be detected 20-30 km from point sources. Paper II demonstrates on a sub-cellular level how M. affinis´ ability to cope with hypoxia is adversely affected by chemical stress, and how it could decrease fitness. Paper III link sub-cellular effects to embryo aberrations and suggests a mechanistic link between oxidative stress and embryo aberrations. Paper III also shows that sub-cellular effects respond more distinctly compared to fecundity, survival and embryo aberrations and can thus improve the ability to detect stress at an early stage. In Paper IV, a population model was developed, which shows that populations could be severely affected if levels of embryo aberrations persist at levels commonly observed in Baltic Sea. This thesis contributes to a more holistic understanding of how chemical pollution affects M. affinis, thereby improving our ability to early detect negative effects and understand potential risks that the Baltic Sea faces.

Place, publisher, year, edition, pages
Stockholm: Department of Environmental Science and Analytical Chemistry, Stockholm University, 2015. 32 p.
Keyword
Environmental health assessment, environmental monitoring, chemical pollution, hypoxia, bioindicators, biomarkers, teratogenicity, embryo toxicity, oxidative stress, acetylcholine esterase. Monoporeia affinis, Baltic Sea
National Category
Biological Sciences
Research subject
Applied Environmental Science
Identifiers
urn:nbn:se:su:diva-111067 (URN)978-91-7649-078-5 (ISBN)
Public defence
2015-01-30, De Geersalen, Geovetenskapens hus, Svante Arrhenius väg 14, Stockholm, 10:00 (English)
Supervisors
Note

At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Manuscript. Paper 4: Manuscript.

Available from: 2015-01-08 Created: 2014-12-21 Last updated: 2014-12-30Bibliographically approved

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