Further declines in organochlorines in eggs of red-breasted mergansers from Lake Michigan, 1977–1978 versus 1990 versus 2002

Heinz, Gary H.; Stromborg, Kenneth L.

doi:10.1007/s10661-008-0619-5

Cited by 6 publications

(3 citation statements)

References 17 publications

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“…Decreasing trends of p,p′‐DDE (henceforth called DDE) in biota have been reported for various species in North America and other parts of the world. In particular, avian contaminant trends have been reported for species such as the bald eagle , osprey ( Pandion haliaetus ) , herring gull ( Larus argentatus ) , and red‐breasted merganser ( Mergus serrator ) , and in marine environments with seabirds and marine mammals . Concentrations of DDE decreased 2 times to 12 times in different bird species in Texas (USA) from 1965 to 1988 and in birds from the Rio Grande between 1965 and 1995, but more significantly since 1980 .…”

Section: Introductionmentioning

confidence: 99%

Temporal and latitudinal trends of p,p′‐DDE in eggs and carcasses of North American birds from 1980 to 2005

Mora¹,

Durgin²,

Hudson³

et al. 2016

Enviro Toxic and Chemistry

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Section: Introductionmentioning

confidence: 99%

Temporal and latitudinal trends of p,p′‐DDE in eggs and carcasses of North American birds from 1980 to 2005

Mora¹,

Durgin²,

Hudson³

et al. 2016

Enviro Toxic and Chemistry

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“…Additional data describing contaminant concentrations in bird’s eggs used in calculating ecological risks by p , p ′-DDE and PCBs were obtained using the Web of Knowledge in searches combining the terms egg residues , birds , and multiple specific areas. This search resulted in contamination data for two distinct areas (the Arctic − and the American Great Lakes − ). Single toxicant exposure data were natural log-transformed and used to construct a probability density distribution that was applied in the calculation of ecological risks.…”

Section: Materials and Methodsmentioning

confidence: 99%

Deriving Field-Based Ecological Risks for Bird Species

Hoondert

Hilbers

Hendriks

et al. 2018

Environ. Sci. Technol.

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Ecological risks (ERs) of pollutants are typically assessed using species sensitivity distributions (SSDs), based on effect concentrations obtained from bioassays with unknown representativeness for field conditions. Alternatively, monitoring data relating breeding success in bird populations to egg concentrations may be used. In this study, we developed a procedure to derive SSDs for birds based on field data of egg concentrations and reproductive success. As an example, we derived field-based SSDs for p,p′-DDE and polychlorinated biphenyls (PCBs) exposure to birds. These SSDs were used to calculate ERs for these two chemicals in the American Great Lakes and the Arctic. First, we obtained field data of p,p′-DDE and PCBs egg concentrations and reproductive success from the literature. Second, these field data were used to fit exposure-response curves along the upper boundary (right margin) of the response’s distribution (95th quantile), also called quantile regression analysis. The upper boundary is used to account for heterogeneity in reproductive success induced by other external factors. Third, the species-specific EC10/50s obtained from the field-based exposure-response curves were used to derive SSDs per chemical. Finally, the SSDs were combined with specific exposure data for both compounds in the two areas to calculate the ER. We found that the ERs of combined exposure to these two chemicals were a factor of 5–35 higher in the Great Lakes compared to Arctic regions. Uncertainty in the species-specific exposure-response curves and related SSDs was mainly caused by the limited number of field exposure-response data for bird species. With sufficient monitoring data, our method can be used to quantify field-based ecological risks for other chemicals, species groups, and regions of interest.

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“…Eggs from aquatic birds are commonly used in biomonitoring as reliable indicators of pollution − because these birds tend to occupy upper trophic levels and thus accumulate a wide range of contaminants.…”

Section: Introductionmentioning

confidence: 99%

Standardization of Egg Collection from Aquatic Birds for Biomonitoring - A Critical Review

Klein

Bartel-Steinbach

Koschorreck³

et al. 2012

Environ. Sci. Technol.

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Collecting bird eggs is an established method of biomonitoring for specific pollution hazards. One of the most critical problems with this method is the extreme biological variability in bird eggs, but standardizing the collection and preservation of eggs can reduce these problems. Furthermore, standard practices are required so that the results can be compared among studies because mistakes cannot be corrected by laboratory analysis. Therefore, a standard procedure for collecting and preserving bird eggs may be necessary. The objective of this review is to investigate the current standard of quality assurance in the field by analyzing 86 peer-reviewed papers describing egg collection and use for aquatic birds. We show that little attention has been paid to standardizing how eggs are collected and stored in the field. Important information is often absent, including crucial aspects of sample collection and preservation, such as the freshness of the eggs, the position of the eggs in the laying sequence, the selection criteria, random sampling, and the duration and temperature of transport. Potential standards are suggested and discussed as a foundation for the development of quality assurance standards in the field.

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Further declines in organochlorines in eggs of red-breasted mergansers from Lake Michigan, 1977–1978 versus 1990 versus 2002

Cited by 6 publications

References 17 publications

Temporal and latitudinal trends of p,p′‐DDE in eggs and carcasses of North American birds from 1980 to 2005

Temporal and latitudinal trends of p,p′‐DDE in eggs and carcasses of North American birds from 1980 to 2005

Deriving Field-Based Ecological Risks for Bird Species

Standardization of Egg Collection from Aquatic Birds for Biomonitoring - A Critical Review

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