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Effect of Diet Quality on Chronic Toxicity of Aqueous Lead to the Amphipod, Hyalella azteca.

Overview of attention for article published in Environmental Toxicology & Chemistry, December 2015
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Title
Effect of Diet Quality on Chronic Toxicity of Aqueous Lead to the Amphipod, Hyalella azteca.
Published in
Environmental Toxicology & Chemistry, December 2015
DOI 10.1002/etc.3341
Pubmed ID
Authors

Besser, John M., Ivey, Chris D., Brumbaugh, William G., Ingersoll, Christopher G., Besser, John M, Ivey, Chris D, Brumbaugh, William G, Ingersoll, Christopher G

Abstract

The authors investigated chronic toxicity of aqueous Pb to the amphipod, Hyalella azteca, (Hyalella) in 42-d tests with 2 different diets: (1) the YCT diet (yeast + cereal leaf + trout pellet), fed at the uniform low ration used in standard methods for sediment toxicity tests; and (2) a new diet of diatoms + Tetramin flakes (DT), fed at increasing rations over time, that has been optimized for use in Hyalella water-only tests. Test endpoints included survival, weight, biomass, fecundity, and total young. Lethal effects of Pb were similar for DT and YCT tests (LC20 = 13 and 15 µg/L as filterable Pb). In contrast, weight and fecundity endpoints were not significantly affected in the DT test at Pb concentrations up to 63 µg/L, but these endpoints were significantly reduced by Pb in the YCT test - and in a 2005 test in our laboratory with a diet of conditioned rabbit chow (RC-2005). The fecundity and total young endpoints from the YCT and RC-2005 tests were considered unreliable because fecundity in controls did not meet test acceptability criteria, but both of these tests still produced lower Pb effect concentrations (for weight or biomass) than the test with the DT diet. The lowest BLM-normalized effect concentrations for the three tests ranged from 3.7 µg/L (weight EC20 for the RC-2005 test) to 8.2 µg/L (total young EC20 for the DT test), values that would rank Hyalella as the second or third most sensitive of 13 genera in a species sensitivity distribution for chronic Pb toxicity. These results demonstrate that toxicity tests with Hyalella fed optimal diets can meet more stringent test acceptability criteria for control performance, but suggest that results of these tests may underestimate sublethal toxic effects of lead to Hyalella under suboptimal feeding regimes. This article is protected by copyright. All rights reserved.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 18 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 18 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 6 33%
Student > Master 3 17%
Researcher 3 17%
Student > Bachelor 2 11%
Other 2 11%
Other 2 11%
Readers by discipline Count As %
Environmental Science 6 33%
Agricultural and Biological Sciences 5 28%
Medicine and Dentistry 2 11%
Computer Science 1 6%
Earth and Planetary Sciences 1 6%
Other 2 11%
Unknown 1 6%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 December 2015.
All research outputs
#5,045,356
of 6,792,385 outputs
Outputs from Environmental Toxicology & Chemistry
#1,053
of 1,663 outputs
Outputs of similar age
#197,522
of 291,198 outputs
Outputs of similar age from Environmental Toxicology & Chemistry
#62
of 92 outputs
Altmetric has tracked 6,792,385 research outputs across all sources so far. This one is in the 14th percentile – i.e., 14% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,663 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 29th percentile – i.e., 29% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 291,198 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 19th percentile – i.e., 19% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 92 others from the same source and published within six weeks on either side of this one. This one is in the 27th percentile – i.e., 27% of its contemporaries scored the same or lower than it.