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Characterisation of microcontaminants in Darwin Harbour, a tropical estuary of northern Australia undergoing rapid development

Overview of attention for article published in Science of the Total Environment, August 2015
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Title
Characterisation of microcontaminants in Darwin Harbour, a tropical estuary of northern Australia undergoing rapid development
Published in
Science of the Total Environment, August 2015
DOI 10.1016/j.scitotenv.2015.07.114
Pubmed ID
Authors

Veronica A. French, Susan Codi King, Anu Kumar, Grant Northcott, Keith McGuinness, David Parry

Abstract

The detection of microcontaminants in aquatic environments raises concerns about their potential to exert ecotoxicological effects and impact human health. In contrast to freshwater habitats, little information is available on environmental concentrations in urban estuarine and marine environments. This study investigated an extensive range of organic and inorganic microcontaminants in the Darwin Harbour catchment, a tropical estuary in northern Australia undergoing rapid urbanisation and industrial development. We sampled wastewater effluent and surface water from seven sites in Darwin Harbour for pharmaceuticals and personal care products, alkylphenols, hormones, pesticides, herbicides and metals. In vitro bioassays were used to estimate the (anti)estrogenic and (anti)androgenic activities of samples. Seventy-nine of 229 organic microcontaminants analysed were detected at concentrations ranging from 0.01 to 20μg/L, with acesulfame, paracetamol, cholesterol, caffeine, DEET and iopromide detected at the highest concentrations in wastewater effluent (20μg/L, 17μg/L, 11μg/L, 11μg/L, 10μg/L and 7.6μg/L, respectively). Levels of estrogenic activity ranged from estradiol equivalency quotients (EEQs) of <0.10 to 6.29±0.16ng/L while levels of androgenic activity ranged from dihydrotestosterone equivalency quotients (DHTEQs) of <3.50 to 138.23±3.71ng/L. Environmental concentrations of organic microcontaminants were comparable to ranges reported from aquatic environments worldwide with sewage effluent discharges representing the dominant source of entry into Darwin Harbour. The measured concentration range of DEET was higher than ranges reported in previous studies.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 96 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 1%
Unknown 95 99%

Demographic breakdown

Readers by professional status Count As %
Student > Master 16 17%
Researcher 15 16%
Student > Bachelor 12 13%
Student > Ph. D. Student 10 10%
Other 6 6%
Other 7 7%
Unknown 30 31%
Readers by discipline Count As %
Environmental Science 21 22%
Agricultural and Biological Sciences 11 11%
Chemistry 8 8%
Engineering 6 6%
Biochemistry, Genetics and Molecular Biology 3 3%
Other 13 14%
Unknown 34 35%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 08 August 2015.
All research outputs
#16,874,917
of 25,593,129 outputs
Outputs from Science of the Total Environment
#18,512
of 29,976 outputs
Outputs of similar age
#156,318
of 276,372 outputs
Outputs of similar age from Science of the Total Environment
#119
of 206 outputs
Altmetric has tracked 25,593,129 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 29,976 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.7. This one is in the 35th percentile – i.e., 35% 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 276,372 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 206 others from the same source and published within six weeks on either side of this one. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.