2000
DOI: 10.1006/eesa.2000.1945
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Persistence and Distribution of Azinphos-methyl Following Application to Littoral Enclosure Mesocosms

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Cited by 15 publications
(22 citation statements)
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“…Even with the fairly short half-life of AZP as indicated earlier (Wauchope et al 1992;Knuth et al 2000), the time for recovery of the organisms between the spraying events might not be long enough and may cause cumulative effects. The half-life of the pesticide in artificial soil was not determined during this study, but presuming that it will also be fairly short as in other substrates, it can explain why animals subjected to longer intervals between pesticide applications (28 days) were affected less detrimentally than animals subjected to a shorter (14 days) interval.…”
Section: Acute Toxicity and Adverse Effects On Life-cycle Traitsmentioning
confidence: 96%
See 1 more Smart Citation
“…Even with the fairly short half-life of AZP as indicated earlier (Wauchope et al 1992;Knuth et al 2000), the time for recovery of the organisms between the spraying events might not be long enough and may cause cumulative effects. The half-life of the pesticide in artificial soil was not determined during this study, but presuming that it will also be fairly short as in other substrates, it can explain why animals subjected to longer intervals between pesticide applications (28 days) were affected less detrimentally than animals subjected to a shorter (14 days) interval.…”
Section: Acute Toxicity and Adverse Effects On Life-cycle Traitsmentioning
confidence: 96%
“…AZP has a relatively short environmental half-life, although the values reported in the literature vary. Knuth et al (2000) found the half-life in soil to be between 1.2 and 7 days depending on soil type and ambient conditions. Persistence of AZP in soils is variable but generally low under field conditions (Wauchope et al 1992).…”
Section: Introductionmentioning
confidence: 98%
“…Model parameterization 2.3.1. Model evaluation A model evaluation was performed for ChimERA fate in order to assess model performance against experimental observations for three case studies differing in applied chemical and environmental system characteristics (Knuth et al, 2000;Leistra et al, 2003;Armitage et al, 2008). Such effort, following the terminology introduced in a recent paper by Augusiak et al (2014), can be considered as a "model output verification", which implies the critical assessment of how well model output matches observations and of the degree of calibration necessary to obtain a good fit between model output and data.…”
Section: Starting Contaminationmentioning
confidence: 99%
“…Such effort, following the terminology introduced in a recent paper by Augusiak et al (2014), can be considered as a "model output verification", which implies the critical assessment of how well model output matches observations and of the degree of calibration necessary to obtain a good fit between model output and data. For this purpose, ChimERA fate was parameterized by selecting values for the environmental parameters (e.g., water volumes, sediment depth, vegetation biomass and characteristics, and TSP and DOM concentrations) equal to the ones characterizing the experimental systems (Knuth et al, 2000;Leistra et al, 2003), as also done by Armitage et al (2008) for testing their modelling approach. More details on model parameterization are reported in Text S4.…”
Section: Starting Contaminationmentioning
confidence: 99%
“…Organophosphate pesticides (OPs), including azinphos-methyl, are a class of toxicants that have had favor in the agricultural industry due to their relatively low persistence in the environment (22,23). Acute OP toxicity in higher organisms operates primarily via a common mechanism of covalently binding a serine residue in the active site of the acetylcholinesterase enzyme (AChE); inactivating this site results in a systemic inhibition of enzyme activity (24).…”
mentioning
confidence: 99%