Ecological modeling, population ecology, and wildlife toxicology: A team approach to environmental toxicology

Kendall, Ronald J.; Lacher, Thomas E.

doi:10.1002/etc.5620100301

Cited by 6 publications

(3 citation statements)

References 6 publications

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“…RAPD primers were purchased from Operon technologies (Operon Technologies, Alameda, CA, USA). Only one primer (OPA-20) was amplified successfully of OPA kits (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20).…”

Section: Dna Amplification By Rapd-pcrmentioning

confidence: 99%

“…The aquatic ecosystem was a combination of interconnected species that are reacting to each other of habits and habitats. The discharging of many different types of synthetic chemicals (i.e., fertilizers, pesticides, and detergents) into the marine environment causes several adverse effects on biodiversity of aquatic ecosystem [1,2]. Further, the chemical contamination of aquatic ecology affects algal population which is primary producers wills directly affects the consumers, as the food web is disturbed which leads to the depletion of aquatic biota.…”

Section: Introductionmentioning

confidence: 99%

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Untitled

2019

JBR

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The presence of sodium Lauryl sulfates (SLS) as synthetic detergents, in marine environment arises mainly from its presence in complex domestic and industrial effluents as well as its release directly from some applications (e.g., oil dispersants and pesticides). It has been reported that SLS is toxic and affects survival of aquatic animals such as fishes, microbes like yeasts and bacteria. It is also toxic to mammals like mice and humans but to a lesser extent. Many studies have shown that the direct discharge of untreated wastewater into aquatic environment containing anionic surfactants causes significant damage to the aquatic environment due to the growth of algae that consume oxygen needed for the life of aquatic organisms. These damages in the aquatic environment are caused not only by the presence of anionic surfactants (SLS), but also by their interaction with other pollutants in the aquatic environment, which increases their toxic effect on aquatic organisms. Such detergents, however, became a public nuisance because they were neither soluble nor biodegradable. The present study intended to evaluate the fate of SLS as synthetic detergents on Tripoli coastal site of Libya, and quantifying their impacts on fish (Sardine aurita) DNA mutation, compared with other species through literature review. Our results provide functional evidence for genome toxicity of fish, of the DNA mutation caused by detergents effluents. This study provides the rationale for a simple genetic test to identify the impacts of detergents on aquatic ecosystem of Libyan coastal region.

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Section: Dna Amplification By Rapd-pcrmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Untitled

2019

JBR

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“…These problems may be overcome by further refinement of behavioral studies using experimental designs that incorporate greater ecological realism. To do so requires a union of ecology and toxicology (Kendall and Lâcher 1991). Understanding the behavioral mechanisms that facilitate critical ecological activities, such as foraging and growth, will lead to more sensitive and predictive toxicity tests.…”

Section: General Introductionmentioning

confidence: 99%

Effects of cadmium on juvenile bluegill (Lepomis macrochirus) foraging behavior and growth

Bryan

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Carbofuran residues in grasshoppers and vegetation from aerially sprayed prairie pastures: Potential effects on wildlife

Forsyth¹,

Westcott²

1994

Enviro Toxic and Chemistry

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Deposition and persistence of carbofuran in vegetation and grasshoppers of two prairie pastures were measured after single aerial applications at 134 g a.i per hectare in 1987 and 1988. Mean depositions on horizontal filter paper samplers were 43 1 and 64 9% of the nominal rate in the two applications Variability of deposits, measured as C V.s, were 76 4% and 86 9% Carbofuran residues in vegetation and grasshoppers were less variable than those in deposit samplers, with C V s of 40 6 and 70 6% in vegetation and 58 6 and 32 5% in grasshoppers for 1987 and 1988, respectively. Residues declined by 50% in 24 h both years from initial concentrations (3 h postspray) in vegetation of 13 3 and 10 8 μg/g Initial residues in grasshoppers averaged 2 2 μg/g in 1987 and 3.9 μg/g in 1988; the mean for both years was 2.5 μg/g Grasshoppers contained the same concentration of carbofuran 3 h after spraying, whether collected live or dead Maximum residues of 5 7 μg/g were found in grasshoppers from two of the 40 sites sampled in both years A model fitted to the data indicated that there may have been about a 24 to 44% loss of residues from vegetation, probably due to volatilization and other processes, before samples were collected at 3 h There was a decline in residues per grasshopper of 30% in 24 h both years, which was not evident when expressed as micrograms per gram because of desiccation of the dead insects The concentrations of carbofuran in the vegetation and grasshoppers were typical of aerial spraying, hence, they may be used as baseline values for estimating exposure of herbivores and msectivores to insecticide deposits from similar spray events by adjusting for rate of application Deposits measured on filter papers were positively related to concentrations in vegetation and grasshoppers Calculations of the potential effects on wildlife of ingesting sprayed grasshoppers, combined with other routes of exposure, indicated a relatively low hazard for herbivorous rodents but a relatively high hazard for insectivorous adult passerines and their young Monitoring passerines in a related field study did, however, not reveal any effects on survival within 3 d of spraying carbofuran.

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Ecological modeling, population ecology, and wildlife toxicology: A team approach to environmental toxicology

Cited by 6 publications

References 6 publications

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Untitled

Effects of cadmium on juvenile bluegill (Lepomis macrochirus) foraging behavior and growth

Carbofuran residues in grasshoppers and vegetation from aerially sprayed prairie pastures: Potential effects on wildlife

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