Amounts of pesticides reaching target pests: Environmental impacts and ethics

Pimentel, David

doi:10.1007/bf02286399

Cited by 652 publications

(297 citation statements)

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“…Recently, a widely use of the herbicides has raised increasing concern due to their enormous pollution of the environment. Data showed that less than 0.1% of the chemicals used for pest control will reach their target [2]. Thus, more than 99.9% of pesticides used has tendency move into the environment where they may adversely contaminate soil, water, and the atmosphere of the ecosystem [2].…”

Section: Introductionmentioning

confidence: 99%

“…Data showed that less than 0.1% of the chemicals used for pest control will reach their target [2]. Thus, more than 99.9% of pesticides used has tendency move into the environment where they may adversely contaminate soil, water, and the atmosphere of the ecosystem [2]. In particular, glyphosate is among the most intensive used pesticides worldwide; according to the statistic forecast, the global market for glyphosate is expected to use 1.35 million tons annually [3].…”

Section: Introductionmentioning

confidence: 99%

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Electrochemical degradation and mineralization of glyphosate herbicide

Tran

Drogui

Doan

et al. 2017

Environmental Technology

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The presence of herbicide is a concern for both human and ecological health. Glyphosate is occasionally detected as water contaminants in agriculture areas where the herbicide is used extensively. The removal of glyphosate in synthetic solution using advanced oxidation process is a possible approach for remediation of contaminated waters. The ability of electrochemical oxidation for the degradation and mineralization of glyphosate herbicide was investigated using Ti/PbO2 anode. The current intensity, treatment time, initial concentration and pH of solution are the influent parameters on the degradation efficiency. An experimental design methodology was applied to determine the optimal condition (in terms of cost/effectiveness) based on response surface methodology. Glyphosate concentration (C0 = 16.9 mgwhen the optimal conditions were imposed (current intensity of 4.77A and treatment time of 173 min). The removal efficiencies of glyphosate and total organic carbon were 95 ±16 % and 90.31 %, respectively. This work demonstrates that electrochemical oxidation is a promising process for degradation and mineralization of glyphosate.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Electrochemical degradation and mineralization of glyphosate herbicide

Tran

Drogui

Doan

et al. 2017

Environmental Technology

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“…As a result, pesticides significantly contribute to air, soil and water pollution, and there is growing evidence linking their use to human illnesses [4,136]. Note that the per capita efficiency of chemical pesticides is estimated to be quite low as, on average, less than 0.1% of them reach their targeted pest [133].…”

Section: Introductionmentioning

confidence: 99%

Multiscale approach to pest insect monitoring: Random walks, pattern formation, synchronization, and networks

Petrovskii

Petrovskaya

Bearup

2014

Physics of Life Reviews

104

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Pest insects pose a significant threat to food production worldwide resulting in annual losses worth hundreds of billions of dollars. Pest control attempts to prevent pest outbreaks that could otherwise destroy a sward. It is good practice in integrated pest management to recommend control actions (usually pesticides application) only when the pest density exceeds a certain threshold. Accurate estimation of pest population density in ecosystems, especially in agro-ecosystems, is therefore very important, and this is the overall goal of the pest insect monitoring. However, this is a complex and challenging task; providing accurate information about pest abundance is hardly possible without taking into account the complexity of ecosystems' dynamics, in particular, the existence of multiple scales. In the case of pest insects, monitoring has three different spatial scales, each of them having their own scale-specific goal and their own approaches to data collection and interpretation. In this paper, we review recent progress in mathematical models and methods applied at each of these scales and show how it helps to improve the accuracy and robustness of pest population density estimation.

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“…For many years, their presence as well as their environmental impact has attracted much attention due to the wide use of such compounds in agriculture and household applications ( Beck et al, 1993;Serrano et al, 2005;Mansour, 1993). Less than 1% of total applied pesticides reach the target pests, the vast majority being dispersed in the different environmental compartments (water, air and soil) but mainly in aquatic environment via agricultural runoff or leaching (Pimentel, 1995). The application of herbicides on agricultural soils is a well-established and effective practice to control weed growth.…”

Section: Introductionmentioning

confidence: 99%