基于文献计量学的环境领域有机磷农药研究热点和趋势分析

Research hotspots and trend analysis of organophosphorus pesticides in the environmental field based on bibliometrics

有机磷农药(OPPs)已逐渐取代有机氯农药成为广泛应用的农药之一,其大量使用对环境构成威胁,了解环境领域中OPPs的研究动态与趋势,可为相关领域的科研工作和环境管理提供借鉴。运用文献计量学方法,对2000—2022年中国知网(CNKI)核心数据库和Web of Science(WoS)核心数据库收录的环境领域OPPs的相关文献进行了分析,系统梳理了该领域OPPs的研究现状,阐述了OPPs研究的发展态势及热点前沿,同时提出了未来重点研究方向。结果表明:2000—2022年,国内外关于环境领域OPPs的研究论文共3427篇,近10年来发文量呈显著上升趋势;环境领域OPPs的研究介质主要是水体和土壤,且对水体中OPPs的环境行为和特性探究更为深入;OPPs的检测手段以气相色谱法为主,毒死蜱[O,O-二乙基-O-(3,5,6-三氯-2-吡啶基)硫代磷酸酯]是OPPs研究中出现频率较高的目标污染物之一,且其在环境中的检出率较高;国内外关于OPPs在环境中的研究脉络基本相似,前期研究(2000—2010年)主要集中在环境中OPPs的萃取方法,中期研究(2011—2018年)主要集中在环境中OPPs的危害及对其的环境影响评价,近年来(2019—2022年)研究热点主要集中在OPPs的残留、环境检测以及高效去除等领域。未来建议加强OPPs降解产物的鉴定和环境毒性研究、OPPs复合暴露研究及环境修复研究,同时开发新型纳米材料和绿色农药替代方案等。

Organophosphorus pesticides(OPPs)have gradually replaced organochlorine pesticides(OCPs)as one of the most widely used pesticides,and their extensive use poses a threat to the environment.Understanding the dynamics and trends of OPPs research in the environmental field is beneficial for researchers and environmental managers in related fields.Using bibliometric methods,literature on OPPs in the field of environment sourced from the core databases of China Knowledge Network(CNKI)and Web of Science(WoS)from 2000 to 2022 were analyzed,and the current status of research,hotspots,and trends on OPPs in the field of environment were systematically clarified.The development trends and emerging frontiers in OPPs research were also described and key future research directions were proposed.The results indicated a significant increase in publications over the last decade,with a total of 3427 papers published internationally and in China.OPPs in the environmental field were mainly studied in water and soil,and the environmental behavior and characteristics of OPPs in water were more deeply investigated.Gas chromatography was a primary detection method for OPPs.Chlorpyrifos was one of the target pollutants that have been studied more frequently in the research of OPPs,and its detection rate in the environment was high.The research on OPPs in the environment in China and abroad was basically similar,with early-stage research(2000-2010)mainly focusing on the investigation of the extraction methods of OPPs in the environment.In the mid-term research(2011-2018),the main focus was on the hazards of OPPs in the environment and the evaluation of their impact on the environment.In recent years(2019-2022),research hotspots have primarily focused on OPPs residue,environmental detection and efficient removal methods.In the future,it was recommended to intensify research efforts towards identifying OPPs degradation products,assessing their environmental toxicity,exploring compound exposure scenarios,investigating environmental remediation strategies,and advancing the development of new nanomaterials and environmentally friendly pesticide alternatives.