生态比较研究(ecological comparison study)是生态学研究中应用较多的一种方法。 最为简单的方法是观察不同人群或地区某种疾病的分布,然后根据疾病分布的差异,提出病因假设。
比较系统地研究了有机生态型无土栽培技术在温室长季节番茄生产中的应用方法和效果。
Applied method and effect of Eco organic type soilless culture techniques were studied in the long season greenhouse tomato.
方法本专题采用的研究方法包括:疾病动态监测、危险因素动态监测、横断面研究、前瞻性观察、生态学比较和模型预测等流行病学方法。
Method The study methods of this project included dynamic disease surveillance, multiple risk factors examinations, cross - sectional and prospective study, and modeling of predictive models, etc.
研究方法:生态系统服务价值评价方法、GIS技术、比较分析法。
Such methods were applied as ecosystem services value assessment, GIS and comparative analysis.
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