根据安徽省生态环境现状调查的结果，耕地是安徽省主要的土地利用类型。
Based on the results of the survey of the current situation of ecological environment in Anhui Province, cultivated land is the main type of land use.
城市扩张对生态环境的影响主要是由土地覆盖类型变化和扩张空间模式引起的。
The Influence of urban expanding on eco environment is mainly caused by the change of land coverage pattern and expanding spatial model.
基于遥感的土地覆盖类型变化对生态环境的影响已实现定量研究，而空间模式的影响尚处于定性研究阶段。
The influence of land coverage pattern change on eco environment has already been studied quantitatively with remote sensing while the influence of spatial model is still in qualitative research.
借助生态学原理，提出土地系统的四大功能类型。
According to ecological principles, puts forward four functional types of land.
将土地自然价值分成固定自然价值和可变自然价值，讨论了土地生态环境的价值、价格及区位问题，且将土地生态环境分为四种类型。
In this paper land natural value is separated into fixed and variable parts. Value, price, and location of land environment are discussed. Land environment is divided up four dasses.
研究结果表明，根据土地类型所处的土地生态系统的演替阶段来判定土地退化程度，是目前比较简便而又切实可行的土地退化评价方法。
The results showed that it was a simple and practical method, which was based on the ecosystem succession stage of land types to assessment land degradation.
土地利用、耕作、作物类型、种植密度、灌溉、施肥以及其他人为活动等，对农田生态系统土壤有机碳库的变化均能产生影响。
Land use, cultivation, crop selection, planting density, irrigation, fertilization, and other anthropogenic activities all affect the dynamics of SOC pool.
土地利用、耕作、作物类型、种植密度、灌溉、施肥以及其他人为活动等，对农田生态系统土壤有机碳库的变化均能产生影响。
Land use, cultivation, crop selection, planting density, irrigation, fertilization, and other anthropogenic activities all affect the dynamics of SOC pool.
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