通过野外实地调查和定位观测，系统研究了灌木林盖度对风沙土风蚀的影响。
Through field investigation and observation, the influences of shrub coverage on soil erosion by wind were systematically studied.
结合野外实地调查现状，以二级边界为基础，将污染区域划为土壤重金属污染预警区。
Combining with the current situation of the field investigation, and basing on the second grade border, we assign the polluted area to be the early warning district of soil heavy metal pollution.
采用野外实地调查和室内实验相结合的方法，研究了长宁县不同类型竹林的凋落物及其蓄水能力。
By the field investigation and experimental measurement, the standing crops and water conservation capacity of litter in different bamboo forests of Changning County, Sichuan Province, were studied.
通过野外实地调查和定位观测，系统研究了灌木林盖度和高度对地表风况及空气动力学参数的影响。
The impact of shrub coverage and height on surface wind and aerodynamic parameters is systematically studied through field study and fixed observation.
通过野外实地调查，对海南霸王岭自然保护区外来入侵植物的种类数量和分布现状进行了调查分析。
The species number and distribution status of alien invasive plants in Banwangling national nature reserve in Hainan Province was investigated and analyzed by the field survey.
本文对蛇岛外来物种的入侵现状进行了野外实地调查，并对其入侵途径、危害特点进行了详细分析。
In this article, survey of the present status of invasion of exotic species was described and the way of invasion and harms caused by invasion were analyzed.
本研究主要采用黄土高原典型气候区大面积的野外人工草地生产力和土壤水分的实地调查和计算机系统动力学模型数值模拟研究相结合的方法。
In this study, the method of actuarial investigation of forage productivity and soil moisture on artificial pasture combined with numerical simulation value by dynamic crop model were used.
本研究主要采用黄土高原典型气候区大面积的野外人工草地生产力和土壤水分的实地调查和计算机系统动力学模型数值模拟研究相结合的方法。
In this study, the method of actuarial investigation of forage productivity and soil moisture on artificial pasture combined with numerical simulation value by dynamic crop model were used.
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