论文部分内容阅读
对沈阳市郊区秋菜田斑块与相邻接的其它景观要素的某些相互关系进行了研究 ,得出了在某一时段内通过一秋菜田斑块和一玉米田斑块之间界面移动的节肢动物类群和数量 ,观测到 7个目的昆虫以平均流量 10 .3只·m-1·d-1通过两斑块边界相互流动 ,以及一乡村道路交通扬尘对秋菜田上降尘率大小和范围的影响 ,受道路交通影响较大的范围可达菜田内 14m处 .并以这些观测结果为基础 ,讨论了农业景观中农业生态系统镶嵌的某些原理 .
Some interrelationships between the autumn field patch and other adjacent landscape elements in Shenyang suburb were studied. It was found that in a certain period of time the movement through the interface between a patch of autumn field patch and a patch of corn field Arthropod groups and quantity. Seven insects were observed to flow at an average flow rate of 10.3 m-1 · d-1 through the two-plaque boundary and the magnitude and range of the dustfall on autumn vegetable fields by a rural road traffic dust Affected by the road traffic affected by the larger reach of vegetable fields within 14m.And these observations based on the agricultural landscape in the discussion of some of the principles of agricultural ecosystem mosaic.