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作 者:张凯[1] 闻大中[2] 曹志强[1] 梁文举[2]
机构地区:[1]沈阳农业大学农学院,沈阳110161 [2]中国科学院沈阳应用生态研究所,沈阳110016
出 处:《应用生态学报》2002年第12期1615-1618,共4页Chinese Journal of Applied Ecology
基 金:国家自然科学基金资助项目 (3 9870 15 1)
摘 要:对沈阳市郊区农业景观中的秋菜田斑块的大小、形状及与其它斑块或廊道的邻接情况等基本特征进行了典型调查 ,分析和讨论了菜田斑块在该景观中的镶嵌特征 .在距城区约 5km以内的近郊区 ,许多秋菜田斑块相互邻接 ,并与各类公路相邻接 ;距城区 5~ 10km的中郊区 ,许多秋菜田斑块与玉米田斑块相邻接 ,并与乡村道路相邻接 ;在距城区 10km以上的远郊区 ,多数秋菜田斑块被玉米田斑块所包围 ,并与乡村道路相邻接 .Some typical patches of autumnal Chinese cabbage fields in the agricultural landscapes of Shenyang city suburb were investigated,and their basic features,such as areas,shapes,neighborings and connections,were recorded. Their mosaic features were also analyzed and discussed. In the region of less 5 km distance from city,many Chinese cabbage patches neighbored each other and connected to highways,while in the region of 5~10 km distance from city,they neighbored with corn patches and connected to countryside roads. In the region over 10 km distance from city,many Chinese cabbage patches are surrounded by corn patches and connected to countryside roads.
关 键 词:沈阳市郊 秋菜田 景观生态 斑块特征 农业景观 农业生态系统镶嵌
分 类 号:S181[农业科学—农业基础科学]
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