Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| [suitable habitat of therioaphis trifolii population on arable lands of southern ningxia based on gis]. | based on gis techniques, the interpolation maps of therioaphis trifolii population on the arable lands in yuanzhou district of guyuan city in different periods were overlapped with the ecological regionalization map and digital altitude map, aimed to analyze the relations of t. trifolii population density with its ecological environment and geographical distribution. in the study area, the occurrence and distribution of t. trifolii had close relations with climate, geomorphology, and altitude. t ... | 2009 | 19947224 |