加拿大生态区聚类分析与气候分布

According to the variable definitions of bio1-bio19 in section B of the previous text, bio1-bio11 mainly indicate temperature changes, while bio12-19 represent precipitation. When the number of clusters is 5, the classified regions show a north-south distribution, gradually changing from warm and humid in the south to lower temperatures and less precipitation in the north (https://climateatlas.ca/). The distribution of these regions coincides with Canada's seven climate zones and Plant Hardiness Zones. Of course, with the increase of the number of clusters, ecological regions will be further divided, making the division of different regions more detailed. For example, the location of the western plateau region is further highlighted. It should be noted that although these indicators total 19, they are all calculated based on annual (monthly) precipitation and temperature. Therefore, too many cluster divisions will make the conclusions less convincing and the results will have little practical value in real life. It is recommended to include more comprehensive indicators for consideration. Furthermore, the number of clusters in this study increased from 5 to 25 in increments of 5. Considering factors such as climate distribution, vegetation distribution, and population distribution, gradually increasing by 1 to match the realistic number of clusters may be more reasonable.