Xiangxi, west and north are surrounded by mountains on three sides. Bai Causeway, Su Causeway, Yang Gongdi and Zhao Gong dikes in the lake divide the lake into several water surfaces. The outline of the lake is nearly oval and the bottom of the lake is relatively flat. The average water depth is 2.27 meters, the deepest is about 5 meters and the shallowest is less than 1 meter. The natural surface water sources of the West Lake are Jinsha River, Longhong River, Chishan River (Yin Hui) and Changqiao River. West Lake is located on the edge of hills in the southeast of China, on the northern edge of the middle subtropical zone. The annual average total solar radiation is between100-10 kcal/cm2, and the sunshine hours are 1800-2 100 hours.

West Lake, located at Longjing Road 1, Xihu District, Hangzhou City, Zhejiang Province, is located in the west of Hangzhou City. The West Lake Scenic Area covers a total area of 49 square kilometers, with a catchment area of 2 1.22 square kilometers and a lake area of 6.38 square kilometers.

There are more than 65,438+000 park attractions in and around the West Lake. There are Ten Scenes of West Lake, Ten Scenes of New West Lake and Three Comments on Ten Scenes of West Lake in the past dynasties. There are more than 60 national, provincial and municipal key cultural relics protection units and more than 20 museums. Famous scenic spots include Broken Bridge, Leifeng Pagoda, Xiling Press, Long Bridge, Qianwang Memorial Hall and Jingci Temple.

In 2007, Hangzhou West Lake Scenic Area was rated as "national AAAAA-level tourist attraction". 20 1 1 On June 24th, "Hangzhou West Lake Cultural Landscape" was officially listed in the World Heritage List.

Climatic characteristics:

The West Lake is located on the edge of the southeastern hills of China, on the northern edge of subtropical zone. The annual average total solar radiation is between100-10 kcal/cm2, and the sunshine hours are 1800-2 100 hours, so the sunshine is sufficient. The annual average temperature is 16.2℃, and the annual average frost-free period is 25438+000 hours. There are four distinct seasons throughout the year, with alternating sunny and rainy seasons, obvious alternating winter and summer monsoon, abundant rainfall, annual precipitation of about 1500mm, and humid air.

The West Lake ecosystem can be divided into three subsystems: forest ecosystem, fresh water ecosystem and wetland ecosystem, among which forest ecosystem is the main one.