Distribution map of accumulated temperature zone in Heilongjiang Province

The accumulated temperature is less than 1600℃. Coniferous forest in cold temperate zone is composed of cold-resistant evergreen or deciduous conifers, which is a forest type with wide distribution area and rich resources in China. It is mainly composed of spruce, fir, larch and some cold-resistant plants of Pinus and Sabina. It is a zonal vegetation type in the north of Daxing 'anling Mountains in the cold temperate zone.

This coniferous forest can adapt to cold, humid or dry climate conditions, and their distribution boundary is often above the forest. Generally speaking, cold temperate coniferous forests can be divided into two types: one is deciduous coniferous forests in cold temperate zones, and the other is evergreen coniferous forests in cold temperate zones, where squirrels also live.

Extended data:

Deciduous coniferous forest in cold temperate zone is a larch forest composed of all kinds of larches that deciduous in winter, also known as bright coniferous forest, which is the most representative vegetation in dry and cold climate in northern and mountainous areas. Larix gmelinii is light-loving, cold-resistant and adaptable. In Daxinganling, it is distributed from banks, swamps, ditches and ponds to hillsides and hilltops, forming a vast forest.

Common undergrowth shrubs include honeysuckle, rose, maple and thick plum. Most of the undergrowth herbs are shade-loving plants, such as oxalis, dewdrop grass in the mountains, and the top of the mountain. The moss layer of spruce fir forest is developed, which not only covers the ground, but also has bryophytes growing on the trunk and branches.

Baidu Encyclopedia-China Temperature Zone