| Forêt ancienne de la Rivière-Chézine | |
| Iucn Category: | III |
| Map: | Quebec |
| Relief: | yes |
| Location: | Saint-Gabriel-de-Valcartier, Capitale-Nationale, Quebec, Canada |
| Coordinates: | 47.1483°N -71.6486°W |
| Established: | 2007 |
| Administrator: | Ministry of Energy and Natural Resources |
The Rivière-Chézine old forest is an exceptional forest ecosystems of Quebec located in Saint-Gabriel-de-Valcartier, in La Jacques-Cartier Regional County Municipality, in administrative region of Capitale-Nationale, in the province of Quebec, Canada. It protects a yellow birch to fir who is over . It is located in zec Batiscan-Neilson.
The Rivière-Chézine old forest takes its name from the Chézine River (Sainte-Anne River), which borders it on the northeast side. The name of the watercourse, of unknown origin, was noted in 1945.[1]
The Rivière-Chézine Old Forest is located northwest of Quebec, in the municipality of Saint-Gabriel-de-Valcartier.[1] It has an area of .[2] The forest is located in a mountainous region interspersed with deep valleys with steep slopes. The forest itself is located on an escarpment exposed to the east with medium to steep slopes. The soil, usually till is deep, well-drained soil. The forest is bordered to the northeast by the Chézine river.[3]
The forest is located in zec Batiscan-Neilson.
The old forest of Rivière-Chézine is a forest mainly dominated by the yellow birch (Betula alleghaniensis). Since it is a species susceptible to water stress, oblique drainage probably favored its growth. The average age of the trees is around, but the dominant trees are over and something like of diameter. A yellow birch even exceeds and has a trunk of in diameter. The forest also has many characteristics of old-growth forest, such as an irregular structure, woody debris on the ground, chicot s and trees with imposing diameters.[3]
The shrub layer, we especially observe the maple with ears of corn (Acer spicatum ), which is accompanied by the viburnum antlers (Viburnum lantanoides) elderberry (Sambucus racemosa), Balsam fir (Abies balsamea) and gadellier lacustre (Ribes lacustre). The herbaceous layer is occupied by ferns of the genus Dryopteris sp., The beech beetle (Phegopteris connectilis), the mountain oxalid (Oxalis montana) and pubescent bramble (Rubus pubescens).[3]