Blida

Containing the barn national law on inherited natural neighborhood is estimated at 70 in 1358, including the type of neighborhood type is protected.

At the plant
The 794-level vegetation countless type divided into 08 units of plant:

Unit rice: It occupies the places located between 1300 m and 1625 m on the sea level, is located in the class very humid climate and covering about 1,200 hectares.
Unit oak (oak): Okhias or forest cover along the 896 meters at heights ranging between 800 and 1500/1400 meter area with the exception of the law and this unit covers an area of ​​10,000 hectares.
Unit cork oak: a forest of cork in the barn national law exists in the form of bouquets scattered on small plots spread over the northern highlands of the interface.
Unit Aleppo pine: occupies an area of ​​7000 hectares.
Unit Beech: confined to the jungle on this site are limited to remember at the level of the existence of distinct wet stations giant ferns.
Unit Aleppo pine and Alsndrick: This unit will be in the form of many forests punctuated Aleppo pine, and this unit is considered an exception and unique as they represent the eastern end of this forest.
Vacant land: land is bare lands along Mguetat grass.
Unit aquatic plants
Characterized this unit mainly the existence of groups of plant on the banks of the valleys, we remind oleander, facilitator, that plant diversity of the barn national law represents 25.8 percent of the wealth National Botanical, which is made ​​up of 88 families plant, the most important Bakolaa, cereal 0.170 plant species medical .26 kind of orchids, and the barn is a national law 15 type botanically protected.
At the Animal

Contain livestock barn national law in the House of Commons on the 564 type (including 55 animal species protected), distributed as follows: 25 species of mammals most important Monkey Maghreb 121 species of birds, most notably eaters carrion (Eagle, Ashb and punishment), 358 species of insects .06 Many legs, 02 crustaceans, 01 annular, this animal inherited includes 19.08 percent of the national animal wealth.

With regard to birds, this wealth at the level of the barn national law consists of 35 families, the most important: 10% of Alzeryat 0.05% Bomyat, Alhamamyat of 3.5%, 3.5% of Alkhtaviac.

The classification according to the diet, these birds are classified into: 54% of the insect eaters 0.19% of herbivores is 0.18% of the carnivore 0.19% of the grain eaters 0.02% of the carrion eaters 0.01% continent, while the external appearance by Category Vensnf barn birds to 73 percent of migratory birds 0.47 percent birds continent.