Ustyurt State Nature Reserve is included in the List of subsoil areas of special ecological, scientific, cultural value, classified as specially protected nature areas of national significance. "Kendirli Spring" is included in the list of hydrogeological objects of the state nature reserve fund of national and international significance. Ustyurt Nature Reserve includes unique geological, paleontological and archaeological sites, is a key habitat for a number of species listed in the Red Data Books of different levels (gazelle, urial, caracal, saker falcon, golden eagle, owl, houbara, etc.). In addition, this area is planned to be assigned with the status of World Natural Heritage by UNESCO. In accordance with the environmental legislation of the Republic of Kazakhstan, the status of State Nature Reserve allows the introduction of reserve status with complete prohibition of economic activity.

In the immediate vicinity of the Ustyurt Nature Reserve, there is Kenderli-Kayasanskaya state conservation area in the territory of which geological study, exploration of mineral resources are permitted in coordination with the competent authority subject to the special environmental requirements established by the Environmental Code of the Republic of Kazakhstan.

At the territory of "Kokzhide-Kumzhargan" reserve there are 2 objects of the state natural reserve fund of republican significance:

Sands of Kokzhide is a geological object of national significance, which has a special ecological, scientific value. Sands is a unique reservoir of groundwater deposit;

Groundwater of Kokzhide field is hydrogeological object which has special ecological, scientific value, as the largest place in the Western Kazakhstan and a unique drinking water field of groundwater.

North Caspian water zone is unique in terms of biological and commercial value of fish fauna, especially of sturgeon species. North and Middle Caspian is one of the most valuable areas and key points through which annually millions of waterfowl migrate and sometimes of winter bedding and seal breeding. In the late 70-ies of the last century, for the conservation and reproduction of fish stocks of the Caspian Sea, North Caspian preserved area was approved and organized.

Novinsky state reserve with the area of 45.0 thousand hectares was founded in 1967 on the eponymous islands and water area for the protection of wetlands of the eastern part of Volga delta at the border between Kazakhstan and Russia. The reserve protects rare species of plants: water chestnut, Hindu lotus, Melandrium astrachanicum, white water lily, as well as the representatives of the animal world: muskrat, beaver, Brandt's hedgehog, 27 bird species (pink and Dalmatian pelican, flamingo, whooper swan, little egret, yellow heron, spoonbill, ferruginous duck, etc.). Currently, the territory of the reserve is almost completely under water due to sea level rise.