Desert greening desiccating winds and the invasion of sand. The Rajasthan Canal system in India is the major irrigation scheme of the Thar Desert and is intended to reclaim it and to check spreading of the desert to fertile areas. Prevention of shifting sand dunes is accomplished through plantations of "Acacia tortilis" near Laxmangarh town. There are few local tree species suitable for planting in the desert region and these are slow growing. The introduction of exotic tree species in the desert for plantation has become necessary. Many species of Eucalyptus, Acacia, Cassia and other genera from Israel, Australia, US, Russia, Zimbabwe,
Desert National Park is one of the last sites in which this species can be found in good numbers. As such, the species draws in thousands of birdwatchers from all over the world. In addition to the great Indian bustard, the park supports a variety of other birds of interest to birdwatchers and conservationists alike. The Thar Desert, often called an 'ocean of sand', covers a large area of western Rajasthan. The fragile ecosystem of the Thar supports a unique and varied wildlife. In this vast ocean of sands lies the famous Desert National Park, which provides an excellent example of the ecosystem