They include savannas, deciduous forest, marshlands, and mangrove woodlands. The Great Salt Lake is separated from Salt Lake City by extensive marshlands and mudflats. Karachi is built on coastal plains with scattered rocky outcroppings, hills and coastal marshlands. The ecologically rich habitats traditionally included meadows, marshlands, and rivers. Marshlands and wetland permafrost cover (mostly in northern, western and southwest flatlands). Karachi is built on a coastal plains with scattered rocky outcroppings, hills and coastal marshlands. Varied, including open woodland, prairie, farmland, pastures and marshlands. It is predominantly forested except for marshlands in the north. The extensive marshlands and bogs that surrounded it made attacks upon it difficult. These levees made thousands of acres of fertile marshlands available for agricultural production. These levees opened up thousands of acres of highly fertile marshlands for agricultural production. The marshlands, mostly uninhabited, are to the north. Falcons were used in open fields while hawks were used in marshlands and woodland. They also fished and clammed in the surrounding marshlands and waters. Much of this county is made up of marshlands, forest, and farmland.