Incense Route – Desert Cities in the Negev Incense Route – Desert Cities in the Negev Incense Route – Desert Cities in the Negev is a World Heritage-designated area near the end of the Incense Route in the Negev, southern Israel, which connected Arabia to the Mediterranean in the Hellenistic-Roman period, proclaimed as being of outstanding universal value by UNESCO in 2005. The trade led to the development of ancient towns, forts and caravanserai en route, apart from agricultural development. Four towns in the Negev Desert, which flourished during the period from 300 BC to 200 AD, are linked directly with the Mediterranean terminus of both the Incense
Mojave Desert needed for survival in the flora of the Sonoran Desert, which has an overlap in its major flora, such as the creosote bush ("Larrea tridentata"). The soil types in the Mojave and Sonoran deserts are mostly derived from volcano, specifically the areas in California. As the topography goes down, particle sizes decreases as you move down the gradient, where you can also find low alkalinity. These erosional gradient is a habitat for many plant communities. As you go up the gradient of the desert, you will find more pediment and alluvial fan soil. In this areas, the flora is mostly