FIGURE 6.7 Photo Essay: Human Impacts on the Biosphere in North Africa and Southwest Asia War and water scarcity have resulted in major impacts on the biosphere in this region. The growth of population promises to increase these stressors on ecosystem. 6.7a Courtesy Nicolas Thibaut/Photononstop/Getty Images, 6.7b Courtesy Gilles Bassignac/Gamma-Rapho/Getty Images, 6.7c Courtesy Jason Larkin/arabianEye/Getty Images, 6.7d Courtesy Marwan Ibrahim/AFP/Getty Images