ALAMGIR taj

E. Major  threats  to  Desert Biomes :   In  some  cases global warming  is  predicted to  increase the area  of  deserts.  Human activities  such as  firewood  gathering  and  the grazing  of animals  are also converting  semiarid  regions  into deserts,  a  process  known as  desertification.  Irrigation  used for  agriculture,  may  in the  long  term,  lead  to salt  levels  in  the soil  that  become  too  high  to support plants.  Off-road  vehicles, when used irresponsibly, can cause irreparable  damage  to desert habitats.  Sandstorms  from  deserts are now increasing.  This  is harmful  because the  dust particles  in the air  from  these storms  are small  enough  to  enter  your ...