00746nam a2200169Ia 450000500170000000800410001702000220005804100080008008200100008810000160009824500530011426400290016730000190019652003410021565000060055665500140056220260914083140.0260914s9999    xx            000 0 und d  a978-0-7166-1400-5  aeng  a333.91 aBOOK, World10aLiving Green : Mountain, Deserts, and Grasslands  aCanadabWorld Bookc2009  a64 hlm.c25 cm  aGeneral overview of mountain, desert and grassland ecosystems, including and exploration of disturbances these ecosystems face due to human interference and climate change; and current conservation and reclamation efforts. Features include fact boxes, sidebars, activities, glossary, list of recommended reading and web sites and index. 4a0  aGrade 7-9