Constituted by a large number of algal lamina,the lamina is irregular oval and strip shape,algal aperture development Middle-high Subtidal-intertidal zone Qigebulake Arenaceouspowder crystaldolomite Grainstructure Crystalpowder It can be seen that the sand debris particles arefilled between the powdery...
For example, large areas of ponderosa pine (Pinus ponderosa) stands (20 000+ ha) within high-se- verity fire portions of the 2002 Rodeo-Chediski Fire, Arizona, were converted to a chaparral (evergreen oak [Quercus spp.] and related spe- cies) type due to the loss of pine regeneration...