Grammage is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets. However, the mass specified is not the mass of the ream that is sold to the customer. Instead, it is the mass of the uncut "basis ream" in which the sheets have some larger size (parent size). Often, this is a size used during the manufacturing process before the paper was cut to the dimensions in which it is sold. So, to compute the mass per area, one must know The standard dimensions and sheet count of a ream vary according to the
Ream National Park habitats of the park include lowland evergreen forest, melaleuca forests, and mangrove forest. Despite all this, the National Park is a substantial local economic resource. Almost 30,000 people or 5,500 households live in the five communes that overlap or border Ream National Park, and population growth rates are estimated at nearly 3%. Four of these communes are located on the boundary of Ream, and a total of 13 villages have land lying within the Park’s boundaries. A wide range of groups and individuals have converging and diverging interests or stakes in the park’s resources. Park authorities have to deal daily