Logging Efficiency and Quality of Logging Waste in a TropicalMountainous Forest: Case study in the Licency Natural ForestConcessionary of PT. Roda Mas Timber Kalimantan

Improvement of forest management and logging techniques result in increasing of logging efficiency and reducing wood waste. The research results showed that the average of the logging efficiency in PT Roda Mas Timber Kalimantan is 91.41% with various for flat, sloping, rather steep, and steep topographies 90.22%, 91.75%, 90.91% and 90.03% 33 respectively. The average of logging waste is about 1.395 m /tree in which 0.357 m /tree (25,58%) in posses good quality. The average of logging waste is 1.395 m /tree, which consists of 0.357 m /tree (25.58%) of good quality; 0.610 m /tree (43.77%) with natural defect condition, and about 0.428 m /tree (30.65%) of the poor quality.