| 词条 | Forest road |
| 释义 |
Forest roads or forest tracks are roads or tracks intended to carry motorised vehicles or horse-drawn wagons being used mainly or exclusively for forestry purposes, such as conservation or logging. Forest roads may be open to ramblers or mountain bikers depending on local rules. DescriptionForest roads may be tarmacked, gravelled or metalled (using hard core) and often have restrictions on use. In many regions the establishment of forest roads is not only subject to approval under forest management law, but also conservation law.[1] In riparian forest and other especially important conservation areas, forest roads and tracks are generally signed as being out of bounds and/or closed off with barriers. In mountainous regions the situation is more complex. On the one hand, forest roads on steep mountainsides must be wider than on the plains in order to enable vehicles to safely negotiate hairpin bends. On the other hand, the widening of old tracks runs the risk of heavier erosion or landslides. ClassificationForest roads may be subdivided into various classes according to their capacity. For example, in Germany, the key of topographic maps distinguishes between are metalled roadways (Befestigte Fahrwegen), roadways (Fahrwegen), forest tracks (Waldwegen) and footpaths (Fußwegen), the latter not being suitable for forest vehicles. See also
Literature
References1. ^Forstweg in Tyrol retrieved 28 June 2010 External links{{commonscat|Forest roads}}
2 : Forestry|Types of roads |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。