Stand age, defined in terms of Pacific Northwest forests, is not necessarily the best criterion for identifying for conservation mangrove forests or any forest outside the Pacific Northwest. No single stand will have all old-growth characteristics, and even if they are present in a stand, these...
网络释义 1. 天然林 「富裕国家的原生天然林(old-growth forests)与其他野生生物逐渐恢复生机,或者因为农地的缩减而受益良多,斯堪地纳维 …mypaper.pchome.com.tw|基于3个网页 例句 释义: 全部,天然林 更多例句筛选 1. And with the increasing pressure to reduce and discontinue the use of old growth ...
Most old growth forests in the Lower 48 states were logged during the past two centuries. Previous protections for older trees have come indirectly, such as the “roadless rule” adopted under former President Bill Clinton in 2001 that blocked logging on about a quarter of ...
An area of old-growth forests in California, Oregon, and Washington has declined significantly in the second half of the 20th century. The report summarizes available information on old-growth forest area by ownership in California, Oregon, and Washington. Old-growth definitions used by the various...
Spotted owls(斑点猫头鹰) live in old-growth forests in the western United States and act as an indicatorspecies, a measure of the biological health of_1_ area, for public land management.The species is_2_(particular) allergic to logging, and the northern subspecies of spotted owl 3_(list)...
Once defined, estimating the area of mature and old-growth forest presents challenges. The only comprehensive, consistent field data of US forests is theForest Inventoryand Analysis (FIA) network of >140,000 forested plots. While the 0.067 ha sample area of FIA plots limits the number of struc...
2012. Governing old-growth forests: the interdepen- dence of actors in Great Bear Rainforest in British Columbia. Soc Nat Res Int J. 25:900-914.Raitio, Kaisa, and Heli Saarikoski. 2012. "Governing Old-Growth Forests: The Interde- pendence of Actors in Great Bear Rainforest in British...
“The people in Fairy Creek are not coming down out of the trees until there is legislation passed that stops old-growth cutting,” one protestor says. Beneath the towering yellow cedars and Douglas firs of a west coast Canadian rainforest, police and pr
have large diameters. In actuality, old-growth forests are made up of trees of differing sizes and shapes. The characteristics of different tree species—such as longevity and maximum height and width—that make up a given forest determine whether that particular forest is defined as old-growth....
Old Growth Urban Forests (Springer Briefs in Ecology)doi:10.1080/03071375.2012.729374Ian D. RotherhamArboricultural Journal: The International Journal of Urban Forestry