Wildlife habitat improvement 394 Unknown (not specified) 337 Fuels reduction 326 Noxious weed control 163 Restoration 139 Brush control 81 Watershed development 66 Wildland urban interface 54 Erosion control 54 Experimental project 54 Timber harvest 47 Other 46 Hazard reduction 39 Invasive plant control ...
quantitatively confirms the historically described timber scarcity in the lowlands of Switzerland, while the positive correlation between climate indices and our pollen-inferred cereal production suggests a certain vulnerability of societies to subsistence crises. From the 1850s, urbanisation rapidly altered t...
By integrating vegetation change tracker (VCT), spatial analysis (SA), and random forest regression (RF), the spectral-temporal patterns of forest stand age were mapped for three typical plantations in Southern China. The spectral-temporal distribution of age structure indicated that the plantation ...
In the 1950s, trees were still felled for timber here and no individuals over 5 cm diameter were found. With a mean height of 8.6 m and a mean diameter of 19.1 cm, this forest has recovered substantially since then. 3.7. Forest on the higher, moist slopes M3: The plot on the higher...
In 2006, the Umatilla National Forest decision to salvage log on 3818 ha total, including three timber sales on 1486 ha, was appealed. In 2007, the salvage logging prescriptions were changed so that no living, fire-damaged trees with more than 50 % of their basal cambium living were ...
aan area managed for the production of timber and other forest produce,or maintained under woody vegetation for such indirect benefits as the protection of watersheds,the provision of recreation areas or the preservation of natural habitat 正在翻译,请等待... ...
In the semi-arid plains of Southern India, outside the protected area network, sacred groves forests and the barren lands invaded by Prosopis juliflora are reckoned to be the major greenery, but have homogenous and heterogeneous vegetation respectively.
crosscutting approaches linking remote sensing, forest modeling and field inventories demonstrated potential avenues for implementing spatial habitat heterogeneity and functional diversity in model based projections34and remote sensing approaches35. For instance, implementation of functional trait diversity in ...
To constrain the area of interest without removing potential aspen habitat, we set the lower elevation limit to 1450 m in the northern two-thirds of the study area and 1900 m in the arid southern portion based on observations of historical and regional vegetation maps (Davidson et al., 2009...
Foothills Natural Subregions had the most complex vegetation structure, and wildfire was the most prevalent disturbance agent for all classes except for the rarest class (i.e. stands with high standard deviations of height and low canopy cover) which was more heavily altered by timber harvesting. ...