( 1991 ) Lightning-ignited forest fires in northwestern Ontario . Canadian Journal of Forest Research , 21 , 277 – 287 .Flannigan, M.D. and Wotton, B.M. 1991 . Lightning‐ignited forest fires in northwestern Ontario.. Can. J. For. Res. , 21: 277–287....
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2022). However, seedlings are vulnerable to high intensity fire as well as competition for resources, making their regeneration and productivity in early developmental stages dependent on lowintensity fires to control competing vegetation and to maintain canopy gaps that facilitate light transmittance to ...
The supply of timber from a forest will be affected by harvesting activities as well as natural disturbances (insect outbreaks, fires, etc.). These reductions in forested area, growth, and quality will undoubtedly affect the sustained yield from a forest (Runyon, 1991). Although simulation ...
Langley, B.C.—In a business environment where some companies are finding it difficult to obtain Cedar lumber due to union strikes, forest fires, and floods, West Bay Forest Products and Manufacturing Ltd. has managed to turn such difficulties into a strength. "Creating a diverse Cedar supply...
ponderosa) in the western USA. In Europe, the damage to Norway spruce (Picea abies) in the area between the northern Czech Republic, south Poland, and southeast Germany due to sulfur dioxide (SO2) is the most widely known example. In several other cases, air pollution was suspected to be...
The forest department in Bhavnagar said that 121 of them were injured.包纳加尔林业部门称共有121只鸟受伤。 Painted storks are not new to ... 分享11赞 前程百利吧 ls0414 新GRE填空三空题举例分析Burning also influenced forest composition in the tropics, where natural fires are rare. An example ...
Lightning-ignited forest fires in northwestern Ontario. Canadian Journal of Forest Research 21:277-287.Flannigan, M. D. and Wotton, B. M.: Lightning-ignited forest fires in northwestern Ontario, Can. J. For. Res., 21(3), 277-287, 1991....
Northern Dry Africa 0.1 Western and Central Africa 0.6 South SE Asia and Pacific 0.7 Central America and Mexico 0.3 South America 1.5 Other regions 0.2 Tropical and temperate Global 2010–2100 0.09–2.0* 5–100 2010 Sathaye et al. (2006) Forestation Tropic Global 2020–2050 0.2–0.5* 20–50...
(2003). Spatial patterns of lightning-caused forest fires in Ontario, 1976-1998. Ecological Modelling, 164, 1-20.PODUR, J.; MARTELL, D.L.; CSILLAG, F.; 2003. Spatial patterns of lightning-caused forest fires in Ontario, 1976-1998. Ecol. Modelling. 164: 1-20....