labyrinth
发表于 2025-3-30 08:56:32
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主讲人
发表于 2025-3-30 12:23:36
,Man’s Historical and Traditional Use of Fire in Southern Africa,r of reasons, frequently and intentionally set fire to almost all the vegetation around them which would burn.” (Stewart 1963). The purpose of this chapter is to examine the role of such fires in southern Africa in the broader context, beyond its use in modern commercial farming systems and land management.
昆虫
发表于 2025-3-30 17:42:13
Fire in Forest,evere droughts do occur, albeit infrequently (Schulze and McGee 1978). If, however, a comparison is made between the present occurrence of forest and these bioclimatic zones, it appears that very little of this potential is actually realized (Huntley, this volume, chapter 1).
Prostatism
发表于 2025-3-30 21:39:49
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约会
发表于 2025-3-31 04:40:27
Concluding Remarks. Fire Research - A Perspective for the Future,umstances of fairly narrow management objectives and of familiarity with a specific ecological system. I believe the preceding chapters will have dispelled the notion that fire as an ecological factor is well understood.
取消
发表于 2025-3-31 06:30:50
Characteristics of South African Biomes,or this reason the National Programme for Environmental Sciences has followed the tradition initiated in the International Biological Programme in developing its activities within the major biomes of South Africa.
全国性
发表于 2025-3-31 13:10:15
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反复无常
发表于 2025-3-31 15:07:10
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