onlooker
发表于 2025-3-23 13:27:13
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克制
发表于 2025-3-23 17:50:56
Secondary successions,ecies other than those previously present commonly establish and occupy the gaps. If, as frequently happens, the invaders comprise species showing wide variations in longevity, pronounced changes will occur in the composition of the vegetation as shortlived species die, and the new gaps are re-occupied, while longer-lived species remain.
Ringworm
发表于 2025-3-23 19:30:29
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BLUSH
发表于 2025-3-24 01:44:34
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Neutral-Spine
发表于 2025-3-24 05:50:31
Processes of vegetation change,ompetition, (5) site modification (or reaction), (6) stabilization at the ‘climax’. With the probable exception of stabilization, and a considerable reduction in emphasis of the role of site modification, which Clements saw as the main driving force of a succession after its initiation, this is stil
Narrative
发表于 2025-3-24 07:58:55
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Commonwealth
发表于 2025-3-24 12:09:22
Primary successions,, as certain successions could fit either category. The former occur on new, previously unvegetated bare areas, the latter where a previous vegetation cover has been disturbed or disrupted in some way, as by ploughing, fire or changing grazing pressures. It was also noted earlier (Sections 1.3.2 and
马具
发表于 2025-3-24 16:41:20
Secondary successions,at ensue when a patch of vegetation suffers gross disturbance such that many or all of the individual plants present are killed. When this happens, species other than those previously present commonly establish and occupy the gaps. If, as frequently happens, the invaders comprise species showing wid
BLA
发表于 2025-3-24 21:02:13
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PON
发表于 2025-3-25 03:09:32
Concluding remarks, self-regeneration, the life-cycles of dominant species, variations in climate (year-to-year or over longer periods), evolutionary developments, and gross disturbance to existing vegetation or the exposure of ground by natural physiographic processes (when succession results). These changes occur co