凝视 发表于 2025-3-23 13:34:49
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Biochemistry of Amazonian Floodplain Treesophyll, decrease of photosynthetic rates, carbohydrate translocation, and alteration of the hormonal balance. Floodplain trees develop as well protection mechanisms which can diminish damages caused by the long lasting annual hypoxia or even anoxia. Although the majority of woody plants can supportESO 发表于 2025-3-23 21:32:14
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Morphology and Anatomy of Leavesite the long periods of waterlogging or complete submergence in darkness. Leaf structure does not reflect the extreme environmental conditions to which trees in Amazonian floodplains are subjected. No patterns could be detected of a relationship of leaf functional traits with flooding intensity and散布 发表于 2025-3-24 08:46:57
Gas Exchange and Photosynthesisnhances stomatal conductance, leaf water potential and net photosynthesis, especially under conditions leading to high air-vapour pressure deficits. The tree species developed a high diversity of adaptive strategies, with tight regulation of water and carbon relations under severe soil-oxygen deficiFabric 发表于 2025-3-24 10:47:30
Sap Flow and Stem Respiration and not significantly reduced by the onset of flooding as long as the main foliage was present. In contrast evergreen species had through all seasons constant sap flux rates. In comparison to other studies in tropical and temperate trees, the conductive area estimated for várzea trees is considerabNucleate 发表于 2025-3-24 16:06:03
Fruit and Seed Chemistry, Biomass and Dispersal because a high investment of the parent tree into seed reserves guarantees fast initial growth. This can be crucial in an environment with a flood amplitude exceeding 10m. Time for seedling establishment in the non flooded terrestrial period is reduced to few months or weeks. For a fast and well ti古代 发表于 2025-3-24 22:57:46
Seed Germination and Seedling Establishment of Amazonian Floodplain Trees highly flooded low-várzea tree species are well-adapted to tolerate the seasonal inundations, while seedlings from low and irregularly flooded high-várzea tree species are poorly-flood adapted thus reacting very sensitive to flood pulse variations.锉屑 发表于 2025-3-24 23:25:42
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