南非硬叶植物的光合特性。
Photosynthetic characteristic of South African sclerophylls.
作者信息
Mooney H A, Field C, Gulmon S L, Rundel P, Kruger F J
机构信息
Department of Biological Sciences, Stanford University, 94305, Stanford, CA, USA.
Department of Biology, University of Utah, 84112, Salt Lake City, UT, USA.
出版信息
Oecologia. 1983 Jun;58(3):398-401. doi: 10.1007/BF00385242.
Sclerophyll shrubs of the South African mountain fynbos have leaves similar in structural and physiological properties to leaves from evergreen shrubs of other mediterranean-climate regions. These leaves have relatively low photosynthetic capacities (<14 μmol CO m s), and are light saturated at relatively low photon irradiances (<1.0 mmol m s). They have broad temperature responses of photosynthesis, moderate water-use efficiencies (∼0.003 mol CO/mol HO), high specific weights (∼200 g m) and low nitrogen contents (∼10 mg g).
南非山地硬叶灌木群落的硬叶灌木，其叶片在结构和生理特性上与其他地中海气候地区常绿灌木的叶片相似。这些叶片的光合能力相对较低（<14 μmol CO₂ m⁻² s⁻¹），在相对较低的光子辐照度（<1.0 mmol m⁻² s⁻¹）下就达到光饱和。它们的光合作用具有较宽的温度响应范围，水分利用效率适中（约0.003 mol CO₂/mol H₂O），比重较高（约200 g m⁻²），氮含量较低（约10 mg g⁻¹）。
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