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Paphiopedilum and Cypripedium are close relatives in the subfamily Cypripedioideae. Cypripedium leaves contain guard cell chloroplasts, whereas Paphiopedilum do not. It is unclear whether the lack of guard cell chloroplasts affects photosynthetic induction, which is important for understory plants to utilize sunflecks. To understand the role of guard cell chloroplasts in photosynthetic induction of...
This author firstly reviewed the analysis of the social welfare effect for forest certification under the partial equilibrium, then based on the general equilibrium analysis's angle, full considering forest certification's environment benefit situation, the author has analyzed the forest certification social welfare effect by the neoclassic model, and pointed out that so long as the gains by the trade...
Forest certification has become an effective tool for forestry products green procurement, which has run in every country in the world, the paper analyzed the policy game between the two-country simple model, the rich forest resource countries and the scare, the two countries' enterprises competition model, and obtained the different gaming result based on the different condition in countries and...
Paphiopedilum and Cypripedium are closely related in phylogeny, but have contrasting leaf traits and habitats. To understand the divergence in leaf traits of Paphiopedilum and Cypripedium and their adaptive significance, we analyzed the leaf anatomical structures, leaf dry mass per area (LMA), leaf lifespan (LL), leaf nitrogen concentration (Nmass), leaf phosphorus concentration (Pmass), mass-based...
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