[PDF] Top 20 Seedling growth of fifteen Brazilian tropical tree species differing in successional status

... (Seedling growth of fifteen Brazilian tropical tree species differing in successional ...status). Growth of seedlings ... See full document

... pathlength of radiation within the leaf and thereby increase the probability of its absorption by photosynthetic pigments, can not be ...increases in PAR absorbance in these species, an ... See full document

... known in Brazil as “Aroeira”, is an arboreal species highly used for its commercial and pharmacological ...value in the timber market, this species lacks studies analyzing the recovery time ... See full document

... and tree ferns in protected and non-protected areas, in order to find indicator ...located in Vale do Ribeira, southeastern São Paulo state, Brazil. One of the areas is under two ... See full document

... environment. In tropical forests the radiation, which reaches the forest floor under the canopy is only 1 – 3% of the total radiation above the canopy (Chazdon, 1988; Clark et ...So, growth ... See full document

... tions in gap than in understorey conditions (Figure 3) caused by higher stomatal conductance fluctuations (Figure ...values of transpiration (Ei) were remarkably higher in November than ... See full document

... differentiation of the neotropical tree species Protium spruceanum ...corridors in Brazilian Atlantic forest). We studied patterns of genetic differentiation in a ... See full document

... proportion of linoleic acid (C18:2) than the recalcitrant seeds, in which the predominant fatty acid was the linolenic acid ...saturation in the phospholipids and higher phase transition temperature ... See full document

... capacity of this type of propagule varies according to species, age of the parent plant, climatic conditions at the time of application, and the effect of the use of plant ... See full document

... restoration in the ...re-establishment in the middle Uruguay River Basin (authors’ personal ...by Brazilian environmental laws (CONAMA Nº ...costs of forest restoration (MEDRADO, 2000) and ... See full document

... respiration in tobacco callus (Wen & Liang ...mutagenic in several organisms, including plants and animals (Raicu and Mixich 1992, Grant & Salamone 1994, Al-Qurainy, 2009, Gruszka et al ...reported ... See full document

... ongoing species loss. In this scenario, species loss in the SNF will continue until a new equilibrium is reached between extinction and reduced immigration ...explications of the ... See full document

... availability of CO 2 within the mesophyll, thus reduces the rate of photosynthesis (Filella et ...is in accordance with other studies that demonstrated that stress-tolerant spe- cies maintained high ... See full document

... (2001), species can disperse, acclimate, adapt or become extinct in response to climatic ...occurrence of the three focal species in present climatic scenario can become reduced and/or ... See full document

... effects of forest management practices on plant species diversity is important for achieving ecologically sustainable forest management (Banda et ...results of this study indicated the tree ... See full document

... associations of plant species may provide valuable insights into processes and mechanisms that maintain species ...patterns of twenty dominant tree species, their interspecific ... See full document

... variations in seedlings growth/ uniformity ratios for composition of the overall vigor index parameter were evaluated to verify what proportion would provide best results (Figure ...the ... See full document

... do status hídrico interno da planta, enquanto o crescimento em diâmetro é dependente da presença da chuva e da assimilação de carbono, que ocorre apenas após a expansão dos ramos e produção de novas ... See full document

... plant species: Araucaria angustifolia, which represents more than 40% of the individual ...type of forest is poor in bamboo and vine tangles, but rich in ...found in the DF, and ... See full document

... mounted in Entellan®. This double staining can indicate the presence of cellulosic and lignified cellular walls (Kraus et ...1998). In addition, the following histochemical tests were applied: Sudan ... See full document