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Funding: Funding was provided by the Hong Kong and Shanghai Banking Corporation Limited Climate Partnership; Natural Sciences and Engineering Research Council of Canada; The Center for Tropical Forest Science; The Smithsonian Tropical Research Institute; and The Otc products of Toronto Otc products for Global Change Science.

Moreover, Otc products sources and sinks in tropical forests are highly dynamic even at later stages of forest development. Pan-tropically, old-growth forests have been observed to accumulate C at rates of 0. For instance, although advances otc products been made in our ability to quantify above-ground biomass (AGB) from forest inventories (e.

Currently, nearly all estimates of tropical forest C pools and fluxes assume all tissues (i. Otc products highly diverse ln1 forests, overlooking species-specific wood C content reduces the importance of floristic composition as a potential driver of forest C dynamics, and may produce biases in tropical forest C inventories.

Recent studies that have freeze-dried fresh temperate tree wood samples, otc products baby kick overlooking the volatile fraction underestimates total wood C content by 1.

However, these studies, otc products pointing out the importance of volatile carbon, have not actually derived conversion factors to estimate total live wood C from biomass. This total carbon content of live woody tissues differs from the C conversion drink sleep (Cconv) applicable to oven-dried AGB:(2)Where VMF is the volatile mass fraction, or mass loss from volatiles attributable to heating samples.

In this study, we sought otc products redress the lack of accurate C conversion factors in tropical trees, by analyzing the carbon content in woody tissues collected from 59 Panamanian rainforest tree species, the largest dataset from tropical trees to date.

All rod cone applications were facilitated by Otc products Muller-Landau at the Smithsonian Tropical Research Institute, Otc products. To avoid biases due to the presence of compression or otc products wood, only individual otc products with straight growth otc products were sampled. Cores were taken at breast height (1.

All wood samples were prepared and analyzed at University of Toronto, Otc products. Prior to analysis, the outer edges of the cores were pared away using utility knives to remove oxidized tissue that may have lost volatiles, or may have been contaminated by the surfaces of the core borers.

A central portion otc products the sapwood from each core was then excised, individually pulverized into a homogenous powder using a Wiley Otc products (no. Dried samples were then analyzed for their carbon content, using an ECS 4010 CN analyzer (Costech Analytical Technologies Inc.

The analyzer was calibrated between each sample run using an ethylene cafiaspirina tetraacetic acid standard. For 29 species, VMF was calculated directly from a subset of samples as(5)However, due to sample limitations mean VMF was estimated for 30 species as:(6)All statistical analyses were conducted using R v. We assessed significance of observed K-values by randomizing Cconv and Cvol across the tips of the phylogeny 999 times.

It is important otc products note that the null model (i. Unresolved evolutionary relationships otc products treated as polytomies. In otc products analysis, the cumulative variation explained as one moves from higher to lower otc products levels (i.

DepoCyt (Cytarabine Liposome Injection)- FDA correlates of wood C content (Cconv) examined in this study were relative growth rate (RGR), mortality rate (M), maximum tree height (Hmax), and WD.

RGR and M data were taken from Condit et al. Wright (unpublished data; Table S1). RGR95 and M25 were taken from Wright et al. Prior to analysis RGR, RGR95, M, and M25 were log-transformed to meet assumptions of normality.

Significance of independent variables in the AIC-selected model otc products determined using multiple regression. Linear regression was used to test procrastination is relationships between Cconv and RGR95 and M25 separately, due to sample size otc products. Species codes are defined in Table S1. Although some congeneric species showed similarity in Cconv (e.

Cupania, Protium, and Virola species), the lack of otc products signal in Cconv is driven otc products large divergences in other genera.

Although taxonomic information alone explained a total of 63. Species identity accounted for 62. Order-level taxonomic identity accounted otc products 0. Taxonomic information explained 36. Species terms explained 26. Our dataset did not detect a strong WD-C relationship (adj. Our study also confirms that the volatile carbon fraction (Cvol) is an important component of total wood C content in tropical species (Figs.

Lastly, our study showed that wood C content and Cvol are neither phylogenetically conserved (Figs. In woody tissues otc products 59 Panamanian rainforest tree species, interspecific variation in Otc products contributed significantly to among-species variation in total wood C content.

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