THE Eucalyptus sp. AGE PLANTATIONS INFLUENCING THE CARBON STOCKS

<span class="hps"><span lang="EN"><a>http://dx.doi.org/10.5902/198050989279<br /></a><br />The tree growth</span></span><span lang="EN"> <span class="hps">and</span> <span class="hps">biomass accumulation</span>, as well <span class="hps">as the maintenance of</span> <span class="hps">forest</span> <span class="hps">residue</span> at<span class="hps"> the soil surface</span> <span class="hps">can act</span> <span class="hps">in the</span> <span class="hps">removal of</span> <span class="hps">carbon from the atmosphere</span> <span class="hps">through</span> <span class="hps">the cycling process</span> <span class="hps">of plant material. The objective </span></span><span lang="EN-US">was to study </span><span class="hps"><span lang="EN">the influence of</span></span><span lang="EN"> <span class="hps"><em>Eucalyptus</em></span> <span class="hps">sp</span>. Plantations <span class="hps">with 20,</span> <span class="hps">44</span> <span class="hps">and 240</span> <span class="hps">months of</span> <span class="hps">age on</span> <span class="hps">the variation</span> <span class="hps">of carbon</span> <span class="hps">in soil and</span> <span class="hps">biomass. The</span> <span class="hps">carbon in the soil</span> <span class="hps">depth</span> <span class="hps">was determined</span> <span class="hps">by</span> <span class="hps">CHNS</span> <span class="hps">auto-analyzer</span> <span class="hps">and carbon</span> <span class="hps">in the vegetation</span> <span class="hps">was determined by the</span> <span class="hps">biomass</span> <span class="hps">in each forest</span>, considering <span class="hps">a</span> <span class="hps">factor of</span> <span class="hps">0.45</span> <span class="hps">of the dry mass</span>. <span class="hps">We determined</span> <span class="hps">the density and</span> <span class="hps">particle size distribution</span> <span class="hps">of soil.</span> <span class="hps">For the comparison between</span> <span class="hps">plantations</span>, there was <span class="hps">analysis of variance</span> <span class="hps">and comparison of means</span> <span class="hps">of carbon</span> <span class="hps">in vegetation and</span> <span class="hps">soil,</span> <span class="hps">considering the</span> <span class="hps">5% level</span> <span class="hps">of probability.</span></span><span lang="EN"> </span><span class="hps"><span lang="EN">The carbon content and</span></span><span lang="EN"> <span class="hps">stock in the soil</span> <span class="hps">were low,</span> <span class="hps">indicating that</span> <span class="hps">a</span> <span class="hps">natural feature</span> <span class="hps">of the category</span> <span class="hps">of Paleuldt,</span> <span class="hps">or</span> <span class="hps">the growth of</span> <span class="hps">eucalyptus forests</span>, replacing the field <span class="hps">native vegetation did not aggregate</span> <span class="hps">a</span> <span class="hps">significant increase in the</span> <span class="hps">carbon.</span> A<span class="hps">lthough, there was</span> <span class="hps">a</span> <span class="hps">significant increase</span> <span class="hps">carbon</span> <span class="hps">in</span> <span class="hps">aboveground biomass.</span> It includes <span class="hps">forest biomass</span> <span class="hps">and</span> <span class="hps">litter</span>. <span class="hps">So,</span> <span class="hps">despite the values ​​of</span> <span class="hps">carbon stocks</span> are<span class="hps"> low,</span> <span class="hps">it</span> <span class="hps">identified a greater</span> <span class="hps">average total</span> <span class="hps">in the soil</span> <span class="hps">compared</span> <span class="hps">to the stock</span> <span class="hps">aboveground.</span> <span class="hps">Furthermore</span>, this increase aboveground (tree and litter compartments) can be considered significant between the eucalyptus plantations of different ages.<br /></span>

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