regenerarea $i refacerea arboretelor de stejar cu ... - Editura Silvica
regenerarea $i refacerea arboretelor de stejar cu ... - Editura Silvica
regenerarea $i refacerea arboretelor de stejar cu ... - Editura Silvica
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- <strong>de</strong>terrniniri asupra coefir:ien{ului rle higroscopicitate<br />
- <strong>de</strong>terminiri asupra coeficientului dc ofilire<br />
- <strong>de</strong>terminiri <strong>de</strong> humus<br />
- <strong>de</strong>terminiri <strong>de</strong> hidrogen <strong>de</strong> sc:lrirnlr<br />
- <strong>de</strong>terrniniri <strong>de</strong> baze <strong>de</strong> schimh<br />
* stabilirea capacitir{ii totalc <strong>de</strong> schirnb cationic<br />
- stabilirea graduhli tlc satura[ie ln bazc.<br />
1, STUDIUT, UORFOGETETI(] AI, SOI,III,LTI.<br />
Pddurea Dra_godana situatd,la nord <strong>de</strong> Gi,e,gti, cring -si ds <strong>stejar</strong> [i gorun<br />
<strong>cu</strong> suba,rboret <strong>de</strong> corn si qi ndducel. pdducel,. eu <strong>cu</strong> aconer.iro acoperire 4Oo,/^ 40% rii ,.o,oo rare Llo*on-t. elemenle .1,, tlt<br />
subetaj; jugastru, ulm, sorb, <strong>cu</strong> ind,lfime; <strong>de</strong> 1s-i6 m qi diametrul dc<br />
22 cm. Starea <strong>de</strong> veEetatie vegetalie rea. rea, arboret a,rborei; incremenit, innrprnpnif i,nrrnnhinl trurichiul acoperit q.nnnarif<br />
<strong>de</strong> licleni; uscar,ea urga s--? s--a produs mai mult in apropierea apropierei, marginilor pd,rlurii.<br />
" .sjl, cp.nusiu-d.eryhis <strong>de</strong> pgclzolire se<strong>cu</strong>nd;rd,; infeleniti argilo,i si c.<br />
slabi lileizare in B, <strong>cu</strong> profilul:<br />
{r I ,l crD,<br />
Ar : l-1 - 30 crrt,<br />
un strat sublire dc frunze moarte, <strong>de</strong>s lntrerupt, pe alo<strong>cu</strong>ri <strong>cu</strong> urrne <strong>de</strong><br />
rnocler.<br />
b.'r-ccnusiu, lutos, parliai glorne'ular, s:irac i^ hurnus, <strong>cu</strong> co'crctiuni<br />
[eromanganoase lnici.<br />
cenu<strong>$i</strong>u-brun, <strong>cu</strong> dcse, mir:i qi nete pete rugillii. foarte srirac in hunrus,<br />
foarte slab strtxtturat,<br />
gi rnijlocii.<br />
<strong>cu</strong> numeroase concre(irrni fcrornailglllLoilse lrici<br />
As/li : 30 .l(i eur,<br />
l}t : .11; - 76 c'r,<br />
ccnugiu-gtilbui, <strong>cu</strong> l)etc rnari ruginii.<br />
vine!iu-gl)bui, <strong>cu</strong> pete ruginii. argilos,<br />
llumeroase corrcre! iuni feromarrganoase.<br />
foalte il<strong>de</strong>sat fi compact, <strong>cu</strong><br />
Bz : sub 76 crn, brun-slab r-ine{iu, <strong>cu</strong> petc *tgi1rii, argilos, fo:rrtc l'<strong>de</strong>sat ;i cornpi:cl.<br />
t<br />
Pidurea Lueieni, situat6, la vest rle Tirgovigte, pe l,er,asa Dimbovilei;<br />
codru^<strong>de</strong> gorun .qi <strong>stejar</strong>, <strong>cu</strong> inillimea medie a'e':s m Di diametrut ae<br />
3".-4.0:pi cgnfiften!fl 0,4-0,61 uscare inaintat5, n.rnai cca. 30 ]{, rlin<br />
a,rbori fiind s5,n5,toqi.<br />
Sol brun-porlzolit, intelenit, <strong>cu</strong> lrrofilul :<br />
Ar: 0 - 17 clrt,<br />
slab reprezetrtat, litier:i foarte rsublil.e, cles ltrtr.crupfir.<br />
bruu-slab cenupi., par{ial structurat. <strong>cu</strong> glonre.ulc c''ruelrii, moclerat<br />
bogat h1. hurnus. lutos.<br />
,\, : 17 42 ctn, girlbui-ruginiu, ctl lrete rullillii til)ice, nlici 5i dcst:. <strong>cu</strong> infiltr.a!ii dcse do<br />
huurus pe can:rh. do lame, lutos, glosolarr glomelulal pinli la nucifornr.<br />
A1/I) : 12 * i0 c.u, marmorat, c:enuiiu-virleliu, <strong>cu</strong> petc;i.r,ine l.uginii (lcse li puleuricc, lutos<br />
. 2rrgilos, nuciforrn.<br />
B : sub 70 cm, sineliu-lrrclris, <strong>cu</strong> pcte lugiuii, argilos, in<strong>de</strong>sat, cornDacl, slab hleizat.<br />
- Pirlurea.lrija situat5, pe terras* ciicorrotoi, ra nord <strong>de</strong> -L\{.oreni; codr.u<br />
d.e. gorun .;i <strong>stejar</strong>, <strong>cu</strong> consiste[.t5, neregulatd, 0,g-0,4, in care, in urma,<br />
cxtragerilor, pr€domind, arbolii uscati pe mai pifin <strong>de</strong>'1/3 din 'coroand,.<br />
. Sol j"!9iq"l!, <strong>cu</strong> o p6,t l_{A compactd <strong>de</strong> ierbirri, <strong>cu</strong> acoperire in majoritate<br />
<strong>de</strong> 100o/o, formatfl tlin:<br />
^<br />
Agrosti's aul,garis,<br />
-Poa.pratensis, restuca r'ubra) calarnagrostis eqtigei,gs,<br />
cgnodon.ilact11lon1 rleronica ottici,nali,s, rreronica'chamaed,iis, tgsi;;ec:iii<br />
tr,urnularia q.a,<br />
19?