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100   $a20080215d2007      ua             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGrowth of thinned and unthinned hardwood stands on a good site in northern California /$fPhilip M. McDonald and Nicholas R. Vaughn
210  1$a[Albany, Calif.] :$cU.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station,$d[2007]
215   $a1 online resource ([iii], 23 pages) $cdigital, PDF file
225 1 $aGeneral technical report PSW ;$vGTR-204
300   $a"July 2007."
320   $aIncludes bibliographical references (pages 21-23).
330 3 $aPacific madrone (Arbutus menziesii Pursh), tanoak (Lithocarpus densiflorus (Hook. & Arn.) Rehd.), and California black oak (Quercus kelloggii Newb.) are three hardwood species commonly found in the Sierra Nevada of California, an area better known for its mixed-conifer forests. Hardwood stands in this region currently are unmanaged and underutilized for commodity production. However, some landowners are now asking "How fast do these hardwoods grow," and "Will thinning increase growth and yield?" Twelve young-growth, mixed-hardwood stands on the Challenge Experimental Forest in north-central California were thinned from an average basal area of 202 ft² per acre to different levels of residual basal area that ranged from 66 to 153 ft² per acre. An additional stand (control) provided information on development in an untreated condition. Tanoak trees grew faster in diameter in thinned plots and control than Pacific madrone, which grew faster than California black oak. In general, having two to four members per clump did not hinder diameter growth in the thinned plots. Tanoak also grew significantly faster both in diameter and volume in a very wet year, but for the other two species a very wet or very dry year did not make a difference. Both diameter and volume growth were best if stands were thinned to less than 75 ft² per acre, and net volume growth (gross growth minus mortality) compared favorably to eastern oak stands on good sites. A future thinning and management regime is suggested.
606   $aPacific madrone$zCalifornia$zYuba County$xGrowth
606   $aTanoak$zCalifornia$zYuba County$xGrowth
606   $aCalifornia black oak$zCalifornia$zYuba County$xGrowth
606   $aHardwoods$zCalifornia$zYuba County$xGrowth
606   $aForest management$zCalifornia$zYuba County
615  0$aPacific madrone$xGrowth.
615  0$aTanoak$xGrowth.
615  0$aCalifornia black oak$xGrowth.
615  0$aHardwoods$xGrowth.
615  0$aForest management
700   $aMcDonald$b Philip Mark$01387104
701   $aVaughn$b Nicholas R$01419367
712 02$aPacific Southwest Research Station.
801  0$bORE
801  1$bORE
801  2$bGPO
906   $aBOOK
912   $a9910696542703321
996   $aGrowth of thinned and unthinned hardwood stands on a good site in northern California$93533591
997   $aUNINA