Science Notes 2008, Volume 3, Number 7 PDF
Preview Science Notes 2008, Volume 3, Number 7
MDC Resource Science Evaluation of Oak Stump Sprouting in the Missouri Ozarks Ten Years After Harvest s e t o N e c n e i c S Missouri Department of Conservation (MDC) 2008 VOLUME 3 NO. 7 Evaluation of Oak Stump Sprouting in the Missouri Ozarks Ten Years After Harvest By Randy G. Jensen and Daniel C. Dey Summary selection harvests and ranged from 32-50% (Figure 1). Managers in Missouri often want to manage forests to The dominant sprout was tallest in clearcuts, intermediate retain oak in the future. Oaks are valuable for timber and in group openings and much smaller in single-tree many wildlife species depend on acorns. Large advance selection cuts. Scarlet oak stump sprouts were taller on reproduction and stump sprouts are the most competitive average than sprouts of white oak and black oak (Figure sources of 2). Goal: Determine the survival regeneration. It is and growth of white oak, black well known that oak Sprout Height after 10 Years oak, and scarlet oak stump stump sprouts sprouts 10 years after harvests contribute to future 30 by different management styles. stands in even-age 25 clearcuts in the et) 20 - e MThisesroeu isri lOittzlea rkknso, wbnut athbeoruet sisu arv liavackl aonf dlo gnrgo wtetrhm o fd oaatak. ht (f 15 - sprouts in small uneven-age group openings or in single- Heig 10 - - I n- tree selection harvests. The Missouri Ozark Forest 5 - - I Ecosystem Project (MOFEP) provided a good opportunity 0 to study the growth and survival of white oak, black oak clearcut group opening single-tree and scarlet oak stump sprouts from these three different white oaka black oaka scarlet oak management options. The first MOFEP harvest occurred in the summer of 1996 and data were collected on the Figure 2 Mean height of dominant stump sprouts 10 years tallest stump sprout of 702 stumps in the spring of 1998 after harvest by species and harvest method . (one growing season after harvest). Data was again collected in the fall of 2006 (ten growing seasons). Oak sprouts grew the most in diameter breast height Results (dbh) in clearcuts for all oak species. Sprouts had In clearcuts, the percentage of stumps with surviving intermediate diameter growth in group openings and the sprouts was high among all 3 species (73-75%). Group smallest diameter growth in single-tree selection cuts selection cuts had sprouts survive on 63-76% of the (Figure 3). stumps. Stump sprout survival was less in single-tree Diameter growth after 10 years Stumps with Surviving Sprout After 10 Years ht 80 eig 4 H ent 60 - - Breast nches) 23 Perc 40 eter (i 1 m 0 20 a Di clearcut group opening single-tree 0 clearcut group opening single-tree white oaka black oak□ scarlet oak I □ White Oak a Black Oak □ Scarlet Oak Figure 3. Mean diameter growth (dbh) of dominant stump sprouts Figure 1. Percent of stumps that had at least one surviving sprout 10 years after harvest by species and harvest method. 10 years after harvest by species and harvest treatment. For more information, contact: Keywords: stump sprouts, MOFEP, oak regeneration, forest Missouri Department of Conservation managment Rt. 2 Box 198 Ellington, MO 63638 573/663-7130 [email protected] 2008 VOLUME 3 NO. 7
The list of books you might like
