Long-term effects of jack pine budworm outbreaks on the growth of jack pine trees in Michigan

被引:7
作者
Conway, BE [1 ]
McCullough, DG [1 ]
Leefers, LA [1 ]
机构
[1] Michigan State Univ, Dept Forestry, E Lansing, MI 48824 USA
关键词
D O I
10.1139/cjfr-29-10-1510
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
Growth of jack pine (Pinus banksiana Lamb.) trees from the Raco Plains area in the Upper Peninsula of Michigan was examined over an 18-year period (1978-1995) that included two jack pine budworm (Choristoneura pinus pinus Freeman) outbreaks. Specific volume increments were calculated for 84 trees grouped into three classes based on their status in 1996; 36 trees were undamaged, 24 trees had been recently top-killed, and 24 trees had been recently killed. Average growth was converted to proportion of previous years' growth for three periods: before the 1983-1985 outbreak, between the 1983-1985 and 1991-1993 outbreak, and after the onset of the 1991-1993 outbreak. Differences in growth over these periods among undamaged, recently top-killed, and recently killed trees were evaluated. Growth did not differ among the three groups before the 1983-1985 outbreak. From 1983-1990, undamaged and recently top-killed trees grew significantly more than recently killed trees. There was no difference in average growth from 1983 to 1990 between undamaged and recently top-killed trees. Growth of undamaged trees was significantly greater than growth of recently top-killed trees following the onset of defoliation from the 1991-1993 outbreak. Patterns of growth loss suggest that a history of defoliation stress from multiple budworm outbreaks was an important determinant of tree mortality.
引用
收藏
页码:1510 / 1517
页数:8
相关论文
共 46 条
[1]  
ALBERS J, 1995, J PINE BUDWORM BIOL, P11
[2]   TREE MORTALITY AND RADIAL GROWTH LOSSES CAUSED BY THE WESTERN SPRUCE BUDWORM IN A DOUGLAS-FIR STAND IN BRITISH-COLUMBIA [J].
ALFARO, RI ;
VANSICKLE, GA ;
THOMSON, AJ ;
WEGWITZ, E .
CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1982, 12 (04) :780-787
[3]  
BATTENFIELD RJ, 1984, 1984 MICHIGAN FOREST
[4]   NUMERICAL-ANALYSIS OF A JACK PINE BUDWORM CHORISTONEURA-PINUS FREEMAN (LEPIDOPTERA-TORTRICIDAE) OUTBREAK IN VARIOUS DENSITIES OF JACK PINE [J].
BATZER, HO ;
JENNINGS, DT .
ENVIRONMENTAL ENTOMOLOGY, 1980, 9 (05) :514-524
[5]  
Benzie J.W., 1977, NC32 USDA FOR SERV
[6]  
CAYFORD J H, 1970, Proceedings Tall Timbers Fire Ecology Conference, V10, P221
[7]  
CEREZKE JH, 1986, P JP BUDW INF EXCH J, P25
[8]   PREDICTING JACK-PINE BUDWORM INFESTATIONS IN NORTHWESTERN WISCONSIN [J].
CLANCY, KM ;
GIESE, RL ;
BENJAMIN, DM .
ENVIRONMENTAL ENTOMOLOGY, 1980, 9 (06) :743-751
[9]  
CONWAY BE, 1998, THESIS MICHIGAN STAT
[10]  
DUFF G. H., 1957, CANADIAN JOUR BOT, V35, P527, DOI 10.1139/b57-046