PREDATION ON ARTIFICIAL NESTS IN LARGE FOREST BLOCKS

被引:96
作者
LEIMGRUBER, P [1 ]
MCSHEA, WJ [1 ]
RAPPOLE, JH [1 ]
机构
[1] NATL ZOOL PK,CONSERVAT & RES CTR,FRONT ROYAL,VA 22630
关键词
ARTIFICIAL GROUND NESTS; FORESTS; NEOTROPICAL MIGRANTS; NEST PREDATION; VIRGINIA; REMOTE-TRIGGERED CAMERAS;
D O I
10.2307/3809388
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Neotropical migrant birds are declining within many forest communities in North America and concern exists regarding the impact of forest fragmentation on their breeding success, particularly with respect to nest predation. We studied predation on artificial ground nests in large forest blocks to provide information for comparison with forest fragments and to determine the importance of predator community and vegetation. From May through August 1991, we distributed 320 artificial ground nests over 8 4-ha study plots and measured 12 vegetational variables at these nests. We used remote-triggered cameras to identify predators. Nest predation rates varied from 5 to 40% among study plots. Vertical vegetational density, horizontal log density, and percent herbaceous, rock, soil, and litter cover were different (P < 0.05) between successful and unsuccessful nests. A diverse predator community, including small mammals, is responsible for loss of artificial nests and predation rates are not solely a function of forest size.
引用
收藏
页码:254 / 260
页数:7
相关论文
共 36 条
[1]   PREDATION ON GROUND-NESTING BIRDS NESTS IN RELATION TO PREDATOR DENSITIES AND HABITAT EDGE [J].
ANGELSTAM, P .
OIKOS, 1986, 47 (03) :365-373
[2]  
ASKINS RA, 1990, CURRENT ORNITHOLOGY, V7, P157
[3]   PATH SELECTION BY PEROMYSCUS-LEUCOPUS IN THE PRESENCE AND ABSENCE OF VEGETATIVE COVER [J].
BARNUM, SA ;
MANVILLE, CJ ;
TESTER, JR ;
CARMEN, WJ .
JOURNAL OF MAMMALOGY, 1992, 73 (04) :797-801
[4]  
BOAG DA, 1983, CAN J ZOOL, V62, P1034
[5]   EFFECT OF SPATIAL HETEROGENEITY ON GROUND-NEST DEPREDATION [J].
BOWMAN, GB ;
HARRIS, LD .
JOURNAL OF WILDLIFE MANAGEMENT, 1980, 44 (04) :806-813
[6]   EFFECT OF PREDATOR REMOVAL ON PHEASANT REPRODUCTIVE SUCCESS [J].
CHESNESS, RA ;
NELSON, MM ;
LONGLEY, WH .
JOURNAL OF WILDLIFE MANAGEMENT, 1968, 32 (04) :683-+
[7]   EFFECTS OF THINNING AND DEER BROWSING ON BREEDING BIRDS IN NEW-ENGLAND OAK WOODLANDS [J].
DEGRAAF, RM ;
HEALY, WM ;
BROOKS, RT .
FOREST ECOLOGY AND MANAGEMENT, 1991, 41 (3-4) :179-191
[8]   HIGH DUCK NESTING SUCCESS IN A PREDATOR-REDUCED ENVIRONMENT [J].
DUEBBERT, HF ;
LOKEMOEN, JT .
JOURNAL OF WILDLIFE MANAGEMENT, 1980, 44 (02) :428-437
[9]   AVIAN NEST DISPERSION AND FLEDGING SUCCESS IN FIELD-FOREST ECOTONES [J].
GATES, JE ;
GYSEL, LW .
ECOLOGY, 1978, 59 (05) :871-883
[10]  
Gleason H.A., 1963, MANUAL VASCULAR PLAN