Structure, spatio-temporal dynamics and disturbance regime of the mixed beech-silver fir-Norway spruce old-growth forest of Biogradska Gora (Montenegro)

被引:29
|
作者
Motta, R. [1 ]
Garbarino, M. [2 ]
Berretti, R. [1 ]
Bjelanovic, I. [3 ]
Mondino, E. Borgogno [1 ]
Curovic, M. [4 ]
Keren, S. [5 ]
Meloni, F. [1 ]
Nosenzo, A. [1 ]
机构
[1] Univ Turin, Dept Agr Forestry & Food Sci, Grugliasco, Italy
[2] Univ Politecn Marche, Dept D3A, I-60131 Ancona, Italy
[3] Univ Belgrade, Fac Forestry, Belgrade, Serbia
[4] Univ Montenegro, Biotech Fac, Podgorica, Montenegro
[5] Univ Banja Luka, Fac Forestry, Banja Luka, Bosnia & Herceg
来源
PLANT BIOSYSTEMS | 2015年 / 149卷 / 06期
关键词
Old-growth forest; satellite images; forest structure; gaps; disturbances; coarse-woody debris; MAPLE ACER-PSEUDOPLATANUS; ASH FRAXINUS-EXCELSIOR; COARSE WOODY DEBRIS; FAGUS-ABIES FOREST; GAP REGENERATION; MONTANE FOREST; VARIABILITY; STAND; ECOSYSTEMS; LANDSCAPE;
D O I
10.1080/11263504.2014.945978
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The structure and the spatio-temporal dynamics of the mixed beech-silver fir-Norway spruce old-growth forest of Biogradska Gora (Montenegro) have been analysed at different spatial scales: at the landscape scale, using a high-resolution SPOT5 satellite image and at the stand level with an intensive field survey. This remote-sensing approach has been used to obtain a land cover map in order to define the main vegetation types and to detect the large canopy gaps (>150m(2)). The structural characteristics have been delineated in a 50-ha study area in which a regular 120-m grid was superimposed over a 1:10,000 raster map and 30 sampling points have been obtained. The forest is characterized by a high volume of living trees (1029.6m(3)ha(-1)) and coarse woody debris (420.4m(3)ha(-1)) and by small-scale disturbances (individual trees to small groups) with a low incidence of intermediate disturbances (18 forest canopy gaps>150m(2) over 1230ha). The two approaches have proved useful to delineate the spatio-temporal dynamics. The Biogradska Gora forest dynamics are dominated by very small-scale processes, which are partially autogenic and partially caused by allogenic factors. The influence of large-scale or intermediate disturbances has shown to be negligible.
引用
收藏
页码:966 / 975
页数:10
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