辽东山区主要阔叶树种叶片养分含量和再吸收对落叶时间的影响
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申奥,朱教君,闫涛,卢德亮,杨凯
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Effects of leaf nutrient concentration and resorption on leaf falling time of dominant broadleaved species in a montane region of eastern Liaoning Province, China
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SHEN Ao,ZHU Jiao-Jun,YAN Tao,LU De-Liang,YANG Kai
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表1 样地概况
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Table 1 Site characteristics
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| 林型 Forest type | 密度 Stem density (tree·hm-2) | 胸径 DBH (cm) | 坡向 Aspect (°) | 坡度 Slope (°) | 坡位 Slope position | | 次生林1 Secondary forest 1 (SF1) | 1425 | 23.0 ± 4.4 | 274 | 42 | 中坡 Middle slope | | 次生林2 Secondary forest 2 (SF2) | 2050 | 21.4 ± 2.4 | 200 | 40 | 中坡 Middle slope | | 次生林3 Secondary forest 3 (SF3) | 1500 | 22.6 ± 2.8 | 349 | 35 | 中坡 Middle slope | | 次生林4 Secondary forest 4 (SF4) | 1700 | 25.3 ± 2.2 | 213 | 45 | 中坡 Middle slope |
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