Scientia Silvae Sinicae ›› 2021, Vol. 57 ›› Issue (3): 18-28.doi: 10.11707/j.1001-7488.20210303
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Ping She1,2,Bing Cao2,Yanhui Wang3,*,Zhijia Yu1,Zheng Wang1,Jie Ma1,Baoguang Jia1
Received:
2020-03-15
Online:
2021-03-25
Published:
2021-04-07
Contact:
Yanhui Wang
CLC Number:
Ping She,Bing Cao,Yanhui Wang,Zhijia Yu,Zheng Wang,Jie Ma,Baoguang Jia. Effect of Forest Floor Treatments on Density of the First-Year Seedlings in Larix principis-rupprechtii Plantation[J]. Scientia Silvae Sinicae, 2021, 57(3): 18-28.
Table 1
Basic information of study plots"
试验点 Study site | 生境类型 Habitat type | 坐标 Geographical coordinates | 海拔 Altitude/m | 坡向 Slope aspect | 坡度 Slope gradient/(°) | 坡位 Slope position | 草本高度 Grass height/cm | 草本盖度 Grass coverage(%) |
东部 East | 林冠下Under canopy | 106.350 16°E, 35.779 27°N | 2 051 | 东北Northeast | 5 | 中Middle | 10 | 45 |
林隙Forest gaps | 106.349 97°E, 35.779 74°N | 2 039 | 东北Northeast | 7 | 中Middle | 50 | 100 | |
林中空地Forest glades | 106.350 74°E, 35.780 79°N | 2 015 | 平地Flat | 1 | 下Down | 80 | 100 | |
林缘Forest edges | 106.349 74°E, 35.780 00°N | 2 036 | 东北Northeast | 12 | 中Middle | 12 | 75 | |
退耕幼龄林Young forests | 106.352 07°E, 35.783 95°N | 1 990 | 平地Flat | 1 | 下Down | 75 | 100 | |
南部 South | 林冠下Under canopy | 106.385 98°E, 35.299 58°N | 2 163 | 北North | 10 | 中Middle | 10 | 60 |
林隙Forest gaps | 106.393 32°E, 35.302 78°N | 2 064 | 南South | 7 | 下Down | 40 | 100 | |
林中空地Forest glades | 106.393 31°E, 35.302 74°N | 2 064 | 南South | 6 | 下Down | 40 | 100 | |
林缘Forest edges | 106.393 30°E, 35.302 76°N | 2 064 | 南South | 7 | 下Down | 35 | 100 | |
退耕幼龄林Young forests | 106.401 32°E, 35.303 35°N | 2 016 | 平地Flat | 1 | 下Down | 27 | 100 | |
中部 Center | 林冠下Under canopy | 106.259 02°E, 35.551 88°N | 2 253 | 东南Southeast | 7 | 下Down | 8 | 45 |
林隙Forest gaps | 106.259 02°E, 35.551 88°N | 2 253 | 东南Southeast | 9 | 下Down | 15 | 100 | |
林中空地Forest glades | 106.258 61°E, 35.552 33°N | 2 256 | 东南Southeast | 3 | 下Down | 15 | 100 | |
林缘Forest edges | 106.259 50°E, 35.554 07°N | 2 229 | 东北Northeast | 18 | 下Down | 35 | 45 | |
退耕幼龄林Young forests | 106.252 36°E, 35.574 45°N | 1 963 | 北North | 15 | 下Down | 18 | 95 | |
北部 North | 林冠下Under canopy | 106.206 82°E, 35.769 09°N | 2 310 | 北North | 32 | 中Middle | 45 | 100 |
林隙Forest gaps | 106.206 94°E, 35.769 87°N | 2 307 | 北North | 17 | 中Middle | 40 | 90 | |
林中空地Forest glades | 106.199 04°E, 35.781 01°N | 2 276 | 北North | 15 | 中Middle | 20 | 70 | |
林缘Forest edges | 106.208 38°E, 35.771 05°N | 2 239 | 北North | 6 | 下Down | 125 | 100 | |
退耕幼龄林Young forests | 106.208 73°E, 35.769 94°N | 2 234 | 北North | 1 | 下Down | 20 | 85 | |
西部 West | 林冠下Under canopy | 106.186 94°E, 35.583 77°N | 2 335 | 西北Northwest | 12 | 下Down | 30 | 85 |
林隙Forest gap | 106.186 77°E, 35.583 81°N | 2 323 | 西北Northwest | 14 | 下Down | 32 | 100 | |
林中空地Forest glade | 106.185 05°E, 35.583 52°N | 2 299 | 西北Northwest | 12 | 下Down | 10 | 90 | |
林缘Forest edge | 106.186 31°E, 35.583 33 °N | 2 331 | 西北Northwest | 8 | 下Down | 18 | 100 | |
退耕幼林Young forest | 106.172 40°E, 35.575 44°N | 2 314 | 北North | 2 | 上Upper | 45 | 100 |
Table 2
Difference in seedling density among five treatments with or without mesh-covering under the forest canopy of near-mature forests plants ·m-2"
处理 Treatment | 覆网 Mesh-covering | 不覆网 No mesh-covering | 覆网导致的差别 Difference caused by mesh-covering |
清枯Removing humus layer | 3.7±1.2 aA | 1.4±0.3 aB | 2.3±0.9 |
开沟Opening ditches | 2.7±1.1 abA | 1.7±0.4 aB | 1.0±0.7 |
对照Control | 1.6±0.7 abA | 1.1±0.5 abB | 0.5±0.2 |
挖穴Digging holes | 1.5±0.4 abA | 1.0±0.2 abB | 0.5±0.2 |
割草Grass cutting | 0.6±0.3 bA | 0.1±0.1 bB | 0.5±0.2 |
均值Mean | 2.0±0.4 | 1.1±0.2 | 0.9±0.2 |
Table 3
Difference in seedling density among five treatments with or without mesh-covering of young forests plants ·m-2"
处理 Treatment | 覆网 Mesh-covering | 不覆网 No mesh-covering | 覆网导致的差别 Difference caused by mesh-covering |
开沟Opening ditches | 4.8±1.4 aA | 3.1±0.4 aB | 1.7±1.0 |
清枯Removing humus layer | 4.8±1.3 aA | 2.5±0.6 aB | 2.3±0.7 |
挖穴Digging holes | 4.0±1.2 aA | 2.7±0.4 aB | 1.3±0.8 |
割草Grass cutting | 2.7±1.1 aA | 2.1±0.4 aB | 0.6±0.7 |
对照Control | 2.0±1.0 aA | 1.7±0.7 aB | 0.3±0.3 |
均值Mean | 3.7±0.5 | 2.4±0.2 | 1.3±0.3 |
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