植物生态学报 ›› 2009, Vol. 33 ›› Issue (6): 1075-1083.DOI: 10.3773/j.issn.1005-264x.2009.06.007
刘志华1,2, 常禹1,*(), 胡远满1, 李月辉1, 王金海4, 荆国志3, 张红新3, 张长蒙3
收稿日期:
2008-10-08
接受日期:
2009-04-23
出版日期:
2009-10-08
发布日期:
2021-04-29
通讯作者:
常禹
作者简介:
*(changyu@iae.ac.cn)基金资助:
LIU Zhi-Hua1,2, CHANG Yu1,*(), HU Yuan-Man1, LI Yue-Hui1, WANG Jin-Hai4, JING Guo-Zhi3, ZHANG Hong-Xin3, ZHANG Chang-Meng3
Received:
2008-10-08
Accepted:
2009-04-23
Online:
2009-10-08
Published:
2021-04-29
Contact:
CHANG Yu
摘要:
采用样线法研究了人为干扰对大兴安岭呼中林区粗木质残体(Coarse woody debris, CWD)储量的影响。结果表明, 未受人为干扰的呼中自然保护区中CWD变化范围集中在5.92~43.53 m3·hm-2, 受到人为干扰的呼中林区中CWD变化范围集中在12.70~47.59 m3·hm-2之间。人为干扰对混交林和针叶林的CWD储量影响显著, 而对阔叶林CWD储量影响不显著。人为干扰增加了混交林CWD储量, 减少了针叶林CWD储量, 同时减少了枯立木的数量, 增加了高度腐烂的CWD的比例。对兴安落叶松各林型的分析表明, 人为干扰条件下CWD储量(8.20~25.60 m3·hm-2)是未受干扰条件下CWD储量(18.70~36.99 m3·hm-2)的1/4~1/3。为促使采伐后的森林能维持原始林粗木质残体的结构特征, 建议保留采伐剩余物以维持一定储量的CWD。
刘志华, 常禹, 胡远满, 李月辉, 王金海, 荆国志, 张红新, 张长蒙. 呼中林区与呼中自然保护区森林粗木质残体储量的比较. 植物生态学报, 2009, 33(6): 1075-1083. DOI: 10.3773/j.issn.1005-264x.2009.06.007
LIU Zhi-Hua, CHANG Yu, HU Yuan-Man, LI Yue-Hui, WANG Jin-Hai, JING Guo-Zhi, ZHANG Hong-Xin, ZHANG Chang-Meng. COMPARISON OF STORAGE OF COARSE WOODY DEBRIS BETWEEN HUZHONG FOREST BUREAU AND HUZHONG NATURAL RESERVE IN DA HINGGAN MOUNTAINS, CHINA. Chinese Journal of Plant Ecology, 2009, 33(6): 1075-1083. DOI: 10.3773/j.issn.1005-264x.2009.06.007
特征 Character | 分解等级 Decay class | ||||
---|---|---|---|---|---|
轻度分解 Early decay | 中度分解 Intermediate decay | 高度分解 Advanced decay | |||
I | II | III | IV | V | |
枝叶 Branches, twigs and leaves | 枝叶全存在 Present | <5 cm的小枝脱落 Twigs less than 5 cm stubs | <10 cm的大枝脱落 Twigs less than 10 cm stubs | 枝节脱落 Branch stubs | 不存在 Absence |
树皮 Bark | 完整, 坚固Intact, tight | 存在 Present | 大部分存在 Majority present | 大部分脱落 Majority absent | 无 Absent |
木质结构完整性 Wood texture integrity | 坚固, 原色 Solid, original color | 坚固, 原色 Solid, original color | 半坚实, 原色至褪色 Semi-solid Original color to faded | 部分变软, 原色至褪色 Partly soft, original color to faded | 变软破碎, 褪色 Fragmented, faded |
植物生长状况 Vegetation condition | 无 No present | 无 No present | 少量苔藓 Mosses cover less than 35% | 少量灌木, 幼苗, 苔藓覆盖一半 Few shrubs, seedlings, mosses cover about 50% | 灌木, 幼苗较多; 苔藓覆盖面积超过表面积的50% More shrubs, seedlings, Mosses cover more than 60% of surface area |
表1 大兴安岭CWD分解等级划分标准1)
Table 1 Classification system of forest CWD (Coarse woody debris) decay classes at Da Hinggan Mountains
特征 Character | 分解等级 Decay class | ||||
---|---|---|---|---|---|
轻度分解 Early decay | 中度分解 Intermediate decay | 高度分解 Advanced decay | |||
I | II | III | IV | V | |
枝叶 Branches, twigs and leaves | 枝叶全存在 Present | <5 cm的小枝脱落 Twigs less than 5 cm stubs | <10 cm的大枝脱落 Twigs less than 10 cm stubs | 枝节脱落 Branch stubs | 不存在 Absence |
树皮 Bark | 完整, 坚固Intact, tight | 存在 Present | 大部分存在 Majority present | 大部分脱落 Majority absent | 无 Absent |
木质结构完整性 Wood texture integrity | 坚固, 原色 Solid, original color | 坚固, 原色 Solid, original color | 半坚实, 原色至褪色 Semi-solid Original color to faded | 部分变软, 原色至褪色 Partly soft, original color to faded | 变软破碎, 褪色 Fragmented, faded |
植物生长状况 Vegetation condition | 无 No present | 无 No present | 少量苔藓 Mosses cover less than 35% | 少量灌木, 幼苗, 苔藓覆盖一半 Few shrubs, seedlings, mosses cover about 50% | 灌木, 幼苗较多; 苔藓覆盖面积超过表面积的50% More shrubs, seedlings, Mosses cover more than 60% of surface area |
保护区 Nature reserve | 林区 Forestry bureau | ||||||
---|---|---|---|---|---|---|---|
倒木 Down log 平均值(标准偏差) Mean (SD) | 枯立木 Snag 平均值(标准偏差) Mean (SD) | 总 Total 平均值(标准偏差) Mean (SD) | 倒木 Down log 平均值(标准偏差) Mean (SD) | 枯立木 Snag 平均值(标准偏差) Mean (SD) | 总 Total 平均值(标准偏差) Mean (SD) | ||
混交林 Mixed forest | 2.33 (1.33) | 3.58 (2.58) | 5.92 (3.92) | 27.72 (32.65) | 2.05 (3.20) | 29.77 (35.85) | |
阔叶林 Broadleaf forest | 26.20 (3.76) | 17.33 (18.58) | 43.53 (22.35) | 42.23 (41.61) | 5.36 (10.72) | 47.59 (52.33) | |
针叶林 Coniferous forest | 29.56 (16.46) | 11.03 (10.46) | 40.58 (26.92) | 8.99 (9.51) | 3.72 (8.17) | 12.70 (17.67) |
表2 呼中保护区和林区CWD储量比较
Table 2 Compared CWD storage in different forest type on nature reserve and forest bureau in Huzhong
保护区 Nature reserve | 林区 Forestry bureau | ||||||
---|---|---|---|---|---|---|---|
倒木 Down log 平均值(标准偏差) Mean (SD) | 枯立木 Snag 平均值(标准偏差) Mean (SD) | 总 Total 平均值(标准偏差) Mean (SD) | 倒木 Down log 平均值(标准偏差) Mean (SD) | 枯立木 Snag 平均值(标准偏差) Mean (SD) | 总 Total 平均值(标准偏差) Mean (SD) | ||
混交林 Mixed forest | 2.33 (1.33) | 3.58 (2.58) | 5.92 (3.92) | 27.72 (32.65) | 2.05 (3.20) | 29.77 (35.85) | |
阔叶林 Broadleaf forest | 26.20 (3.76) | 17.33 (18.58) | 43.53 (22.35) | 42.23 (41.61) | 5.36 (10.72) | 47.59 (52.33) | |
针叶林 Coniferous forest | 29.56 (16.46) | 11.03 (10.46) | 40.58 (26.92) | 8.99 (9.51) | 3.72 (8.17) | 12.70 (17.67) |
图4 兴安落叶松不同林型CWD储量分析 1: 草类落叶松林 Larix gmelinii-Carex sp. 2: 笃斯越桔落叶松 Larix gmelinii-Vaccinium uliginosum 3: 杜鹃落叶松 Larix gmelinii-Rhododendron dauricum 4: 杜香落叶松 Larix gmelinii-Ledum palustre 5: 杜香泥炭藓落叶松 Larix gmelinii-Ledum palustre-Sphagnum sp. 6: 偃松落叶松 Larix gmelinii-Pinus pumila
Fig. 4 The storage of CWD for different larch forest types
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