植物学报 ›› 2020, Vol. 55 ›› Issue (3): 308-317.DOI: 10.11983/CBB19231
赵佳宁1,梁韵2,柳莹3,王玉珏1,杨倩茹1,肖春旺1,*()
收稿日期:
2019-11-29
接受日期:
2020-02-26
出版日期:
2020-05-01
发布日期:
2020-07-06
通讯作者:
肖春旺
基金资助:
Jianing Zhao1,Yun Liang2,Ying Liu3,Yujue Wang1,Qianru Yang1,Chunwang Xiao1,*()
Received:
2019-11-29
Accepted:
2020-02-26
Online:
2020-05-01
Published:
2020-07-06
Contact:
Chunwang Xiao
摘要:
根系周转是陆地生态系统碳循环的关键过程, 对研究土壤碳库变化及全球气候变化均具有重要意义。然而由于根系周转率的测量计算方法较多, 不同方法得出的结果差异较大, 且目前对全球区域尺度上森林生态系统根系周转的研究还不够充分, 使得全球森林生态系统根系周转变化规律仍不清楚。该研究通过收集文献数据并统一周转率计算方法, 对全球5种森林类型的细根周转空间格局进行整合, 同时结合土壤理化性质和气候数据, 得出影响森林生态系统细根周转的因子。结果表明, 不同森林类型细根周转率存在显著差异, 且随着纬度的升高逐渐降低; 森林生态系统细根周转率与年平均温度和年平均降水量呈正相关; 森林生态系统细根周转率与土壤有机碳含量呈正相关但与土壤pH值呈负相关。该研究为揭示森林生态系统细根周转规律及机制提供了科学依据。
赵佳宁, 梁韵, 柳莹, 王玉珏, 杨倩茹, 肖春旺. 森林生态系统细根周转规律及影响因素. 植物学报, 2020, 55(3): 308-317.
Jianing Zhao, Yun Liang, Ying Liu, Yujue Wang, Qianru Yang, Chunwang Xiao. Patterns and Influence Factors of Fine Root Turnover in Forest Ecosystems. Chinese Bulletin of Botany, 2020, 55(3): 308-317.
Plot | Continent | Country | Longitude and latitude | Plot | Continent | Country | Longitude and latitude |
---|---|---|---|---|---|---|---|
1 | Asia | India | 77°15'E, 8°28'59"N | 36 | Asia | China | 128°5'40.56"E, 42°23'57.48"N |
2 | Asia | India | 76°49'59"E, 9°22'1"N | 37 | Asia | China | 128°4'59.88"E, 42°24'N |
3 | Asia | India | 77°25'58.8"E, 9°31'58.8"N | 38 | Asia | China | 128°6'29.16"E, 42°25'15.24"N |
4 | Asia | India | 79°55'1.2"E, 12°10'58.8"N | 39 | Asia | China | 128°30'E, 43°4'58.8"N |
5 | Asia | China | 110°31'19.2"E, 20°1'1.2"N | 40 | Asia | China | 127°31'48"E, 44°22'48"N |
6 | Asia | China | 112°49'58.8"E, 22°34'1.2"N | 41 | Asia | China | 88°13'48"E, 44°37'12"N |
7 | Asia | China | 117°18'E, 23°35'24"N | 42 | Asia | Japan | 142°6'E, 45°3'N |
8 | Asia | India | 91°55'58.8"E, 25°34'1.2"N | 43 | Asia | China | 128°53'13.2"E, 47°10'51.6"N |
9 | Asia | China | 117°57'E, 26°28'1.2"N | 44 | Asia | China | 127°54'36"E, 47°13'48"N |
10 | Asia | China | 110°7'58.8"E, 27°9'N | 45 | North America | Panama | 82°15'W, 8°45'N |
11 | Asia | China | 119°10'48"E, 27°52'12"N | 46 | North America | Puerto Rico | 65°49'1.2"W, 18°40'1.2"N |
12 | Asia | China | 113°1'48"E, 28°7'12"N | 47 | North America | USA | 84°30'W, 31°15'N |
13 | Asia | China | 91°19'58.8"E, 29°40'1.2"N | 48 | North America | USA | 92°W, 32°N |
14 | Asia | China | 121°46'58.8"E, 29°48'N | 49 | North America | USA | 111°45'W, 35°16'1.2"N |
15 | Asia | China | 103°25'1.2"E, 29°58'58.8"N | 50 | North America | USA | 76°27'43.2"W, 36°31'58.8"N |
16 | Asia | China | 102°48'E, 30°1'1.2"N | 51 | North America | USA | 82°22'1.2"W, 39°10'58.8"N |
17 | Asia | China | 117°24'E, 30°22'12"N | 52 | North America | USA | 78°45'57.6"W, 41°35'52.8"N |
18 | Asia | China | 117°43'48"E, 30°22'48"N | 53 | North America | USA | 72°11'24"W, 42°31'51.6"N |
19 | Asia | India | 79°56'24"E, 30°28'58.8"N | 54 | North America | USA | 71°45'W, 43°55'58.8"N |
20 | Asia | China | 117°53'24"E, 30°34'48"N | 55 | North America | USA | 72°13'1.2"W, 44°N |
21 | Asia | China | 117°54'E, 30°34'48"N | 56 | North America | USA | 122°13'1.2"W, 44°13'58.8"N |
22 | Asia | China | 121°54'25.2"E, 30°52'55.2"N | 57 | North America | USA | 121°34'1.2"W, 44°25'58.8"N |
23 | Asia | India | 75°40'12"E, 30°54'N | 58 | North America | USA | 68°41'6"W, 44°55'19.2"N |
24 | Asia | China | 119°13'58.8"E, 31°58'58.8"N | 59 | North America | USA | 122°W, 46°N |
25 | Asia | Japan | 131°12'E, 32°3'N | 60 | North America | Canada | 89°28'58.8"W, 49°32'24"N |
26 | Asia | China | 108°7'58.8"E, 33°58'1.2"N | 61 | Europe | Italy | 14°33'E, 41°43'1.2"N |
27 | Asia | Japan | 135°37'1.2"E, 34°4'58.8"N | 62 | Europe | France | 3°49'4.8"E, 43°41'16.8"N |
28 | Asia | China | 116°49'58.8"E, 35°52'58.8"N | 63 | Europe | France | 4°37'48"E, 49°45'36"N |
29 | Asia | Japan | 104°7'55.2"E, 36°N | 64 | Europe | Germany | 10°26'2.4"E, 51°4'48"N |
30 | Asia | Japan | 140°13'1.2"E, 36°6'N | 65 | Europe | Belgium | 3°51'E, 51°6'N |
31 | Asia | Korea | 127°42'E, 37°30'N | 66 | Europe | Estonia | 26°45'E, 58°46'1.2"N |
32 | Asia | China | 112°31'1.2"E, 37°39'N | 67 | Europe | Finland | 30°58'1.2"E, 62°46'58.8"N |
33 | Asia | China | 115°25'8.4"E, 39°57'N | 68 | South America | Brazil | 56°58'59"W, 3°4'1"S |
34 | Asia | China | 87°51'25.2"E, 40°27'57.6"N | 69 | South America | Brazil | 47°56'56"W, 1°17'53"S |
35 | Asia | China | 117°15'E, 42°19'12"N | 70 | Africa | C?te d'Ivoire | 5°13'1.2"W, 6°16'59"N |
表1 研究样点的分布(数据来源见附录1)
Table 1 Distribution of study sites (see Appendix 1 for data sources)
Plot | Continent | Country | Longitude and latitude | Plot | Continent | Country | Longitude and latitude |
---|---|---|---|---|---|---|---|
1 | Asia | India | 77°15'E, 8°28'59"N | 36 | Asia | China | 128°5'40.56"E, 42°23'57.48"N |
2 | Asia | India | 76°49'59"E, 9°22'1"N | 37 | Asia | China | 128°4'59.88"E, 42°24'N |
3 | Asia | India | 77°25'58.8"E, 9°31'58.8"N | 38 | Asia | China | 128°6'29.16"E, 42°25'15.24"N |
4 | Asia | India | 79°55'1.2"E, 12°10'58.8"N | 39 | Asia | China | 128°30'E, 43°4'58.8"N |
5 | Asia | China | 110°31'19.2"E, 20°1'1.2"N | 40 | Asia | China | 127°31'48"E, 44°22'48"N |
6 | Asia | China | 112°49'58.8"E, 22°34'1.2"N | 41 | Asia | China | 88°13'48"E, 44°37'12"N |
7 | Asia | China | 117°18'E, 23°35'24"N | 42 | Asia | Japan | 142°6'E, 45°3'N |
8 | Asia | India | 91°55'58.8"E, 25°34'1.2"N | 43 | Asia | China | 128°53'13.2"E, 47°10'51.6"N |
9 | Asia | China | 117°57'E, 26°28'1.2"N | 44 | Asia | China | 127°54'36"E, 47°13'48"N |
10 | Asia | China | 110°7'58.8"E, 27°9'N | 45 | North America | Panama | 82°15'W, 8°45'N |
11 | Asia | China | 119°10'48"E, 27°52'12"N | 46 | North America | Puerto Rico | 65°49'1.2"W, 18°40'1.2"N |
12 | Asia | China | 113°1'48"E, 28°7'12"N | 47 | North America | USA | 84°30'W, 31°15'N |
13 | Asia | China | 91°19'58.8"E, 29°40'1.2"N | 48 | North America | USA | 92°W, 32°N |
14 | Asia | China | 121°46'58.8"E, 29°48'N | 49 | North America | USA | 111°45'W, 35°16'1.2"N |
15 | Asia | China | 103°25'1.2"E, 29°58'58.8"N | 50 | North America | USA | 76°27'43.2"W, 36°31'58.8"N |
16 | Asia | China | 102°48'E, 30°1'1.2"N | 51 | North America | USA | 82°22'1.2"W, 39°10'58.8"N |
17 | Asia | China | 117°24'E, 30°22'12"N | 52 | North America | USA | 78°45'57.6"W, 41°35'52.8"N |
18 | Asia | China | 117°43'48"E, 30°22'48"N | 53 | North America | USA | 72°11'24"W, 42°31'51.6"N |
19 | Asia | India | 79°56'24"E, 30°28'58.8"N | 54 | North America | USA | 71°45'W, 43°55'58.8"N |
20 | Asia | China | 117°53'24"E, 30°34'48"N | 55 | North America | USA | 72°13'1.2"W, 44°N |
21 | Asia | China | 117°54'E, 30°34'48"N | 56 | North America | USA | 122°13'1.2"W, 44°13'58.8"N |
22 | Asia | China | 121°54'25.2"E, 30°52'55.2"N | 57 | North America | USA | 121°34'1.2"W, 44°25'58.8"N |
23 | Asia | India | 75°40'12"E, 30°54'N | 58 | North America | USA | 68°41'6"W, 44°55'19.2"N |
24 | Asia | China | 119°13'58.8"E, 31°58'58.8"N | 59 | North America | USA | 122°W, 46°N |
25 | Asia | Japan | 131°12'E, 32°3'N | 60 | North America | Canada | 89°28'58.8"W, 49°32'24"N |
26 | Asia | China | 108°7'58.8"E, 33°58'1.2"N | 61 | Europe | Italy | 14°33'E, 41°43'1.2"N |
27 | Asia | Japan | 135°37'1.2"E, 34°4'58.8"N | 62 | Europe | France | 3°49'4.8"E, 43°41'16.8"N |
28 | Asia | China | 116°49'58.8"E, 35°52'58.8"N | 63 | Europe | France | 4°37'48"E, 49°45'36"N |
29 | Asia | Japan | 104°7'55.2"E, 36°N | 64 | Europe | Germany | 10°26'2.4"E, 51°4'48"N |
30 | Asia | Japan | 140°13'1.2"E, 36°6'N | 65 | Europe | Belgium | 3°51'E, 51°6'N |
31 | Asia | Korea | 127°42'E, 37°30'N | 66 | Europe | Estonia | 26°45'E, 58°46'1.2"N |
32 | Asia | China | 112°31'1.2"E, 37°39'N | 67 | Europe | Finland | 30°58'1.2"E, 62°46'58.8"N |
33 | Asia | China | 115°25'8.4"E, 39°57'N | 68 | South America | Brazil | 56°58'59"W, 3°4'1"S |
34 | Asia | China | 87°51'25.2"E, 40°27'57.6"N | 69 | South America | Brazil | 47°56'56"W, 1°17'53"S |
35 | Asia | China | 117°15'E, 42°19'12"N | 70 | Africa | C?te d'Ivoire | 5°13'1.2"W, 6°16'59"N |
图1 森林生态系统的细根周转率与纬度格局 **表示在0.01水平显著相关。
Figure 1 Patterns of fine root turnover rate in forest ecosystems with latitude ** indicates significant correlation at the 0.01 level.
Forest type | Data number | Means ± SE |
---|---|---|
Tropical rainforest | 11 | 1.312±0.182 a |
Subtropical evergreen broad-leaved forest | 9 | 0.802±0.161 b |
Warm temperate deciduous broad-leaved forest | 13 | 0.724±0.859 b |
Temperate coniferous and broad-leaved mixed forest | 30 | 0.766±0.995 b |
Cold temperate coniferous forest | 7 | 0.602±0.106 b |
表2 不同森林类型的细根周转率
Table 2 Fine root turnover rate in different types of forest ecosystem
Forest type | Data number | Means ± SE |
---|---|---|
Tropical rainforest | 11 | 1.312±0.182 a |
Subtropical evergreen broad-leaved forest | 9 | 0.802±0.161 b |
Warm temperate deciduous broad-leaved forest | 13 | 0.724±0.859 b |
Temperate coniferous and broad-leaved mixed forest | 30 | 0.766±0.995 b |
Cold temperate coniferous forest | 7 | 0.602±0.106 b |
图2 森林生态系统细根周转率与年平均温度(A)和年平均降水量(B)的关系 *表示在0.05水平显著相关。
Figure 2 Relationships between fine root turnover rate in forest ecosystems and mean annual temperature (A) and mean annual precipitation (B) * indicates significant correlation at the 0.05 level.
图3 森林细根周转率与土壤理化性质之间的关系 CEC: 土壤阳离子交换量。*表示在0.05水平显著相关。
Figure 3 Relationships between forest fine root turnover rate and soil physical and chemical properties CEC: Soil cation exchange capacity. * indicates significant correlation at the 0.05 level.
MAT | MAP | Soil organic carbon | Soil pH | Soil bulk density | CEC | Sand fraction | Clay fraction | Silt fraction | lg (fine root turnover rate) | |
---|---|---|---|---|---|---|---|---|---|---|
Latitude | -0.867** | -0.609** | -0.164 | 0.168 | 0.348** | 0.157 | 0.124 | 0.097 | 0.105 | -0.367** |
MAT | 0.576** | -0.029 | -0.009 | -0.332** | -0.03 | -0.211 | -0.011 | 0.361** | 0.233* | |
MAP | -0.101 | -0.094 | -0.254* | -0.048 | -0.167 | 0.052 | 0.221 | 0.240* | ||
Soil organic carbon | -0.449** | 0.14 | 0.11 | 0.126 | -0.171 | 0.029 | 0.254* | |||
Soil pH | 0.026 | 0.235 | -0.041 | 0.231 | -0.165 | -0.297* | ||||
Soil bulk density | -0.464** | 0.900** | -0.599** | -0.852** | -0.098 | |||||
CEC | -0.545** | 0.376* | 0.491** | -0.071 | ||||||
Sand fraction | -0.823** | -0.772** | 0.038 | |||||||
Clay fraction | 0.284* | -0.146 | ||||||||
Silt fraction | 0.104 |
表3 纬度、年平均温度、年平均降水量、土壤有机碳含量、土壤pH值、土壤容重、土壤阳离子交换量、沙土含量、壤土含量、黏土含量与细根周转率的Pearson相关关系
Table 3 Pearson correlations among latitude, mean annual temperature, mean annual precipitation, soil organic carbon content, soil pH, soil bulk density, CEC, sand fraction, silt fraction, clay fraction, and fine root turnover rate
MAT | MAP | Soil organic carbon | Soil pH | Soil bulk density | CEC | Sand fraction | Clay fraction | Silt fraction | lg (fine root turnover rate) | |
---|---|---|---|---|---|---|---|---|---|---|
Latitude | -0.867** | -0.609** | -0.164 | 0.168 | 0.348** | 0.157 | 0.124 | 0.097 | 0.105 | -0.367** |
MAT | 0.576** | -0.029 | -0.009 | -0.332** | -0.03 | -0.211 | -0.011 | 0.361** | 0.233* | |
MAP | -0.101 | -0.094 | -0.254* | -0.048 | -0.167 | 0.052 | 0.221 | 0.240* | ||
Soil organic carbon | -0.449** | 0.14 | 0.11 | 0.126 | -0.171 | 0.029 | 0.254* | |||
Soil pH | 0.026 | 0.235 | -0.041 | 0.231 | -0.165 | -0.297* | ||||
Soil bulk density | -0.464** | 0.900** | -0.599** | -0.852** | -0.098 | |||||
CEC | -0.545** | 0.376* | 0.491** | -0.071 | ||||||
Sand fraction | -0.823** | -0.772** | 0.038 | |||||||
Clay fraction | 0.284* | -0.146 | ||||||||
Silt fraction | 0.104 |
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