Chin J Plan Ecolo ›› 2015, Vol. 39 ›› Issue (9): 849-856.doi: 10.17521/cjpe.2015.0081

• Orginal Article •     Next Articles

Soil respiration and the 20-year change in three temperate forests in Mt. Dongling, Beijing

YAO Hui, HU Xue-Yang, ZHU Jiang-Ling, ZHU Jian-Xiao, JI Cheng-Jun, FANG Jing-Yun*()   

  1. Department of Ecology, College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China
  • Received:2015-06-03 Accepted:2015-06-20 Online:2015-09-23 Published:2015-09-03
  • Contact: Jing-Yun FANG E-mail:jyfang@urban.pku.edu.cn
  • About author:

    # Co-first authors

Abstract: <i>Aims</i>

Our objective was to explore changes in soil respiration of three temperate forests in Mt. Dongling, Beijing over the last 20 years from the year of 1994-1995 to 2012-2015.

<i>Methods</i>

We re-investigated the permanent plots of three temperate forests (Betula platyphylla forest, Quercus wutaishanica forest and Pinus tabuliformis forest) which were established in 1992. We measured soil respiration for 3 years (2012-2015) using a LI-8100 Soil Respiration System. Continuous soil temperatures at 5 cm depth were measured at the same time. Annual soil respiration was accumulated using a relationship between soil respiration and soil temperature .

<i>Important findings</i>

We found that soil respiration rates were significantly correlated with soil temperature at 5 cm depth and that these correlations differed remarkably among the three forests. Annual soil respiration in B. platyphylla forest was highest, with a 3-year average of (574 ± 21) g C·m-2, followed by Q. wutaishanica forest ((455 ± 31) g C·m-2) and P. tabuliformis forest ((414 ± 35) g C·m-2). In the past 20 years, annual soil respiration in all these forests increased significantly: compared to 1994-1995, the average in 2012-2015 increased by 85%, 17% and 73% for B. platyphylla, Q. wutaishanica, and P. tabuliformis forests, respectively.

Key words: soil respiration, soil temperature at 5 cm depth, temperature sensitivity (Q10), annual flux, temperate forest

Fig. 1

Relationships between soil respiration and soil temperature at 5 cm depth in three temperate forests on Mt. Dongling, Beijing. A, Betula platyphylla forest. B, Quercus wutaishanica forest. C, Pinus tabuliformis forest."

Table 1

Fundamental soil respiration (R0, μmol·m-2·s-1) and temperature sensitivity (Q10) in three temperate forests on Mt. Dongling, Beijing"

样地类型 Forest type 基础呼吸速率 Fundamental soil respiration (R0) Q10值 Temperature sensitivity
白桦林 Betula platyphylla forest 0.51 (0.05)a 3.69 (0.29)a
辽东栎林 Quercus wutaishanica forest 0.29 (0.04)b 4.13 (0.37)b
油松林 Pinus tabuliformis forest 0.20 (0.04)c 3.97 (0.47)c

Fig. 2

Temporal patterns of model fitted (line) and measured (point) soil respiration in three temperate forests on Mt. Dongling, Beijing. A, Betula platyphylla forest. B, Quercus wutaishanica forest. C, Pinus tabuliformis forest."

Fig. 3

Averaged annual soil respiration flux in three temperate forests on Mt. Dongling, Beijing. a and b denote significant difference among forest types at α = 0.05."

Table 2

Annual soil respiration of temperate forests (g C·m-2·a-1)"

地点
Locality
经纬度
Location
主要树种
Dominant species
年呼吸量1)
Annual soil respiration1)
文献来源
Reference
温带阔叶林 Temperate broad-leaved forests
英国肯特郡 Kent, England 51.33° N, 1.08° E Castanea sativa 630a Anderson, 1973
英国肯特郡 Kent, England 51.33° N, 1.08° E Fagus sylvatica 575a Anderson, 1973
德国海德堡 Heidelberg, Germany 49.33° N, 8.67° E 水青冈 Fagus spp., 云杉 Picea spp. 470a Dörr & Münnich, 1987
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美国田纳西州 Tennessee, USA 35.97° N, 84.28° W Quercus spp., 山核桃 Carya spp. 529b Edwards & Ross-Todd, 1983
美国田纳西州 Tennessee, USA 35.97° N, 84.28° W Quercus prinus 610b Johnson & van Hook, 1989
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中国河南 Henan, China 33.47° N, 111.92° E 槲栎 Quercus aliena 779c Chang et al., 2007
中国河南 Henan, China 33.47° N, 111.92° E 槲栎 Quercus aliena,
栓皮栎 Quercus variabilis
912c Chang et al., 2007
中国河南 Henan, China 33.47° N, 111.92° E 栓皮栎 Quercus variabilis 900c Chang et al., 2007
中国陕西 Shaanxi, China 33.38° N, 108.50° E 槲栎 Quercus aliena 771a Liu et al., 2003
中国黑龙江 Heilongjiang, China 45.37° N, 127.53° E 蒙古栎 Quercus mongolica 785c Wang et al., 2006
中国黑龙江 Heilongjiang, China 45.37° N, 127.53° E 山杨 Populus davidiana,
白桦 Betula platyphylla
813c Wang et al., 2006
中国黑龙江 Heilongjiang, China 45.37° N, 127.53° E 山杨 Populus davidiana,
胡桃楸 Juglans mandshurica
786c Wang et al., 2006
中国黑龙江 Heilongjiang, China 45.37° N, 127.53° E 水曲柳 Fraxinus mandshurica 781c Wang et al., 2006
中国河北 Heibei, China 42.50° N, 117.35° E 白桦 Betula platyphylla 575d Wang et al., 2010
中国北京 Beijing, China 39.95° N, 115.42° E 白桦 Betula platyphylla 574d 本研究 This study
中国北京 Beijing, China 39.95° N, 115.42° E 辽东栎 Quercus wutaishanica 455d 本研究 This study
温带针叶林 Temperate coniferous forests
美国华盛顿州 Washington, USA 47.38° N, 121.95° W 花旗松 Pseudotsuga menziesii 490a Vogt et al., 1980
美国华盛顿州 Washington, USA 47.38° N, 121.95° W Tsuga heterophylla 650a Vogt et al., 1980
美国华盛顿州 Washington, USA 47.32° N, 121.58° W Abies amabilis 620a Vogt et al., 1980
美国南卡罗来纳州 South Carolina, USA 33.50° N, 81.67° W 长叶松 Pinus palustris 509a Reinke et al., 1981
美国佛罗里达州 Florida, USA 30° N, 82° W 湿地松 Pinus elliottii 1 300b Ewel et al., 1987a
美国佛罗里达州 Florida, USA 30° N, 82° W 湿地松 Pinus elliottii 850b Ewel et al., 1987b
中国陕西 Shaanxi, China 33.38° N, 108.50° E 油松 Pinus tabuliformis 609a Liu et al., 2003
中国甘肃 Gansu, China 38.43° N, 99.90° E 青海云杉 Picea crassifolia 584c Chang et al., 2008
中国甘肃 Gansu, China 38.43° N, 99.90° E 华北落叶松 Larix principis-rupprechtii 570c Chang et al., 2008
中国甘肃 Gansu, China 38.43° N, 99.90° E 祁连圆柏 Sabina przewalskii 518c Chang et al., 2008
中国黑龙江 Heilongjiang, China 45.37° N, 127.53° E 红松 Pinus koraiensis 514c Wang et al., 2006
中国黑龙江 Heilongjiang, China 45.37° N, 127.53° E 兴安落叶松 Larix gmelinii 403c Wang et al., 2006
中国河北 Heibei, China 42.50° N, 117.35° E 欧洲赤松 Pinus sylvestris 453d Wang et al., 2010
中国河北 Heibei, China 42.50° N, 117.35° E 华北落叶松 Larix principis-rupprechtii 435d Wang et al., 2010
中国北京 Beijing, China 39.95° N, 115.42° E 油松 Pinus tabuliformis 414d 本研究 This study
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