C : N : P stoichiometric characteristics of four forest types’ dominant tree species in China

doi:10.3724/SP.J.1258.2011.00587

Abstract

Abstract:

Aims The nitrogen and phosphorus characteristics of plants represent plant features and responses to environmental factors. Our objectives are to distinguish leaf and litter C : N : P stoichiometric characteristics, nitrogen and phosphorus resorption of trees, and the relationship between stoichiometric ratio and temperature and precipitation for four typical regions in China.

Methods We studied temperate coniferous, subtropical evergreen broad-leaved, tropical monsoon and tropical plantation forest in the Changbaishan, Dinghushan, Xishuangbanna and Qianyanzhou Ecological Stations, respectively. We analyzed leaf and litter C : N : P, N, P and the relation of N, P nutrition limitation at each station.

Important findings Leaf C : N : P in temperate needle and broad-leaved mixed, subtropical evergreen broad-leaved, tropical rain and subtropical plantation forests were 321 : 13 : 1, 561 : 22 : 1, 442 : 19 : 1 and 728 : 18 : 1, respectively. Litter C : N : P of the four forest types were 552 : 14 : 1, 1 305 : 35 : 1, 723 : 24 : 1, 1 950 : 27 : 1, respectively. The C : N of evergreen coniferous forest is higher than in evergreen broad-leaved and deciduous broad-leaved forests, but C : P has no relationship with forest type. Leaf N : P was highest in evergreen broad-leaved forest and lowest in deciduous broad-leaved forest. Plant N : P has a linear relation with latitude and mean monthly temperature, but neither N or P concentration has such a relationship. Plant at high latitude are easily limited by N, those in low latitude are easily limited by P, but results show that plants limited by N or P don’t have higher N or P resorption. Stoichiometric ratios of leaf and litter are consistent, but environmental factors have different effects on different kinds of plant.

Key words: C : N : P, ecological stoichiometry, forest type, nutrition limitation, nutrition resorption

WANG Jing-Yuan, WANG Shao-Qiang, LI Ren-Lan, YAN Jun-Hua, SHA Li-Qings, HAN Shi-Jie. C : N : P stoichiometric characteristics of four forest types’ dominant tree species in China[J]. Chin J Plant Ecol, 2011, 35(6): 587-595.

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Figures/Tables 6

References 37

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站名 Station name	地理位置 Geographic location	海拔 Elevation (m)	森林类型 Forest type	代表树种 Representative tree species	生活型 Life form
长白山站 Changbaishan Station	41°41′ N, 127°42′ E	736	温带针阔混交林 Temperate needle broad-leaved mixed forest	水曲柳 Fraxinus mandschurica 红松 Pinus koraiensis 紫椴 Tilia amurensis 锥栗 Castanea henryi	DB EN DB DB
鼎湖山站 Dinghushan Station	23°09′ N, 112°30′ E	300	亚热带常绿阔叶林 Subtropical evergreen broad-leaved forest	锥栗 Castanea henryi 黄果厚壳桂 Cryptocarya concinna 云南银柴 Aporusa yunnanensis	DB EB EB
西双版纳站 Xishuangbanna Station	21°41′ N, 101°25′ E	570	热带季雨林 Tropical monsoon forest	白颜树 Gironniera subaequalis 梭果玉蕊 Barringtonia fusicarpa 云树 Garcinia cowa	EB EB EB
千烟洲站 Qianyanzhou Station	26°44′ N, 115°03′ E	100	亚热带人工林 Subtropical plantation forest	湿地松 Pinus elliottii 马尾松 Pinus massoniana 杉木 Cunninghamia lanceolata 木荷 Schima superba	EN EN EN EB

站名 Station name	地理位置 Geographic location	海拔 Elevation (m)	森林类型 Forest type	代表树种 Representative tree species	生活型 Life form
长白山站 Changbaishan Station	41°41′ N, 127°42′ E	736	温带针阔混交林 Temperate needle broad-leaved mixed forest	水曲柳 Fraxinus mandschurica 红松 Pinus koraiensis 紫椴 Tilia amurensis 锥栗 Castanea henryi	DB EN DB DB
鼎湖山站 Dinghushan Station	23°09′ N, 112°30′ E	300	亚热带常绿阔叶林 Subtropical evergreen broad-leaved forest	锥栗 Castanea henryi 黄果厚壳桂 Cryptocarya concinna 云南银柴 Aporusa yunnanensis	DB EB EB
西双版纳站 Xishuangbanna Station	21°41′ N, 101°25′ E	570	热带季雨林 Tropical monsoon forest	白颜树 Gironniera subaequalis 梭果玉蕊 Barringtonia fusicarpa 云树 Garcinia cowa	EB EB EB
千烟洲站 Qianyanzhou Station	26°44′ N, 115°03′ E	100	亚热带人工林 Subtropical plantation forest	湿地松 Pinus elliottii 马尾松 Pinus massoniana 杉木 Cunninghamia lanceolata 木荷 Schima superba	EN EN EN EB

森林类型 Forest type	pH	有机碳 Organic carbon (mg·g^-1)	全氮 Total nitrogen (mg·g^-1)	全磷 Total phosphorus (mg·g^-1)
温带针阔混交林 Temperate needle broad-leaved mixed forest	5.48 ± 0.14	164.32 ± 8.48	13.04 ± 0.84	1.56 ± 0.25
热带季雨林 Tropical monsoon forest	4.66 ± 0.14	10.60 ± 1.68	1.13 ± 0.13	0.20 ± 0.04
亚热带常绿阔叶林 Subtropical evergreen broad-leaved forest	4.08 ± 0.07	32.80 ± 3.67	2.50 ± 0.26	0.29 ± 0.02
亚热带人工林 Subtropical plantation forest	4.54 ± 0.21	11.83 ± 3.55	0.86 ± 0.2	0.11 ± 0.01

森林类型 Forest type	pH	有机碳 Organic carbon (mg·g^-1)	全氮 Total nitrogen (mg·g^-1)	全磷 Total phosphorus (mg·g^-1)
温带针阔混交林 Temperate needle broad-leaved mixed forest	5.48 ± 0.14	164.32 ± 8.48	13.04 ± 0.84	1.56 ± 0.25
热带季雨林 Tropical monsoon forest	4.66 ± 0.14	10.60 ± 1.68	1.13 ± 0.13	0.20 ± 0.04
亚热带常绿阔叶林 Subtropical evergreen broad-leaved forest	4.08 ± 0.07	32.80 ± 3.67	2.50 ± 0.26	0.29 ± 0.02
亚热带人工林 Subtropical plantation forest	4.54 ± 0.21	11.83 ± 3.55	0.86 ± 0.2	0.11 ± 0.01

		树种 Tree species	n	碳含量 Carbon content (mg·g^-1)	氮含量 Nitrogen content (mg·g^-1)	磷含量 Phosphorus content (mg·g^-1)
叶 Leaf	温带针阔混交林 Temperate needle broad-leaved mixed forest	红松 Pinus koraiensis	14	522.90 ± 21.00	15.20 ± 1.60	1.30 ± 0.30
		水曲柳 Fraxinus mandschurica	4	455.52 ± 12.40	20.20 ± 2.60	1.36 ± 0.25
		紫椴 Tilia anurensis	3	484.90 ± 14.00	25.60 ± 3.30	2.33 ± 0.40
	热带季雨林 Tropical monsoon forest	云树 Garcinia cowa	12	445.97 ± 12.99	13.50 ± 1.30	0.81 ± 0.04
		梭果玉蕊 Barringtonia fusicarpa	12	490.35 ± 20.75	19.98 ± 2.04	1.30 ± 0.12
		白颜树 Gironniera subaequalis	12	446.73 ± 19.80	31.00 ± 1.80	1.03 ± 0.10
	亚热带常绿阔叶林 Subtropical evergreen broadleaved forest	锥栗 Castanea henryi	7	494.80 ± 27.48	19.00 ± 2.08	1.03 ± 0.23
		黄果厚壳桂 Cryptocarya concinna	7	548.60 ± 18.84	20.20 ± 1.36	1.15 ± 0.09
		云南银柴 Aporusa yunnanensis	7	374.87 ± 27.41	20.27 ± 1.05	0.90 ± 0.12
	亚热带人工林 Subtropical plantation forest	湿地松 Pinus elliottii	12	522.70 ± 19.62	10.02 ± 1.38	0.62 ± 0.13
		杉木 Cunninghamia lanceolat	12	510.65 ± 15.06	10.88 ± 1.13	0.75 ± 0.11
		马尾松 Pinus massoniana	12	522.59 ± 15.97	14.77 ± 1.68	1.02 ± 0.19
		木荷 Superba schima	12	490.85 ± 21.55	16.42 ± 2.34	0.63 ± 0.15
凋落物 Litter	温带针阔混交林 Temperate needle broad-leaved mixed forest		14	485.47 ± 28.17	12.94 ± 1.98	0.93 ± 0.21
	热带季雨林 Tropical monsoon forest		12	504.57 ± 21.96	17.05 ± 1.25	0.70 ± 0.08
	亚热带常绿阔叶林 Subtropical evergreen broad-leaved forest		6	514.12 ± 19.28	14.22 ± 2.21	0.43 ± 0.12
	亚热带湿地松人工林 Subtropical Pinus elliottii plantation		12	526.36 ± 17.97	5.63 ± 1.36	0.24 ± 0.09
	亚热带杉木人工林 Subtropical Cunninghamia lanceolat plantation		12	518.81 ± 16.41	7.47 ± 1.36	0.29 ± 0.06
	亚热带木荷人工林 Subtropical Schima superba plantation		12	486.28 ± 14.82	10.89 ± 1.01	0.30 ± 0.02
	亚热带马尾松人工林 Subtropical Pinus massoniana plantation		12	521.51 ± 16.40	7.72 ± 2.10	0.36 ± 0.15