南亚热带不同人工林生态系统服务功能评估

doi:10.16258/j.cnki.1674-5906.2021.05.003

生态环境学报 ›› 2021, Vol. 30 ›› Issue (5): 907-919.DOI: 10.16258/j.cnki.1674-5906.2021.05.003

南亚热带不同人工林生态系统服务功能评估

周笛轩¹^,²^,³(), 林永标¹^,³, 汪雁佳¹^,²^,³, 刘占锋¹^,³, 周丽霞¹^,³^,^*()

1.中国科学院华南植物园/中国科学院退化生态系统植被恢复与管理重点实验室,广东广州 5106502
2.中国科学院大学,北京 100049
3.广东省应用植物学重点实验室,广东广州 510650

收稿日期:2020-10-03 出版日期:2021-05-18 发布日期:2021-08-06
通讯作者: * E-mail:zhoulx@scbg.ac.cn
作者简介:周笛轩（1995年生）,女,硕士研究生,研究方向为恢复生态学研究。E-mail:xx512zdx@163.com
基金资助:
国家重点研发计划(2017YFC0505403-04);国家自然科学基金项目(41771278)

Assessment of Main Ecosystem Services in Subtropical Plantations

ZHOU Dixuan¹^,²^,³(), LIN Yongbiao¹^,³, WANG Yanjia¹^,²^,³, LIU Zhanfeng¹^,³, ZHOU Lixia¹^,³^,^*()

1. Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems/South China Botanical Garden, Chinese Academy of Science, Guangzhou 510650, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Guangdong Provincial Key Laboratory of Applied Botany, Guangzhou 510650, China

Received:2020-10-03 Online:2021-05-18 Published:2021-08-06

摘要/Abstract

摘要：

中国南亚热带地区人口稠密,经济发展迅速,环境破坏严重,区域生态系统退化加剧。种植人工林被认为是减少水土流失、实现植被快速恢复的有效措施之一。目前对生态恢复过程中的人工林土壤养分含量、蓄水量、土壤酶活性等已开展了较多研究,但基于实测数据对不同人工林生态系统服务功能进行评估的研究较为少见。以广东鹤山10树种混交林（10 species mixed plantation,10NS）、16树种混交林（16 species mixed plantation,16NS）2种人工混交林,尾叶桉纯林（Eucalypyus urophylla monoculture,EU）、红锥纯林（Castanopsis hystrix monoculture,CM）、厚荚相思纯林（Acacia crassicaipa monoculture,AC）3种人工纯林和自然恢复的灌草坡（Shrub and herb land,SH）为研究对象,对其涵养水源、保育土壤、积累营养物质、固碳释氧、生物多样性保护等主要生态系统服务功能进行了评估,为南亚热带地区人工林合理种植和管理提供科学依据。结果表明,13林龄时,土壤保育能力为10树种混交林最强,红锥纯林最弱,尾叶桉纯林、厚荚相思纯林和灌草坡之间无显著差异;植被固碳释氧能力为10树种混交林、16树种混交林和尾叶桉纯林较高且无显著差异,红锥纯林最弱;涵养水源能力为灌草坡最强,其次为10树种混交林,尾叶桉纯林最差。研究表明,人工林改造或退化生态系统恢复时要注意结合不同人工林的生态系统服务功能进行科学种植：尾叶桉纯林土壤固碳作用和积累营养物质能力较强,宜作为用材林和碳汇林种植;厚荚相思纯林生物量较高且具有固氮作用,但抗风能力较弱,不适宜于沿海或台风多发地带种植;红锥纯林在保肥和水源涵养方面的生态服务功能相对较弱,但经济价值较高,适宜以大径材近自然林经营;10树种混交林的土壤养分含量最高且地表径流最小,林分调节水量和保育土壤功能最强,最适于生态恢复,可用作水土保持林、水源涵养林等,也可用于特种用途中的风景林建设。

关键词: 人工林, 生态系统服务功能, 生态恢复, 科学种植, 涵养水源, 保育土壤, 固碳, 释氧

Abstract:

The subtropical region of China is suffering severe environmental destruction and intensified regional ecosystem degradation due to the dense population and rapid economic development. Plantation is considered as one of the most effective measures to mitigate soil erosion and achieve rapid vegetation restoration. Most of the researches focuses on soil nutrient content, soil water storage, and soil enzyme activity of artificial forests during the restoration process. Whereas less attention is paid to the ecosystem services functions of the different plantations which are assessed by the above experimental data. This study evaluated the ecosystem service functions of 10 species mixed plantation (10NS), 16 species mixed plantation (16NS), Eucalypyus urophylla monoculture (EU), Castanopsis hystrix monoculture (CM), Acacia crassicaipa monoculture (AC) and shrub and herb land (SH) in Gonghe field Station, Heshan, Guangdong province, to provide a scientific base for the planting and management of the plantation. The evaluation indexes includes water conservation, soil conservation, nutrient accumulation, carbon fixation, oxygen released, and species conservation. At the 13^th forest age, 10NS had the strongest function whereas CM had the weakest function of the soil conservation, and the differences among EU, AC and SH were insignificant (P<0.05). The function of forest carbon fixation and oxygen release in10NS, 16NS, EU and CM were similar, but SH showed the weakest effect. Besides, SH had the highest water conservation function, followed by the 10NS, and CM. These results together suggest that the ecosystem service function among different plantations should be considered for plantation reconstruction and restoration in the degraded ecosystem. In this study, EU is suitable for planting as the timber and carbon sink plantation species due to its strong ability in carbon fixation and nutrient accumulation. While AC is not suitable for planting in coastal or typhoon-prone areas because of its weaker wind resistance. Although CM has a weaker ecological service in soil and water conservation, it is suitable as the planting species of large-diameter timber since the higher economic value. 10NS plantation is the best choice for ecological restoration in the conservation of water and soil, as well as for the artificial scenic forest construction in special-purpose, due to its highest soil nutrient content, smallest surface runoff, and strongest water and soil conservation effect.

Key words: plantation, ecosystem service functions, ecological restoration, scientific planting, water conservation, soil conservation, carbon fixation, oxygen releasing

中图分类号:

Q14
X196

周笛轩, 林永标, 汪雁佳, 刘占锋, 周丽霞. 南亚热带不同人工林生态系统服务功能评估[J]. 生态环境学报, 2021, 30(5): 907-919.

ZHOU Dixuan, LIN Yongbiao, WANG Yanjia, LIU Zhanfeng, ZHOU Lixia. Assessment of Main Ecosystem Services in Subtropical Plantations[J]. Ecology and Environment, 2021, 30(5): 907-919.

图/表 13

参考文献 46

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样地^* Sample plot	植被种类 Tree species	平均高度 Mean height/ m	平均胸径 Mean DBH/ cm	平均盖度 Mean coverage/m²	主要林下植被 Main undergrowth vegetation
10树种混交林 10 species mixed plantation	变叶榕 (Ficus variolosa)、潺槁木姜子 (Litsea glutinosa)、枫香 (Liquidambar formosana)、荷木 (Schima superba)、红锥 (Castanopsis hystrix)、华润楠 (Machilus chinensis)、灰木莲 (Manglietia glauca)、火力楠 (Michelia macclurei)、黧蒴 (Castanopsis fissa)、山苍子 (Litsea cubeba)、山矾 (Symplocos sumuntia)、深山含笑 (Michelia maudiae)、尾叶桉 (Eucalyptus urophylla)、阴香 (Cinnamomum burmannii) (14种)	5.95±0.10	6.40±0.10	9.08±0.33	野牡丹 (Melastoma candidum)、桃金娘 (Rhodomyrtus tomentosa)、黄栀子 (Gardenia jasminoides)、鬼灯笼 (Clerodendrum fortunatum)、芒萁 (Dicranopteris pedata)、乌毛蕨 (Blechnum orientale) 等
16树种混交林 16 species mixed plantation	潺槁木姜子 (Litsea glutinosa)、日本杜英 (Elaeocarpus japonicus)、山竹子 (Garcinia mangostana)、枫香 (Liquidambar formosana)、海南蒲桃 (Syzygium levinei)、红锥 (Castanopsis hystrix)、华润楠 (Machilus chinensis)、灰木莲 (Manglietia glauca)、火力楠 (Michelia macclurei)、假苹婆 (Sterculia lanceolata)、黎蒴 (Castanopsis fissa)、岭南山竹子 (Garcinia oblongifolia)、山苍子 (Litsea cubeba)、深山含笑 (Michelia maudiae)、尾叶桉(Eucalyptus urophylla)、阴香 (Cinnamomum burmannii) (16种)	6.77±0.15	5.91±0.11	6.76±0.35	野牡丹 (Melastoma candidum)、桃金娘 (Rhodomyrtus tomentosa)、芒草 (Miscanthus sinensis) 等
尾叶桉纯林 Eucalypyus urophylla monoculture	尾叶桉 (Eucalyptus urophylla)	10.64±0.17	13.64±0.33	7.74±0.44	桃金娘 (Rhodomyrtus tomentosa)、梅叶冬青 (Ilex asprella)、鬼灯笼 (Clerodendrum fortunatum)、芒萁 (Dicranopteris pedata)等
红锥纯林 Castanopsis hystrix monoculture	红锥 (Castanopsis hystrix)	6.89±0.13	5.83±0.09	8.49±0.39	桃金娘 (Rhodomyrtus tomentosa)、野牡丹 (Melastoma candidum)、鬼灯笼 (Clerodendrum fortunatum)、芒萁 (Dicranopteris pedata)、乌毛蕨 (Blechnum orientale)等
厚荚相思纯林^** Acacia crassicaipa monoculture	厚荚相思 (Acacia crassicarpa)	14.56±1.50	11.10±0.70	6.02±0.81	‒
灌草坡 Shrub and herb land	‒	‒	‒	‒	芒萁 (Dicranopteris pedata)

样地^* Sample plot	植被种类 Tree species	平均高度 Mean height/ m	平均胸径 Mean DBH/ cm	平均盖度 Mean coverage/m²	主要林下植被 Main undergrowth vegetation
10树种混交林 10 species mixed plantation	变叶榕 (Ficus variolosa)、潺槁木姜子 (Litsea glutinosa)、枫香 (Liquidambar formosana)、荷木 (Schima superba)、红锥 (Castanopsis hystrix)、华润楠 (Machilus chinensis)、灰木莲 (Manglietia glauca)、火力楠 (Michelia macclurei)、黧蒴 (Castanopsis fissa)、山苍子 (Litsea cubeba)、山矾 (Symplocos sumuntia)、深山含笑 (Michelia maudiae)、尾叶桉 (Eucalyptus urophylla)、阴香 (Cinnamomum burmannii) (14种)	5.95±0.10	6.40±0.10	9.08±0.33	野牡丹 (Melastoma candidum)、桃金娘 (Rhodomyrtus tomentosa)、黄栀子 (Gardenia jasminoides)、鬼灯笼 (Clerodendrum fortunatum)、芒萁 (Dicranopteris pedata)、乌毛蕨 (Blechnum orientale) 等
16树种混交林 16 species mixed plantation	潺槁木姜子 (Litsea glutinosa)、日本杜英 (Elaeocarpus japonicus)、山竹子 (Garcinia mangostana)、枫香 (Liquidambar formosana)、海南蒲桃 (Syzygium levinei)、红锥 (Castanopsis hystrix)、华润楠 (Machilus chinensis)、灰木莲 (Manglietia glauca)、火力楠 (Michelia macclurei)、假苹婆 (Sterculia lanceolata)、黎蒴 (Castanopsis fissa)、岭南山竹子 (Garcinia oblongifolia)、山苍子 (Litsea cubeba)、深山含笑 (Michelia maudiae)、尾叶桉(Eucalyptus urophylla)、阴香 (Cinnamomum burmannii) (16种)	6.77±0.15	5.91±0.11	6.76±0.35	野牡丹 (Melastoma candidum)、桃金娘 (Rhodomyrtus tomentosa)、芒草 (Miscanthus sinensis) 等
尾叶桉纯林 Eucalypyus urophylla monoculture	尾叶桉 (Eucalyptus urophylla)	10.64±0.17	13.64±0.33	7.74±0.44	桃金娘 (Rhodomyrtus tomentosa)、梅叶冬青 (Ilex asprella)、鬼灯笼 (Clerodendrum fortunatum)、芒萁 (Dicranopteris pedata)等
红锥纯林 Castanopsis hystrix monoculture	红锥 (Castanopsis hystrix)	6.89±0.13	5.83±0.09	8.49±0.39	桃金娘 (Rhodomyrtus tomentosa)、野牡丹 (Melastoma candidum)、鬼灯笼 (Clerodendrum fortunatum)、芒萁 (Dicranopteris pedata)、乌毛蕨 (Blechnum orientale)等
厚荚相思纯林^** Acacia crassicaipa monoculture	厚荚相思 (Acacia crassicarpa)	14.56±1.50	11.10±0.70	6.02±0.81	‒
灌草坡 Shrub and herb land	‒	‒	‒	‒	芒萁 (Dicranopteris pedata)

功能类别 Functional category	指标 Indicator	计算公式和参数说明 Calculation formula and parameter description
涵养水源 Water conservation	调节水量 Regulating runoff	G_调=10A(P-E-C);G_调为林分调节水量功能,单位：m³∙a^-1;P为降雨量,单位：mm∙a^-1;E为林分蒸散量^,单位：mm∙a^-1;C为地表径流量,单位：mm∙a^-1;A为林分面积,单位：hm² G_R=10A(P-E-C); G_R is the function of regulating runoff of forest (m³·a^-1); P is the rainfall (mm∙a^-1); E is the forest evapotranspiration (mm∙a^-1)^; C is the surface runoff (mm∙a^-1); A is the forest area (hm²)
保育土壤 Soil conservation	固土 Soil fixation	G_N=AN(X₂-X₁);G_P=AP(X₂-X₁);G_N为减少的氮流失量,单位：t∙a^-1;G_P为减少的磷流失量,单位：t∙a^-1;X₁为林地土壤侵蚀模数^,单位：t∙hm^-2∙a^-1;X₂为无林地土壤侵蚀模数,单位：t∙hm^-2∙a^-1;N为土壤含氮量,单位：%;P为土壤含磷量,单位：%;A为林分面积,单位：hm² G_N is the reduced nitrogen loss (t·a^-1); GP is the reduced phosphorus loss (t·a^-1); X₁ is the soil erosion modulus in forest (t∙hm^-2∙a^-1)^; X₂ is the soil erosion modulus without forest (t∙hm^-2∙a^-1); N is the soil total nitronge content (%); P is the soil total phosphorus content (%); A is the forest area (hm²)
固碳释氧 Carbon fixation; oxygen released	植被固碳 Carbon fixation by vegetation	G_植被固碳=1.63R_碳AB_年;G_植被固碳为植被年固碳量,单位t∙a^-1;R_碳为CO₂中碳含量,为27.27%;B_年为林分净生产力^*,单位：t∙hm^-2∙a^-1;A为林分面积,单位：hm² G_cv=1.63R_cAB_a; G_cv is the annual carbon sequestration by forest (t∙a^-1); R_c is 27.27%, representing carbon content in CO₂; B_a is the forest net primary productivity (t∙hm^-2∙a^-1)^*; A is the forest area (hm²)
	土壤固碳 Carbon fixation by soil	G_土壤固碳=AF_土壤;G_土壤固碳为单位面积林分年固碳量,单位：t∙hm^-2∙a^-1;F_土壤为单位面积林分土壤年固碳量,单位：t∙hm^-2∙a^-1;A为林分面积,单位：hm² G_cs=AF_s; G_cs is the per unit of annual carbon sequestration of forest (t∙hm^-2∙a^-1); F_s is the per unit of annual forest carbon sequestration by soil (t∙hm^-2∙a^-1); A is the forest area (hm²)
	释氧 Oxygen released	G_氧气=1.19AB_年;G_氧气为林分年释氧量,单位：t∙a^-1;B_年为林分净生产力,单位：t∙hm^-2∙a^-1;A为林分面积,单位：hm² G_o=1.19AB_a; G_o is the annual oxygen released of forest (t·a^-1); B_a is the forest net primary productivity (t∙hm^-2∙a^-1)^***; A is the forest area (hm²)
生物多样性保护 Biodiversity protection	物种保育 Species conservation	U_生物=S_生^**A;U_生物为林分年物种保育价值,单位：yuan∙hm^-2∙a^-1;S_生为单位面积年物种损失的机会成本,单位：yuan∙hm^-2∙a^-1;A为林分面积,单位：hm² U_p=S_s^A; U_p is the annual forest species conservation value (yuan∙hm^-2∙a^-1); S_s is the annual opportunity cost of species loss in per unit area (yuan∙hm^-2∙a^-1)^**; A is the forest area (hm²)

功能类别 Functional category	指标 Indicator	计算公式和参数说明 Calculation formula and parameter description
涵养水源 Water conservation	调节水量 Regulating runoff	G_调=10A(P-E-C);G_调为林分调节水量功能,单位：m³∙a^-1;P为降雨量,单位：mm∙a^-1;E为林分蒸散量^,单位：mm∙a^-1;C为地表径流量,单位：mm∙a^-1;A为林分面积,单位：hm² G_R=10A(P-E-C); G_R is the function of regulating runoff of forest (m³·a^-1); P is the rainfall (mm∙a^-1); E is the forest evapotranspiration (mm∙a^-1)^; C is the surface runoff (mm∙a^-1); A is the forest area (hm²)
保育土壤 Soil conservation	固土 Soil fixation	G_N=AN(X₂-X₁);G_P=AP(X₂-X₁);G_N为减少的氮流失量,单位：t∙a^-1;G_P为减少的磷流失量,单位：t∙a^-1;X₁为林地土壤侵蚀模数^,单位：t∙hm^-2∙a^-1;X₂为无林地土壤侵蚀模数,单位：t∙hm^-2∙a^-1;N为土壤含氮量,单位：%;P为土壤含磷量,单位：%;A为林分面积,单位：hm² G_N is the reduced nitrogen loss (t·a^-1); GP is the reduced phosphorus loss (t·a^-1); X₁ is the soil erosion modulus in forest (t∙hm^-2∙a^-1)^; X₂ is the soil erosion modulus without forest (t∙hm^-2∙a^-1); N is the soil total nitronge content (%); P is the soil total phosphorus content (%); A is the forest area (hm²)
固碳释氧 Carbon fixation; oxygen released	植被固碳 Carbon fixation by vegetation	G_植被固碳=1.63R_碳AB_年;G_植被固碳为植被年固碳量,单位t∙a^-1;R_碳为CO₂中碳含量,为27.27%;B_年为林分净生产力^*,单位：t∙hm^-2∙a^-1;A为林分面积,单位：hm² G_cv=1.63R_cAB_a; G_cv is the annual carbon sequestration by forest (t∙a^-1); R_c is 27.27%, representing carbon content in CO₂; B_a is the forest net primary productivity (t∙hm^-2∙a^-1)^*; A is the forest area (hm²)
	土壤固碳 Carbon fixation by soil	G_土壤固碳=AF_土壤;G_土壤固碳为单位面积林分年固碳量,单位：t∙hm^-2∙a^-1;F_土壤为单位面积林分土壤年固碳量,单位：t∙hm^-2∙a^-1;A为林分面积,单位：hm² G_cs=AF_s; G_cs is the per unit of annual carbon sequestration of forest (t∙hm^-2∙a^-1); F_s is the per unit of annual forest carbon sequestration by soil (t∙hm^-2∙a^-1); A is the forest area (hm²)
	释氧 Oxygen released	G_氧气=1.19AB_年;G_氧气为林分年释氧量,单位：t∙a^-1;B_年为林分净生产力,单位：t∙hm^-2∙a^-1;A为林分面积,单位：hm² G_o=1.19AB_a; G_o is the annual oxygen released of forest (t·a^-1); B_a is the forest net primary productivity (t∙hm^-2∙a^-1)^***; A is the forest area (hm²)
生物多样性保护 Biodiversity protection	物种保育 Species conservation	U_生物=S_生^**A;U_生物为林分年物种保育价值,单位：yuan∙hm^-2∙a^-1;S_生为单位面积年物种损失的机会成本,单位：yuan∙hm^-2∙a^-1;A为林分面积,单位：hm² U_p=S_s^A; U_p is the annual forest species conservation value (yuan∙hm^-2∙a^-1); S_s is the annual opportunity cost of species loss in per unit area (yuan∙hm^-2∙a^-1)^**; A is the forest area (hm²)

样地 Sample plot	降雨量 Rainfall/ (mm∙a^-1)	林分蒸散量 Forest evapotranspiration/ (mm∙a^-1)	地表径流量 Surface runoff/ (mm∙a^-1)	芒萁相对盖度 Dicranopteris dichotoma relative coverage	芒萁相对密度 Dicranopteris dichotoma relative density	林分调节水量功能 Regulating runoff/ (m³∙a^-1)
10树种混交林 10 species mixed plantation	1754.83	767.69	22.21	0.25	0.30	9649.300
16树种混交林 16 species mixed plantation	1754.83	767.69	43.50	0.27	0.32	9436.420
尾叶桉纯林 Eucalypyus urophylla monoculture	1754.83	928.25	35.82	0.29	0.32	7907.579
红锥纯林 Castanopsis hystrix monoculture	1754.83	767.69	56.38	0.17	0.27	9307.640
灌草坡 Shrub and herb land	1754.83	435.35	24.63	0.32	0.32	12948.478

南亚热带不同人工林生态系统服务功能评估

Assessment of Main Ecosystem Services in Subtropical Plantations

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样地 Sample plot	乔木层生物量 Arbor layer’s Biomass/ (t∙hm^-2)	灌木层生物量 Shurb layer’s Biomass/ (t∙hm^-2)	草本层生物量 Herb layer’s Biomass/ (t∙hm^-2)	总生物量 Total layer’s Biomass/ (t∙hm^-2)
10树种混交林 10 species mixed plantation	60.98a	0.82a	2.33b	64.13a
16树种混交林 16 species mixed plantation	54.39a	1.42a	2.88b	58.69a
尾叶桉纯林 Eucalypyus urophylla monoculture	55.81a	0.64a	6.16a	62.60a
红锥纯林 Castanopsis hystrix monoculture	29.20b	1.76a	3.39ab	34.36b
灌草坡 Shrub and herb land	0.01c	3.43a	6.11a	9.55c

样地 Sample plot	净生产力 Net productivity/ (t∙hm^-2∙a^-1)	植被固碳 Carbon fixation by vegetation/ (t∙a^-1)	林分释氧量 oxygen released/ (t∙a^-1)	土壤固碳 Carbon fixation by soil/ (t∙hm^-2∙a^-1)
10树种混交林 10 species mixed plantation	24.669a	10.965a	29.356a	0.339a
16树种混交林 16 species mixed plantation	22.839a	10.152a	27.179a	0.315ab
尾叶桉纯林 Eucalypyus urophylla monoculture	24.156a	10.737a	28.745a	0.321ab
红锥纯林 Castanopsis hystrix monoculture	14.665b	6.519b	17.451b	0.248b
厚荚相思纯林 Acacia crassicaipa monoculture	‒	‒	‒	0.302ab
灌草坡 Shrub and herb land	6.331c	2.814c	7.534c	0.303ab

样地 Sample plot	Shannon-Wiener 指数 Shannon-Wiener index	物种保育 Species conservation/ (yuan∙hm^-2∙a^-1)
10树种混交林 10 species mixed plantation	1.85	5000
16树种混交林 16 species mixed plantation	1.69	5000
尾叶桉纯林 Eucalypyus urophylla monoculture	0.91	3000
红锥纯林 Castanopsis hystrix monoculture	1.23	5000
灌草坡 Shrub and herb land	0.42	3000

物种		地上生物量					地下生物量
种名	拉丁文名	回归方程		R²			回归方程		R²
白背叶	Mallotus apelta	y=0.1004x^0.4018		0.759			y=0.0364x^0.3676		0.6466
潺槁木姜子	Litsea glutinosa	y=0.1518x^0.7435		0.813			y=0.0337x^0.7913		0.75
枫香	Liquidambar formosana	y=0.2894x^0.7405		0.8598			y=0.1360x^0.673		0.785
观光木	Tsoongiodendron odorum	y=0.1466x^0.8309		0.9367			y=0.0442x^0.7256		0.8846
鬼灯笼	Clerodendrum fortunatum	y=0.0351x^0.7675		0.9201			y=0.0092x^0.6673		0.8393
红锥	Castanopsis hystrix	y=0.2926x^0.7162		0.9555			y=0.1017x^0.5941		0.8238
厚荚相思	Acacia crassicarpa	y=0.4171x^0.6201		0.975			y=0.0562x^0.6725		0.9141
华润楠	Machilus chinensis	y=1.1447x^0.582		0.95			y=0.3663x^0.5081		0.9693
黄栀子	Gardenia jasminoides	y=0.0556x^0.9636		0.8814			y=0.0295x^0.5991		0.6635
灰木莲	Manglietia glauca	y=0.6355x^0.4751		0.8123			y=0.0635x^0.6628		0.8994
火力楠	Michelia macclurei	y=0.2010x^0.8013		0.8022			y=0.038x^0.7999		0.8593
黧蒴	Castanopsis fissa	y=0.3778x^0.614		0.8782			y=0.0718x^0.7044		0.9548
梅叶冬青	Ilex asprella	y=0.1569x^0.5899		0.8355			y=0.0498x^0.6248		0.8192
日本杜英	Elaeocarpus japonicus	y=0.1316x^0.6959		0.7827			y=0.0423x^0.6827		0.6945
山苍子	Litsea cubeba	y=0.0043x^1.3607		0.908			y=0.0004x^1.5183		0.7597
深山含笑	Michelia maudiae	y=0.1419x^0.9694		0.9932			y=0.0640x^0.6464		0.7139
湿加松	Pinus massoniana	y=0.0245x^1.0209		0.9711			y=0.0126x^0.9024		0.9685
石斑木	Rhaphiolepis indica	y=0.0402x^0.9471		0.6695			y=0.0055x^1.1122		0.8987
桃金娘	Rhodomyrtus tomentosa	y=0.4571x^0.7346		0.6964			y=0.2144x^0.8813		0.627
尾叶桉	Eucalyptus urophylla	y=0.1691x^0.7472		0.9462			y=0.1723x^0.563		0.8942
香樟	Cinnamomum bodinieri	y=0.376x^0.5171		0.8521			y=0.1017x^0.6883		0.8714
野牡丹	Melastoma candidum	y=0.0630x^0.830		0.826			y=0.0420x^0.358		0.694
阴香	Cinnamomum burmannii	y=0.9665x^0.3015		0.7535			y=0.3376x^0.2402		0.8446
物种		树干生物量			树枝生物量		树叶生物量			根生物量
种名	拉丁文名	回归方程	R²		回归方程	R²	回归方程	R²		回归方程	R²
木荷	Schima superba	y=0.0683x^0.8504	0.9682		y=0.0227x^0.8516	0.956	y=0.0374x^0.5940	0.9005		y=0.0197x^0.8975	0.9599
云南银柴	Aporosa yunnanensis	y=0.0683x^0.8504	0.9682		y=0.0227x^0.8516	0.956	y=0.0374x^0.5940	0.9005		y=0.0197x^0.8975	0.9599
乌桕	Triadica cochinchinensis	y=0.0816x^0.8437	0.9987		y=0.0098x^1.0979	0.9955	y=0.0285x^0.6967	0.9833		y=0.065x^0.6913	0.9917
海南蒲桃	Syzygium levinei	y=0.0476x^0.9144	0.9874		y=0.0056x^1.1274	0.9701	y=0.2444x^0.3229	0.9546		y=0.0214x^0.8389	0.9617
假苹婆	Sterculia lanceolata	y=0.0476x^0.9144	0.9874		y=0.0056x^1.1274	0.9701	y=0.2444x^0.3229	0.9546		y=0.0214x^0.8389	0.9617
岭南山竹子	Garcinia oblongifolia	y=0.0163x^1.0557	0.969		y=0.3908x^0.3725	0.9169	y=0.2156x^0.3596	0.9856		y=0.3350x^0.4598	0.9796
变叶榕	Ficus variolosa	y=0.0774x^0.7899	0.9938		y=0.0474x^0.6318	0.9651	y=0.0649x^0.3324	0.9024		y=0.0177x^0.8663	0.9098
三桠苦	Melicope pteleifolia	y=0.0163x^1.0557	0.969		y=0.3908x^0.3725	0.9169	y=0.2156x^0.3596	0.9856		y=0.3350x^0.4598	0.9796
九节	Psychotria asiatica	y=0.0774x^0.7899	0.9938		y=0.0474x^0.6318	0.9651	y=0.0649x^0.3324	0.9024		y=0.0177x^0.8663	0.9098
岗松	baeckea frutescens L.	y=0.9457x^0.8210	0.9457		y=0.9446x^0.9236	0.9446	y=0.6284x^0.4561	0.6284		y=0.6468x^0.2978	0.6468
山黄麻	Trema tomentosa	y=0.0103x+0.324			0.3078		y=0.001x+0.0512	0.5979		y=0.004x+0.1256	0.2217
灌木层	Shrubs	W=0.2216x^1.0018	0.9033		W= -8E-06x²+ 0.0374x	0.8058	W=6E-06x²+ 0.0325x	0.6843		W= -3E-05x²+ 0.2424x	0.7774

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