Chin J Plan Ecolo ›› 2017, Vol. 41 ›› Issue (1): 31-42.doi: 10.17521/cjpe.2016.0251

• Research Articles • Previous Articles     Next Articles

Leaf nitrogen and phosphorus concentration and the empirical regulations in dominant woody plants of shrublands across southern China

Jia-Xiang LI1,2, Wen-Ting XU1, Gao-Ming XIONG1, Yang WANG1, Chang-Ming ZHAO1, Zhi-Jun LU3, Yue-Lin LI4, Zong-Qiang XIE1,*()   

  1. 1State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

    2College of Forest, Central South University of Forestry & Technology, Changsha 410004, China;

    3Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
    and
    4South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
  • Received:2016-07-28 Accepted:2016-12-25 Online:2017-01-23 Published:2017-01-10
  • Contact: Zong-Qiang XIE E-mail:xie@ibcas.ac.cn
  • About author:

    KANG Jing-yao(1991-), E-mail: kangjingyao_nj@163.com

Abstract:

Aims Understanding the changes in N and P concentration in plant organs along the environmental gradients can provide meaningful information to reveal the underline mechanisms for the geochemical cycles and adaptation strategies of plants to the changing environment. In this paper, we aimed to answer: (1) How did the N and P concentration in leaves of evergreen and deciduous woody plants change along the environmental gradients? (2) What were the main factors regulating the N and P concentration in leaves of woody plants in the shrublands across southern China?
Methods Using a stratified random sampling method, we sampled 193 dominant woody plants in 462 sites of 12 provinces in southern China. Leaf samples of dominant woody plants, including 91 evergreen and 102 deciduous shrubs, and soil samples at each site were collected. N and P concentration of the leaves and soils were measured after lapping and sieving. Kruskal-Wallis and Nemenyi tests were applied to quantify the difference among the organs and life-forms. For each life-form, the binary linear regression was used to estimate the relationships between leaf log [N] and log [P] concentration and mean annual air temperature (MAT), mean annual precipitation (MAP) and log soil total [N], [P]. The effects of climate, soil and plant life-form on leaf chemical traits were modeled through the general linear models (GLMs) and F-tests.
Important findings 1) The geometric means of leaf N and P concentrations of the dominant woody plants were 16.57 mg·g-1 and 1.02 mg·g-1, respectively. The N and P concentration in leaves (17.91 mg·g-1, 1.14 mg·g-1) of deciduous woody plants was higher than those of evergreen woody plants (15.19 mg·g-1, 0.89 mg·g-1). The dependent of leaf P concentration on environmental (climate and soil) appeared more variable than N concentration. 2) Leaf N and P in evergreen woody plants decreased with MAT and but increased with MAP, whereas those in deciduous woody plants showed opposite trends. With increase in MAP, leaf P concentration decreased for both evergreen and deciduous woody plants. 3) Soil N concentration had no significant effect on both evergreen and deciduous woody plants. However, leaf P concentration of the tow increased significantly with soil P concentration. (4) GLMs showed that plant growth form explained 7.6% and 14.4% of variation in leaf N and P, respectively. MAP and soil P concentration contributed 0.8% and 16.4% of the variation in leaf P, respectively. These results suggested that leaf N was mainly influenced by plant growth form, while leaf P concentration was driven by soil, plant life-form, and climate at our study sites.

Key words: tropical and subtropical region, plant functional traits, life form, ecological stoichiometry

Appendix I(1)

Plant catalogue and life form of dominant woody plants in shrublands across southern China"

科名 Family 属名 Genera 种名 Species 生活型 Life form
八角枫科 Alangiaceae 八角枫属 Alangium 瓜木 Alangium platanifoliam 落叶 Deciduous
漆树科 Anacardiaceae 黄栌属 Cotinus 黄栌 Cotinus coggygria 落叶 Deciduous
漆树科 Anacardiaceae 盐肤木属 Rhus 盐肤木 Rhus chinensis 落叶 Deciduous
漆树科 Anacardiaceae 漆属 Toxicodendron 野漆 Toxicodendron succedaneum 落叶 Deciduous
番荔枝科 Annonaceae 假鹰爪属 Desmos 假鹰爪 Desmos chinensis 常绿 Evergreen
番荔枝科 Annonaceae 暗罗属 Polyalthia 细基丸 Polyalthia cerasoides 常绿 Evergreen
番荔枝科 Annonaceae 紫玉盘属 Uvaria 紫玉盘 Uvaria microcarpa 常绿 Evergreen
冬青科 Aquifoliaceae 冬青属 Ilex 秤星树 Ilex asprella 落叶 Deciduous
冬青科 Aquifoliaceae 冬青属 Ilex 刺叶冬青 Ilex bioritsensis 常绿 Evergreen
冬青科 Aquifoliaceae 冬青属 Ilex 冬青 Ilex chinensis 常绿 Evergreen
冬青科 Aquifoliaceae 冬青属 Ilex 大叶冬青 Ilex latifolia 常绿 Evergreen
冬青科 Aquifoliaceae 冬青属 Ilex 具柄冬青 Ilex pedunculosa 常绿 Evergreen
五加科 Araliaceae 楤木属 Aralia 楤木 Aralia chinensis 落叶 Deciduous
禾本科 Gramineae 箭竹属 Fargesia 箭竹 Fargesia spathacea 常绿 Evergreen
禾本科 Gramineae 刚竹属 Phyllostachys 篌竹 Phyllostachys nidularia 常绿 Evergreen
禾本科 Gramineae 刚竹属 Phyllostachys 金竹 Phyllostachys sulphurea 常绿 Evergreen
桦木科 Betulaceae 鹅耳枥属 Carpinus 鹅耳枥 Carpinus turczaninowii 落叶 Deciduous
紫葳科 Bignoniaceae 菜豆树属 Radermachera 菜豆树 Radermachera sinica 常绿 Evergreen
紫草科 Boraginaceae 基及树属 Carmona 基及树 Carmona micarophylla 常绿 Evergreen
忍冬科 Caprifoliaceae 六道木属 Abelia 糯米条 Abelia chinensis 落叶 Deciduous
忍冬科 Caprifoliaceae 荚蒾属 Viburnum 金佛山荚蒾 Viburnum chinshanense 常绿 Evergreen
忍冬科 Caprifoliaceae 荚蒾属 Viburnum 荚蒾 Viburnum dilatatum 落叶 Deciduous
忍冬科 Caprifoliaceae 荚蒾属 Viburnum 红荚蒾 Viburnum erubescens 常绿 Evergreen
忍冬科 Caprifoliaceae 荚蒾属 Viburnum 球核荚蒾 Viburnum propinquum 常绿 Evergreen
忍冬科 Caprifoliaceae 荚蒾属 Viburnum 烟管荚蒾 Viburnum utile 常绿 Evergreen
忍冬科 Caprifoliaceae 锦带花属 Weigela 半边月 Weigela japonica var. sinica 落叶 Deciduous
卫矛科 Celastraceae 南蛇藤属 Celastrus 南蛇藤 Celastrus orbiculatus 落叶 Deciduous
卫矛科 Celastraceae 美登木属 Maytenus 刺茶美登木 Maytenus variabilis 常绿 Evergreen
牛栓藤科 Connaraceae 红叶藤属 Rourea 红叶藤 Rourea minor 常绿 Evergreen
马桑科 Coriariaceae 马桑属 Coriaria 马桑 Coriaria nepalensis 落叶 Deciduous
山茱萸科 Cornaceae 鞘柄木属 Toricellia 角叶鞘柄木 Toricellia angulata 落叶 Deciduous
柿树科 Ebenaceae 柿树属 Diospyros 野柿 Diospyros kaki var. silvestris 落叶 Deciduous
杜鹃花科 Ericaceae 珍珠花属 Lyonia 小果珍珠花 Lyonia ovalifolia var. elliptica 落叶 Deciduous
杜鹃花科 Ericaceae 杜鹃属 Rhododendron 满山红 Rhododendron mariesii 落叶 Deciduous
杜鹃花科 Ericaceae 杜鹃属 Rhododendron 杜鹃 Rhododendron simsii 落叶 Deciduous
杜鹃花科 Ericaceae 越桔属 Vaccinium 南烛 Vaccinium bracteatum 常绿 Evergreen
杜鹃花科 Ericaceae 越桔属 Vaccinium 短尾越桔 Vaccinium carlesii 常绿 Evergreen
杜鹃花科 Ericaceae 越桔属 Vaccinium 江南越桔 Vaccinium mandarinorum 常绿 Evergreen
大戟科 Euphorbiaceae 山麻杆属 Alchornea 红背山麻杆 Alchornea trewioides 落叶 Deciduous
科名 Family 属名 Genera 种名 Species 生活型 Life form
大戟科 Euphorbiaceae 重阳木属 Bischofia 重阳木 Bischofia polycarpa 落叶 Deciduous
大戟科 Euphorbiaceae 黑面神属 Breynia 黑面神 Breynia fruticosa 常绿 Evergreen
大戟科 Euphorbiaceae 算盘子属 Glochidion 算盘子 Glochidion puberum 落叶 Deciduous
大戟科 Euphorbiaceae 野桐属 Mallotus 白背叶 Mallotus apelta 落叶 Deciduous
大戟科 Euphorbiaceae 野桐属 Mallotus 野桐 Mallotus japonicus var. floccosus 落叶 Deciduous
大戟科 Euphorbiaceae 叶下珠属 Phyllanthus 余甘子 Phyllanthus emblica 落叶 Deciduous
大戟科 Euphorbiaceae 乌桕属 Sapium 乌桕 Sapium sebiferum 落叶 Deciduous
壳斗科 Fagaceae 栗属 Castanea 茅栗 Castanea seguinii 落叶 Deciduous
壳斗科 Fagaceae 栲属 Castanopsis 苦槠 Castanopsis sclerophylla 常绿 Evergreen
壳斗科 Fagaceae 青冈属 Cyclobalanopsis 青冈 Cyclobalanopsis glauca 常绿 Evergreen
壳斗科 Fagaceae 青冈属 Cyclobalanopsis 细叶青冈 Cyclobalanopsis gracilis 常绿 Evergreen
壳斗科 Fagaceae 青冈属 Cyclobalanopsis 多脉青冈 Cyclobalanopsis multinervis 常绿 Evergreen
壳斗科 Fagaceae 青冈属 Cyclobalanopsis 曼青冈 Cyclobalanopsis oxyodon 常绿 Evergreen
壳斗科 Fagaceae 石栎属 Lithocarpus 石栎 Lithocarpus glaber 常绿 Evergreen
壳斗科 Fagaceae 栎属 Quercus 麻栎 Quercus acutissima 落叶 Deciduous
壳斗科 Fagaceae 栎属 Quercus 槲栎 Quercus aliena 落叶 Deciduous
壳斗科 Fagaceae 栎属 Quercus 小叶栎 Quercus chenii 落叶 Deciduous
壳斗科 Fagaceae 栎属 Quercus 白栎 Quercus fabri 落叶 Deciduous
壳斗科 Fagaceae 栎属 Quercus 短柄枹栎 Quercus serrata var. brevipetiolata 落叶 Deciduous
壳斗科 Fagaceae 栎属 Quercus 栓皮栎 Quercus variabilis 落叶 Deciduous
大风子科 Flacourtiaceae 山桂花属 Bennettiodendron 山桂花 Bennettiodendron leprosipes 常绿 Evergreen
大风子科 Flacourtiaceae 刺篱木属 Flacourtia 刺篱木 Flacourtia indica 落叶 Deciduous
大风子科 Flacourtiaceae 箣柊属 Scolopia 珍珠箣柊 Scolopia henryi 常绿 Evergreen
藤黄科 Guttiferae 黄牛木属 Cratoxylum 黄牛木 Cratoxylum cochinchinensis 常绿 Evergreen
藤黄科 Guttiferae 金丝桃属 Hypericum 金丝桃 Hypericum monogynum 落叶 Deciduous
金缕梅科 Hamamelidaceae 蜡瓣花属 Corylopsis 蜡瓣花 Corylopsis sinensis 落叶 Deciduous
金缕梅科 Hamamelidaceae 金缕梅属 Hamamelis 金缕梅 Hamamelis mollis 落叶 Deciduous
金缕梅科 Hamamelidaceae 枫香树属 Liquidambar 枫香树 Liquidambar formosana 落叶 Deciduous
金缕梅科 Hamamelidaceae 檵木属 Loropetalum 檵木 Loropetalum chinense 常绿 Evergreen
胡桃科 Juglandaceae 化香树属 Platycarya 化香树 Platycarya strobilacea 落叶 Deciduous
樟科 Lauraceae 山胡椒属 Lindera 乌药 Lindera aggregata 常绿 Evergreen
樟科 Lauraceae 山胡椒属 Lindera 香叶树 Lindera communis 常绿 Evergreen
樟科 Lauraceae 山胡椒属 Lindera 香叶子 Lindera fragrans 常绿 Evergreen
樟科 Lauraceae 山胡椒属 Lindera 山胡椒 Lindera glauca 落叶 Deciduous
樟科 Lauraceae 木姜子属 Litsea 山鸡椒 Litsea cubeba 落叶 Deciduous
樟科 Lauraceae 木姜子属 Litsea 潺槁木姜子 Litsea glutinosa 常绿 Evergreen
樟科 Lauraceae 木姜子属 Litsea 毛叶木姜子 Litsea mollis 落叶 Deciduous
樟科 Lauraceae 木姜子属 Litsea 木姜子 Litsea pungens 落叶 Deciduous
樟科 Lauraceae 木姜子属 Litsea 豺皮樟 Litsea rotundifolia var. oblongifolia 常绿 Evergreen
樟科 Lauraceae 木姜子属 Litsea 钝叶木姜子 Litsea veitchiana 常绿 Evergreen
樟科 Lauraceae 润楠属 Machilus 黄绒润楠 Machilus grijsii 常绿 Evergreen
樟科 Lauraceae 润楠属 Machilus 绒毛润楠 Machilus velutina 常绿 Evergreen
豆科 Leguminosae 金合欢属 Acacia 金合欢 Acacia farnesiana 落叶 Deciduous
豆科 Leguminosae 合欢属 Albizia 合欢 Albizia julibrissin 落叶 Deciduous
豆科 Leguminosae 合欢属 Albizia 山槐 Albizia kalkora 落叶 Deciduous
豆科 Leguminosae 紫穗槐属 Amorpha 紫穗槐 Amorpha fruticosa 落叶 Deciduous
豆科 Leguminosae 羊蹄甲属 Bauhinia 龙须藤 Bauhinia championii 常绿 Evergreen
豆科 Leguminosae 羊蹄甲属 Bauhinia 羊蹄甲 Bauhinia purpurea 落叶 Deciduous
豆科 Leguminosae 云实属 Caesalpinia 云实 Caesalpinia decapetala 落叶 Deciduous
豆科 Leguminosae 杭子梢属 Campylotropis 杭子梢 Campylotropis macrocarpa 落叶 Deciduous
豆科 Leguminosae 黄檀属 Dalbergia 黄檀 Dalbergia hupeana 落叶 Deciduous
豆科 Leguminosae 黄檀属 Dalbergia 象鼻藤 Dalbergia mimosoides 落叶 Deciduous
豆科 Leguminosae 木蓝属 Indigofera 苏木蓝 Indigofera carlesii 落叶 Deciduous
豆科 Leguminosae 木蓝属 Indigofera 马棘 Indigofera pseudotinctoria 落叶 Deciduous

Appendix I(2)

Plant catalogue and life form of dominant woody plants in shrublands across southern China"

科名 Family 属名 Genera 种名 Species 生活型 Life form
豆科 Leguminosae 胡枝子属 Lespedeza 胡枝子 Lespedeza bicolor 落叶 Deciduous
豆科 Leguminosae 银合欢属 Leucaena 银合欢 Leucaena leucocephala 落叶 Deciduous
百合科 Liliaceae 龙血树属 Dracaena 海南龙血树 Dracaena cambodiana 常绿 Evergreen
千屈菜科 Lythraceae 紫薇属 Lagerstroemia 紫薇 Lagerstroemia indica 落叶 Deciduous
锦葵科 Malvaceae 梵天花属 Urena 地桃花 Urena lobata var. lobata 落叶 Deciduous
锦葵科 Malvaceae 梵天花属 Urena 梵天花 Urena procumbens 落叶 Deciduous
野牡丹科 Melastomataceae 野牡丹属 Melastoma 野牡丹 Melastoma candidum 常绿 Evergreen
野牡丹科 Melastomataceae 野牡丹属 Melastoma 毛稔 Melastoma sanguineum 常绿 Evergreen
野牡丹科 Melastomataceae 金锦香属 Osbeckia 朝天罐 Osbeckia opipara 常绿 Evergreen
楝科 Meliaceae 浆果楝属 Cipadessa 灰毛浆果楝 Cipadessa cinerascens 落叶 Deciduous
桑科 Moraceae 构树属 Broussonetia 小构 Broussonetia kazinoki 落叶 Deciduous
桑科 Moraceae 构树属 Broussonetia 构树 Broussonetia papyifera 落叶 Deciduous
桑科 Moraceae 柘属 Cudrania 柘树 Cudrania tricuspidata 落叶 Deciduous
桑科 Moraceae 榕属 Ficus 山榕 Ficus heterophylla 落叶 Deciduous
桑科 Moraceae 榕属 Ficus 对叶榕 Ficus hispida 常绿 Evergreen
桑科 Moraceae 榕属 Ficus 榕树 Ficus microcarpa 常绿 Evergreen
桑科 Moraceae 鹊肾树属 Streblus 叶被木 Streblus taxoides 常绿 Evergreen
紫金牛科 Myrsinaceae 铁仔属 Myrsine 铁仔 Myrsine africana 常绿 Evergreen
桃金娘科 Myrtaceae 岗松属 Baeckea 岗松 Baeckea frutescens 常绿 Evergreen
桃金娘科 Myrtaceae 番石榴属 Psidium 番石榴 Psidium guajava 常绿 Evergreen
桃金娘科 Myrtaceae 桃金娘属 Rhodomyrtus 桃金娘 Rhodomyrtus tomentosa 常绿 Evergreen
桃金娘科 Myrtaceae 蒲桃属 Syzygium 赤楠 Syzygium buxifolium 常绿 Evergreen
桃金娘科 Myrtaceae 蒲桃属 Syzygium 方枝蒲桃 Syzygium tephrodes 常绿 Evergreen
木犀科 Oleaceae 流苏树属 Chionanthus 流苏树 Chionanthus retusus 落叶 Deciduous
木犀科 Oleaceae 女贞属 Ligustrum 女贞 Ligustrum lucidum 常绿 Evergreen
木犀科 Oleaceae 女贞属 Ligustrum 小蜡 Ligustrum sinense 常绿 Evergreen
露兜树科 Pandanaceae 露兜树属 Pandanus 露兜树 Pandanus tectorius 常绿 Evergreen
海桐花科 Pittosporaceae 海桐属 Pittosporum 海桐 Pittosporum tobira 常绿 Evergreen
鼠李科 Rhamnaceae 鼠李属 Rhamnus 长叶冻绿 Rhamnus crenata 落叶 Deciduous
鼠李科 Rhamnaceae 鼠李属 Rhamnus 圆叶鼠李 Rhamnus globosa 落叶 Deciduous
鼠李科 Rhamnaceae 鼠李属 Rhamnus 皱叶鼠李 Rhamnus rugulosa 落叶 Deciduous
鼠李科 Rhamnaceae 雀梅藤属 Sageretia 雀梅藤 Sageretia thea 落叶 Deciduous
蔷薇科 Rosaceae 桃属 Amygdalus Amygdalus persica 落叶 Deciduous
蔷薇科 Rosaceae 稠李属 Padus 稠李 Padus racemosa 落叶 Deciduous
蔷薇科 Rosaceae 火棘属 Pyracantha 火棘 Pyracantha fortuneana 常绿 Evergreen
蔷薇科 Rosaceae 石斑木属 Raphiolepis 石斑木 Raphiolepis indica 常绿 Evergreen
蔷薇科 Rosaceae 蔷薇属 Rosa 小果蔷薇 Rosa cymosa 落叶 Deciduous
蔷薇科 Rosaceae 蔷薇属 Rosa 黄刺玫 Rosa xanthina 落叶 Deciduous
蔷薇科 Rosaceae 悬钩子属 Rubus 乌泡子 Rubus parkeri 落叶 Deciduous
蔷薇科 Rosaceae 绣线菊属 Spiraea 麻叶绣线菊 Spiraea cantoniensis 落叶 Deciduous
蔷薇科 Rosaceae 绣线菊属 Spiraea 中华绣线菊 Spiraea chinensis 落叶 Deciduous
蔷薇科 Rosaceae 绣线菊属 Spiraea 疏毛绣线菊 Spiraea hirsuta 落叶 Deciduous
蔷薇科 Rosaceae 绣线菊属 Spiraea 鄂西绣线菊 Spiraea veitchii 落叶 Deciduous
茜草科 Rubiaceae 水团花属 Adina 水团花 Adina pilulifera 常绿 Evergreen
茜草科 Rubiaceae 水团花属 Adina 细叶水团花 Adina rubella 落叶 Deciduous
茜草科 Rubiaceae 鱼骨木属 Canthium 猪肚木 Canthium horridum 常绿 Evergreen
茜草科 Rubiaceae 栀子属 Gardenia 栀子 Gardenia jasminoides 常绿 Evergreen
茜草科 Rubiaceae 野丁香属 Leptodermis 薄皮木 Leptodermis oblonga 落叶 Deciduous
茜草科 Rubiaceae 玉叶金花属 Mussaenda 大叶白纸扇 Mussaenda esquirollii 落叶 Deciduous
茜草科 Rubiaceae 九节属 Psychotria 九节 Psychotria rubra 常绿 Evergreen
茜草科 Rubiaceae 六月雪属 Serissa 六月雪 Serissa japonica 常绿 Evergreen
芸香科 Rutaceae 黄皮属 Clausena 假黄皮 Clausena excavata 常绿 Evergreen
芸香科 Rutaceae 花椒属 Zanthoxylum 竹叶花椒 Zanthoxylum armatum 落叶 Deciduous
芸香科 Rutaceae 花椒属 Zanthoxylum 簕欓花椒Zanthoxylum avicennae 常绿 Evergreen
科名 Family 属名 Genera 种名 Species 生活型 Life form
芸香科 Rutaceae 花椒属 Zanthoxylum 花椒 Zanthoxylum bungeanum 落叶 Deciduous
杨柳科 Salicaceae 柳属 Salix 杞柳 Salix integra 落叶 Deciduous
杨柳科 Salicaceae 柳属 Salix 秋华柳 Salix variegata 落叶 Deciduous
杨柳科 Salicaceae 柳属 Salix 皂柳 Salix wallichiana 落叶 Deciduous
无患子科 Sapindaceae 无患子属 Sapindus 无患子 Sapindus saponaria 落叶 Deciduous
虎耳草科 Saxifragaceae 鼠刺属 Itea 鼠刺 Itea chinensis 常绿 Evergreen
虎耳草科 Saxifragaceae 鼠刺属 Itea 冬青叶鼠刺 Itea ilicifolia 常绿 Evergreen
虎耳草科 Saxifragaceae 鼠刺属 Itea 矩叶鼠刺 Itea oblonga 常绿 Evergreen
苦木科 Simaroubaceae 牛筋果属 Harrisonia 牛筋果 Harrisonia perforata 常绿 Evergreen
省沽油科 Staphyleaceae 野鸦椿属 Euscaphis 野鸦椿 Euscaphis japonica 落叶 Deciduous
梧桐科 Sterculiaceae 翅子树属 Pterospermum 翻白叶树 Pterospermum heterophyllum 常绿 Evergreen
安息香科 Styracaceae 赤杨叶属 Alniphyllum 赤杨叶 Alniphyllum fortunei 落叶 Deciduous
安息香科 Styracaceae 安息香属 Styrax 野茉莉 Styrax japonicus 落叶 Deciduous
安息香科 Styracaceae 安息香属 Styrax 芬芳安息香 Styrax odoratissima 落叶 Deciduous
山矾科 Symplocaceae 山矾属 Symplocos 白檀 Symplocos paniculata 落叶 Deciduous
山矾科 Symplocaceae 山矾属 Symplocos 叶萼山矾 Symplocos phyllocalyx 常绿 Evergreen
山矾科 Symplocaceae 山矾属 Symplocos 山矾 Symplocos sumuntia 常绿 Evergreen
山矾科 Symplocaceae 山矾属 Symplocos 棱角山矾 Symplocos tetragona 常绿 Evergreen
山茶科 Theaceae 杨桐属 Adinandra 杨桐 Adinandra millettii 常绿 Evergreen
山茶科 Theaceae 山茶属 Camellia 贵州连蕊茶 Camellia costei 常绿 Evergreen
山茶科 Theaceae 山茶属 Camellia 尖连蕊茶 Camellia cuspidata var. cuspidata 常绿 Evergreen
山茶科 Theaceae 山茶属 Camellia 毛柄连蕊茶 Camellia fraterna 常绿 Evergreen
山茶科 Theaceae 山茶属 Camellia 山茶 Camellia japonica 常绿 Evergreen
山茶科 Theaceae 山茶属 Camellia 油茶 Camellia oleifera 常绿 Evergreen
山茶科 Theaceae 山茶属 Camellia Camellia sinensis 常绿 Evergreen
山茶科 Theaceae 红淡比属 Cleyera 红淡比 Cleyera japonica 常绿 Evergreen
山茶科 Theaceae 柃木属 Eurya 短柱柃 Eurya brevistyla 常绿 Evergreen
山茶科 Theaceae 柃木属 Eurya 柃木 Eurya japonica 常绿 Evergreen
山茶科 Theaceae 柃木属 Eurya 格药柃 Eurya muricata 常绿 Evergreen
山茶科 Theaceae 柃木属 Eurya 钝叶柃 Eurya obtusifolia 常绿 Evergreen
山茶科 Theaceae 木荷属 Schima 木荷 Schima superba 常绿 Evergreen
瑞香科 Thymelaeaceae 瑞香属 Daphne 倒卵叶瑞香 Daphne grueningiana 常绿 Evergreen
椴树科 Tiliaceae 扁担杆属 Grewia 扁担杆 Grewia biloba 落叶 Deciduous
榆科 Ulmaceae 朴属 Celtis 紫弹树 Celtis biondii 落叶 Deciduous
榆科 Ulmaceae 朴属 Celtis 朴树 Celtis sinensis 落叶 Deciduous
榆科 Ulmaceae 山油麻属 Trema 山油麻 Trema cannabina var. dielsiana 落叶 Deciduous
榆科 Ulmaceae 榆属 Ulmus 榆树 Ulmus pumila 落叶 Deciduous
荨麻科 Urticaceae 紫麻属 Oreocnide 紫麻 Oreocnide frutescens 常绿 Evergreen
马鞭草科 Verbenaceae 紫珠属 Callicarpa 紫珠 Callicarpa bodinieri 落叶 Deciduous
马鞭草科 Verbenaceae 大青属 Clerodendrum 大青 Clerodendrum cyrtophyllum 落叶 Deciduous
马鞭草科 Verbenaceae 马缨丹属 Lantana 马缨丹 Lantana camara 常绿 Evergreen
马鞭草科 Verbenaceae 牡荆属 Vitex 黄荆 Vitex negundo 落叶 Deciduous
马鞭草科 Verbenaceae 牡荆属 Vitex 牡荆 Vitex negundo var. cannabifolia 落叶 Deciduous
马鞭草科 Verbenaceae 牡荆属 Vitex 荆条 Vitex negundo var. heterophylla 落叶 Deciduous
马鞭草科 Verbenaceae 牡荆属 Vitex 山牡荆 Vitex quinata 落叶 Deciduous
马鞭草科 Verbenaceae 牡荆属 Vitex 蔓荆 Vitex trifolia 落叶 Deciduous

Table 1

Leaf N and P concentration of dominant woody plants in shrublands across southern China"

生活型
Life-form
N含量 N content (mg·g-1) P含量 P content (mg·g-1)
n GM Range CV n GM Range CV
常绿木本植物 Evergreen woody plants 91 15.19a 7.68-33.00 0.31 91 0.89a 0.37-3.81 0.52
落叶木本植物 Deciduous woody plants 102 17.91b 5.06-43.78 0.35 102 1.14b 0.18-4.04 0.47
所有木本植物 All woody plants 193 16.57 5.06-43.78 0.35 193 1.02 0.18-4.04 0.50

Fig. 1

Effects of mean annual temperature (MAT) and mean annual precipitation (MAP) on leaf N concentration of evergreen (A, B) and deciduous woody plants (C, D)."

Fig. 2

Effects of mean annual temperature (MAT) and mean annual precipitation (MAP) on leaf P concentrations of evergreen (A, B) and deciduous woody plants (C, D)."

Fig. 3

Effects of soil N, P concentration on leaf N, P concentration of evergreen (A, B) and deciduous woody plants (C, D)."

Table 2

Summary of general linear models for leaf N and P content of woody plants"

因子 Factor 叶片氮含量 Leaf N content 叶片磷含量 Leaf P content
DF MS F SS% DF MS F SS%
生活型 Life form 1 2.08 78.51 7.6 1 5.79 199.75 14.4
年平均气温 MAT (℃) 1 0.07 2.68 1 0.00 0.05
年降水量 MAP (mm) 1 0.09 3.24 1 0.31 10.52 0.8
土壤氮含量 Soil N content (mg·g-1) 1 0.03 1.22 1 0.37 12.91 0.9
土壤磷含量 Soil P content (mg·g-1) 1 0.63 23.58 2.3 1 6.57 226.60 16.4
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