生物多样性 ›› 2023, Vol. 31 ›› Issue (5): 23059. DOI: 10.17520/biods.2023059
陈哲涵1,2, 尹进2, 叶吉2,5, 刘冬伟2,3,4,5, 毛子昆2,5, 房帅2,5, 蔺菲2,5,*(), 王绪高2,5
收稿日期:
2023-02-21
接受日期:
2023-03-28
出版日期:
2023-05-20
发布日期:
2023-05-19
通讯作者:
* E-mail: 基金资助:
Zhehan Chen1,2, Jin Yin2, Ji Ye2,5, Dongwei Liu2,3,4,5, Zikun Mao2,5, Shuai Fang2,5, Fei Lin2,5,*(), Xugao Wang2,5
Received:
2023-02-21
Accepted:
2023-03-28
Online:
2023-05-20
Published:
2023-05-19
Contact:
* E-mail: 摘要:
主要由人类活动造成的气候变暖导致陆地植物多样性和群落结构发生改变, 森林草本层作为森林生态系统植物多样性的主要贡献者, 对气候变暖的响应十分显著, 而目前仍缺乏相关研究。本研究基于中国科学院清原森林生态系统观测研究站搭建的红外线模拟增温平台, 分析了表层土壤(0-10 cm)增温2℃条件下林下草本层群落在生长季受到的影响。结果表明: 增温第4-5年间, 对照和增温处理下的草本植物多样性无显著差异, 但增温处理下各季节的多样性指数均较对照处理呈现减小趋势; 对照和增温处理下的草本层群落总体盖度和多度无显著差异, 但群落组成及结构发生显著改变。不同优势种对增温的响应趋势不同。年优势种中, 山茄子(Brachybotrys paridiformis)的响应最显著, 其重要值、多度和盖度在各季节均显著增加, 而龙头草(Meehania henryi)在各季节显著减少, 白花碎米荠(Cardamine leucantha)和荷青花(Hylomecon japonica)的响应不显著; 季节优势种中, 春季优势种单花韭(Allium monanthum)重要值显著降低, 五福花(Adoxa moschatellina)重要值显著增加, 夏季优势种珠芽艾麻(Laportea bulbifera)无显著响应。综上, 增温对该区森林草本植物多样性无明显影响, 但可能导致某些物种物候期提前, 改变群落内物种对光等资源的竞争关系, 或者影响某些物种的功能性状, 显著改变不同季节部分优势种的重要值、多度和盖度, 导致草本层群落组成和结构发生变化。
陈哲涵, 尹进, 叶吉, 刘冬伟, 毛子昆, 房帅, 蔺菲, 王绪高 (2023) 增温对东北温带次生林草本群落季节动态的影响. 生物多样性, 31, 23059. DOI: 10.17520/biods.2023059.
Zhehan Chen, Jin Yin, Ji Ye, Dongwei Liu, Zikun Mao, Shuai Fang, Fei Lin, Xugao Wang (2023) Effects of simulated warming on seasonal dynamics of herbaceous diversity in temperate secondary forests in Northeast China. Biodiversity Science, 31, 23059. DOI: 10.17520/biods.2023059.
图1 2021年和2022年生长季内对照和增温处理下的土壤温度和土壤湿度
Fig. 1 Soil temperature and humidity under control and warming treatments during the growing seasons in 2021 and 2022
物种 Species | 科 Family | 属 Genus | 处理独有 Unique of treatment | 优势种 Dominant species |
---|---|---|---|---|
白花碎米荠 Cardamine leucantha | 十字花科 Brassicaceae | 碎米荠属 Cardamine | 年优势种 Annual dominant species | |
齿瓣延胡索 Corydalis turtschaninovii | 罂粟科 Papaveraceae | 紫堇属 Corydalis | 非优势种 Non-dominant species | |
穿龙薯蓣 Dioscorea nipponica | 薯蓣科 Dioscoreaceae | 薯蓣属 Dioscorea | 对照 Control | 非优势种 Non-dominant species |
单花韭 Allium monanthum | 百合科 Liliaceae | 葱属 Allium | 春季优势种 Spring dominant species | |
东北百合 Lilium distichum | 百合科 Liliaceae | 百合属 Lilium | 对照 Control | 非优势种 Non-dominant species |
东北天南星 Arisaema amurense | 天南星科 Araceae | 天南星属 Arisaema | 非优势种 Non-dominant species | |
东北羊角芹 Aegopodium alpestre | 伞形科 Umbelliferae | 羊角芹属 Aegopodium | 非优势种 Non-dominant species | |
短果茴芹 Pimpinella brachycarpa | 伞形科 Umbelliferae | 茴芹属 Pimpinella | 增温 Warming | 非优势种 Non-dominant species |
多被银莲花 Anemone raddeana | 毛茛科 Ranunculaceae | 银莲花属 Anemone | 非优势种 Non-dominant species | |
二叶舞鹤草 Maianthemum bifolium | 百合科 Liliaceae | 舞鹤草属 Maianthemum | 对照 Control | 非优势种 Non-dominant species |
孩儿参 Pseudostellaria heterophylla | 石竹科 Caryophyllaceae | 孩儿参属 Pseudostellaria | 非优势种 Non-dominant species | |
和尚菜 Adenocaulon himalaicum | 菊科 Compositae | 和尚菜属 Adenocaulon | 非优势种 Non-dominant species | |
荷青花 Hylomecon japonica | 罂粟科 Papaveraceae | 荷青花属 Hylomecon | 年优势种 Annual dominant species | |
猴腿蹄盖蕨 Athyrium multidentatum | 蹄盖蕨科 Athyriaceae | 蹄盖蕨属 Athyrium | 非优势种 Non-dominant species | |
黄精 Polygonatum sibiricum | 百合科 Liliaceae | 黄精属 Polygonatum | 非优势种 Non-dominant species | |
鸡腿堇菜 Viola acuminata | 堇菜科 Violaceae | 堇菜属 Viola | 增温 Warming | 非优势种 Non-dominant species |
老鹳草 Geranium wilfordii | 牻牛儿苗科 Geraniaceae | 老鹤草属 Geranium | 非优势种 Non-dominant species | |
林茜草 Rubia sylvatica | 茜草科 Rubiaceae | 茜草属 Rubia | 非优势种 Non-dominant species | |
龙头草 Meehania henryi | 唇形科 Lamiacea | 龙头草属Meehania | 年优势种 Annual dominant species | |
鹿药 Smilacina japonica | 百合科 Liliaceae | 鹿药属 Smilacina | 非优势种 Non-dominant species | |
球果堇菜 Viola collina | 堇菜科 Violaceae | 堇菜属 Viola | 非优势种 Non-dominant species | |
全叶延胡索 Corydalis repens | 罂粟科 Papaveraceae | 紫堇属 Corydalis | 非优势种 Non-dominant species | |
山花拉拉藤 Galium spurium | 茜草科 Rubiaceae | 拉拉藤属 Galium | 非优势种 Non-dominant species | |
山茄子 Brachybotrys paridiformis | 紫草科 Boraginaceae | 山茄子属 Brachybotrys | 年优势种 Annual dominant species | |
深山毛茛 Ranunculus franchetii | 毛茛科 Ranunculaceae | 毛茛属 Ranunculus | 对照 Control | 非优势种 Non-dominant species |
升麻 Cimicifuga foetida | 毛茛科 Ranunculaceae | 升麻属 Cimicifuga | 增温 Warming | 非优势种 Non-dominant species |
水金凤 Impatiens nolitangere | 凤仙花科 Balsaminaceae | 凤仙花属 Impatiens | 非优势种 Non-dominant species | |
路边青 Geum aleppicum | 茜草科 Rubiaceae | 路边青属 Geum | 增温 Warming | 非优势种 Non-dominant species |
薹草 Carex spp. | 莎草科 Cyperaceae | 薹草属 Carex | 非优势种 Non-dominant species | |
透骨草 Phryma leptostachya subsp. asiatica | 透骨草科 Hrymataceae | 透骨草属 Phryma | 对照 Control | 非优势种 Non-dominant species |
菟葵 Eranthis stellata | 毛茛科 Ranunculaceae | 菟葵属 Ranunculus | 非优势种 Non-dominant species | |
乌头 Aconitum carmichaeli | 毛茛科 Ranunculaceae | 乌头属 Aconitum | 非优势种 Non-dominant species | |
五福花 Adoxa moschatellina | 五福花科 Adoxaceae | 五福花属 Adoxa | 春季优势种 Spring dominant species | |
舞鹤草 Maianthemum bifolium | 百合科 Liliaceae | 舞鹤草属 Maianthemum | 对照 Control | 非优势种 Non-dominant species |
西山堇菜 Viola hancockii | 堇菜科 Violaceae | 堇菜属 Viola | 非优势种 Non-dominant species | |
野芝麻 Lamium barbatum | 唇形科 Lamiaceae | 野芝麻属 Lamium | 对照 Control | 非优势种 Non-dominant species |
珠芽艾麻 Laportea bulbifera | 荨麻科 Urticaceae | 艾麻属 Laportea | 夏季优势种 Summer dominant species |
表1 对照和增温处理下东北温带次生林草本层的植物物种组成
Table 1 Plant species composition of herbaceous layer in temperate secondary forest in Northeast China under control and warming treatments
物种 Species | 科 Family | 属 Genus | 处理独有 Unique of treatment | 优势种 Dominant species |
---|---|---|---|---|
白花碎米荠 Cardamine leucantha | 十字花科 Brassicaceae | 碎米荠属 Cardamine | 年优势种 Annual dominant species | |
齿瓣延胡索 Corydalis turtschaninovii | 罂粟科 Papaveraceae | 紫堇属 Corydalis | 非优势种 Non-dominant species | |
穿龙薯蓣 Dioscorea nipponica | 薯蓣科 Dioscoreaceae | 薯蓣属 Dioscorea | 对照 Control | 非优势种 Non-dominant species |
单花韭 Allium monanthum | 百合科 Liliaceae | 葱属 Allium | 春季优势种 Spring dominant species | |
东北百合 Lilium distichum | 百合科 Liliaceae | 百合属 Lilium | 对照 Control | 非优势种 Non-dominant species |
东北天南星 Arisaema amurense | 天南星科 Araceae | 天南星属 Arisaema | 非优势种 Non-dominant species | |
东北羊角芹 Aegopodium alpestre | 伞形科 Umbelliferae | 羊角芹属 Aegopodium | 非优势种 Non-dominant species | |
短果茴芹 Pimpinella brachycarpa | 伞形科 Umbelliferae | 茴芹属 Pimpinella | 增温 Warming | 非优势种 Non-dominant species |
多被银莲花 Anemone raddeana | 毛茛科 Ranunculaceae | 银莲花属 Anemone | 非优势种 Non-dominant species | |
二叶舞鹤草 Maianthemum bifolium | 百合科 Liliaceae | 舞鹤草属 Maianthemum | 对照 Control | 非优势种 Non-dominant species |
孩儿参 Pseudostellaria heterophylla | 石竹科 Caryophyllaceae | 孩儿参属 Pseudostellaria | 非优势种 Non-dominant species | |
和尚菜 Adenocaulon himalaicum | 菊科 Compositae | 和尚菜属 Adenocaulon | 非优势种 Non-dominant species | |
荷青花 Hylomecon japonica | 罂粟科 Papaveraceae | 荷青花属 Hylomecon | 年优势种 Annual dominant species | |
猴腿蹄盖蕨 Athyrium multidentatum | 蹄盖蕨科 Athyriaceae | 蹄盖蕨属 Athyrium | 非优势种 Non-dominant species | |
黄精 Polygonatum sibiricum | 百合科 Liliaceae | 黄精属 Polygonatum | 非优势种 Non-dominant species | |
鸡腿堇菜 Viola acuminata | 堇菜科 Violaceae | 堇菜属 Viola | 增温 Warming | 非优势种 Non-dominant species |
老鹳草 Geranium wilfordii | 牻牛儿苗科 Geraniaceae | 老鹤草属 Geranium | 非优势种 Non-dominant species | |
林茜草 Rubia sylvatica | 茜草科 Rubiaceae | 茜草属 Rubia | 非优势种 Non-dominant species | |
龙头草 Meehania henryi | 唇形科 Lamiacea | 龙头草属Meehania | 年优势种 Annual dominant species | |
鹿药 Smilacina japonica | 百合科 Liliaceae | 鹿药属 Smilacina | 非优势种 Non-dominant species | |
球果堇菜 Viola collina | 堇菜科 Violaceae | 堇菜属 Viola | 非优势种 Non-dominant species | |
全叶延胡索 Corydalis repens | 罂粟科 Papaveraceae | 紫堇属 Corydalis | 非优势种 Non-dominant species | |
山花拉拉藤 Galium spurium | 茜草科 Rubiaceae | 拉拉藤属 Galium | 非优势种 Non-dominant species | |
山茄子 Brachybotrys paridiformis | 紫草科 Boraginaceae | 山茄子属 Brachybotrys | 年优势种 Annual dominant species | |
深山毛茛 Ranunculus franchetii | 毛茛科 Ranunculaceae | 毛茛属 Ranunculus | 对照 Control | 非优势种 Non-dominant species |
升麻 Cimicifuga foetida | 毛茛科 Ranunculaceae | 升麻属 Cimicifuga | 增温 Warming | 非优势种 Non-dominant species |
水金凤 Impatiens nolitangere | 凤仙花科 Balsaminaceae | 凤仙花属 Impatiens | 非优势种 Non-dominant species | |
路边青 Geum aleppicum | 茜草科 Rubiaceae | 路边青属 Geum | 增温 Warming | 非优势种 Non-dominant species |
薹草 Carex spp. | 莎草科 Cyperaceae | 薹草属 Carex | 非优势种 Non-dominant species | |
透骨草 Phryma leptostachya subsp. asiatica | 透骨草科 Hrymataceae | 透骨草属 Phryma | 对照 Control | 非优势种 Non-dominant species |
菟葵 Eranthis stellata | 毛茛科 Ranunculaceae | 菟葵属 Ranunculus | 非优势种 Non-dominant species | |
乌头 Aconitum carmichaeli | 毛茛科 Ranunculaceae | 乌头属 Aconitum | 非优势种 Non-dominant species | |
五福花 Adoxa moschatellina | 五福花科 Adoxaceae | 五福花属 Adoxa | 春季优势种 Spring dominant species | |
舞鹤草 Maianthemum bifolium | 百合科 Liliaceae | 舞鹤草属 Maianthemum | 对照 Control | 非优势种 Non-dominant species |
西山堇菜 Viola hancockii | 堇菜科 Violaceae | 堇菜属 Viola | 非优势种 Non-dominant species | |
野芝麻 Lamium barbatum | 唇形科 Lamiaceae | 野芝麻属 Lamium | 对照 Control | 非优势种 Non-dominant species |
珠芽艾麻 Laportea bulbifera | 荨麻科 Urticaceae | 艾麻属 Laportea | 夏季优势种 Summer dominant species |
图2 2021年和2022年生长季对照和增温处理下东北温带次生林草本层的多样性指数(平均值 ± SE)
Fig. 2 Diversity indices of herbaceous layer in temperate secondary forest in Northeast China under control and warming treatments during growing seasons in 2021 and 2022 (mean ± SE)
图3 2021年和2022年生长季对照和增温处理下东北温带次生林草本层的群落盖度和多度(平均值 ± SE)
Fig. 3 Community coverage and abundance of herbaceous layer in temperate secondary forest in Northeast China under control and warming treatments during growing seasons in 2021 and 2022 (mean ± SE)
物种 Species | 季节 Season | 多度 Abundance | 盖度 Coverage | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2021 | 2022 | 2021 | 2022 | ||||||||||
df | F | P | df | F | P | df | F | P | df | F | P | ||
白花碎米荠 Cardamine leucantha | 春季 Spring | 1,41 | 2.862 | 0.099 | 1,42 | 1.563 | 0.219 | 1,41 | 0.793 | 0.395 | 1,42 | 1.138 | 0.292 |
夏季 Summer | 1,41 | 3.431 | 0.071 | 1,43 | 0.251 | 0.624 | 1,41 | 4.691 | 0.036 | 1,43 | 0.929 | 0.342 | |
秋季 Autumn | 1,36 | 0.148 | 0.702 | 1,23 | 2.392 | 0.136 | 1,36 | 0.002 | 0.96 | 1,23 | 4.535 | 0.044 | |
荷青花 Hylomecon japonica | 春季 Spring | 1,40 | 0.753 | 0.391 | 1,42 | 0.498 | 0.482 | 1,40 | 3.436 | 0.039 | 1,42 | 0.645 | 0.069 |
夏季 Summer | 1,20 | 1.459 | 0.241 | 1,30 | 0.321 | 0.575 | 1,20 | 4.624 | 0.044 | 1,30 | 3.165 | 0.478 | |
秋季 Autumn | - | - | - | 1,15 | 0.801 | 0.386 | - | - | - | 1,15 | 0.749 | 0.558 | |
龙头草 Meehania henryi | 春季 Spring | 1,45 | 8.001 | 0.015 | 1,46 | 11.424 | 0.001 | 1,45 | 3.056 | 0.162 | 1,46 | 5.006 | 0.046 |
夏季 Summer | 1,48 | 9.879 | 0.003 | 1,45 | 5.748 | 0.041 | 1,48 | 5.124 | 0.028 | 1,45 | 6.856 | 0.006 | |
秋季 Autumn | 1,48 | 9.272 | 0.004 | 1,33 | 0.571 | 0.456 | 1,48 | 3.58 | 0.065 | 1,33 | 0.002 | 0.968 | |
山茄子 Brachybotrys paridiformis | 春季 Spring | 1,24 | 8.333 | 0.001 | 1,31 | 5.084 | 0.015 | 1,24 | 8.219 | 0.0001 | 1,31 | 4.709 | 0.038 |
夏季 Summer | 1,30 | 3.032 | 0.092 | 1,31 | 4.701 | 0.001 | 1,30 | 0.733 | 0.399 | 1,31 | 3.251 | < 0.001 | |
秋季 Autumn | 1,29 | 13.601 | < 0.001 | 1,25 | 4.742 | 0.004 | 1,29 | 9.747 | 0.001 | 1,25 | 2.634 | 0.117 | |
群落 Community | 春季 Spring | 1,52 | 0.054 | 0.729 | 1,52 | 0.009 | 0.836 | 1,52 | 3.006 | 0.071 | 1,52 | 1.668 | 0.459 |
夏季 Summer | 1,52 | 2.397 | 0.128 | 1,52 | 0.629 | 0.401 | 1,52 | 0.054 | 0.817 | 1,52 | 0.005 | 0.696 | |
秋季 Autumn | 1,52 | 1.664 | 0.203 | 1,52 | 0.867 | 0.545 | 1,52 | 1.134 | 0.301 | 1,52 | 1.981 | 0.11 |
表2 增温对东北温带次生林草本层群落多度和盖度及4个年优势种多度和盖度影响的单因素方差分析结果
Table 2 Result of one-way analysis of variance on effects of warming on abundance and coverage of herbaceous layer in temperate secondary forest in Northeast China and four annual dominant species
物种 Species | 季节 Season | 多度 Abundance | 盖度 Coverage | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2021 | 2022 | 2021 | 2022 | ||||||||||
df | F | P | df | F | P | df | F | P | df | F | P | ||
白花碎米荠 Cardamine leucantha | 春季 Spring | 1,41 | 2.862 | 0.099 | 1,42 | 1.563 | 0.219 | 1,41 | 0.793 | 0.395 | 1,42 | 1.138 | 0.292 |
夏季 Summer | 1,41 | 3.431 | 0.071 | 1,43 | 0.251 | 0.624 | 1,41 | 4.691 | 0.036 | 1,43 | 0.929 | 0.342 | |
秋季 Autumn | 1,36 | 0.148 | 0.702 | 1,23 | 2.392 | 0.136 | 1,36 | 0.002 | 0.96 | 1,23 | 4.535 | 0.044 | |
荷青花 Hylomecon japonica | 春季 Spring | 1,40 | 0.753 | 0.391 | 1,42 | 0.498 | 0.482 | 1,40 | 3.436 | 0.039 | 1,42 | 0.645 | 0.069 |
夏季 Summer | 1,20 | 1.459 | 0.241 | 1,30 | 0.321 | 0.575 | 1,20 | 4.624 | 0.044 | 1,30 | 3.165 | 0.478 | |
秋季 Autumn | - | - | - | 1,15 | 0.801 | 0.386 | - | - | - | 1,15 | 0.749 | 0.558 | |
龙头草 Meehania henryi | 春季 Spring | 1,45 | 8.001 | 0.015 | 1,46 | 11.424 | 0.001 | 1,45 | 3.056 | 0.162 | 1,46 | 5.006 | 0.046 |
夏季 Summer | 1,48 | 9.879 | 0.003 | 1,45 | 5.748 | 0.041 | 1,48 | 5.124 | 0.028 | 1,45 | 6.856 | 0.006 | |
秋季 Autumn | 1,48 | 9.272 | 0.004 | 1,33 | 0.571 | 0.456 | 1,48 | 3.58 | 0.065 | 1,33 | 0.002 | 0.968 | |
山茄子 Brachybotrys paridiformis | 春季 Spring | 1,24 | 8.333 | 0.001 | 1,31 | 5.084 | 0.015 | 1,24 | 8.219 | 0.0001 | 1,31 | 4.709 | 0.038 |
夏季 Summer | 1,30 | 3.032 | 0.092 | 1,31 | 4.701 | 0.001 | 1,30 | 0.733 | 0.399 | 1,31 | 3.251 | < 0.001 | |
秋季 Autumn | 1,29 | 13.601 | < 0.001 | 1,25 | 4.742 | 0.004 | 1,29 | 9.747 | 0.001 | 1,25 | 2.634 | 0.117 | |
群落 Community | 春季 Spring | 1,52 | 0.054 | 0.729 | 1,52 | 0.009 | 0.836 | 1,52 | 3.006 | 0.071 | 1,52 | 1.668 | 0.459 |
夏季 Summer | 1,52 | 2.397 | 0.128 | 1,52 | 0.629 | 0.401 | 1,52 | 0.054 | 0.817 | 1,52 | 0.005 | 0.696 | |
秋季 Autumn | 1,52 | 1.664 | 0.203 | 1,52 | 0.867 | 0.545 | 1,52 | 1.134 | 0.301 | 1,52 | 1.981 | 0.11 |
春季 Spring | 夏季 Summer | 秋季 Autumn | ||||
---|---|---|---|---|---|---|
对照 Control | 增温 Warming | 对照 Control | 增温 Warming | 对照 Control | 增温 Warming | |
白花碎米荠 Cardamine leucantha | 10.7% | 8.3% | 13.0% | 7.2% | 12.6% | 4.5% |
荷青花 Hylomecon japonica | 21.8% | 19.7% | 14.5% | 13.3% | 5.6% | 8.2% |
龙头草 Meehania henryi | 13.3% | 8.2% | 17.8% | 10.8% | 19.9% | 10.7% |
山茄子 Brachybotrys paridiformis | 10.7% | 26.1% | 14.5% | 36.7% | 9.4% | 37.6% |
五福花 Adoxa moschatellina | 1.6% | 16.3% | - | - | - | - |
单花韭 Allium monanthum | 13.0% | 3.2% | - | - | - | - |
珠芽艾麻 Laportea bulbifera | - | - | 17.3% | 15.6% | 27.2% | 18.5% |
非优势种 Non-dominant species | 28.9% | 18.3% | 22.9% | 16.4% | 25.3% | 20.5% |
表3 2022年生长季内对照和增温处理下东北温带次生林草本层植物的重要值
Table 3 Importance values of herbaceous layer plants in temperate secondary forest in Northeast China under control and warming treatments during growing season in 2022
春季 Spring | 夏季 Summer | 秋季 Autumn | ||||
---|---|---|---|---|---|---|
对照 Control | 增温 Warming | 对照 Control | 增温 Warming | 对照 Control | 增温 Warming | |
白花碎米荠 Cardamine leucantha | 10.7% | 8.3% | 13.0% | 7.2% | 12.6% | 4.5% |
荷青花 Hylomecon japonica | 21.8% | 19.7% | 14.5% | 13.3% | 5.6% | 8.2% |
龙头草 Meehania henryi | 13.3% | 8.2% | 17.8% | 10.8% | 19.9% | 10.7% |
山茄子 Brachybotrys paridiformis | 10.7% | 26.1% | 14.5% | 36.7% | 9.4% | 37.6% |
五福花 Adoxa moschatellina | 1.6% | 16.3% | - | - | - | - |
单花韭 Allium monanthum | 13.0% | 3.2% | - | - | - | - |
珠芽艾麻 Laportea bulbifera | - | - | 17.3% | 15.6% | 27.2% | 18.5% |
非优势种 Non-dominant species | 28.9% | 18.3% | 22.9% | 16.4% | 25.3% | 20.5% |
物种 Species | 季节 Season | 多度 Abundance | 盖度 Coverage (%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
2021 | 2022 | 2021 | 2022 | |||||||
对照 Control | 增温 Warming | 对照 Control | 增温 Warming | 对照 Control | 增温 Warming | 对照 Control | 增温 Warming | |||
白花碎米荠 Cardamine leucantha | 春季 Spring | 21 | 10 | 8 | 5 | 3 | 2 | 4 | 3 | |
夏季 Summer | 8 | 5 | 5 | 5 | 7 | 4 | 5 | 3 | ||
秋季 Autumn | 4 | 4 | 3 | 2 | 5 | 5 | 3 | 2 | ||
荷青花 Hylomecon japonica | 春季 Spring | 28 | 37 | 30 | 23 | 3 | 6 | 10 | 8 | |
夏季 Summer | 2 | 3 | 12 | 10 | 2 | 3 | 10 | 4 | ||
秋季 Autumn | - | - | 7 | 5 | - | - | 4 | 3 | ||
龙头草 Meehania henryi | 春季 Spring | 20 | 9 | 12 | 4 | 2 | 2 | 4 | 2 | |
夏季 Summer | 12 | 6 | 7 | 4 | 8 | 4 | 5 | 2 | ||
秋季 Autumn | 11 | 6 | 5 | 6 | 8 | 5 | 4 | 4 | ||
山茄子 Brachybotrys paridiformis | 春季 Spring | 3 | 17 | 11 | 23 | 1 | 5 | 9 | 23 | |
夏季 Summer | 9 | 16 | 9 | 19 | 17 | 22 | 16 | 30 | ||
秋季 Autumn | 2 | 15 | 4 | 16 | 5 | 20 | 7 | 20 |
表4 2021年和2022年对照和增温处理下东北温带次生林草本层年优势种的多度和盖度
Table 4 Abundance and coverage of annual dominant species in the herbaceous layer of temperate secondary forest in Northeast China under control and warming treatments in 2021 and 2022
物种 Species | 季节 Season | 多度 Abundance | 盖度 Coverage (%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
2021 | 2022 | 2021 | 2022 | |||||||
对照 Control | 增温 Warming | 对照 Control | 增温 Warming | 对照 Control | 增温 Warming | 对照 Control | 增温 Warming | |||
白花碎米荠 Cardamine leucantha | 春季 Spring | 21 | 10 | 8 | 5 | 3 | 2 | 4 | 3 | |
夏季 Summer | 8 | 5 | 5 | 5 | 7 | 4 | 5 | 3 | ||
秋季 Autumn | 4 | 4 | 3 | 2 | 5 | 5 | 3 | 2 | ||
荷青花 Hylomecon japonica | 春季 Spring | 28 | 37 | 30 | 23 | 3 | 6 | 10 | 8 | |
夏季 Summer | 2 | 3 | 12 | 10 | 2 | 3 | 10 | 4 | ||
秋季 Autumn | - | - | 7 | 5 | - | - | 4 | 3 | ||
龙头草 Meehania henryi | 春季 Spring | 20 | 9 | 12 | 4 | 2 | 2 | 4 | 2 | |
夏季 Summer | 12 | 6 | 7 | 4 | 8 | 4 | 5 | 2 | ||
秋季 Autumn | 11 | 6 | 5 | 6 | 8 | 5 | 4 | 4 | ||
山茄子 Brachybotrys paridiformis | 春季 Spring | 3 | 17 | 11 | 23 | 1 | 5 | 9 | 23 | |
夏季 Summer | 9 | 16 | 9 | 19 | 17 | 22 | 16 | 30 | ||
秋季 Autumn | 2 | 15 | 4 | 16 | 5 | 20 | 7 | 20 |
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