Patterns of Cross-Continental Variation in Tree Seed Mass in the Canadian Boreal Forest
文献类型：期刊论文
| 作者 | Liu, Jushan6,7; Bai, Yuguang; Lamb, Eric G.; Simpson, Dale5; Liu, Guofang4; Wei, Yongsheng3; Wang, Deli6,7; McKenney, Daniel W.; Papadopol, Pia2 |
| 刊名 | PLOS ONE
 |
| 出版日期 | 2013 |
| 卷号 | 8期号:4 |
| ISSN号 | 1932-6203 |
| DOI | 10.1371/journal.pone.0061060 |
| 文献子类 | Article |
| 英文摘要 | Seed mass is an adaptive trait affecting species distribution, population dynamics and community structure. In widely distributed species, variation in seed mass may reflect both genetic adaptation to local environments and adaptive phenotypic plasticity. Acknowledging the difficulty in separating these two aspects, we examined the causal relationships determining seed mass variation to better understand adaptability and/or plasticity of selected tree species to spatial/climatic variation. A total of 504, 481 and 454 seed collections of black spruce (Picea mariana (Mill.) B. S. P.), white spruce (Picea glauca (Moench) Voss) and jack pine (Pinus banksiana Lamb) across the Canadian Boreal Forest, respectively, were selected. Correlation analyses were used to determine how seed mass vary with latitude, longitude, and altitude. Structural Equation Modeling was used to examine how geographic and climatic variables influence seed mass. Climatic factors explained a large portion of the variation in seed mass (34, 14 and 29%, for black spruce, white spruce and jack pine, respectively), indicating species-specific adaptation to long term climate conditions. Higher annual mean temperature and winter precipitation caused greater seed mass in black spruce, but annual precipitation was the controlling factor for white spruce. The combination of factors such as growing season temperature and evapotranspiration, temperature seasonality and annual precipitation together determined seed mass of jack pine. Overall, sites with higher winter temperatures were correlated with larger seeds. Thus, long-term climatic conditions, at least in part, determined spatial variation in seed mass. Black spruce and Jack pine, species with relatively more specific habitat requirements and less plasticity, had more variation in seed mass explained by climate than did the more plastic species white spruce. As traits such as seed mass are related to seedling growth and survival, they potentially influence forest species composition in a changing climate and should be included in future modeling of vegetation shifts. |
| 学科主题 | Multidisciplinary Sciences |
| 出版地 | SAN FRANCISCO |
| WOS关键词 | PRIMARY PRODUCTIVITY NPP ; COMPARING GLOBAL-MODELS ; PICEA-MARIANA ; PINUS-BANKSIANA ; SPECIES DISTRIBUTION ; CLIMATE-CHANGE ; SIZE ; POPULATIONS ; GROWTH ; SPRUCE |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000317383200038 |
| 出版者 | PUBLIC LIBRARY SCIENCE |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/27828]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Nat Resources Canada, Great Lakes Forestry Ctr, Sault Ste Marie, ON, Canada 2.NW A&F Univ, Coll Life Sci, Yangling, Peoples R China 3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China 4.Nat Resources Canada, Atlantic Forestry Ctr, Fredericton, NB, Canada 5.Minist Educ Res, Key Lab Vegetat Ecol, Changchun, Peoples R China 6.NE Normal Univ, Inst Grassland Sci, Changchun, Peoples R China 7.Univ Saskatchewan, Dept Plant Sci, Saskatoon, SK, Canada |
| 推荐引用方式 GB/T 7714 | Liu, Jushan,Bai, Yuguang,Lamb, Eric G.,et al. Patterns of Cross-Continental Variation in Tree Seed Mass in the Canadian Boreal Forest[J]. PLOS ONE,2013,8(4). |
| APA | Liu, Jushan.,Bai, Yuguang.,Lamb, Eric G..,Simpson, Dale.,Liu, Guofang.,...&Papadopol, Pia.(2013).Patterns of Cross-Continental Variation in Tree Seed Mass in the Canadian Boreal Forest.PLOS ONE,8(4). |
| MLA | Liu, Jushan,et al."Patterns of Cross-Continental Variation in Tree Seed Mass in the Canadian Boreal Forest".PLOS ONE 8.4(2013). |
入库方式： OAI收割
来源：植物研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。