Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.13545 |
Climate-related changes of soil characteristics affect bacterial community composition and function of high altitude and latitude lakes | |
Rofner, Carina1; Peter, Hannes1,4; Catalan, Nuria2,3; Drewes, Fabian1,5; Sommaruga, Ruben1; Perez, Maria Teresa1 | |
2017-06-01 | |
发表期刊 | GLOBAL CHANGE BIOLOGY |
ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2017 |
卷号 | 23期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | Austria; Sweden; Spain; Switzerland |
英文摘要 | Lakes at high altitude and latitude are typically unproductive ecosystems where external factors outweigh the relative importance of in-lake processes, making them ideal sentinels of climate change. Climate change is inducing upward vegetation shifts at high altitude and latitude regions that translate into changes in the pools of soil organic matter. Upon mobilization, this allochthonous organic matter may rapidly alter the composition and function of lake bacterial communities. Here, we experimentally simulate this potential climate-change effect by exposing bacterioplankton of two lakes located above the treeline, one in the Alps and one in the subarctic region, to soil organic matter from below and above the treeline. Changes in bacterial community composition, diversity and function were followed for 72 h. In the subarctic lake, soil organic matter from below the treeline reduced bulk and taxon-specific phosphorus uptake, indicating that bacterial phosphorus limitation was alleviated compared to organic matter from above the treeline. These effects were less pronounced in the alpine lake, suggesting that soil properties (phosphorus and dissolved organic carbon availability) and water temperature further shaped the magnitude of response. The rapid bacterial succession observed in both lakes indicates that certain taxa directly benefited from soil sources. Accordingly, the substrate uptake profiles of initially rare bacteria (copiotrophs) indicated that they are one of the main actors cycling soil-derived carbon and phosphorus. Our work suggests that climate-induced changes in soil characteristics affect bacterioplankton community structure and function, and in turn, the cycling of carbon and phosphorus in high altitude and latitude aquatic ecosystems. |
英文关键词 | allochthonous organic carbon bacterial production dissolved organic matter diversity heterotrophic phosphorus limitation terrestrial vegetation treeline |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000400445900018 |
WOS关键词 | DISSOLVED ORGANIC-MATTER ; FRESH-WATER BACTERIOPLANKTON ; PHOSPHORUS AVAILABILITY ; GROWTH EFFICIENCY ; MOUNTAIN LAKES ; FOOD-WEB ; CARBON ; DYNAMICS ; TERRESTRIAL ; TEMPERATURE |
WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/17189 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Univ Innsbruck, Inst Ecol, Lake & Glacier Ecol Res Grp, Technikerstr 25, Innsbruck, Austria; 2.Uppsala Univ, Dept Ecol & Genet, Limnol, Uppsala, Sweden; 3.Catalan Inst Water Res ICRA, Emili Grahit 101, Girona 17003, Spain; 4.Ecole Polytech Fed Lausanne, Stream Biofilm & Ecosyst Res Lab, Lausanne, Switzerland; 5.Angew Gewasserokol GesmbH, ARGE Limnol, Innsbruck, Austria |
推荐引用方式 GB/T 7714 | Rofner, Carina,Peter, Hannes,Catalan, Nuria,et al. Climate-related changes of soil characteristics affect bacterial community composition and function of high altitude and latitude lakes[J]. GLOBAL CHANGE BIOLOGY,2017,23(6). |
APA | Rofner, Carina,Peter, Hannes,Catalan, Nuria,Drewes, Fabian,Sommaruga, Ruben,&Perez, Maria Teresa.(2017).Climate-related changes of soil characteristics affect bacterial community composition and function of high altitude and latitude lakes.GLOBAL CHANGE BIOLOGY,23(6). |
MLA | Rofner, Carina,et al."Climate-related changes of soil characteristics affect bacterial community composition and function of high altitude and latitude lakes".GLOBAL CHANGE BIOLOGY 23.6(2017). |
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