Arid
DOI10.1016/j.aquabot.2018.01.003
Effects of overabundant nitrate and warmer temperatures on charophytes: The roles of plasticity and local adaptation
Puche, Eric1; Sanchez-Carrillo, Salvador2; Alvarez-Cobelas, Miguel2; Pukacz, Andrzej3; Rodrigo, Maria A.1; Rojo, Carmen1
通讯作者Puche, Eric
来源期刊AQUATIC BOTANY
ISSN0304-3770
EISSN1879-1522
出版年2018
卷号146页码:15-22
英文摘要

Global change effects, such as warming and increases in nitrogen loading, alter vulnerable Mediterranean aquatic systems, and charophytes can be one of the most affected groups. We addressed the possible interaction between these factors on two populations of the cosmopolitan charophytes Chara hispida and Chara vulgaris. Populations were taken from two different environments, a nitrate-poor mountain lake and a nitrate-rich Mediterranean coastal spring. The laboratory experiment had a 2 x 2 factorial design based on two nitrate levels (similar to and double the local conditions) and two temperatures. Increased temperatures favoured the growth of the four populations, but an increase in nitrate did not have any effect on their growth or architecture. Both species took up and stored more nitrogen (measured as %N in plant tissue) when more nitrate was supplied, and warming favoured this increase in %N and, consequently, in N:P ratio. The effects of both factors depended on the local conditions where the populations originated and on the species. Chara vulgaris, a pioneer species, exhibited more phenotypic plasticity than C. hispida, and its ecotype from the coastal spring was better adapted to changes in temperature and nitrate level. These differential responses to warming conditions and nitrate pollution may modify charophyte diversity, which might be reflected in ecosystem performance, a matter of concern in vulnerable Mediterranean water bodies where these species co-occur.


英文关键词Charophyte stoichiometry Nitrate pollution Semi-arid region Macroalgae Thermal adaptation Phenotypic plasticity Nitrate reactive norms
类型Article
语种英语
国家Spain ; Poland
收录类别SCI-E
WOS记录号WOS:000426226600003
WOS关键词SUBMERGED MACROPHYTES ; SHALLOW LAKES ; NUTRIENT LIMITATION ; NITROGEN UPTAKE ; GROWTH ; TRANSLOCATION ; POPULATIONS ; ECOSYSTEMS ; CLIMATE ; BEDS
WOS类目Plant Sciences ; Marine & Freshwater Biology
WOS研究方向Plant Sciences ; Marine & Freshwater Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/207684
作者单位1.Univ Valencia, Cavanilles Inst Biodivers & Evolutionary Biol, C Catedrat Jose Beltran 2, E-46980 Paterna, Spain;
2.CSIC, MNCN, Spanish Council Sci Res, Natl Museum Nat Sci, C Serrano 115 Dpdo, E-28006 Madrid, Spain;
3.Polish German Res Inst, Coll Polonicum, Kosciuszki 1, PL-69100 Slubice, Poland
推荐引用方式
GB/T 7714
Puche, Eric,Sanchez-Carrillo, Salvador,Alvarez-Cobelas, Miguel,et al. Effects of overabundant nitrate and warmer temperatures on charophytes: The roles of plasticity and local adaptation[J],2018,146:15-22.
APA Puche, Eric,Sanchez-Carrillo, Salvador,Alvarez-Cobelas, Miguel,Pukacz, Andrzej,Rodrigo, Maria A.,&Rojo, Carmen.(2018).Effects of overabundant nitrate and warmer temperatures on charophytes: The roles of plasticity and local adaptation.AQUATIC BOTANY,146,15-22.
MLA Puche, Eric,et al."Effects of overabundant nitrate and warmer temperatures on charophytes: The roles of plasticity and local adaptation".AQUATIC BOTANY 146(2018):15-22.
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