Different growth and physiological responses to experimental warming of two dominant plant species Elymus nutans and Potentilla anserina in an alpine meadow of the eastern Tibetan Plateau

Title:

Different growth and physiological responses to experimental warming of two dominant plant species Elymus nutans and Potentilla anserina in an alpine meadow of the eastern Tibetan Plateau

Creator:

Shi, F. S., Wu, Y., Wu, N., and Luo, P.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:d6a03358-5b46-4e95-93c0-8c805d641b1a
uuid:d6a03358-5b46-4e95-93c0-8c805d641b1a
issn:0300-3604
doi:10.1007/s11099-010-0058-8

Subject:

botanika, botany, Elymus nutans, experimental warning, growth, physiology, and Potentilla anserina

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

The effects of experimental warming on the growth and physiology of grass Elymus nutans and forb Potentilla anserina were studied by using open-top chambers (OTCs) in an alpine meadow of the eastern Tibetan Plateau. The warming treatment increased mean air and soil surface temperatures by 1.53°C and 0.50°C, respectively, but it reduced soil relative water content in the surface layer. Experimental warming enhanced the growth and gas exchange of E. nutans, while it reduced those of P. anserina. Experimental warming resulted in an increased efficiency of photosystem II (PSII) in E. nutans, while decreasing it in P. anserina; significantly stimulated non-photochemical quenching, antioxidative enzymes and non-enzymes in both species; and significantly reduced malondialdehyde content in E. nutans, while promoting it in P. anserina. The results of this study indicated that the two species showed different growth responses to experimental warming and their different physiological performances further indicated that experimental warming alleviated the negative effect of low temperature on the growth and development of E. nutans, but limited the competitive ability of P. anserina in the study region. and F. S. Shi ... [et al.].

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

437-445

Source:

Photosynthetica | 2010 Volume:48 | Number:3

Harvested from:

CDK

Metadata only:

false