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Cushions of Thylacospermum caespitosum (Caryophyllaceae) do not facilitate other plants under extreme altitude and dry conditions in the north-west Himalayas
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SYSNO ASEP 0365143 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Cushions of Thylacospermum caespitosum (Caryophyllaceae) do not facilitate other plants under extreme altitude and dry conditions in the north-west Himalayas Author(s) de Bello, Francesco (BU-J) RID, ORCID
Doležal, Jiří (BU-J) RID, ORCID
Dvorský, Miroslav (BU-J) ORCID, RID
Chlumská, Zuzana (BU-J) RID, ORCID
Řeháková, Klára (BU-J) RID, ORCID
Klimešová, Jitka (BU-J) RID, ORCID
Klimeš, Leoš (BU-J)Number of authors 7 Source Title Annals of Botany. - : Oxford University Press - ISSN 0305-7364
Roč. 108, č. 3 (2011), s. 567-573Number of pages 7 s. Language eng - English Country GB - United Kingdom Keywords stress-gradient hypothesis ; positive associations ; ecosystem engineering Subject RIV EF - Botanics R&D Projects IAA600050802 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GD206/08/H044 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z60050516 - BU-J (2005-2011) UT WOS 000294067000016 DOI 10.1093/aob/mcr183 Annotation Cushion plants are commonly considered as keystone nurse species that ameliorate the harsh conditions they inhabit in alpine ecosystems, thus facilitating other species and increasing alpine plant biodiversity. A literature search resulted in 25 key studies showing overwhelming facilitative effects of different cushion plants and hypothesizing greater facilitation with increased environmental severity (i.e. higher altitude and/or lower rainfall). At the same time, emerging ecological theory alongside the cushion-specific literature suggests that facilitation might not always occur under extreme environmental conditions, and especially under high altitude and dryness. The results support the emerging theoretical prediction of restricted facilitative effects under extreme combinations of cold and dryness, integrating these ideas in the context of the ecology of cushion plants. This evidence suggests that cases of missing strong facilitation are likely to be found in other extreme alpine Workplace Institute of Botany Contact Martina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8 Year of Publishing 2012
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