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The invasive cactus Opuntia stricta creates fertility islands in African savannas and benefits from those created by native trees
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SYSNO ASEP 0547403 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název The invasive cactus Opuntia stricta creates fertility islands in African savannas and benefits from those created by native trees Tvůrce(i) Novoa, Ana (BU-J) ORCID
Foxcroft, L. C. (ZA)
Keet, J.-H. (ZA)
Pyšek, Petr (BU-J) RID, ORCID
Le Roux, J. J. (ZA)Číslo článku 20748 Zdroj.dok. Scientific Reports. - : Nature Publishing Group - ISSN 2045-2322
Roč. 11, č. 1 (2021)Poč.str. 13 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova savanna ; invasion ; facilitation Vědní obor RIV EH - Ekologie - společenstva Obor OECD Ecology CEP GX19-28807X GA ČR - Grantová agentura ČR GA19-13142S GA ČR - Grantová agentura ČR Způsob publikování Open access Institucionální podpora BU-J - RVO:67985939 UT WOS 000709931300094 EID SCOPUS 85117701489 DOI 10.1038/s41598-021-99857-x Anotace We assessed how so-called islands of fertility in South-African savanna (discontinuous distribution of water, nutrient resources, and microbial communities in soil) affect the establishment and impact of invasive plants, using the invasion of Opuntia stricta as a model. We found that the presence of native trees and invasive O. stricta increases soil water content and nutrients, and the abundance and diversity of bacterial communities, and alters soil bacterial composition. Moreover, the percentage and speed of germination of O. stricta were higher in soils conditioned by native trees compared to soils collected from open patches. Finally, while S. africana and V. nilotica trees appear to germinate equally well in invaded and uninvaded soils, O. stricta had lower and slower germination in invaded soils, suggesting the potential release of phytochemicals by O. stricta to avoid intraspecific competition. These results suggest that the presence of any tree or shrub in savanna ecosystems, regardless of origin (i.e. native or alien), can create favourable conditions for the establishment and growth of other plants. Pracoviště Botanický ústav Kontakt 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 Rok sběru 2022 Elektronická adresa https://doi.org/10.1038/s41598-021-99857-x
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