Diversity loss in grasslands due to the increasing dominance of
alien and native competitive herbs

CZARNIECKA-WIERA, Marta, Zygmunt Walerian KACKI, Milan CHYTRÝ and Salza PALPURINA. Diversity loss in grasslands due to the increasing dominance of alien and native competitive herbs. Biodiversity and Conservation. SPRINGER, 2019, vol. 28, No 11, p. 2781-2796. ISSN 0960-3115. Available from: https://dx.doi.org/10.1007/s10531-019-01794-9.

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TY  - JOUR
ID  - 1611417
AU  - Czarniecka-Wiera, Marta - Kacki, Zygmunt Walerian - Chytrý, Milan - Palpurina, Salza
PY  - 2019
TI  - Diversity loss in grasslands due to the increasing dominance of alien and native competitive herbs
JF  - Biodiversity and Conservation
VL  - 28
IS  - 11
SP  - 2781-2796
EP  - 2781-2796
PB  - SPRINGER
SN  - 09603115
KW  - Competitive exclusion
KW  - Dominance
KW  - Plant invasions
KW  - Species-area relationship
KW  - Species richness
KW  - Temperate grasslands
UR  - https://link.springer.com/article/10.1007%2Fs10531-019-01794-9
L2  - https://link.springer.com/article/10.1007%2Fs10531-019-01794-9
N2  - The increasing dominance of competitive plant species may reduce species richness of plant communities. Yet, species richness may depend on spatial scale and the alien versus native status of the dominant species. To explore the dominance effects of alien versus native species on species richness, we sampled semi-natural grasslands in southwestern Poland. We established 100m(2) squares at different grassland sites, and in two opposite corners we placed two series of five nested plots (0.001, 0.01, 0.1, 1 and 10m(2)), in which we recorded all vascular plant species. Next, we selected squares with a strongly dominant plant in one corner (high-dominance series) and with no strong dominant in the opposite corner (low-dominance series). The number of species per plot and the slopes of the species-area curves fitted to each nested-plot series were used to assess whether the alien vs. native status of the dominant species influences species-richness pattern across scales. We found a significantly lower number of species in the high-dominance series than in the low-dominance series, regardless of the alien versus native status of the dominant species. The slopes of the species-area curves indicated that the rate of species accumulation with increasing area was faster in the high-dominance series than in the low-dominance series; however, this pattern did not depend on the alien vs. native status of the dominants. Our study confirms that increasing dominance is linked to a decline in species richness, but reveals that alien dominants do not have a stronger impact than native dominants.
ER  -

Basic information
Original name	Diversity loss in grasslands due to the increasing dominance of alien and native competitive herbs
Authors	CZARNIECKA-WIERA, Marta (616 Poland), Zygmunt Walerian KACKI (616 Poland), Milan CHYTRÝ (203 Czech Republic, guarantor, belonging to the institution) and Salza PALPURINA (100 Bulgaria, belonging to the institution).
Edition	Biodiversity and Conservation, SPRINGER, 2019, 0960-3115.

Other information
Original language	English
Type of outcome	Article in a journal
Field of Study	10619 Biodiversity conservation
Country of publisher	Netherlands
Confidentiality degree	is not subject to a state or trade secret
WWW	URL
Impact factor	Impact factor: 2.935
RIV identification code	RIV/00216224:14310/19:00108118
Organization unit	Faculty of Science
Doi	http://dx.doi.org/10.1007/s10531-019-01794-9
UT WoS	000476594200002
Keywords in English	Competitive exclusion; Dominance; Plant invasions; Species-area relationship; Species richness; Temperate grasslands
Tags	rivok
Tags	International impact, Reviewed
Changed by	Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 27/3/2020 17:15.

Abstract

The increasing dominance of competitive plant species may reduce species richness of plant communities. Yet, species richness may depend on spatial scale and the alien versus native status of the dominant species. To explore the dominance effects of alien versus native species on species richness, we sampled semi-natural grasslands in southwestern Poland. We established 100m(2) squares at different grassland sites, and in two opposite corners we placed two series of five nested plots (0.001, 0.01, 0.1, 1 and 10m(2)), in which we recorded all vascular plant species. Next, we selected squares with a strongly dominant plant in one corner (high-dominance series) and with no strong dominant in the opposite corner (low-dominance series). The number of species per plot and the slopes of the species-area curves fitted to each nested-plot series were used to assess whether the alien vs. native status of the dominant species influences species-richness pattern across scales. We found a significantly lower number of species in the high-dominance series than in the low-dominance series, regardless of the alien versus native status of the dominant species. The slopes of the species-area curves indicated that the rate of species accumulation with increasing area was faster in the high-dominance series than in the low-dominance series; however, this pattern did not depend on the alien vs. native status of the dominants. Our study confirms that increasing dominance is linked to a decline in species richness, but reveals that alien dominants do not have a stronger impact than native dominants.

Links
GB14-36079G, research and development project	Name: Centrum analýzy a syntézy rostlinné diverzity (PLADIAS) (Acronym: PLADIAS)
GB14-36079G, research and development project	Investor: Czech Science Foundation

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Diversity loss in grasslands due to the increasing dominance of alien and native competitive herbs

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