J 2017

Refugial ecosystems in central Asia as indicators of biodiversity change during the Pleistocene–Holocene transition

CHYTRÝ, Milan, Michal HORSÁK, Vít SYROVÁTKA, Jiří DANIHELKA, Nikolai ERMAKOV et. al.

Basic information

Original name

Refugial ecosystems in central Asia as indicators of biodiversity change during the Pleistocene–Holocene transition

Authors

CHYTRÝ, Milan (203 Czech Republic, guarantor, belonging to the institution), Michal HORSÁK (203 Czech Republic, belonging to the institution), Vít SYROVÁTKA (203 Czech Republic, belonging to the institution), Jiří DANIHELKA (203 Czech Republic, belonging to the institution), Nikolai ERMAKOV (643 Russian Federation), Dmitry A. GERMAN (643 Russian Federation), Michal HÁJEK (203 Czech Republic, belonging to the institution), Ondřej HÁJEK (203 Czech Republic, belonging to the institution), Petra HÁJKOVÁ (203 Czech Republic, belonging to the institution), Veronika HORSÁKOVÁ (203 Czech Republic, belonging to the institution), Martin KOČÍ (203 Czech Republic, belonging to the institution), Svatava KUBEŠOVÁ (203 Czech Republic, belonging to the institution), Pavel LUSTYK (203 Czech Republic, belonging to the institution), Jeffrey Clark NEKOLA (840 United States of America, belonging to the institution), Zdenka PREISLEROVÁ (203 Czech Republic, belonging to the institution), Philipp RESSL (40 Austria) and Milan VALACHOVIČ (703 Slovakia)

Edition

Ecological Indicators, Amsterdam, Elsevier Science, 2017, 1470-160X

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

Netherlands

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 3.983

RIV identification code

RIV/00216224:14310/17:00095230

Organization unit

Faculty of Science

UT WoS

000406435800037

Keywords in English

Alpha diversity; Bryophyte; Land snail; Lichen; Palaeoecological reconstruction; Pleistocene-Holocene transition; Species richness; Vascular plant

Tags

Tags

International impact, Reviewed
Změněno: 11/4/2018 12:40, Ing. Nicole Zrilić

Abstract

V originále

Site-scale species richness (alpha diversity) patterns are well described for many present-day ecosystems, but they are difficult to reconstruct from the fossil record. Very little is thus known about these patterns in Pleistocene full-glacial landscapes and their changes following Holocene climatic amelioration. However, present-day central Asian ecosystems with climatic features and biota similar to those of the full-glacial periods may serve as proxies of alpha diversity variation through both space and time during these periods. We measured alpha diversity of vascular plants, bryophytes, macrolichens and land snails, as well as environmental variables, in 100-m(2) plots located in forests and open habitats in the Russian Altai Mountains and their northern foothills. This region contains adjacent areas that possess climatic and biotic features similar to mid-latitude Europe for both the Last Glacial Maximum and contemporaneous Holocene ecosystems. We related alpha diversity to environmental variables using generalized linear models and mapped it from the best-fit models. Climate was identified as the strongest predictor of alpha diversity across all taxa, with temperature being positively correlated to number of species of vascular plants and land snails and negatively correlated to that of bryophytes and macrolichens. Factors important for only some taxa included precipitation, soil pH, percentage cover of tree layer and proportion of grassland areas in the landscape around plots. These results, combined with the high degree of similarity between the current Altai biota and dry-cold Pleistocene ecosystems of Europe and northern Asia, suggest that vascular plant and land snail alpha diversity was low during cold phases of the Pleistocene with a general increase following the Holocene climatic amelioration. The opposite trend probably existed for terricolous bryophytes and macrolichens.

Links

GAP504/11/0454, research and development project
Name: Změny biodiverzity na přechodu pleistocénu a holocénu: současné analogie v reliktních ekosystémech Sibiře
Investor: Czech Science Foundation