J 2023

Climatically promoted taxonomic homogenization of macroinvertebrates in unaffected streams varies along the river continuum

ZHAI, Marie, Jindřiška BOJKOVÁ, Denisa NEMEJCOVA, Marek POLÁŠEK, Vít SYROVÁTKA et. al.

Basic information

Original name

Climatically promoted taxonomic homogenization of macroinvertebrates in unaffected streams varies along the river continuum

Authors

ZHAI, Marie (203 Czech Republic, guarantor, belonging to the institution), Jindřiška BOJKOVÁ (203 Czech Republic, belonging to the institution), Denisa NEMEJCOVA, Marek POLÁŠEK (203 Czech Republic, belonging to the institution), Vít SYROVÁTKA (203 Czech Republic, belonging to the institution) and Michal HORSÁK (203 Czech Republic, belonging to the institution)

Edition

Scientific Reports, London, NATURE RESEARCH, 2023, 2045-2322

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

Germany

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 4.600 in 2022

RIV identification code

RIV/00216224:14310/23:00134190

Organization unit

Faculty of Science

UT WoS

000985360700080

Keywords in English

CLIMATE-CHANGE; BIOTIC HOMOGENIZATION; COMMUNITY COMPOSITION; LAND-USE; BIODIVERSITY; TRENDS; CONSERVATIONAS; SEMBLAGES; RICHNESS; WINNERS

Tags

Tags

International impact, Reviewed
Změněno: 24/1/2024 15:19, Mgr. Marie Šípková, DiS.

Abstract

V originále

Biotic homogenization appears to be a global consequence of anthropogenic change. However, the underlying environmental factors contributing to homogenization are difficult to identify because their effects usually interact and confound each other. This can be the reason why there is very little evidence on the role of climate warming in homogenization. By analysing macroinvertebrate assemblages in 65 streams that were as close to natural conditions as possible, we avoided the confounding effects of common anthropogenic stressors. This approach resulted in revealing a significant effect of increased temperature (both summer and winter) on changes in macroinvertebrate compositional over the past two decades. However, homogenization was significant only at opposite ends of the river continuum (submontane brooks, low-altitude rivers). Surprisingly, species of native origin predominated overall, increasing in frequency and abundance ("winners"), while only a minority of species declined or disappeared ("losers"). We hypothesise that undisturbed conditions mitigate species declines and thus homogenization, and that the temperature increase has so far been beneficial to most native species. Although we may have only captured a transitional state due to extinction debt, this underscores the importance of maintaining ecological conditions in stream to prevent species loss due to climate change.

Links

GA20-17305S, research and development project
Name: Klimaticky podmíněná homogenizace vodních bezobratlých testovaná na třech modelových systémech a historických datech
Investor: Czech Science Foundation