Macroinvertebrate assemblages in acidified mountain lake inflows differs from lake outflows: the influence of lakes.

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F22%3A00563709" target="_blank" >RIV/60077344:_____/22:00563709 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11310/22:10453728 RIV/00023272:_____/22:10135638

Result on the web

<a href="https://doi.org/10.1007/s11756-022-01144-1" target="_blank" >https://doi.org/10.1007/s11756-022-01144-1</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s11756-022-01144-1" target="_blank" >10.1007/s11756-022-01144-1</a>

Result language

angličtina

Original language name

Macroinvertebrate assemblages in acidified mountain lake inflows differs from lake outflows: the influence of lakes.

Original language description

This synoptic study of inflows and outflows of eight atmospherically acidified glacial lakes in the Bohemian Forest, the Czech Republic and Germany, investigated how the presence of lakes on headwater streams changes the water chemistry and concurrently macroinvertebrate assemblages. The extent of changes in water chemistry was assessed in relation to lake morphometry (max. depth, lake volume and area, water residence time (WRT)). The inflows exhibited a wide pH gradient, from 3.9-6.3, while pH of outflows ranged from 4.6-5.9. Lakes generally increased the temperature, reduced the acidity of outflows and were net sinks for dissolved nutrients but sources of their particulate forms and N-NH4+. However, we only found significant relationships between N-NH4+ and WRT., other relationships between differences in physico-chemical parameters and lake morphometry were nonsignificant. Comparisons of macroinvertebrate groups indicate that the numbers of Plecoptera, Trichoptera, and Diptera taxa were significantly higher in inflows than in outflows. Plecoptera dominated in inflows whereas the abundance of Ephemeroptera was significantly higher in outflows. The higher abundance of Diptera in outflows was due to the family Simuliidae, probably benefiting from the supply of food (seston) from lakes. We found a significant positive relationship between pH and the number of macroinvertebrate taxa in inflows, but not in outflows. This lack of significancy was most probably caused by the low number of sites (7), the narrow pH range, and several factors that influenced outflows: higher temperature, altered water chemistry, the input of lake taxa, and higher content of food.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10617 - Marine biology, freshwater biology, limnology

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Biologia

ISSN

0006-3088

e-ISSN

1336-9563

Volume of the periodical

77

Issue of the periodical within the volume

9

Country of publishing house

US - UNITED STATES

Number of pages

15

Pages from-to

2593-2607

UT code for WoS article

000820564500001

EID of the result in the Scopus database

2-s2.0-85133316395