A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Lake restoration influences nutritional quality of algae and consequently Daphnia biomass (2020)


Taipale, S. J., Kuoppamäki, K., Strandberg, U., Peltomaa, E., & Vuorio, K. (2020). Lake restoration influences nutritional quality of algae and consequently Daphnia biomass. Hydrobiologia, 847(21), 4539-4557. https://doi.org/10.1007/s10750-020-04398-5


JYU-tekijät tai -toimittajat


Julkaisun tiedot

Julkaisun kaikki tekijät tai toimittajat: Taipale, Sami J.; Kuoppamäki, K.; Strandberg, U.; Peltomaa, E.; Vuorio, K.

Lehti tai sarja: Hydrobiologia

ISSN: 0018-8158

eISSN: 1573-5117

Julkaisuvuosi: 2020

Volyymi: 847

Lehden numero: 21

Artikkelin sivunumerot: 4539-4557

Kustantaja: Springer

Julkaisumaa: Alankomaat

Julkaisun kieli: englanti

DOI: https://doi.org/10.1007/s10750-020-04398-5

Julkaisun avoin saatavuus: Avoimesti saatavilla

Julkaisukanavan avoin saatavuus: Osittain avoin julkaisukanava

Julkaisu on rinnakkaistallennettu (JYX): https://jyx.jyu.fi/handle/123456789/72237


Tiivistelmä

Food quality is one of the key factors influencing zooplankton population dynamics. Eutrophication drives phytoplankton communities toward the dominance of cyanobacteria, which means a decrease in the availability of sterols and long-chain polyunsaturated fatty acids (EPA and DHA). The effects of different restoration measures on the nutritional quality of the phytoplankton community and subsequent impacts on zooplankton biomass have rarely been considered. We analyzed the nutritional quality of phytoplankton in the eutrophic Lake Vesijärvi in southern Finland over a 37-year period, and studied the impacts of two restoration measures, biomanipulation and hypolimnetic aeration, on the abundance of high-quality phytoplankton. We found that biomanipulation had a positive impact on the abundance of taxa synthesizing sterols, EPA, and DHA and, concurrently, on the biomass of the keystone species Daphnia. In contrast, hypolimnetic aeration did not result in such a beneficial outcome, manifested as a decrease in the abundance of Daphnia and frequent phytoplankton blooms dominated by cyanobacteria suggesting reduction in the nutritional quality of food for Daphnia. Our analysis shows that the determination of the nutritional value of algae and the contribution of essential fatty acids and sterols is an effective method to evaluate the success of various restoration measures.


YSO-asiasanat: vesiekosysteemit; vesistöjen kunnostus; ravintoverkot; plankton; mikrolevät; syanobakteerit; vesikirput; ravintoaineet; rasvahapot; sterolit

Vapaat asiasanat: amino acids; Cryptophytes; Cyanobacteria; Daphnia; fatty acids; freshwater food webs; nutritional ecology; sterols


Liittyvät organisaatiot


OKM-raportointi: Kyllä

Raportointivuosi: 2020

JUFO-taso: 1


Viimeisin päivitys 2021-17-09 klo 16:04