A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Pulsed flow-through cultivation of Margaritifera margaritifera : effects of water source and food quantity on the survival and growth of juveniles (2021)

Hyvärinen, H. S. H., Chowdhury, M. M. R., & Taskinen, J. (2021). Pulsed flow-through cultivation of Margaritifera margaritifera : effects of water source and food quantity on the survival and growth of juveniles. Hydrobiologia, 848(12-13), 3219-3229. https://doi.org/10.1007/s10750-020-04225-x

JYU-tekijät tai -toimittajat

Julkaisun tiedot

Julkaisun kaikki tekijät tai toimittajat: Hyvärinen, Heini S. H.; Chowdhury, M. Motiur R.; Taskinen, Jouni

Lehti tai sarja: Hydrobiologia

ISSN: 0018-8158

eISSN: 1573-5117

Julkaisuvuosi: 2021

Volyymi: 848

Lehden numero: 12-13

Artikkelin sivunumerot: 3219-3229

Kustantaja: Springer

Julkaisumaa: Alankomaat

Julkaisun kieli: englanti

DOI: https://doi.org/10.1007/s10750-020-04225-x

Julkaisun avoin saatavuus: Avoimesti saatavilla

Julkaisukanavan avoin saatavuus: Osittain avoin julkaisukanava

Julkaisu on rinnakkaistallennettu (JYX): https://jyx.jyu.fi/handle/123456789/68370

Tiivistelmä

Conservation of the endangered freshwater pearl mussel (FPM) includes artificially rearing juveniles, but the pulsed flow-through (PFT) method, enabling the continuous renewal of water and food in culture containers, has not been applied to FPM. This study tested the PFT method in culture of FPM juveniles, and the effect of water source (tap vs well water) and food concentration (mixture of commercial phytoplankton products) on the survival and growth of juveniles. Beaker-specific survival rates varied from 0 to 100% (mean: 34%) and from 0 to 58% (mean: 16%) in the 1st (2-week) and 2nd (10-week) experiment, respectively. In the 1st experiment, juveniles attained statistically significantly bigger sizes and more than two times higher survival in well water than they did in tap water. In both experiments, the food concentration of 0.250 µl/l resulted in the highest survival (compared to other concentrations ranging from 0.125 to 0.500 µl/l). However, food concentration did not have a significant effect on size of juvenile FPM in either of the experiments. Results indicate that the PFT system is suitable for FPM rearing experiments, but its applicability to mass culture of FPM juveniles requires further investigation.

YSO-asiasanat: uhanalaiset lajit; lajiensuojelu; jokihelmisimpukka; vesiviljely (kalatalous)

Vapaat asiasanat: endangered species; freshwater pearl mussel; captive breeding; artificial culture; Unionida

Liittyvät organisaatiot

Hankkeet, joissa julkaisu on tehty

OKM-raportointi: Kyllä

Raportointivuosi: 2020

JUFO-taso: 1