Juhani Pirhonen

Senior Lecturer

Unit

Faculty of Mathematics and Science

Department / Division

Department of Biological and Environmental Science

Room number

YA C314.1

juhani.pirhonen@jyu.fi

Mobile

+358408053919

Postal address

Survontie 9

Fields of science

1181 Ecology, evolutionary biology

Research interests

Aquaculture research aims at improving quality and welfare of cultivated aquatic organisms and it enhances culture of new species. My research also helps to improve or develop methods which can decrease environmental impacts of aquaculture.

Publications

Publication

2026

Co-cultivation of mixotrophic non-green algae with the green alga Haematococcus pluvialis in aquaculture effluent

Journal of Applied Phycology.

Vesamäki, Jussi S.

Timilsina, Hemanta

Hiltunen, Minna

Pirhonen, Juhani

Pulkkinen, Katja

Publication

2026

Growth and biomass composition of Chlorella vulgaris using nutrient-rich water and CO2 from a recirculating aquaculture system

Aquaculture.

Hiltunen, Minna

Kannangara, Ruchira

Nakandalage, Bernadeth

Söderena, Olivia

Timilsina, Hemanta

Pirhonen, Juhani

Pulkkinen, Katja

Publication

2026

Valorization of nutrients and CO2 from a recirculating aquaculture system into high-value astaxanthin: A circular bioeconomy approach with Haematococcus pluvialis

Journal of Applied Phycology.

Timilsina, Hemanta

Vesamäki, Jussi S.

Calderini, Marco L.

Hiltunen, Minna

Pirhonen, Juhani

Pulkkinen, Katja

Publication

2025

Flow-through and cyclic fed-batch cultivation of the green microalga Haematococcus pluvialis in recirculating aquaculture effluent : strategies for sustained biomass production and astaxanthin biosynthesis

Aquacultural Engineering.

Timilsina, Hemanta

Hiltunen, Minna

Calderini, Marco L.

Salmi, Pauliina

Pirhonen, Juhani

Pulkkinen, Katja

Publication

2024

Comparison of three unionid mussel species in removing green microalgae grown in recirculating aquaculture system effluent

Hydrobiologia.

Julkunen, Ville

Stevčić, Čedomir

Pirhonen, Juhani

Pulkkinen, Katja

Publication

2023

Supplementing air with CO2 stripped from recirculating aquaculture improves growth of two green microalgae in aquaculture wastewater

Aquaculture.

Pirhonen, Juhani

Koukka, Silja

Pulkkinen, Katja

Publication

2022

Is Aquaponics Beneficial in Terms of Fish and Plant Growth and Water Quality in Comparison to Separate Recirculating Aquaculture and Hydroponic Systems?

Water.

Atique, Faiqa

Lindholm-Lehto, Petra

Pirhonen, Juhani

Publication

2021

Effects of weekend starvation and the duration of daily feeding on production parameters of rainbow trout Oncorhynchus mykiss

Aquaculture.

Tunçelli, Gökhan

Pirhonen, Juhani

Publication

2020

Effects of progressive decrease of feeding frequency and re-feeding on production parameters, stomach capacity and muscle nutritional value in rainbow trout (Oncorhynchus mykiss)

Aquaculture.

Salgado-Ismodes, Andrés

Taipale, Sami

Pirhonen, Juhani

Publication

2020

Efficiency of Daphnia magna in removal of green microalgae cultivated in Nordic recirculating aquaculture system wastewater

Algal Research.

Stevčić, Čedomir

Pulkkinen, Katja

Pirhonen, Juhani

Juhani Pirhonen

Research interests

MIDAS - Microalgal Digital Applications - Bio