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Umeå universitet
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Personalbild Joakim Ahlgren

Joakim Ahlgren

Miljöanalytiker (kemi) på UMF. Kvalitetsansvarig och ansvarig för ackrediteringssystemet.

Kontakt

E-post
joakim.ahlgren@umu.se
Telefon
090-786 79 78

Verksam som

Anknytning
Miljöanalytiker vid Umeå marina forskningscentrum (UMF)
Plats
Norrbyn, 905 71 Hörnefors Norrbyn, 90571 Hörnefors
Eutrofiering och närsalter i Bottniska viken: ett ekosystem i förändring
Rapport - Naturvårdsverket, 7178
Andersson, Agneta; Huseby, Siv; Ahlgren, Joakim; et al.
Temperature, DOC level and basin interactions explain the declining oxygen concentrations in the Bothnian Sea
Journal of Marine Systems, Vol. 170 : 22-30
Ahlgren, Joakim; Grimvall, Anders; Omstedt, Anders; et al.
Orsaker till minskande syrehalter i Bottenhavet
Havsmiljöinstitutets rapport, 2017:5
Ahlgren, Joakim; Rolff, Carl; Grimvall, Anders; et al.
Identification and quantification of organic phosphorus forms in soils from fertility experiments
Soil use and management, Vol. 29 : 24-35
Ahlgren, Joakim; Djodjic, Faruk; Borjesson, G.; et al.
Barium as a Potential Indicator of Phosphorus in Agricultural Runoff
Journal of Environmental Quality, Vol. 41, (1) : 208-216
Ahlgren, Joakim; Djodjic, Faruk; Wallin, Mats
Diagenesis of settling seston: identity and transformations of organic phosphorus
Journal of Environmental Monitoring, Vol. 14, (3) : 1098-1106
Reitzel, Kasper; Ahlgren, Joakim; Rydin, Emil; et al.
Release of organic P forms from lake sediments
Water Research, Vol. 45, (2) : 565-572
Ahlgren, Joakim; Reitzel, Kasper; De Brabandere, Heidi; et al.
Oxygen isotopes in phosphate as a tracer for sources and pathways of catchment P in stream water
Geochimica et Cosmochimica Acta, Vol. 74, (12) : A1030-A1030
Taubald, H.; Tonderski, K.; Andersson, L.; et al.
Sediment extraction and clean-up for organic phosphorus analysis by electrospray ionization tandem mass spectrometry
Talanta: The International Journal of Pure and Applied Analytical Chemistry, Vol. 74, (5) : 1175-1183
De Brabandere, Heidi; Danielsson, Rolf; Sjoberg, Per J. R.; et al.
Sediment phosphorus extractants for phosphorus-31 nuclear magnetic resonance analysis: A quantitative evaluation
Journal of Environmental Quality, Uppsala Univ, Dept Phys & Analyt Chem, S-75124 Uppsala, Sweden. Univ So Denmark, Inst Biol, DK-5230 Odense M, Denmark. Uppsala Univ, Dept Biochem & Organ Chem, S-75124 Uppsala, Sweden. Uppsala Univ, Dept Ecol & Evolut, S-75123 Uppsala, Sweden.: 2007, Vol. 36, (3) : 892-898
Ahlgren, Joakim; De Brabandere, Heidi; Reitzel, Kasper; et al.
Degradation rates of organic phosphorus in lake sediment
Biogeochemistry, Univ So Denmark, Inst Biol, DK-5230 Odense M, Denmark. Uppsala Univ, Dept Analyt Chem, S-75124 Uppsala, Sweden. Uppsala Univ, Dept Organ Chem, S-75124 Uppsala, Sweden. Uppsala Univ, Dept Limnol, S-75236 Uppsala, Sweden.: 2007, Vol. 82, (1) : 15-28
Reitzel, Kasper; Ahlgren, Joakim; DeBrabandere, Heidi; et al.
Biogenic phosphorus in oligotrophic mountain lake sediments: Differences in composition measured with NMR spectroscopy
Water Research, Uppsala Univ, Dept Phys & Analyt Chem, S-75124 Uppsala, Sweden. Univ So Denmark, Inst Biol, DK-5230 Odense M, Denmark. Uppsala Univ, Dept Organ & Biol Chem, S-75123 Uppsala, Sweden. Uppsala Univ, Dept Ecol & Evolut, EBC, S-75236 Uppsala, Sweden.: 2006, Vol. 40, (20) : 3705-3712
Ahlgren, Joakim; Reitzel, Kasper; Danielsson, Rolf; et al.
Degradation of organic phosphorus compounds in anoxic Baltic Sea sediments: A P-31 nuclear magnetic resonance study
Limnology and Oceanography, Uppsala Univ, Dept Ecol & Evolut, Evolutionary Biol Ctr, S-75236 Uppsala, Sweden. Uppsala Univ, Dept Chem, S-75124 Uppsala, Sweden. Univ So Denmark, Inst Biol, DK-5230 Odense, Denmark.: 2006, Vol. 51, (5) : 2341-2348
Ahlgren, Joakim; Reitzel, Kasper; Tranvik, Lars; et al.
Characterization of phosphorus in sequential extracts from lake sediments using P-31 nuclear magnetic resonance spectroscopy
Canadian Journal of Fisheries and Aquatic Sciences, Univ So Denmark, Inst Biol, DK-5230 Odense M, Denmark. Univ Uppsala, Dept Analyt Chem, S-75124 Uppsala, Sweden. Univ Uppsala, Dept Organ Chem, S-75124 Uppsala, Sweden. Uppsala Univ, Dept Ecol & Evolut, EBC, S-75236 Uppsala, Sweden.: 2006, Vol. 63, (8) : 1686-1699
Reitzel, Kasper; Ahlgren, Joakim; Gogoll, Adolf; et al.
Effects of aluminum treatment on phosphorus, carbon, and nitrogen distribution in lake sediment: A P-31 NMR study
Water Research, Univ So Denmark, Inst Biol, DK-5230 Odense M, Denmark. Uppsala Univ, Dept Analyt Chem, S-75124 Uppsala, Sweden. Uppsala Univ, Dept Organ Chem, S-75124 Uppsala, Sweden. Uppsala Univ, EBC, Dept Ecol & Evolut, S-75236 Uppsala, Sweden.: 2006, Vol. 40, (4) : 647-654
Reitzel, Kasper; Ahlgren, Joakim; Gogoll, Adolf; et al.
Sediment depth attenuation of biogenic phosphorus compounds measured by P-31 NMR
Environmental Science and Technology, Univ Uppsala, Dept Analyt Chem, SE-75124 Uppsala, Sweden. Univ Uppsala, Dept Ecol & Evolut, Uppsala, Sweden. Univ Uppsala, Dept Organ Chem, SE-75124 Uppsala, Sweden.: 2005, Vol. 39, (3) : 867-872
Ahlgren, Joakim; Tranvik, L; Gogoll, A; et al.
Visa publikationer i DiVA

Forskningsprojekt

1 januari 2025 till 31 december 2026
När kommer övergödningsproblem drabba Bottenviken?
1 mars 2022 till 29 februari 2024
Närsalter och övergödning i Bottniska viken