Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278 (2025) Ich kenn da einen Trick ... ein einfaches Photometer tut's auch. Laborjournal, 9 . pp. 64-65.

Ghilardi, Mattia ORCID: https://orcid.org/0000-0001-9592-7252, Salter, Michael A., Parravicini, Valeriano, Ferse, Sebastian ORCID: https://orcid.org/0000-0003-0930-5356, Rixen, Tim ORCID: https://orcid.org/0000-0001-8376-891X, Wild, Christian, Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278, Perry, Chris T., Berry, Alex, Wilson, Rod W., Mouillot, David and Bejarano, Sonia ORCID: https://orcid.org/0000-0001-6451-6354 (2023) Temperature, species identity and morphological traits predict carbonate excretion and mineralogy in tropical reef fishes. Nature Communications, 14 . p. 985. DOI https://doi.org/10.1038/s41467-023-36617-7.

Lindhorst, S., Appoo, J., Artschwager, M., Bialik, O., Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278, Bissessur, D., Braga, J.-C., Budke, L., Bunzel, D., Coopen, P., Eberhardt, B., Eggers, D., Eisermann, J.O., El Gareb, F., Emeis, K., Geßner, A.-L., Hüge, Fabian, Knaack-Völker, H., Kornrumpf, N., Lenz, N., Lüdmann, T., Metzke, M., Naderipour, C., Neziraj, G., Reijmer, J., Reolid, J., Reule, N., Rixen, Tim ORCID: https://orcid.org/0000-0001-8376-891X, Saitz, Y., Schäfer, W., Schutter, I., Siddiqui, Claire, Sorry, A., Taphorn, B., Vosen, S., Wasilewski, T. and Welsch, A. (2019) Saya de Malha Carbonates, Oceanography and Biogeochemistry (Western Indian Ocean), Cruise No. SO270, 2019-09-06 - 2019-10-23, Hong Kong (China) - Port Louis (Mauritius) (Englisch). . SONNE-Berichte, SO270 . Gutachterpanel Forschungsschiffe, Bonn, 102 pp. DOI https://doi.org/10.2312/cr_so270.

Ceesay, Adam, Wolff, Matthias ORCID: https://orcid.org/0000-0001-7458-983X, Koné, Tidiani, Njie, Ebrima and Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278 (2016) Seasonal changes in water quality and fisheries of Tanbi Wetland National Park. Regional Studies in Marine Science, 8 (1). pp. 170-182. DOI https://doi.org/10.1016/j.rsma.2016.04.006.

Lahajnar, Niko, Mohrholz, Volker, Angenendt, Svenja, Ankele, Markus, Annighöfer, Meike, Beier, Sebastian, Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278, Bohata, Karolina, Brust-Möbius, Juliane, Buchholz, Fritz, Chikwililwa, Chibo, Cordts, Hannah, Dähnke, Kristin, Denda, Anneke, Flohr, Anita, Frame, Caitlin, Geist, Simon, Gerth, Monika, Hansen, Anja, Heene, Toralf, Höring, Flavia, Janssen, Silke, Koppelmann, Rolf, Kunzmann, Andreas ORCID: https://orcid.org/0000-0002-9500-4332, Kretzschmann, Lisett, Martin, Bettina, Mlambo, Lindan, Möbius, Jürgen, Muyongo, Aphary, Nickel, Gerald, Ngutjinazo, Thusnelda, Numwa, Oliver, Ohde, Thomas, Pavloudi, Christina, Paul, Nina, Rejoice N. E., Josephine, Rixen, Tim ORCID: https://orcid.org/0000-0001-8376-891X, Schmidt, Martin, Schukat, Anna, Siegel, Herbert, Simon, Stephanie, Stöber, Anette, Teichert, Lea, Vorrath, Maria-Elena, Wasmund, Norbert and Werner, Thorsten (2015) Geochemistry and Ecology of the Namibian Upwelling System NAMUFIL: Namibian Upwelling Filament Study - Cruise No. M103 - December 27, 2013 - February 11, 2014 - Walvis Bay (Namibia) - Walvis Bay (Namibia). . METEOR-Berichte, M103 . DFG-Senatskommission für Ozeanographie, Bremen, 91 pp. DOI https://doi.org/10.2312/cr_m103.

Flohr, Anita, Rixen, Tim ORCID: https://orcid.org/0000-0001-8376-891X and Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278 (2014) Beurteilung der Auswirkungen von pH-Flüssen zwischen der Sediment-Wasser-Grenzfläche auf die darüberliegende Wassersäule vor Namibias Küste. UNSPECIFIED .

Dittmar, Thorsten and Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278 (2001) Regeneration of nutrients in the northern Benguela upwelling and the Angola-Benguela Front areas : BENEFIT Marine Science. South African Journal of Science, 97 (5). pp. 239-246.

Chaves, Joaquín and Birkicht, Matthias ORCID: https://orcid.org/0009-0006-0386-0278 (1996) Equatorial Subsurface Water and the nutrient seasonality distribution of the Gulf of Nicoya, Costa Rica. Revista de Biología Tropical, 44 (Supl. 3). pp. 41-47.