Prof. Dr. Judith Denkinger

Wissenschaftliche Veröffentlichungen

• Oña, J., Denkinger, J., & Schall, E. (2025). Acoustic richness and composition changes of humpback whale (Megaptera novaeangliae) songs on breeding grounds off the coast of Ecuador. Marine Mammal Science, 41(2), e13208.
   
• Alava, J. J., Barragán-Paladines, M. J., Vandenberg, J., Alonso-Yanez, G., Moreno-Báez, M., Calle, N., ... & Cisneros-Montemayor, A. M. (2025). Plastics’ circular economy for the Galápagos Islands? Exploring plastics governance with implications for social and ocean equity in a UNESCO World Heritage Site. Frontiers in Marine Science, 11, 1496213.
   
• Alava, J. J., Tirapé, A., Denkinger, J., Calle, P., Rosero R, P., Salazar, S., ... & Raverty, S. (2024). Endangered Galápagos sea lions and fur seals under the siege of lethal avian flu: a cautionary note on emerging infectious viruses in endemic pinnipeds of the Galápagos Islands. Frontiers in Veterinary Science, 11, 1457035.
   
• Denkinger, J, Douglas A.B., Biggs, D., Sears R., Narvaez M., Alarcon D.E. (2023). Year-round presence of northern and southern hemisphere blue whales (Balaenoptera musculus) at the Galapagos Archipelago. JCRM. 2023 Apr. 11, 24(1): 63-76.
   
• Denkinger, J., Eguiguren, A., Rubianes, F., Munõz-Abril, L., & Onã, J. (2023). Humpback whale (Megaptera novaeangliae) winter distribution and core habitats in relation to El Ninõ Southern Oscillation and depth in coastal and oceanic waters off Ecuador. Mar Mam Sci,1-17, Online 
   
• Oña, J. P., Eguiguren, A., Moscoso, P., & Denkinger, J. (2023). Viajes de investigación para escuchar ballenas en la región del Pacífico Sudeste: un estudio de caso del turismo científico en Ecuador. Mammalia aequatorialis, 5, 97-113.
   
• Schulze, J. N., Denkinger, J., Oña, J., Poole, M. M., & Garland, E. C. (2022). Humpback whale song revolutions continue to spread from the central into the eastern South Pacific. Royal Society Open Science, 9(8), 220158. Online 
   
• Schall, E., Thomisch, K., Boebel, O., Gerlach, G., Mangia Woods, S., T. Roca, I., & Van Opzeeland, I. (2021). Humpback whale song recordings suggest common feeding ground occupation by multiple populations. Scientific Reports, 11(1), 18806.
   
• Alava, J. J., McMullen, K., Jones, J., Barragán‐Paladines, M. J., Hobbs, C., Tirapé, A., ... & Schofield, J. (2022). Multiple anthropogenic stressors in the Galápagos Islands' complex social–ecological system: Interactions of marine pollution, fishing pressure, and climate change with management recommendations. Integrated Environmental Assessment and Management.
   
• Marcondes, M. C. C., Cheeseman, T., Jackson, J. A., Friedlaender, A. S., Pallin, L., Olio, M., ... & Sousa-Lima, R. S. (2021). The Southern Ocean Exchange: porous boundaries between humpback whale breeding populations in southern polar waters. Scientific Reports, 11(1), 23618.
   
• Denkinger, J, Alarcon, D, Espinosa, B, et al. (2020). Social structure of killer whales (Orcinus orca) in a variable low‐latitude environment, the Galápagos Archipelago. Mar Mam Sci. 2020; 1–12., Online
   
• Félix, F., Acevedo, J., Aguayo-Lobo, A., Ávila, I. C., Botero Acosta, N., Calderón, A., ... & Vásquez, E. (2021). Humpback whale Breeding Stock G: Updated population estimate based on photo-ID matches between breeding and feeding areas (SC/68C/ASI/02 IWC working paper). International Whaling Commission.
   
• Oña J., Duque E., Garland E., Seger K., Narvaez M., Maldonado J., Denkinger J. (2019). A Giants dance: Underwater Social and Vocal Behavior of Humpback Whales (Megaptera novaeangliae) Recorded on the Northern Coast of Ecuador. Aquatic Mammals Vol.45, 4, 456-464. DOI, Online  
   
• Pacheco, A. S., Castro, C., Carnero-Huaman, R., Villagra, D., Pinilla, S., Denkinger, J., … Rica, C. (2019). Short Note Sightings of an adult Male Killer Whale Match Humpback Whale Breeding Seasons in Both Hemispheres in the Eastern Tropical Pacific. Aquatic Mammals, 45(3), 320–326., Online 
   
• Alava, J. J., Tatar, B., Barragán, M. J., Castro, C., Rosero, P., Denkinger, J., ... & Samaniego, J. (2019). Mitigating cetacean bycatch in coastal Ecuador: governance challenges for small-scale fisheries. Marine Policy, 110, 10
   
• Acevedo, J., Allen, J. M., Botero-Acosta, N., Capella, J., Castro, C., Dalla Rosa, L., … Stevick, P. T. (2017). Migratory preferences of humpback whales between feeding and breeding grounds in the eastern South Pacific. Marine Mammal Science, 1–18., Online 
   
• Denkinger, J., Guevara, N., Ayala, S., Murillo, J. C., Hirschfeld, M., Montero-Serra, I., … Trueba, G. (2017). Pup Mortality and Evidence for Pathogen Exposure in Galapagos Sea Lions (Zalophus wollebaeki ) on San Cristobal Island, Galapagos, Ecuador. Journal of Wildlife Diseases, 53(3), 2016-05–092., Online 
   
• Alava Saltos J.J., Barragan M.J., Denkinger J. …Grove J.. (2017). Massive Chinese Fleet Jeopardizes Threatened Shark Species around the Galápagos Marine Reserve and Waters off Ecuador: Implications for National and International Fisheries Policy. Int. J Fisheries Sci Res. 2017; 1(1): 1001.
   
• Alava, J. J., Denkinger, J., Jiménez, P. J., Carvajal, R., & Salazar, S. (2017). Population status, anthropogenic stressors and conservation of the Galapagos fur seal (Arctocephalus galapagoensis): an overview. Tropical Pinnipeds, 134-145. 2769.
   
• Pitman, R. L., Deecke, V. B., Gabriele, C. M., Srinivasan, M., Black, N., Denkinger, J., … Ternullo, R. (2016). Humpback whales interfering when mammal-eating killer whales attack other species: Mobbing behavior and interspecific altruism? Marine Mammal Science, 1–52., Online 
   
• Muñoz-Pérez, J. P., Lewbart, G. A., Hirschfeld, M., Alarcón-Ruales, D., Denkinger, J., Castañeda, J. G., ... & Lohmann, K. J. (2017). Blood gases, biochemistry and haematology of Galápagos hawksbill turtles (Eretmochelys imbricata). Conservation Physiology, 5(1), cox028.
   
• Oña, J., Garland, E. C., & Denkinger, J. (2017). Southeastern Pacific humpback whales (Megaptera novaeangliae) and their breeding grounds: distribution and habitat preference of singers and social groups off the coast of Ecuador. Marine Mammal Science, 33(1), 219-235.
   
• Denkinger, J., Gordillo, L., Murillo, J. C., Guevara, N., Hirschfeld, M., Fietz, K., … Dan, M. (2015). Urban life of Galapagos sea lions (Zalophus wollebaeki) on San Cristobal Island, Ecuador: threats and population trends. Journal of Sea Research, 105, 10–14. doi:10.1016/j.seares.2015.07.004.
   
• Lewbart GA; Hirschfeld M; Brothers JR; Munoz-Perez JP; Denkinger J; Vinueza L; Garcia J; Lohmann KJ (2015). Blood gases, biochemistry and haematology of Galápagos marine iguanas (Amblyrhynchus cristatus). Conservation Physiology, Volume 3, Issue 1, 2015, cov034, Online 
   
• Rojas, K., Denkinger, J., Arahana, V. S., Dalgo, D., & de Lourdes Torres, M. (2014). Análisis de la fidelidad de sitio entre machos y hembras de ballenas jorobadas que visitan las costas de Esmeraldas (Ecuador). ACI Avances en Ciencias e Ingenierías, 6(1).
   
• Montero-Serra, I., Páez-Rosas, D., Murillo, J. C., Vegas-Vilarrúbia, T., Fietz, K., & Denkinger, J. (2014). Environment-driven changes in terrestrial habitat use and distribution of the Galapagos sea lion. Endangered Species Research, 24(1), 9-19.
   
• Swing, K., Denkinger, J., Carvajal, V., Encalada, A., Silva, X., Coloma, L. A., ... & Valdebenito, H. (2014). Las colecciones científicas: percepciones y verdades sobre su valor y necesidad. Bitácora Académica, 1.
   
• Denkinger J., Parra, M., Pablo, J., Carrasco, C., Murillo, J.C., Espinosa, E., Rubianes, F., et al. (2013). Are boat strikes a threat to sea turtles in the Galapagos Marine Reserve ? Ocean & Coastal Management, 80(80), 29–35., Online 
   
• Denkinger, J., Oña, J., Alarcón, D., Merlen, G., Salazar, S., & Palacios, D. M. (2013). From whaling to whale watching: Cetacean presence and species diversity in the Galápagos Marine Reserve. Science and conservation in the Galapagos Islands: Frameworks & perspectives, 217-235.
   
• Alava, J. J., Smith, K. J., Hern, J. O., Alarcón, D., Merlen, G., & Denkinger, J. (2013). Short Note Observations of Killer Whale (Orcinus orca) Attacks on Bryde’ s Whales (Balaenoptera edeni) in the Galápagos Islands, 39(2). DOI 10.1578/AM.39.2.2013
   
• Felix F, Haase B, Denkinger J, Falconí J. (2011). Varamientos de mamiferos marinos registrados en la costa continental de Ecuador entre 1996 y 2009. Acta Oceanográfica del Pacífico. 16(1).
   
• Lambertz M, Spieth V, Denkinger J, Traunspurger W. (2011). On dragonfly nymphs (Insecta : Odonata : Anisoptera ) from the caldera of the Cerro Azul volcano , Isla Isabela ( Galápagos Archipelago , Ecuador ). Bonn zoological Bulletin 60 (2): 207-210. 2011;60(December):207-210.
   
• Alava, J.J.; M.J. Barragán and J. Denkinger (2011). Assessing the impact of bycatch on Ecuadorian humpback whale breeding stock: a review with Management recommendations. Journal for Ocean and Coastal Management.
   
• Lambertz, M., Spieth, V., Denkinger, J., & Traunspurger, W. (2011). On dragonfly nymphs (Insecta: Odonata: Anisoptera) from the caldera of the Cerro Azul volcano, Isla Isabela (Galápagos Archipelago, Ecuador). Bonn Zoological Bulletin, 60(2).
   
• Denkinger J. (2010). Population density, abundance estimates, habitat preference and social structure of Amazon River dolphins (Inia geoffrensis) in the Cuyabeno Reserve. Avances 2010. Vol. 2 No. 3, Pp. B91-B97.
   
• Salazar, S. and J. Denkinger (2010.) Possible effects of climate change on Galapagos Pinnipeds. Galapagos Research 67, oct. 2010, pp. 45-49
   
• Denkinger J. (2010). Status of the Amazonian Manatee (Trichechus inunguis) in the Cuyabeno Reserve. Avances, 2010, Vol. 2. Pp. B29-B34.
   
• Denkinger J., C. Suárez, D., Alicia Franco and D. Riebensahm (2007). Proyecto ESMEMAR informe final componente marino. Fondo Ambiental Nacional, Ministerio de Ambiente, Ecuador.
   
• Denkinger J.,  P. Brtnik, P. Flores, G. Mera, Mario Ojeda de la Cruz, C. Pairoa Riofrío, Jacinto Satizabal, y Santiago Torres. 2004. Conservación de los Arrecifes en los Bajos de Atacames a través de la observación de ballenas. Informe final Proyecto PPD (PNUD/ GEF). Enero 2002 – Mayo 2004. Asociación Aventuras de Mar, Yaqu Pacha, Simbioe/ Nazca.
   
• Garrigue, C., Aguayo, A., Baker, S., Caballero, S., Clapham, P. J., Constantine, R., … Poole, M. (2002). Movements of humpback whales in Oceania. Journal for Cetacean Research and Management, 4(3), 255–260. doi:10.1007/s13398-014-0173-7.2
   
• Denkinger, J. (2001). Demographic studies of the Amazon River dolphin (Inia geoffrensis) in the Cuyabeno Reserve, Ecuador. PhD Thesis, University of Bielefeld, Germany.
   
• Scheidat, M., Castro, C., Denkinger, J., Gonz, J., & Adelung, D. (2000). A breeding area for humpback whales (Megaptera novaeangliae) off Ecuador. J. Cetacean Res. Manage., 2(3), 165-171.
   
• Carlström, J., Denkinger, J., Feddersen, P., & Øien, N. (1997). Record of a new northern range of Sowerby's beaked whale (Mesoplodon bidens). Polar biology, 17, 459-461.

Bücher

• Denkinger, J., & Vinueza, L. (Eds.). (2014). The Galapagos marine reserve: a dynamic social-ecological system. Springer Science & Business Media.

Buchkapitel

• Alarcón-Ruales, D., Denkinger, J., Zuritha-Artos L., Herrera S., Diaz-Pazmiño S., Espinoza E., Muñoz-Perez J.P., Holmes, B., Townsend K.A. (2023). Cetaceans of the Galapagos Archipelago: Species in Constant Change and the Importance of a Standardized and Long-Term Citizen Science Program. In: Walsh, S.J., Mena, C.F., Stewart, J.R., Muñoz Pérez, J.P. (eds) Island Ecosystems. Social and Ecological Interactions in the Galapagos Islands. Springer, Cham. Online
   
• Denkinger, J., Quiroga, D., & Murillo, J. C. (2014). Assessing human–wildlife conflicts and benefits of Galápagos sea lions on San Cristobal Island, Galápagos. The Galapagos Marine Reserve: a dynamic social-ecological system, 285-305.

Projekte

• 2025 – 2030: CUMBIAH “Union für das Schutzmanagement der Schweinswalpopulationen in der Ostsee und ihrer Lebensräume” (BfN, ITAW, Universität Potsdam, Universität Aarhus, NIRAS, Museum Vest, Universität Lund, Naturhistorisches Museum Stockholm, Swedish Veterinarian Agency, Turku Universität für angewandte Wissenschaften, Technische Hochschule Tallinna, Klaipeda Universität, BIOMM, National Marine Fisheries Research Insititute Poland)
   
• Oktober 2021 – Juni 2025: PAL-CE:  PAL Nutzung in deutschen Gewässern – derzeitige Effizienz und Einsatz  (BfN, Thünen Institut, Universität Aarhus, Ostsee Informations Zentrum.
   
• 2021 - 2024 GEOSTOR – Submarine Kohlendioxid- Speicherung in der Geologischen Formation der Deutschen Nordsee (GEOMAR Hemholtz-Zentrum für Ozeanforschung Kiel BUndesanstalt für Geowissenschaften und Rohstoffe, itap – Institut für technische und angewandte Physik GmbH, Online 
   
• 2023 - 2027: MarLi Marine Litter, Ecuador (GIZ/ ZUG BMUV, Universität San Francisco de Quito), Online 
   
• 2018 – 2021: Ghostnetproject Ecuador (DAAD/ GIZ/ BMUV, Universität San Francisco de Quito, Universität Bremen, Zentrum für Marine Tropenökologie), Online 
   
• Seit 1996 CETACEA Demographie von Meeressäugern vor der Küste Ecuadors und im Galapagos Meeresreservat. (Yaqu Pacha, USFQ)

Sonstiges

• 2003: Gründungsmitglied Fundation NAZCA Institut für Meeresforschung, Ecuador
   
• seit 2009: Mitglied MIGRAMAR Monitoring of Great Pelagics in the Eastern Tropical Pacific
   
• seit 1996: Leiterin des Projekts CETACEA zum Schutz von Meeressäugern vor der Küste Ecuadors und im Galapagos Meeresreservat
   
• 1995: Marine Mammal Observer NILS survey im Nord Atlantik
   
• 1995: Wissenschaftliche Mitarbeiterin für die Sea Watch Foundation auf den Shetland Inseln 
   
• 1994 Marine Mammal Observer SCANS survey in der nördlichen Nordsee