7 km Mitigation for marine mammals The mitigation regulations for seismic operations consisted of visual observations for marine mammals within a predefined exclusion zone by marine mammal observers (MMOs) [...] During seismic operations, a constant visual watch for marine mammals was conducted by four marine mammal observers (MMOs) per shift to detect any marine mammals within the predefined safety zone of 1,000 [...] Lester DE.AWI Scientist Marine Geology Lensch Norbert DE.AWI Technician Marine Geology Mollenhauer Gesine DE.AWI Scientist Geochemistry Müller Juliane DE.AWI Scientist Marine Geology Nürnberg Dirk GEOMAR

of Marine Research, 40 (3): 659-677 Grassle, J.F., 1989. Species diversity in deep-sea communities. Trends in Ecology and Evolution, 4: 12-15 Rhoads, D.C., Boyer, L.F., 1982. The effects of marine benthos [...] boat was rocking. The study was funded by the EU, the BMBF, Alfred Wegener Institute for Polar and Marine Research and the Max Planck Society. - 9 - Figure 1. Sampling locations on Håkon Mosby Mud Volcano [...] Schubert, D. Rickert, F. Widdel, A. Gieseke, R. Amann, B.B. Jørgensen, U. Witte, O. Pfannkuche, A marine microbial consortium apparently mediating anaerobic oxidation of methane, Nature 407 (2000) 623-626

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