Blar i Bergen Open Research Archive på forfatter "Xavier, Joana R"
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Deep-sea sponge grounds as nutrient sinks: Denitrification is common in boreo-Arctic sponges
Rooks, Christine; Fang, James Kar-Hei; Mørkved, Pål Tore; Zhao, Rui; Rapp, Hans Tore; Xavier, Joana R; Hoffmann, Friederike (Journal article; Peer reviewed, 2020-03)Sponges are commonly known as general nutrient providers for the marine ecosystem, recycling organic matter into various forms of bioavailable nutrients such as ammonium and nitrate. In this study we challenge this view. ... -
Habitat variability and faunal zonation at the Ægir Ridge, a canyon-like structure in the deep Norwegian Sea
Brix, Saskia; Kaiser, Stephanie M.; Lörz, Anne-Nina; Le Saout, Morgane; Schumacher, Mia; Bonk, Frederic; Egilsdottir, Hrönn; Hilma Ólafsdóttir, Steinunn; Tandberg, Anne Helene Solberg; Taylor, James; Tewes, Simon; Xavier, Joana R; Linse, Katrin (Journal article; Peer reviewed, 2022)The Ægir Ridge System (ARS) is an ancient extinct spreading axis in the Nordic seas extending from the upper slope east of Iceland (∼550 m depth), as part of its Exclusive Economic Zone (EEZ), to a depth of ∼3,800 m in the ...