Densities of benthic taxa with depth (CON 01-01 and CON 01-04 expeditions).

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false3DOIDB.SDDB 10.1594/GFZ.SDDB.1076 Martin, Patrick Boes, Xavier Goddeeris, Boudewijn Fagel, Natalie Densities of benthic taxa with depth (CON 01-01 and CON 01-04 expeditions). Deutsches GeoForschungsZentrum GFZ 2006 Ice Expedition 2001 Vereshchagin Short Cores Expedition 2001 Ice R/V Vereshchagin calculation Chironomidae Copepoda Gammaridae Hydrachnidia Nematoda Oligochaeta Ostracoda 2006-11-16 eng Dataset 10.1016/j.gloplacha.2004.11.012 35 Datapoints text/tab-separated-values In all abyssal stations, densities are never over an average of c. 3100 individuals m−2 (Fig. 3, Table 1). In contrast, the shallow station (CON01-427, Posolskoe Bank) harbours the highest observed densities (oligochaetes reach densities as high as 13573 individuals m−2 on average). Gammarids are present in this latter station at 128 m deep, while they are absent from all deep stations. The presence of some groups is anecdotal, such as Hydrachnidia (one specimen in a core at 388 m and two specimens in a core at 625 m) and chironomid larvae (two larvae in a core at 625 m). Interestingly, the two deepest Vydrino cores (CON01-105-7, 600 m, and CON01-106-3, 700 m) are virtually free from animals, suggesting that these stations are perhaps the best choice for the study of stratigraphy and climate proxies. 51.568 51.5999 53.955 108.913