Amino acid compound specific isotope analyses of abyssal deposit feeders, gut contents, and surrounding surface sediments collected on R/V Atlantis cruise AT42-10 and R/V Western Flyer Pulse 72 in the eastern North Pacific in 2019

Abstract

Abyssal ecosystems depend on the quantity and quality of organic material reaching the deep-sea floor. During R/V Atlantis cruise (AT42-10) in May 2019 and R/V Western Flyer cruise (Pulse 72) in October 2019, samples from deep-sea benthic communities were collected in the eastern North Pacific Ocean. Station M was visited to investigate how surface ocean processes are coupled to food-webs at the deep ocean seafloor and to understand the sources of nutrition to the deep-sea benthos. This dataset presents compound specific stable isotope analyses of amino acids (AA-CSIA) of abyssal deposit feeders, their gut contents, and the surrounding sediments.

For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/840749