Acoustic assessment of the distribution and abundance of ...

Table 2. Hydrocarbons of antarctic mesopelagic Invertebrates Branched Saturated Monounsaturated Saturated-tohydrocarbons hydrocarbons hydrocarbons unsaturated (expressed as (expressed as (expressed as ratio of a percentage of a percentage of a percentage of hydrocarbons total hydrocarbons) total hydrocarbons) total hydrocarbons)

Sample

Amphipoda Cyphocaris richardi Eurythenes gryllus Eusirus (perdentatus?) Parandania boecki Parathemisto gaudichaudi Copepoda Calanoides acutus Metridia gerlachei Rhincalanus gigas Polychaeta Tomopteris carpenteri Chaetognatha Sagitta gazellae Coelenterata Atolla wyvillei Diphyes antarctica Tunicata Salpa thompsoni Mysidaceae Antarctomysis ohlinii

65.2 67.9 4.2 69.1

1.2 2.6 8.6 7.2

1.4 1.9 69.4 2.1

_a



73.2