Data from 'Millimeter-sized Marine Plastics: A New Pelagic Habitat for Microorganisms and Invertebrates'

Hard (rigid fragment), Soft (flexible fragment), Pellet (raw material used to make plastic objects - see pelletwatch.org), Styro (expanded polystyrene/Styrofoam fragment). Polymer -> polymer the plastic piece is made of. PE (polyethylene), PP (polypropylene), PS (polystyrene).

Length -> plastic length, in millimeters. Measured using ImageJ. Solidity -> plastic solidity index.

Measured using ImageJ. Area -> plastic area, in squared millimeters. Measured using ImageJ.

Perimeter -> plastic perimeter, in millimeters. Measured using ImageJ. Circularity -> plastic circularity index.

Measured using ImageJ AspectRatio -> plastic aspect ratio. Measured using ImageJ. Roundness -> plastic roundness index.

Measured using ImageJ. LinearFracture -> presence/absence of linear fracture on the plastic. 1=present, 0=absent. ConchoidalFracture -> presence/absence of conchoidal fracture on the plastic. 1=present, 0=absent.

Pit -> presence/absence of pit on the plastic. 1=present, 0=absent. Groove -> presence/absence of groove on the plastic. 1=present, 0=absent. Diatom -> presence/absence of diatom on the plastic. 1=present, 0=absent.

Coccolith -> presence/absence of coccolith on the plastic. 1=present, 0=absent. Dinoflagellate -> presence/absence of dinoflagellate on the plastic. 1=present, 0=absent. Round<1micron -> presence/absence of rounded cell smaller than 1 micrometer on the plastic. 1=present, 0=absent.

Round>=1micron -> presence/absence of rounded cell bigger than 1 micrometer on the plastic. 1=present, 0=absent. Elong<1micron -> presence/absence of elongated cell smaller than 1 micrometer on the plastic. 1=present, 0=absent. Elong>=1micron -> presence/absence of elongated cell bigger than 1 micrometer on the plastic. 1=present, 0=absent.

Spiral -> presence/absence of spiral cell on the plastic. 1=present, 0=absent. Bryo -> presence/absence of bryozoan on the plastic. 1=present, 0=absent. Lepas -> presence/absence of Lepas on the plastic. 1=present, 0=absent.

Isopod -> presence/absence of isopod on the plastic. 1=present, 0=absent. Egg -> presence/absence of egg on the plastic. 1=present, 0=absent. Worm -> presence/absence of worm on the plastic. 1=present, 0=absent.

Region -> marine region where the plastic was collected. North West, South West, South East, Temperate East, Coral Sea, and Pacific (see Figure 1 of the paper). Date -> date (day.month.year) when the plastic was collected.

SeaTemperature -> Sea surface water temperature (in degrees celsius) of the plastic collection site. Salinity -> Sea surface salinity of the plastic collection site. Latitute -> latitude (in degrees) of the plastic collection site.

Longitude -> longitude (in degrees) of the plastic collection site. ========================================