DOI: 10.6084/m9.figshare.1043987.v8
title: Data from 'Millimeter-sized Marine Plastics: A New Pelagic Habitat for Microorganisms and Invertebrates'

description: This fileset provides data and SEM images described in: Reisser J, Shaw J, Hallegraeff G, Proietti M, Barnes DKA, Thums M, Wilcox C, Hardesty BD, Pattiaratchi (2014) Millimeter-sized Marine Plastics: A New Pelagic Habitat for Microorganisms and Invertebrates. PLOS ONE If you have any question/comment, please contact us at jureisser@gmail.com ======================================== Description of files DataTable.xlsx --&gt; contains information related to the collection sites, plastic characteristics, and organism/surface microtexture presence-absence data decribed in the PLOS ONE manuscript. .tif files --&gt; scanning electron microscopy images of marine plastic debris (N = 1143 images). The first number of the file name is the identification number of the plastic imaged (N = 68 pieces; see 1st column of DataTable.xls). .txt files --&gt; Polymer type as estimated by Perkin-Elmer ATR of Polymers Library (N = 66). ======================================== Description of the variables/columns of DataTable.xlsx # -&gt; plastic identification number. Goes from 1 untill 68. Type -&gt; type of plastic. Hard (rigid fragment), Soft (flexible fragment), Pellet (raw material used to make plastic objects - see http://www.pelletwatch.org), Styro (expanded polystyrene/Styrofoam fragment). Polymer -&gt; polymer the plastic piece is made of. PE (polyethylene), PP (polypropylene), PS (polystyrene). Length -&gt; plastic length, in millimeters. Measured using ImageJ. Solidity -&gt; plastic solidity index. Measured using ImageJ. Area -&gt; plastic area, in squared millimeters. Measured using ImageJ. Perimeter -&gt; plastic perimeter, in millimeters. Measured using ImageJ. Circularity -&gt; plastic circularity index. Measured using ImageJ AspectRatio -&gt; plastic aspect ratio. Measured using ImageJ. Roundness -&gt; plastic roundness index. Measured using ImageJ. LinearFracture -&gt; presence/absence of linear fracture on the plastic. 1=present, 0=absent. ConchoidalFracture -&gt; presence/absence of conchoidal fracture on the plastic. 1=present, 0=absent. Pit -&gt; presence/absence of pit on the plastic. 1=present, 0=absent. Groove -&gt; presence/absence of groove on the plastic. 1=present, 0=absent. Diatom -&gt; presence/absence of diatom on the plastic. 1=present, 0=absent. Coccolith -&gt; presence/absence of coccolith on the plastic. 1=present, 0=absent. Dinoflagellate -&gt; presence/absence of dinoflagellate on the plastic. 1=present, 0=absent. Round&lt;1micron -&gt; presence/absence of rounded cell smaller than 1 micrometer on the plastic. 1=present, 0=absent. Round&gt;=1micron -&gt; presence/absence of rounded cell bigger than 1 micrometer on the plastic. 1=present, 0=absent. Elong&lt;1micron -&gt; presence/absence of elongated cell smaller than 1 micrometer on the plastic. 1=present, 0=absent. Elong&gt;=1micron -&gt; presence/absence of elongated cell bigger than 1 micrometer on the plastic. 1=present, 0=absent. Spiral -&gt; presence/absence of spiral cell on the plastic. 1=present, 0=absent. Bryo -&gt; presence/absence of bryozoan on the plastic. 1=present, 0=absent. Lepas -&gt; presence/absence of Lepas on the plastic. 1=present, 0=absent. Isopod -&gt; presence/absence of isopod on the plastic. 1=present, 0=absent. Egg -&gt; presence/absence of egg on the plastic. 1=present, 0=absent. Worm -&gt; presence/absence of worm on the plastic. 1=present, 0=absent. Region -&gt; 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 -&gt; date (day.month.year) when the plastic was collected. SeaTemperature -&gt; Sea surface water temperature (in degrees celsius) of the plastic collection site. Salinity -&gt; Sea surface salinity of the plastic collection site. Latitute -&gt; latitude (in degrees) of the plastic collection site. Longitude -&gt; longitude (in degrees) of the plastic collection site. ========================================