Vocabulary
EMODnet micro-litter types
| URI | http://vocab.nerc.ac.uk/collection/H01/current/ |
|---|---|
| Description | Controlled vocabulary defining the terms that may be used for micro-litter particle types in the EMODnet Chemistry data reporting system. The categories only reflect types based on morphological criteria (e.g. pellets, fragments, etc.) and all reference to the material they were made of was removed from this vocabulary as agreed in https://nvs-vocabs/EMODnetChemVocabs#19. |
| Creator | EMODNet Chemistry Lot |
| Modified | 2023-07-25 |
| Version Info | 10 |
| Identifier | H01 |
| Register Manager | British Oceanographic Data Centre |
| Register Owner | EMODNet Chemistry Lot |
| See Also | https://github.com/nvs-vocabs/H01 |
| License | https://creativecommons.org/licenses/by/4.0/ |
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Members
| ID ↑ | Preferred Label ↑ | Definition ↑ | Date ↑ |
|---|---|---|---|
| H0100010 | Undefined micro-litter items | A term to be used when the micro-litter morphologic type has not been defined. | 2023-07-03 |
| H0100004 | filaments | Slender thread-like micro-litter particles. | 2022-06-28 |
| H0100005 | films | Thin planar micro-litter particles of arbitrarily limited maximum thickness, in which the thickness is very small compared to the length and width (adapted from ISO definition for film https://www.iso.org/obp/ui/#iso:std:iso:5148:ed-1:v1:en:term:3.1). In the micro-litter nomenclature, particles of type "films" are more flexible than particles of type "fragments" with the latter tending to break easily (Isobe et al 2019). | 2023-07-24 |
| H0100006 | foams | Flexible micro-litter particles in which material cells are all or partly intercommunicating (adapted from ISO definition for foam (https://www.iso.org/obp/ui/#iso:std:iso:tr:20342:-7:ed-1:v1:en). | 2023-07-04 |
| H0100002 | fragments | Irregularly-shaped micro-litter particles with broken off edges that may be rounded or angular. | 2023-07-10 |
| H0100009 | granules | Micro-litter particles with smooth spherical shape. In comparison with pellets, they have a rounder shape and are smaller in size (adapted from [Matiddi et al, 2021](https://accedacris.ulpgc.es/bitstream/10553/114417/1/Report_Monitoring-microlitter-ingestion-in-marine-fish.pdf)). | 2022-07-20 |
| H0100001 | microplastic items DEPRECATED | Term deprecated on 2023/07/03 as agreed https://github.com/nvs-vocabs/H01/issues/3. Description was:A generic term for any kind of micro-litter item made of any kind of plastic material. | 2023-07-03 |
| H0100008 | non-plastic filaments (natural fibres, rubber) DEPRECATED | Term deprecated on 2022/06/28 following review of the H01 categories; see https://github.com/nvs-vocabs/EMODnetChemVocabs/issues/19. Filaments of non-plastic material such as natural fibres or rubber that are present in micro-litter samples. | 2022-06-28 |
| H0100007 | non-plastic man-made micro-particles (e.g. glass, metal, tar) DEPRECATED | Term deprecated on 2022/06/28 following review of the H01 categories; see https://github.com/nvs-vocabs/EMODnetChemVocabs/issues/19. A generic term for any kind of micro-litter item that is not made of plastic. | 2022-06-28 |
| H0100003 | pellets | Micro-litter particles from industrial origin only. In comparison with granules, pellets are usually flat on one side, rough surface and irregular, round shapes. Normally bigger in size. | 2022-06-28 |
