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01-introduction.md

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- What is Darwin Core?
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- What is a Darwin Core Archive?
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- Why do people use Darwin Core for their data?
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- What is an event, and what is an occurrence?
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- What are the required Darwin Core terms for sharing to OBIS?
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::::::::::::::::::::::
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::::::::::: objectives
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- Understand the purpose of Darwin Core.
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- Understand difference between event and occurrence.
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- Understand how to map data to Darwin Core.
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- Plan for mapping to Darwin Core.
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## Darwin Core - A global community of data sharing and integration
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Darwin Core is a data standard to mobilize and share biodiversity data. Over the years, the Darwin Core standard has
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expanded to enable exchange and sharing of diverse types of biological observations from citizen scientists, ecological
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monitoring, eDNA, animal telemetry, taxonomic treatments, and many others. Darwin Core is applicable to any observation
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of an organism (scientific name, OTU, or other methods of defining a species) at a particular place and time. In Darwin
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Core this is an `occurrence`. To learn more about the foundations of Darwin Core read
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[Wieczorek et al. 2012](https://doi.org/10.1371/journal.pone.0029715).
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monitoring, eDNA, animal telemetry, taxonomic treatments, and many others.
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### Events vs. occurrences
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Darwin Core is applicable to any observation of an organism (scientific name, OTU, or other methods of defining a species)
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at a particular place and time. In Darwin Core this is an `occurrence`. It is the visual or digitally recorded observation
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of an organism. An **event** refers to field sampling event (i.e., transect, cruise, plankton tow) through which these
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observations were made. The event information captures details about when, where, and how the biodiversity observation
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occurred, whereas the **occurrence** captures details on the taxon observed (species, lifestage, sex). To learn more about
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the foundations of Darwin Core read [Wieczorek et al. 2012](https://doi.org/10.1371/journal.pone.0029715).
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### Demonstrated Use of Darwin Core
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The power of Darwin Core is most evident in the data aggregators that harvest data using that standard.
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extensions you use), an Ecological Metadata Language (EML) XML file, and a meta.xml file that describes what's in the
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zipped folder.
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![Darwin Core Archive](/episodes/fig/DwC-Archive.png)
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![Darwin Core Archive](/fig/DwC-Archive.png)
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*Image credit: Elizabeth Lawrence*
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::::::::::::::::::::::::::::::::::::: challenge
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#### :pushpin: Tip
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If your raw column headers are Darwin Core terms verbatim then you can skip this step! Next time you plan data
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If your column headers are Darwin Core terms verbatim then you can skip this step! Next time you plan data
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collection use the standard DwC term headers!
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3. [`minimumDepthInMeters`](https://dwc.tdwg.org/terms/#dwc:minimumDepthInMeters) and [`maximumDepthInMeters`](https://dwc.tdwg.org/terms/#dwc:maximumDepthInMeters)
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4. [`vernacularName`](https://dwc.tdwg.org/terms/#dwc:vernacularName)
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5. [`organismQuantity`](https://dwc.tdwg.org/terms/#dwc:organismQuantity) and [`organismQuantityType`](https://dwc.tdwg.org/terms/#dwc:organismQuantityType)
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6. This one is tricky- it's two terms combined and will need to be split. [`indvidualCount`](https://dwc.tdwg.org/terms/#dwc:individualCount) and [`sex`](https://dwc.tdwg.org/terms/#dwc:sex)
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6. This one is tricky- it's two terms combined and will need to be split. [`individualCount`](https://dwc.tdwg.org/terms/#dwc:individualCount) and [`sex`](https://dwc.tdwg.org/terms/#dwc:sex)
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- Implementing Darwin Core makes data FAIR-er and means becoming part of a community of people working together to
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understand species no matter where they work or are based.
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index.md

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---
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title: Marine Biological Data Mobilization Workshop 2025
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title: Marine Biodiversity Data Mobilization Workshop 2025
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site: sandpaper::sandpaper_site
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---
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**Instructors:**
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Mathew Biddle,
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Laura Brenskelle,
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Steve Formel,
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Elizabeth Lawrence,
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Tylar Murray,
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## General Information
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This workshop is intended to be a small hands-on, interactive virtual workshop focused on mobilizing
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marine biological observation datasets to the [Ocean Biodiversity Information System (OBIS)](https://obis.org)
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by helping data providers standardize their data using Darwin Core including species observations from any
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type of sampling methodologies (e.g. visual surveys, net tows, microscopy, fish trawls, imaging, 'omics,
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marine biodiversity observation datasets to the [Ocean Biodiversity Information System (OBIS)](https://obis.org)
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by helping data providers standardize their data using Darwin Core including species observations from a
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range of sampling methodologies (e.g. visual surveys, net tows, microscopy, fish trawls, imaging, 'omics,
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acoustics, telemetry).
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What this workshop will cover:
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| 14:30 | Social Break |
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| 15:00 | Data Cleaning and Taxon Matching |
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| 15:10 | Breakout Rooms |
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| 16:30 | Return to Main Room |
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| 16:45 | Return to Main Room |
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| 17:00 | Finish |
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### November 5
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| 15:00 | QA QC |
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| 15:10 | Metadata and publishing |
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| 15:20 | Breakout Rooms |
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| 16:30 | Return to Main Room |
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| 16:45 | Return to Main Room |
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| 17:00 | Finish |
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| End | Post-workshop help & survey |
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md5sum.txt

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