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eeerika committed Jun 29, 2023
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4 changes: 2 additions & 2 deletions README.md
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## Welcome the global Ocean Health Index data prep repository

This repository includes all the scripts used to prepare data for the global Ocean Health Assessment
for the 2022 assessment. The tenth assessment of OHI!!
for the 2023 assessment. The tenth assessment of OHI!!

For more information about the Ocean Health Index global assessment see: http://ohi-science.org/ohi-global/

Here is a link describing file organization: http://ohi-science.org/ohiprep_v2022/Reference/SOP_dataOrganization/dataOrganization_SOP.html
Here is a link describing file organization: http://ohi-science.org/ohiprep_v2023/Reference/SOP_dataOrganization/dataOrganization_SOP.html
450 changes: 450 additions & 0 deletions globalprep/lsp/v2023/1_prep_wdpa_rast.Rmd

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75 changes: 75 additions & 0 deletions globalprep/lsp/v2023/check_updates.Rmd
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---
title: 'OHI 2021: LSP Updates Check '
author: "*Compiled on `r date()` by `r Sys.info()['user']`*"
output:
html_document:
code_folding: show
toc: true
toc_depth: 1
toc_float: yes
number_sections: false
theme: cerulean
highlight: haddock
includes:
in_header: '../../../workflow/templates/ohi_hdr.html'
pdf_document:
toc: true
---

```{r setup, warning=FALSE, message=FALSE, echo=FALSE}
knitr::opts_chunk$set(eval=FALSE)
library(raster)
library(readr)
library(tidyverse)
dir_goal <- "~/github/ohiprep_v2021/globalprep/lsp/v2021"
```

# Summary

***
Check outliers in output files from Lasting Special Places data prep and compare to Protected Planet's [monthly updates](https://www.protectedplanet.net/c/monthly-updates/) webpage.

```{r}
major_changes <- read_csv("output/major_changes_2021.csv" ) #added this so I could come back to it without rerunning everything
```

## Bouvet Island +1.0:
- Everything I can find suggests that this is and has been a fully protected nature preserve.
- It could be possible that in the past our models somehow were ignoring this place?

#3 Mozambique +0.769:
- This is taken from our data sources website, and suggests that the protected area in this region did grow, however I don't think it reflects that big of a growth...
![image](https://user-images.githubusercontent.com/33332753/107826818-64b44a80-6d3a-11eb-9c53-73213e9513c9.png)
- According to our data source update, in December 2020, a protected area polygon was added. In November 2020, a polygon was updated.
- This seems to be a reversal of what was done last year. Last year Mozambique lost ~0.6

## Russia +0.667:
- At first glance, this one is a little puzzling...
- The chart here also doesn't reflect that big of growth:
![image](https://user-images.githubusercontent.com/33332753/107827440-abef0b00-6d3b-11eb-93fc-53293ed088e0.png)
- And on the [country page for protected planet](https://www.protectedplanet.net/country/RUS), it indicates that 2.24% marine protected area coverage. Even with our 30% cut off, it would make Russia's score ~7.5% (similar to what it was in 2020).
- **HOWEVER, I just think that this graph hasn't been updated this year.... because [this](https://www.protectedplanet.net/en/resources/January-2021-update-of-the-wdpa-and-wd-oecm) lists the January 2021 update for the WDPA dataset, and Russia has the largest update (and its only update since 2003).**
- This update added 7695 polygons, and removed 2116 polygons.

## Slovenia -0.494:
- Their country page on protectedplanet shows this much coverage:
![image](https://user-images.githubusercontent.com/33332753/107828404-9ed31b80-6d3d-11eb-9ea8-8d1af8454141.png)
- The August 2020 update of the dataset tells us that there were 172 polygons added, 305 polygons removed, and 870 polygons updated for Slovenia. **The removal of polygons is likely why their score has decreased.**

## India -0.218:
- Their country page shows this much protected area:
![image](https://user-images.githubusercontent.com/33332753/107828783-68e26700-6d3e-11eb-96aa-e79aa56fa19a.png)
- **The February 2021 update of the dataset shows that 346 polygons in India were removed.**

I feel pretty confident that these changes are not due to a screw up, and just changes in source data. Although the Bouvet Island one does confuse me.



***



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