This is a technical background document for the IPBES Thematic assessment of the underlying causes of biodiversity loss, determinants of transformative change and options for achieving the 2050 vision for biodiversity. It provides technical details and implementation settings for the data management report of the Transformative Change Assessment Corpus and its usage. The sole purpose of this document is to document the workflows used to produce statistics, figures and maps, to document the source of the data and to make the process transparent and reproducible.
To guarantee reproducibility, it will be downloaded and extracted when the folder ch1_evidence_causes/data does not exist
All code to re-generate the data is included but might take a long time to run and produce different numbers as OpenAlex is updated continously.
Disable this block and delete all content in the folder ch1_evidence_causes/data to re-generate the data. The folder ch1_evidence_causes/data has to exist.
This code will only work after the approval of the assessment by the plenary as the repository will remain confidential before.
The BuidNo is automatically increased by one each time the report is rendered. It is used to indicate different renderings when the version stays the same.
The concepts_1 search returns a subset of the nature corpus as biodiversity is a subset of the nature corpus. Therefore, it is not nbecessary to subset the nature corpus and the search can be done on the complete OpenAlex corpus .
6. Assessing the literature that discusses the causes of biodiversity loss
(using the full Nature corpus, the narrowed TFC corpus and the overlap between the full nature corpus and the narrowed TFC corpus) – for thematic analysis
How many, what percentage, and what papers in the full TC corpus?
The Ethics Corpus consists of 135581 works, which is 2.86% of the TCA Corpus
2. Assessing broader biodiversity concepts
Subset of OpenAlex Corpus
The Concepts 1 Corpus (talking about biodiversity in relation to conservation, management, policy, or governance ) consists of 3753713 works, which is 14.31% of the Nature Corpus. Of these, 675412 (% of Nature Corpus and % of the Concept 1 Corpus) works also talk about broader than non-human species and ecosystems.
3. Assessing disciplinary bias in the nature corpus
To be discussed
4. Narrowed TFC corpus
Subset of TCA Corpus
The Narrowed TFC Corpus consists of 1063513 works, which is 22.41% of the TCA Corpus.
Subset of Nature Corpus
The Narrowed Nature Corpus consists of 1179551 works, which is 4.5% of the Nature Corpus.
5. Assessing criteria in the Narrowed TFC corpus
Criteria 1
284913 works in the narrowed TCA Corpus, which is 26.79% of the Narrowed TCA Corpus.
Criteria 2
412638 works in the narrowed TCA Corpus, which is 38.8% of the Narrowed TCA Corpus.
Criteria 3
577773 works in the narrowed TCA Corpus, which is 54.33% of the Narrowed TCA Corpus.
Criteria 4
869859 works in the narrowed TCA Corpus, which is 81.79% of the Narrowed TCA Corpus.
6. Assessing the literature that discusses the causes of biodiversity loss
Nature Corpus AND Step 1 AND Step 2
1578 works in the Nature Corpus crossed with Step 1 and Step 2 terms, which is 0.01% of the Nature Corpus
There are the following numbers of wotks in the Nature Corpus:
231 works in the Nature Corpus that discuss the Topic 1, which is 0%
31 works in the Nature Corpus that discuss the Topic 2, which is 0%
64 works in the Nature Corpus that discuss the Topic 3, which is 0%
196 works in the Nature Corpus that discuss the Topic 4, which is 0%
220 works in the Nature Corpus that discuss the Topic 5, which is 0%
Narrowed TCA Corpus AND Step 1 AND Step 2
384 works in the Narrowed TCA Corpus crossed the NAture Corpus and with Step 1 and Step 2 terms, which is 0.04% of the Narrowed TCA Corpus
There are the following numbers of wotks in the Narrowed TCA Corpus:
100 works in the Narrowed TFC Corpus that discuss the Topic 1, which is 0.01%
20 works in the Narrowed TFC Corpus that discuss the Topic 2, which is 0%
37 works in the Narrowed TFC Corpus that discuss the Topic 3, which is 0%
**** works in the Narrowed TFC Corpus that discuss the Topic 4, which is %
95 works in the Narrowed TFC Corpus that discuss the Topic 5, which is 0.01%
Nature Corpus AND Narrowed TCA Corpus AND Step 1 AND Step 2
454 works in the Narrowed TCA Corpus crossed with Step 1 and Step 2 terms, which is 0.04% of the Narrowed TCA Corpus
There are the following numbers of wotks in the Nature Corpus AND Narrowed TCA Corpus:
90 works in the Nature Corpus AND Narrowed TFC Corpus that discuss the Topic 1, which is 0.01%
20 works in the Nature Corpus AND Narrowed TFC Corpus that discuss the Topic 2, which is 0%
34 works in the Nature Corpus AND Narrowed TFC Corpus that discuss the Topic 3, which is 0%
100 works in the Nature Corpus AND Narrowed TFC Corpus that discuss the Topic 4, which is 0.01%
88 works in the Nature Corpus AND Narrowed TFC Corpus that discuss the Topic 5, which is 0.01%
@report{krug,
author = {Krug , Rainer M and Leventon, Julia and Gurung, Janita and
Wickson, Fern},
title = {Chapter 1 {Evidence} {Causes} - {Technical} {Background}
{Report}},
doi = {10.5281/zenodo.11389482},
langid = {en}
}
For attribution, please cite this work as:
Krug, Rainer M, Julia Leventon, Janita Gurung, and Fern Wickson. n.d.
“Chapter 1 Evidence Causes - Technical Background Report.”IPBES Transformative Change Assessment. https://doi.org/10.5281/zenodo.11389482.