5.1

 

 

 

 

 

 

 

 

 

1. “Red lists”, species dying/surviving per year, threatened species’ number  

 

 

 

 

 

 

2. As percent of existing?  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Distinguish between known versus unknown species   

 

 

 

 

 

 

 

 

 

 

 

 4. Mean species abundance index  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sources:  

1. _{https://unstats.un.org/sdgs/report/2019/goal-15/}
2. _{https://indiaclimatedialogue.net/2019/05/06/nature-on-verge-of-breakdown-warn-scientists/extinction-risk/}
3. _{https://en.wikipedia.org/wiki/Global_biodiversity#/media/File:Species_Distribution_Biodiversity_after_Chapman_2009.png}
4. _{https://link.springer.com/article/10.1007%2Fs10021-009-9229-5}