this post was submitted on 28 Aug 2023
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Biodiversity

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Welcome to c/Biodiversity @ Mander.xyz!

A community about the variety of life on Earth at all levels; including plants, animals, bacteria, and fungi.



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2023-06-16: We invite our users to contribute resources for the sidebar.

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Biodiversity is a term used to describe the enormous variety of life on Earth. It can be used more specifically to refer to all of the species in one region or ecosystem. Biodiversity refers to every living thing, including plants, bacteria, animals, and humans. Scientists have estimated that there are around 8.7 million species of plants and animals in existence. However, only around 1.2 million species have been identified and described so far, most of which are insects. This means that millions of other organisms remain a complete mystery.

Over generations, all of the species that are currently alive today have evolved unique traits that make them distinct from other species. These differences are what scientists use to tell one species from another. Organisms that have evolved to be so different from one another that they can no longer reproduce with each other are considered different species. All organisms that can reproduce with each other fall into one species. Read more...

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[–] benjhm@sopuli.xyz 2 points 2 years ago (1 children)

Nice maps and interactive tool. However it seems to me, this definition doesn't sufficiently account for mountains, which have quite different ecosystems from their neighbouring plains. Also, will you recalculate this to show how these regions move over time, with climate change ?

[–] fossilesque@mander.xyz 1 points 2 years ago (1 children)

Not mine, but there was a project already doing something similar. https://pastglobalchanges.org/science/wg/former/landcover6k/ there's likely newer groups on there doing stuff too.

[–] benjhm@sopuli.xyz 1 points 2 years ago (1 children)

Thanks for link (end with /intro to make it work). I'm contemplating such maps for the purpose of defining a ±1000 region set for an interactive integrated assessment type model running timescale ±1750-2250 - so it needs to span multiple dimensions - political, demographic, climatic, landuse/ecosystems, for multiple end-purposes - for example exploring climate -migration - socio feedbacks, including being able to represent both historical and future changes, (although not such long timescale as PAGES).

[–] fossilesque@mander.xyz 1 points 2 years ago* (last edited 2 years ago)

That's an end goal of many organisations like PAGES, I believe. We're still trying to figure out those bits. Trends are going that way. We have data, the problem is now, how do we link it all.

https://www.google.co.uk/books/edition/Thinking_Big_Data_in_Geography/gIlQDwAAQBAJ?hl=en