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OUT OF MIND » CHANGING ENVIRONMENT & NATURE » NATURE & ENVIRONMENT » Plants are going extinct at a pace that has never been seen before!

Plants are going extinct at a pace that has never been seen before!

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PurpleSkyz

PurpleSkyz
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Plants are going extinct at a pace that has never been seen before!


By
Strange Sounds
-
Jun 13, 2019


Twice as many plant species have gone extinct in the last 250 years than amphibians, mammals, and birds combined.

The first comprehensive report of global plant extinctions suggest that almost 600 plants have gone extinct since the middle of the 18th-century. That’s an amazing 2 plant species per year!

Plants are going extinct at a pace that has never been seen before! Plant-extinction-rate-unprecedented

Twice as many plant species have gone extinct in the last 250 years than amphibians, mammals, and birds combined. Picture by RTSeaBlog
According to the new study, it’s a pace that has never been seen before.
Plants underpin and provide key resources to entire ecosystems worldwide. However, much of the effort to quantify the loss of species diversity worldwide has focused on charismatic species such as mammals and birds,” said British Ecological Society committee member Rob Salguero-Gómez.“Understanding how much, where, and how plant species are being lost is of paramount importance, not only for ecologists but also for human societies.

Unprecedented rate of extinction

To come to their conclusions, scientists analyzed detailed records and reports of over 1,200 known extinct species based on physical sightings, specimens, and publications.
They found that the rate at which plants are going extinct is 500 times baseline levels of 1 to 5 species every year.
Between 1753 and 2018, 571 plant species have been driven to extinction. That’s four times higher than previous estimates by the Red List of Threatened Species, which suggested that less than 150 plant species had gone extinct.
Extinctions are the highest in biodiversity hotspots like islands, the tropics, and species with narrow ranges like certain shrubs and trees. Overall, the researchers found no clear genetic or evolutionary pattern as to what makes one species more likely to go extinct when compared to another, which makes predicting survivors of ongoing Earth changes more of a challenge, potentially hindering future conservation efforts.

We depend on plants

We depend on plants directly for food, shade and construction materials, and indirectly for ‘ecosystem services’ such as carbon fixation, oxygen creation, and even improvement in human mental health through enjoying green spaces,” said Salguero-Gómez.
The findings confirm an earlier report published by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) highlighting the dangerous “unprecedented” decline of “accelerating” species extinction rates. Today, over 1 million species are threatened with extinction, and as many as 135 animal, plant, and insect species are going extinct every day. 
The paper also notes that researchers had rediscovered some plant species that were previously recorded as extinct but have since been spotted growing in the wild again. Still, they face a 90 percent chance of becoming extinct.
Hopefully, they have some seeds of these extinct plants in the doomsday seed bunker. ‘The human apocalypse is near. Be prepared and get ready!
[Nature, Science Media Center, IFL Science]

Thanks to: http://strangesounds.org



  

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