It is a global network of experts who, working in their own regions and institutions, all contribute to the conservation of globally threatened trees. The aims of the GTSG are: To conserve tree ...
In September 2021, the State of the World’s Trees report was published, providing the first assessment of all of the world’s trees.
The GTSG is one of over 120 IUCN/SSC Specialist Groups and Red List Authorities. The full list can be seen here: Specialist Group Directory.
The group has over 140 expert members from botanic gardens, herbaria, universities and both governmental and non-governmental organisations represented.
The goal is to complete IUCN Red List assessments for all species included in GlobalTreeSearch.
There are now over 45,000 tree assessments on the IUCN Red List.
To inform conservation efforts, GTSG assesses species for the IUCN Red List of Threatened Species.
Learn about GTSG’s work and results in 2023.
Previous reports:
GTSG Annual Report 2022
GTSG Annual Report 2021
GTSG Annual Report 2019
GTSG Annual Report 2018
GTSG Annual Report 2016-2017
Sepilok Forest Reserve Sabah in Malaysia, 2018. Credit: Sara Oldfield.
Koompassia excelsa, taken in Malaysia, 2018. Credit: Sara Oldfield.
Oak Tree. Credit: Sanja Pokrajac.
