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Happy Arbor Day to those of you that have already celebrated in the southern states! Did you know the date of Arbor Day varies by state and country. Celebrating Arbor Day is a wonderful way to bring together your visitors, community, school or neighborhood to raise awareness of the importance of trees. Arbor Day, a holiday to plant and celebrate trees, was founded in 1872 by J. Sterling Morton, father of The Morton Arboretum founder, Joy Morton. For some great ideas for how to celebrate Arbor Day, click here.
Exciting news from BGCI! There is now an answer to the question "How many tree species exist in the world?" Their new study is hot off the press, and coincides with the release of their new database GlobalTreeSearch. See below for more details.
ArbNet is now in its 6th year. It is expanding accreditations into more countries and serving a wider audience. In an effort to effectively meet the needs of our ArbNet arboretum community, we are asking for your input. Please take a few minutes to complete a brief survey for us.
ArbNet will be an exhibitor at the upcoming American Public Gardens Association conference June 19- 23 in Hamilton & Niagara, Ontario, Canada. Hope to see you there!
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The United States Capitol Grounds in Washington, D.C. was recently accredited at Level II. The grounds were designed by Frederick Law Olmsted (1822-1903) and include 890 trees surrounding the immediate Capitol Building on Capitol Square. There are more than 4,300 trees throughout the entire 274-acre Capitol Grounds. |
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BGCI announces the launch of two new resources
GlobalTreeSearch: the first and only comprehensive list of tree species
There is now an answer to the question ‘how many tree species exist in the world?’ Based on more than two years of research, working with its partner botanical institutions across the world, and consulting more than 500 published references, the answer is 60,065. In a recently published paper, BGCI reports that over 10,000 tree species are threatened with extinction. The list, which is made publicly available through the GlobalTreeSearch database, provides the essential starting point for knowing how rich our tree flora is and where the diversity hotspots are, enabling researchers, land managers, and policymakers to prioritize conservation action.
ThreatSearch: the most comprehensive database of conservation assessments of plants.
BGCI has gathered into one database over 242,000 conservation assessments, representing over 150,000 plant taxa. Use this resource to find out if a plant of interest has ever been evaluated using global, national, or regional threat assessment platforms. This database can also help prioritize collections development and conservation strategies for your arboretum.
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