1. The Guiana Shield Challenge
Thousands of tree species
Complex multi-national contexts
Little information sharing (language)

2. Workshop Objectives Improving knowledge sharing on tree species ID in Guiana Shield
Generate a clear overview of existing resources and capacities
Identify knowledge gaps and suggest tools and activities for improvement
Create network to share knowledge and expore future collaboration

3. Draft List of Tree Species of the Guianas and Amapá
(Scientific Names
& Local Names)

4. Steps Request Lists - from national institutions in the Guiana Shield
Gather Information - international institutions/experts
Harmonize National Lists
Produce Draft Regional Tree List

5. Collected Tree Lists Life form Total number of records
Total number of common names
Unique records?
Amapa
n.a.
French Guiana
Trees > 10 cm
1,688
1,460
Yes
Suriname
Trees
714
Guyana
All plants
11,102
954 No

6. Challenges with lists available from national institutions
No information for Amapá
+/- Complete tree checklist available for French Guiana only
 Additional information requested from other institutions / experts

7. Lists from other institutions/experts: Flora do Brazil – dataset request
Resulting table:
1173 trees
447 have vernacular names
Uncertain which names specific to Amapa

8. Smithsonian Institution Database Total # Duplicates? Vernacular names?
Suriname
1085
yes no
Guyana
2995 No
Smithsonian
Institution
Database

9. Lists from other institutions/experts: Naturalis Biodiversity Center - NHN
Suriname Data - Blumea
“Index of vernacular plant names of Suriname”
Vernacular plant names in the different local languages
Received as pdf, further prepared as excel file
If lists like this exists for the other countries?

10. Tool used to prepare comparable lists: Taxonomic Plant Resolution Network
All names were converted to the “accepted name” with the accepted family and accepted authors using TNRS:
Only records with an accepted name are maintained

11. Preparation - final list of Amapá
Taxonomic Name Resolution Service
Tree list with 1173 trees found in Amapa
Final List Amapa:
1080 trees
- 429 vernacular names
64 duplicates were removed
Trees with no “accepted name” were removed

12. Preparation - final list of French Guiana
Taxonomic Name Resolution Service
Tree list with 1688 trees found in French Guiana
Correction of spelling errors
Removal of duplicates
Retaining trees with “accepted name”
Final List French Guiana:
1511 trees
vernacular names

13. Preparation - final list of Suriname
Tree list Suriname
Taxonomic Name Resolution Service
Tree Checklist SI
List Blumea
Final tree list for Suriname:
1385 tree species
1100 with vernacular names
+ vernacular names
Tree list Suriname

14. Preparation of the final list of Guyana
Plant list Guyana
Taxonomic Name Resolution Service
Checklist SI
Cleaned up tree check list SI: removal of 307 records only to genus level
Final tree list for Guyana
(first draft)
tree species
415 with vernacular names
+ vernacular names

15. Preparation of the final list
Final List Amapa
Final List French Guiana
First draft Tree list for the Guiana Shield
Final tree list for Suriname
Unified per accepted name
Final tree list for Guyana

16. Draft Guiana Shield List
Life form
Total number of records
Amapa
Trees
1080
French Guiana
Trees > 10 cm dbh
1511
Suriname
1385
Guyana
1773
Total number
2803

17. Shared species

18. Vernacular names

19. Diversity of plant families
Family
Amapa
French Guiana
Guyana
Suriname
Total
Fabaceae
144
214
202
182
742
Rubiaceae 47 59
147 95
348
Melastomataceae 63 65
120 86
334
Lauraceae 84 69 72
284
Myrtaceae 42 78 93 71
Chrysobalanaceae 56 79 62
283
Annonaceae 46 73 57
245
Sapotaceae 91 50
238
Moraceae 29 49 37 39
154
Euphorbiaceae 38 40 41 32
151
Clusiaceae 19 28 60
Amapa
French Guiana
Guyana
Suriname
Total
# families 81 86
105 93
111

20. One common name, many Latin names, missing common names

21. Questions/Issues Definition of a tree Quality / standardization of
common names
-Quality / standardization of
scientific names…

22. Thank You Merci Obrigado Bedankt Gracias Gaan tangi fyi Bruce Hoffman
Amazon Conservation Team