You can find more information resources in the list of Reference Works, e.g.
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DBIS (Datenbank-Infosystem) provides information on more than 9000 scientific databases, 3300 of which are freely accessible. Databases can be searched by keyword, research area, geographic area and type of database. This service is only available in German.
Databases
Forest Science Database OPEN DATABASE
The Forest Science Database database supplies bibliographic information and abstracts for all aspects of agroforestry, forestry, tree biology, land use and wood science. Climate change effects, deforestation, forest logging and urban forestry are also covered key areas.
