Article

The generaI concept of designing biological databases from modular applications is presented and exemplified by DeltaAccess, a database subsystem for descriptive information in taxonomy. DeltaAceess makes DELTA, the "Deseription Language for Taxonomy", aeeessible to the world of relational databases and to modem graphical user interfaces. The advantages of DELTA compatible database applieations are outlined in comparison with conventional DELTA prograrns. Using a database for managing descriptive information opens exciting new perspectives for local as well as intemational collaborative projects. Specific database features important for sue h projects (like subproject views, summarizing data, and data replication) are discussed in more detail. The subject is relevant to anyone planning large-scale projects involving taxonomy, interactive identification, or checklist data in botany or zoology.