Deutsche Version


Information System


Ehrenberg Collection

Molecular and Ecological Data of Diatoms

Molecular and Morphological Data of Cultures

Aero-Terrestrial Greens and Bluegreens

Diatom Names by Lange-Bertalot et al.




AlgaTerra Information System

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An information system for terrestrial algal biodiversity:
a synthesis of taxonomic, molecular and ecological information


Microscopic algae have been recognized as useful tools in global change research, e.g. for monitoring water quality by indicating trophic status, acidification, and salinization, for reconstruction of paleoclimates through sediments, and for the assessment of biodiversity of diverse ecosystems. The taxonomy and in particular the nomenclature used to record these observations is often ambiguous, leading to inconsistency in the data sets published by different researchers that need to be calibrated and synthesized for global studies.

Objectives of the joint project

To build a comprehensive information system including a database on terrestrial micro-algae, integrating taxon, type, name and collection data as well as ecological and molecular information. For three years five teams have been  joined in this task. The completed AlgaTerra System is available on the Internet (World Wide Web) since 2004.

The pilot phase of the AlgaTerra information system ended in February 2005.

Joint Project Coordinator:
Dr. Regine Jahn
Botanic Garden und Botanical Museum Berlin-Dahlem, Free University Berlin
Königin-Luise-Str. 6-8, D-14195 Berlin
Phone: +49 (0) 30 838-50142, Fax: +49 (0) 30 841729-42

This page last updated on 29 June 2005

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