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Desmids of the Lowlands

Mesotaeniaceae and Desmidiaceae of the European Lowlands

Peter F.M. Coesel and Koos J. Meesters

Algal species and in particular desmids are important indicators of water quality. Because of their preferential occurrence in vulnerable habitats, desmids lend themselves well to figuring in conservation studies.
The present flora describes all desmid taxa known from the Netherlands and adjacent lowland areas: over 500 species and more than 150 additional varieties. Because of the predominantly cosmopolitan nature of most species the flora may also be of use outside this geographic region.
The enclosed CD-ROM offers general information on desmid biology as well as a selection of species that are discussed in more detail. Ecological data, both on separate species and desmid communities, enable a characterization of the habitat sampled.
Volume 1: Desmids of the Lowlands - Mesotaeniaceae and Desmidiaceae of the European Lowlands
Volume 2: European Flora of the desmid genera Staurastrum and Staurodesmus

Europe's Living Landscapes

Essays Exploring Our Identity in the Countryside

Edited by Bas Pedroli, Anne van Doorn and Geert de Blust

This book is the result of three symposia of the Dutch Society for Landscape Ecology. The first symposium in 2005 was about the National Ecological Network in the Netherlands . The reason was that the implementation of the NEN, decided upon in 1990, was halfway. The second symposium, in 2006, was about urban ecology and the third one, to be held in 2007, will be about civil infrastructure. This book does not cover the conferences completely and new contributions are added.

The three themes are important contexts in which landscape ecologists do their research and apply their knowledge and skills. Of course, there are many more subjects to hold conferences about, for example climate change, urbanisation, agriculture, landscape ecology itself etc.
The focus of the conferences is on the Netherlands, with its urbanisation, intensive land use and water management as characteristic features. Although many WLO members do their work abroad or in an international context, these conferences offer a window on what happens in the Dutch context. The experiences may be of value for other contexts and that is why we present the results in English.

The selected themes and the focus on the Dutch context are serious demarcations of what landscape ecology in the Netherlands is all about. The book does not represent all research and applications of landscape ecology.

European Flora of the Desmid Genera Staurastrum and Staurodesmus

Identification Key for Desmidiaceae - Morphology - Ecology and Distribution - Taxonomy

Peter F.M. Coesel and Koos J. Meesters

This flora represents the European species of het desmid genera Staurastrum and Staurodesmus and contains reliable identification keys and general information on the morphology, taxonomy, ecology and geographical distribution. An invaluable tool for aquatic ecologists and water quality management.
The desmid genera Staurastrum and Staurodesmus are notorious for their confusing taxonomy and problematic species identification. To a large part this is due to a lack of reliable identification manuals. The present flora, dealing with the European species of these genera, aims to meet this need. As well as general information on the morphology and taxonomy of the genera, identification keys to the species are provided. The discussion of each species includes morphological characteristics, ecology and geographical distribution (also beyond Europe).
As compared to other desmid genera, a large part of the Staurastrum and Staurodesmus species have a euplanktonic way of life. Reliable identification and knowledge of their ecological demands is most important for the assessment of water quality. Many species have a confined geographical distribution, even within Europe. Shifting distribution patterns of those species might be linked to climate change.
Volume 1: Desmids of the Lowlands - Mesotaeniaceae and Desmidiaceae of the European Lowlands
Volume 2: European Flora of the desmid genera Staurastrum and Staurodesmus