Investigators of freshwater ecosystems inevitably are faced with various microphytes. It is generally accepted that algal species (among which phytoplankters) are important indicators of water quality. In particular desmids (a group of green algae) are excellent indicators of environmental conditions such as pH, conductivity and trophic state of a water body. 

In addition to that, because of their preferential occurrence in vulnerable habitats, desmids lend themselves well to figuring i...

The twenty-first century has witnessed a fundamental reform of food law in the European Union, to the point where modern EU food law has now come of age. This 'EU Food Law Handbook' presents the most significant elements of these legal developments with contributions from a highly qualified international team of academics and practitioners. Their analysis is based on a shared vision of the structure and content of EU food law. The book takes the perspective of food law embedded within general...

Ontdek de fascinerende geschiedenis en adembenemende schoonheid van de Drents-Friese Grensstreek met deze uitgebreide landschapsbiografie. Verken de prachtige natuurreservaten van het Drents-Friese Wold, het Dwingelderveld en het Holtingerveld, en laat je meevoeren door de verhalen die deze landschappen te vertellen hebben.

De Drents-Friese Grensstreek is een gebied doordrenkt van geschiedenis, gevormd door eeuwen van menselijke activiteit en de wisselwerking met de natuur. Deze landschapsbio...