Back to profile Contact person for... - ir. GJ (Gerbert) Roerink Product or service Greenmonitor - planning management activities by measuring how fast plants grow Based on 25x25 metre resolution satellite imagery, the Green Index for all of the Netherlands is calculated three times a week. The index literally... News Mice infestation changes South Friesland into prairie landscape 31 juli 2019 | Mice infestation changes South Friesland into prairie landscape - WUR category_news Mice infestation changes South Friesland into prairie landscape... Grasslands up to 37% less green than normal 6 augustus 2018 | We all know it is dry in the Netherlands now. And that because of this, also plants are having a hard time. Groenmonitor.nl from Wageningen... Satellite monitoring drives economic growth 29 januari 2018 | Wageningen Environmental Research (WENR) and Rabobank in the Netherlands have joined forces to develop a digital tool to monitor smallholders' crops.... Publication: Trends in Spring Phenology of Western European Deciduous Forests 25 november 2013 | The article of Eliakim Hamunyela, Jan Verbesselt, Gerbert Roerink and Martin Herold: Trends in Spring Phenology of Western European Deciduous Forests,...