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1679 zoekresultaten
Zoekresultaten
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Veluwe grassland plant collection
This is a systematic collection of eight plant species from five grassland sites in the Veluwe, for which some tissue from individual plants is stored at -80 °C. For each site, up to 10 individuals from each species have been sampled along a transect at two time points (late May and early August).
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Bacterial collection
NIOO has a collection of thousands of bacterial strains isolated from different (semi-)natural and agricultural environments. Most are bacteria isolated from soils, rhizosphere or plant parts, but aquatic strains are present as well.
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Passerine behavioural testing facility
The Passerine testing facility offers a unique oportunity to house and measure passerine birds for an array of behavioural tests in a controlled environment.
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Soil ecotron
The ecotron consists of 60 cilinders with intact (non-disturbed) sand, peat or sea clay cores (20 each). For each soil treatment, ten of the cilinders are inoculated with soil from species-rich grassland with the same soil type. The other ten are inoculated with sterile soil from the same grassland. The cilinders are buried in an experimental garden.
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Aqua-flex Arena: Outdoor mesocosms
The Aqua-flex Arena is a fenced terrain (2500 m2; 80 x 32m) for performing outdoor mesoscosm experiments throughout the year, in the immediate promixity of the NIOO Aquatic Laboratories. Experiments can be performed with > 100 experimental units. There is great flexibility in the spatial set up of experimental units.
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CLUE field Veluwe + database
Since 1995, we run a series of biodiversity experiments on a former agricultural field in the nature area Planken-Wambuis near Ede. In some plots, secondary succession has followed its natural course, In other plots, a low or high diversity of plants was sown, or the soil has been inoculated with soil from nature areas.
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NutNet Planken-Wambuis
Two of the most pervasive human impacts on ecosystems are alteration of global nutrient budgets and changes in the abundance and identity of consumers. In spite of the global impacts of these human activities, there have been no globally coordinated experiments to quantify the general impacts on ecological systems. The Nutrient Network (NutNet) is a grassroots, global research effort to address these questions within a coordinated research network comprised of more than 130 grassland sites worldwide.
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Land van Ons - Warmond
The foundation 'Land van Ons' has obtained a peat meadow area near Leiden to increase biodiversity in this intensively used agricultural area. The goal is not to recreate nature, but to develop sustainable agricultural use of this land with the goal of increasing biodiversity in the area and developing management strategies that optimise its ecological, economic and recreational value.
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Coping with a changing world: the consequences of rapid evolutionary adaptation to combinations of multiple stressors
Rapid evolutionary adaptation is increasingly considered as an important mechanism allowing animals to adapt to a rapidly changing world. Our research has shown that rotifers, a type of very common freshwater zooplankton, are able to adapt to poor food quality or enhanced salt concentrations in not more than a few months. At this moment, we investigate how rotifers cope with combinations of stressors. More specifically, we run evolution experiments in the laboratory exposing populations to the metal Cu and high temperatures, with the aim to study how adaptation to one stressor impedes or enhances the response to the other stressor. -
How do soil micro-organisms affect the chances of woodland expansions during water pulses?
Woodland expansion in arid environments occurs episodically during wet years. Recent research indicates that tree seedling growth rate and survival is crucial to explain the differences across ecosystems and that soil microorganisms likely play a crucial role.