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Nutrient Network (NutNet)
Vertebrate herbivores and nutrient deposition have a strong impact on the biodiversity and functioning of grasslands worldwide. Both factors have been changing rapidly over the last decades due to exctinction of herbivores, restoration of herbivore communities (e.g., rewilding) and enhanced nutrient inputs in natural grasslands via agriculture and fossil fuel combustion. In a global network of experiments we quantify how these changse impact on plant, soil and insect biodiversity, the cycling of nutrients and other functions in grassland ecosystems (https://nutnet.org/). At the NIOO, we coordinate the Dutch NutNet site, which is situated on the Veluwe.
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Learning from nature– towards sustainable crop production using soil fungi
The aim of this research project is to investigate how management of agricultural soils can be modified to profit from beneficial soil fungi in terms of increased carbon sequestration and enhanced crop yield.
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Hole-breeding passerines monitoring: Liesbos
Liesbos is one of four areas in NIOO-AnE's long-term monitoring research on great tits and other bird species that started in 1955. It consists of a large forest area of about 100 ha of deciduous trees, mainly oak, on rich sandy-loam soil.
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Hole-breeding passerines monitoring: Oosterhout
Oosterhout is the last of four areas in NIOO-AnE's long-term monitoring research on great tits and other bird species. Research there started in 1956, one year after the other three areas. It consists of deciduous forest of mainly oak trees on a country estate of about 8 ha, and has a rich clay-sandy-loam soil. Oosterhout has around 150 nestboxes.
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Hole-breeding passerines monitoring: Vlieland
Vlieland is one of four areas in NIOO-AnE's long-term monitoring research on great tits and other bird species that started in 1955. It consists of several smaller forest areas, which together cover about 250 ha of mainly conifers and oak on poor sandy soil. As Vlieland is an island in the Wadden Sea, the area stands completely on its own. Important population questions in NIOO's long term research are/were studied here.
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Hole-breeding passerines monitoring: Hoge Veluwe
Hoge Veluwe is one of four areas in NIOO-AnE's long-term monitoring research on great tits and other bird species that started in 1955. It consists of a large forest area of more than 350 ha of mainly conifers and oak on poor sandy soil. This area is part of the largest forest complex in the Netherlands, De Veluwe. Every breeding season, many students and researchers are involved in doing field work at Hoge Veluwe.
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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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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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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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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.