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Introduction
Publications
Publications (17)
The stone marten population in Fryslân has been increasing rapidly since 2000. Monitoring the nest success of over 5,500 meadow bird nests, using camera traps, and gps-tracking of stone martens and meadow bird chicks showed that the stone marten can locally be a significant predator of nests and chicks of meadow birds. In 2018, culling of stone mar...
In October 2020, a new lineage of a clade 2.3.4.4b HPAI virus of the H5 subtype emerged in Europe, resulting in the largest global outbreak of HPAI to date, with unprecedented mortality in wild birds and poultry. The virus appears to have become enzootic in birds, continuously yielding novel HPAI virus variants. The recently increased abundance of...
In October 2020, a new lineage of clade 2.3.4.4b HPAI virus of the H5 subtype emerged in Europe, resulting in the largest global outbreak of HPAI to date, with unprecedented mortality in wild birds and poultry. The virus appears to have become enzootic in birds, continuously yielding novel HPAI virus variants. The recently increased abundance of in...
We report how we estimated the number of stone martens Marten foina in the Netherlands and province Fryslan and explored the effects of different culling scenarios on the latter population through modelling.
The paper evaluates a culling experiment of stone martens Martes foina as a management tool for the conservation of ground breeding birds.
Bats undertaking seasonal migration between summer roosts and wintering areas can cross large areas of open sea. Given the known impact of onshore wind turbines on bats, concerns were raised on whether offshore wind farms pose risks to bats. Better comprehension of the phenology and weather conditions of offshore bat migration are considered as res...
Bats regularly migrate over the North Sea, but information on the environmental conditions when this occurs is scarce. Detailed information is urgently needed on the conditions under which bats can be expected offshore, as the number of offshore windfarms that can cause fatalities amongst bats in the North Sea is increasing rapidly. We performed ul...
Several bat species are known to migrate long distances between summer and winter roosts. During migration, many bats even cross
the North Sea. The developments of offshore wind farms in the North Sea could therefore pose a collision risk for migrating bats.
While bats have been observed inside offshore wind farms, their activity at turbine rotor h...
Bats undertaking seasonal migration between summer roosts and wintering areas can cross large areas of open sea. Given the known impact of onshore wind turbines on bats, concerns were raised on whether offshore wind farms pose risks to bats. Better comprehension of the phenology and associated weather conditions of offshore bat migration will provi...
Commercially available automated bat identification software packages are widely used in environmental studies to identify bat species from recordings of bat echolocation calls. Caution is, however, needed if the results are used without further verification, as the programs do not guarantee that the results are correct, and wrong species identific...
Renewable energy is an increasing demand, and governments of North Sea countries are looking at developing offshore wind farms to help meet sustainability demands. The first at-sea wind farms have become operational in several countries, or are under construction, but many more are on the drawing board. Altogether, around 100 offshore wind farms ar...
Vleermuizen in Nederlandse offshore windparken in het najaar van 2012
IMARES report number C026/13 / tFC report number 20120402
Publication date: 13 th February, 2013