Jochen Dierschke
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View article: First records in north-west Europe of two Common Chiffchaff Phylloscopus collybita taxa from the Middle East and the Caucasus
First records in north-west Europe of two Common Chiffchaff Phylloscopus collybita taxa from the Middle East and the Caucasus Open
Six subspecies of Common Chiffchaff Phylloscopus collybita are usually recognised, of which three are known to occur in north-west Europe: P. c. collybita, P. c. abietinus and P. c. tristis. Based on a newly developed mitochondrial DNA seq…
View article: Analysis of ticks (Acari: Ixodida) and associated microorganisms collected on the North Sea Island of Heligoland
Analysis of ticks (Acari: Ixodida) and associated microorganisms collected on the North Sea Island of Heligoland Open
Heligoland is an island located in the North Sea, where vegetation was almost destroyed as a result of heavy bombardment during and after the Second World War. However, over the past 70 years, the vegetation has developed from scrub toward…
View article: Past and future effects of climate on the metapopulation dynamics of a Northeast Atlantic seabird across two centuries
Past and future effects of climate on the metapopulation dynamics of a Northeast Atlantic seabird across two centuries Open
Forecasting population responses to rapidly changing marine ecosystems requires mechanistic models integrating complex demographic processes, fitted to long time series, across large spatial scales. We used a Bayesian metapopulation model …
View article: Migratory pathways and winter destinations of Northern Gannets breeding at Helgoland (North Sea): known patterns and increasing importance of the Baltic Sea
Migratory pathways and winter destinations of Northern Gannets breeding at Helgoland (North Sea): known patterns and increasing importance of the Baltic Sea Open
We analysed the migratory behaviour of adult Northern Gannets ( Morus bassanus ) breeding at Helgoland in the North Sea, based on data obtained from geolocation devices in the non-breeding season 2016–2017. Birds moved east and south-west …
View article: Metapopulation regulation acts at multiple spatial scales: Insights from a century of seabird colony census data
Metapopulation regulation acts at multiple spatial scales: Insights from a century of seabird colony census data Open
Density‐dependent feedback is recognized as important regulatory mechanisms of population size. Considering the spatial scales over which such feedback operates has advanced our theoretical understanding of metapopulation dynamics. Yet, me…
View article: Northern gannets (Morus bassanus) are strongly affected by operating offshore wind farms during the breeding season
Northern gannets (Morus bassanus) are strongly affected by operating offshore wind farms during the breeding season Open
Northern gannets (Morus bassanus) have been ranked as one of the most vulnerable species in terms of collision with offshore wind farm (OWF) turbines, and strong avoidance of OWFs has been documented for this species. Gannets increasingly …
View article: Peer Review #2 of "Age-dependent differences in iris colouration of passerines during autumn migration in Central Europe (v0.1)"
Peer Review #2 of "Age-dependent differences in iris colouration of passerines during autumn migration in Central Europe (v0.1)" Open
Avian eye colour is a subject of various research, but many aspects are still insufficiently understood.Here we studied whether sex, age, species and body condition are related to the iris colour in common migratory passerines during their…
View article: Bird collisions at an offshore platform in the North Sea
Bird collisions at an offshore platform in the North Sea Open
Capsule Collisions with offshore structures in the North Sea could account for the mortality of hundreds of thousands of nocturnally migrating birds. Aims To assess, for the first time, the circumstances of mass fatalities at an offshore s…