Nele Markones
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View article: Large‐scale depth‐related seasonal distribution patterns of a benthic‐feeding sea duck in two contrasting marine systems
Large‐scale depth‐related seasonal distribution patterns of a benthic‐feeding sea duck in two contrasting marine systems Open
Moulting and overwintering Common Scoter Melanitta nigra aggregate in largely undisturbed, shallow‐water marine areas, preying upon sessile benthic organisms (mainly bivalves), which do not reproduce during this period of exploitation. Ass…
View article: Loss or redistribution? A better way of estimating regional changes in animal distribution and numbers caused by increased human activities
Loss or redistribution? A better way of estimating regional changes in animal distribution and numbers caused by increased human activities Open
A differentiated understanding of how regional human activities affect the spatial distribution and numbers of animals within specific areas of interest is of great ecological importance. Estimating these effects from empirical data is cha…
View article: Cumulative effects of offshore wind farms on common guillemots (Uria aalge) in the southern North Sea - climate versus biodiversity?
Cumulative effects of offshore wind farms on common guillemots (Uria aalge) in the southern North Sea - climate versus biodiversity? Open
Governments are under increasing pressure to reduce greenhouse gas emissions, and large-scale wind farms are being developed in marine environments worldwide. However, top predators are strongly affected by environmental change and anthrop…
View article: Large-scale effects of offshore wind farms on seabirds of high conservation concern
Large-scale effects of offshore wind farms on seabirds of high conservation concern Open
The North Sea is a key area worldwide for the installation of offshore wind farms (OWFs). We analysed data from multiple sources to quantify the effects of OWFs on seabirds from the family Gaviidae (loons) in the German North Sea. The dist…
View article: An Integrated Framework to Estimate Seabird Population Numbers and Trends
An Integrated Framework to Estimate Seabird Population Numbers and Trends Open
Generating trend and population estimates from bird count data is challenging and a variety of factors have to be taken into account. We present an integrative statistical approach for estimating population numbers and trends for seabirds …
View article: Inventory report on the possibility to update the ESAS database for the North Sea
Inventory report on the possibility to update the ESAS database for the North Sea Open
This inventory report presents the results of the questionnaire set up to identify the existing 'seabirds at sea' (SAS) programmes collected in the OSPAR and HELCOM areas.For each country and SAS programme, we discuss the specific content …
View article: Effects of offshore windfarms on seabird abundance: Strong effects in spring and in the breeding season
Effects of offshore windfarms on seabird abundance: Strong effects in spring and in the breeding season Open
The increasing development of offshore wind farms (OWFs) worldwide leads to possible conflicts with the ecological requirements of top predators that largely depend on offshore areas. Seabird species exhibit different behavioural reactions…
View article: Joint OSPAR HELCOM ICES Working Group on Seabirds (JWGBIRD; outputs from 2019 meeting)
Joint OSPAR HELCOM ICES Working Group on Seabirds (JWGBIRD; outputs from 2019 meeting) Open
The objectives of the Joint ICES/OSPAR/HELCOM Working Group on Seabirds 2019 meeting were to develop and implement indicators for seabirds under the Marine Strategy Framework Directive (MSFD), as well as to review and discuss seabird-relat…
View article: An invasive alien bivalve apparently provides a novel food source for moulting and wintering benthic feeding sea ducks
An invasive alien bivalve apparently provides a novel food source for moulting and wintering benthic feeding sea ducks Open
Since its introduction from North America in the 1970s, the American razor clam Ensis leei (M. Huber, 2015) has successfully spread throughout North Sea coasts from Spain to Norway and the United Kingdom to the western Baltic. We investiga…
View article: Distribution maps of cetacean and seabird populations in the North‐East Atlantic
Distribution maps of cetacean and seabird populations in the North‐East Atlantic Open
Distribution maps of cetaceans and seabirds at basin and monthly scales are needed for conservation and marine management. These are usually created from standardized and systematic aerial and vessel surveys, with recorded animal densities…
View article: A Ship Traffic Disturbance Vulnerability Index for Northwest European Seabirds as a Tool for Marine Spatial Planning
A Ship Traffic Disturbance Vulnerability Index for Northwest European Seabirds as a Tool for Marine Spatial Planning Open
Ship traffic in Northwestern European seas is intense and continuing to increase, posing a threat to vulnerable seabird species as a result of disturbance. However, information on species-specific effects of ship traffic on seabirds at sea…