Volker Dierschke
vdierschke.bsky.social
Volker Dierschke
@vdierschke.bsky.social
Seabird researcher (linked to DDA); enthusiastic birdwatcher
#Seabirds at risk: Common Guillemots concentrate for moulting where wind farms are planned in the German North Sea: see latest aerial suveys by #DDA in September 2025: www.dda-web.de/downloads/ma...
November 16, 2025 at 6:56 PM
Reposted by Volker Dierschke
Needing to model impacts on seabird populations in Northwest Europe?

Not sure where to find useful values for demographic variables?

Look no further! In this new paper, we provide model-derived values for age-specific survival of 25 species.

besjournals.onlinelibrary.wiley.com/doi/10.1002/...
Demography of marine birds in the Northeast Atlantic: Informed parameter values for population modelling
We developed matrix population models for 54 regional populations of 25 marine bird species in the north-east Atlantic, based on 30 years of monitoring data. In Step 1, we parameterised the models wi...
besjournals.onlinelibrary.wiley.com
November 14, 2025 at 10:23 AM
Reposted by Volker Dierschke
Wie geht es den Vögeln in Deutschland? Welche Arten nehmen zu, welche verschwinden?

Der neue Bericht „Vögel in Deutschland – Bestandssituation 2025“ stellt die Bestandsveränderungen von in Deutschland brütenden und rastenden Vogelarten vor.

Hier kostenlos lesen: www.dda-web.de/downloads/pu...
October 30, 2025 at 10:32 AM
Reposted by Volker Dierschke
International bedeutendes Vorkommen von Gelbschnabeltauchern im Bereich der Doggerbank entdeckt

www.dda-web.de/aktuelles/me...

Es deutet sich an, dass hier ein wichtiges Frühjahrs-Rastgebiet vor dem Zug in das sibirische Brutgebiet entdeckt wurde.

Foto des Tauchers: L. Ehmke
May 28, 2025 at 1:35 PM
Reposted by Volker Dierschke
A female Western Gull was recorded riding 150km in a garbage truck from San Francisco to a compost facility in Central CA, probably to forage. TWICE. An innovator, an icon, a genius.

This is one of my favorite @waterbirdsociety.bsky.social papers I've ever handled as managing editor #ornithology
June 3, 2025 at 8:24 AM
DDA #Seabird Monitoring Team discovered spring staging of White-billed Divers at Dogger Bank - 13 birds (and another 5 large divers) in late April 2025: www.dda-web.de/aktuelles/me...
May 28, 2025 at 1:59 PM
Reposted by Volker Dierschke
🌊 Gefahr für unsere Meere: Der neue #FEP nimmt massive Lebensraumverluste geschützter Arten wie Trottellummen in Kauf, um Offshore-Windparks zu bauen. Das verstößt gegen Naturschutzrecht! Es braucht eine neue marine Raumordnung, die Schutz & Nutzung in Einklang bringt. 👉 www.nabu.de/natur-und-la...
February 7, 2025 at 12:26 PM
Longevity in #seabirds: nearly 25-year-old Herring Gull Green AH75 (ringed as a chick on #Helgoland in July 2000) was spotted by Bernhard near Cuxhaven, Germany. Same place as in January 2024 and February 2023, but before it was last seen in 2004 (hidden for almost 19 years).
January 26, 2025 at 3:42 PM
Reposted by Volker Dierschke
Now online in Journal of #ornithology

OPEN ACCESS

Urban life of an elusive species: population trends, movement patterns, foraging habitats, and prospecting in Mediterranean Gulls (Ichthyaetus melanocephalus) breeding in Hamburg, northern Germany

link.springer.com/article/10.1...
Urban life of an elusive species: population trends, movement patterns, foraging habitats, and prospecting in Mediterranean Gulls (Ichthyaetus melanocephalus) breeding in Hamburg, northern Germany - J...
The lower River Elbe, including Hamburg, is part of a distribution hotspot for Mediterranean Gulls in northwest Europe. We studied local population trends and foraging behaviours of 13 adult Mediterra...
link.springer.com
January 13, 2025 at 11:40 AM
Interesting #seabird: new telemetry study about #Medgull foraging flights and prospecting behaviour in urban colonies in and around Hamburg: link.springer.com/article/10.1...
January 7, 2025 at 9:08 AM
Old #seabird: More than 21 years after hatching in Hamburg: #Medgull male green AKJC recorded the 10th winter at Ciboure, SW France (6 January). In between seen in one of the three Hamburg breeding colonies in 11 years.
January 7, 2025 at 9:01 AM
Reposted by Volker Dierschke
Das Wunder von Paris illustriert: Noch 2017 herrschte dicke Luft. Heute nur noch auf den größten Straßen. Der Grund: Hunderte Km neue Radwege, Tempo 30, der Wegfall zehntausender Parkplätze und die Sperrung des Zentrums für den Durchgangsverkehr. Wann finden wir in 🇩🇪 den Mut es Paris gleichzutun?
December 19, 2024 at 9:36 AM
Happy to have contributed to a study that shows that wind farms jeopardize the conservation targets of a Marine Protected Area in the German North Sea. #loons www.sciencedirect.com/science/arti...
December 12, 2024 at 9:26 AM
Reposted by Volker Dierschke
Die CDU plant offenbar, die deutsche Wärmepumpenindustrie zu schreddern. Künftig kommen dann #Wärmepumpen wie Solarzellen nur noch aus China. Bis dahin importieren wir Flüssiggas von Donald Trump. So soll Deutschland also zukunftsfähig werden?
www.focus.de/earth/report...
Spahn tritt vor Wärmepumpen-Branche auf - und sorgt mit Rede für Entsetzen
Bei einer Veranstaltung der Wärmepumpen-Branche bekräftigt Unions-Fraktionsvize Jens Spahn, dass seine Partei das Heizgesetz zurücknehmen und die Heizungsförderung stark reduzieren will. Statt allein ...
www.focus.de
November 29, 2024 at 4:05 PM
June 12, 2024 at 11:27 AM
Reposted by Volker Dierschke
Sogar Seevogel-Hotspots sind bedroht! #DDA zeigt, wie sich der #Offshore-Ausbau in der deutschen Nordsee auf Seevögel auswirkt. Fazit: Die 🚦 will mit WindSeeG an falscher Stelle beschleunigen. Umweltstandards müssen erhalten bleiben! Das verlangt auch die EU mit REDIII: www.nabu.de/natur-und-la...
June 4, 2024 at 3:32 PM
June 4, 2024 at 12:46 PM
Reposted by Volker Dierschke
🚨 EU Commission challenges UK sandeel fishery closures 🚨
This is a direct threat to our struggling seabirds.

Sandeels should end up in Puffling beaks, not be hoovered up for livestock.

We're calling on the UK Government to stand firm. The closures must remain!
April 19, 2024 at 11:30 AM
Reposted by Volker Dierschke
Offshore wind energy development is needed to balance the #ClimateCrisis - but it is a threat to biodiversity, including #seabirds. New maps are now available that show seabird #vulnerability in Norwegian waters, produced with SEAPOP data and by Norwegian Institute for Nature Research
March 13, 2024 at 9:43 AM
Large-scale expansion of offshore wind farms is causing large-scale habitat loss for #seabirds in the North Sea, here the guillemot. Important study from Kiel University as a warning signal for the marine environment : link.springer.com/article/10.1...
February 10, 2024 at 11:57 AM