Explanipedia

Large‐Scale Passive Acoustic Monitoring Data Shows Seasonal and Diel Diversity in Foraging Behaviour of Harbour Porpoises Within Their Distributional Range in the Northeast Atlantic Open

Jasmine Stavenow, Julie Béesau, Julia Carlström, Mark Jessopp, Ailbhe S. Kavanagh , et al. · 2025

Latitudinal gradient can influence ecosystem dynamics and species distribution, yet the influence on some aspects, such as intra‐species diversity, is less well understood. The large‐scale distribution of harbour porpoises ( Phocoena phoco…

Historical Range Contraction and Extent of Harbour Porpoises (Phocoena phocoena) in the Baltic Sea Revealed by Archival Newspapers Open

Magie Aiken, Pia Eriksson, Carl Chr. Kinze, Julia Carlström · 2025

Spatial models of cetacean density in European Atlantic waters based on SCANS-IV summer 2022 survey data Open

Anita Gilles, Matthieu Authier, Rémi Pigeault, Natividad Ramírez Ramírez, V Benoit , et al. · 2025

The 4th iteration of large-scale line-transect surveys of cetaceans in European Atlantic waters (SCANS) was conducted in the summer of 2022. SCANS-IV covered a 1.7 million km2 study area stretching from the Strait of Gibraltar to southern …

Rerouting of a major shipping lane through important harbour porpoise habitat caused no detectable change in annual occurrence or foraging patterns Open

Kylie Owen, Julia Carlström, Pia Eriksson, Mathias H. Andersson, Robin Nordström , et al. · 2024

A negative trend in abundance and an exceeded mortality limit call for conservation action for the Vulnerable Belt Sea harbour porpoise population Open

Kylie Owen, Anita Gilles, Matthieu Authier, Julia Carlström, Mathieu Genu , et al. · 2024

The management and conservation of biodiversity relies on information on both the abundance of species and the potential impact of threats. Globally, one of the largest threats towards marine biodiversity is bycatch in fisheries. Under the…

Experiences from applying a generic framework for the monitoring and evaluation of spatially managed areas in nine case studies in EU sea basins Open

Lene Buhl‐Mortensen, Ibon Galparsoro, Tomás Vega Fernández, Kate Johnson, Julia Carlström , et al. · 2024

No abstracts are to be cited without prior reference to the author. A generic framework developed within the EU project MESMA was tested in nine areas (cases) that differ in spatial scales, spatial management plans, and include a variety o…

Micro-scale spatial preference and temporal cyclicity linked to foraging in harbour porpoises Open

Johanna Stedt, Magnus Wahlberg, Julia Carlström, P. Anders Nilsson, Mats Amundin , et al. · 2023

Habitat heterogeneity is a crucial driver for species distribution across scales. Harbour porpoise Phocoena phocoena basin-wide distribution is linked to prey availability, and small-scale (kilometres to tens of kilometres) differences in …

Effects of rerouting shipping lanes in Kattegat on the underwater soundscape:Report to the Danish Environmental Protection Agency on EMFF project TANGO Open

Jakob Tougaard, Emily T. Griffiths, Michael Ladegaard, Charlotte R. Findlay, Mel Cosentino , et al. · 2023

Estimates of cetacean abundance in European Atlantic waters in summer 2022 from the SCANS-IV aerial and shipboard surveys Open

Anita Gilles, Matthieu Authier, M Ramirez-Martinez, NC Araujo, Hannah Blanchard , et al. · 2023

Harbour porpoise detection and buzz positive minutes before and after the rerouting of a major shipping lane in Kattegatt (TANGO) Open

Kylie Owen, Julia Carlström, Pia Eriksson, Signe Sveegaard, Emily T. Griffiths · 2023

Passive acoustic data stretching from a year before to a year after the relocation of a major shipping lane in Kattegat (2020-07-01). 15 stations were distributed in four transects (NW, SW, NE, SE) near (1–5) the original or relocated ship…

HOLAS-III harbour porpoise importance map:Methodology Open

Signe Sveegaard, Ida Carlén, Julia Carlström, Michael Dähne, Anita Gilles , et al. · 2022

Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (<i>Phocoena phocoena</i>) population using passive acoustic monitoring Open

Mats Amundin, Julia Carlström, Len Thomas, Ida Carlén, Jens C. Koblitz , et al. · 2022

Knowing the abundance of a population is a crucial component to assess its conservation status and develop effective conservation plans. For most cetaceans, abundance estimation is difficult given their cryptic and mobile nature, especiall…

Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring Open

Mats Amundin, Julia Carlström, Len Thomas, Ida Carlén, Jens C. Koblitz , et al. · 2021

Knowing the abundance of a population is a crucial component to assess its conservation status and develop effective conservation plans. For most cetaceans, abundance estimation is difficult given their cryptic and mobile nature, especiall…

An increase in detection rates of the critically endangered Baltic Proper harbor porpoise in Swedish waters in recent years Open

Kylie Owen, Martin Sköld, Julia Carlström · 2021

The Baltic Proper harbor porpoise ( Phocoena phocoena ) is currently listed as critically endangered (CR), with the Static Acoustic Monitoring of the Baltic Sea Harbor Porpoise (SAMBAH) project concluding that only ~500 individuals remain.…

MiniSCANS-II: Aerial survey for harbour porpoises in the western Baltic Sea, Belt Sea, the Sound and Kattegat in 2020 Open

Bianca Unger, Dominik Nachtsheim, Nancy Piñeros Martínez, Ursula Siebert, Signe Sveegaard , et al. · 2021

Working Group on Marine Mammal Ecology Open

Anders Galatius, Anita Gilles, Markus Ahola, Matthieu Authier, Steven Benjamins , et al. · 2021

The Working Group on Marine Mammal Ecology met in 2021 to address new information on marine mammal ecology relevant to management.ssessments. Two terms of references were standing ToRs; under the first of these, ToR A, new and updated info…

Working Group on Marine Mammal Ecology Open

Anders Galatius, Anita Gilles, Markus Ahola, Matthieu Authier, Sophie Brasseur , et al. · 2020

Two terms of references were standing ToRs; under the first of these, ToR A, new and updated information on seal and cetacean population abundance, population/stock structure, manage-ment frameworks as well as anthropogenic threats to indi…

Working Group on Bycatch of Protected Species (WGBYC) Open

Mikel Basterretxea, Sara Bonanomi, Kim Magnus Bærum, Julia Carlström, Bram Couperus , et al. · 2019

Six Terms of Reference (ToRs; Annex 2) were addressed during the meeting through plenary and subgroups. The 2019 report is structured in the same order as the ToRs. Contributions to ToRs were requested in advance of the meeting and all dat…

Working Group on Marine Mammal Ecology (WGMME) Open

Anita Gilles, Anders Galatius, Markus Aloha, Matthieu Authier, Sophie Brasseur , et al. · 2019

The Working Group on Marine Mammal Ecology (WGMME) met in February 2019. Two terms of reference (ToR) were standing ToR; under the first of these, ToR A, new and updated information on seal and cetacean population abundance, population/sto…

SAMBAH – Static Acoustic Monitoring of the Baltic Sea Harbour Porpoise: Monthly oceanographic variables Open

Julia Carlström, Mats Amundin, Len Thomas, Jakob Tougaard, Jonas Teilmann , et al. · 2018

SAMBAH targeted the Baltic Sea population of harbour porpoise (Phocoena phocoena). This population is small and has been drastically reduced during the last decades. The species is listed in Annexes II and IV of the EC Habitats Directive a…

BALHAB : Project report to ASCOBANS for the project “Baltic Sea Harbourporpoise foraging habitats (BALHAB)“ Open

Line Anker Kyhn, Ida Carlén, Julia Carlström, Jakob Tougaard · 2018

BALHAB : Project report to ASCOBANS for the project “Baltic Sea Harbourporpoise foraging habitats (BALHAB)“

Comparing Distribution of Harbour Porpoises (Phocoena phocoena) Derived from Satellite Telemetry and Passive Acoustic Monitoring Open

Lonnie Mikkelsen, Frank F. Rigét, Line Anker Kyhn, Signe Sveegaard, Runé Dietz , et al. · 2016

Cetacean monitoring is essential in determining the status of a population. Different monitoring methods should reflect the real trends in abundance and patterns in distribution, and results should therefore ideally be independent of the s…

Comparing Distribution Of Harbour Porpoises (Phocoena Phocoena) Derived From Satellite Telemetry And Passive Acoustic Monitoring Open

Lonnie Mikkelsen, Frank F. Rigét, Line Anker Kyhn, Signe Sveegaard, Runé Dietz , et al. · 2016

Data used for publication in Plos One. Two excel files. The satellite_filtered_data is the filtered satellite positions used for MaxEnt modelling in R. The CPOD_data_PPH is the raw C-POD data expressed here as porpoises positive hours (PPH…

ASCOBANS Recovery Plan for Baltic Harbour Porpoises : Jastarnia Plan (2016 Revision) Open

Julia Carlström · 2016

This is the ASCOBANS species action plan for what is called Baltic harbour porpoise population primarily inhabiting the Baltic Proper. The population’s abundance has recently been estimated at only 497 individuals (95% CI 80 –1091) and it …

BIAS Implementation Plan – Monitoring and assessment guidance for continuous low frequency sound in the Baltic Sea. Open

Anna Nikolopoulos, Peter Sigray, Mathias H. Andersson, Julia Carlström, Emilia Lalander · 2016

The BIAS Implementation Plan describes a regional programme for monitoring underwater ambient noise in the Baltic Sea. The programme combined measurements and modelling and was successfully implemented in 2012-2016 within the EU LIFE+ proj…

Julia Carlström YOU? Author Swipe