Daniel P. Zitterbart
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View article: Seismo-acoustic detection and localization of iceberg collapse in Atka Bay, Antarctica
Seismo-acoustic detection and localization of iceberg collapse in Atka Bay, Antarctica Open
On 12 January 2022, an iceberg collapsed at the edge of frozen Atka Bay, Antarctica. The event generated seismic, hydroacoustic, and atmospheric infrasound waves recorded by a local network comprising land- and ice-based seismometers, an u…
View article: Tracking HPAIV H5 through a geographic survey of Antarctic seabird populations
Tracking HPAIV H5 through a geographic survey of Antarctic seabird populations Open
View article: Polyamines as Predominant Organic Basic Compounds in the Antarctic Peninsula
Polyamines as Predominant Organic Basic Compounds in the Antarctic Peninsula Open
View article: Drone-based infrared thermography to measure the intranasal temperature of baleen whales
Drone-based infrared thermography to measure the intranasal temperature of baleen whales Open
Traditional methods for quantifying the internal temperature of marine mammals require handling live animals, which is not practical for free-swimming baleen whales. Developing a less invasive, more repeatable method would significantly im…
View article: Remote sensing of emperor penguin abundance and breeding success
Remote sensing of emperor penguin abundance and breeding success Open
Emperor penguins ( Aptenodytes forsteri ) are under increasing environmental pressure. Monitoring colony size and population trends of this Antarctic seabird relies primarily on satellite imagery recorded near the end of the breeding seaso…
View article: Highly Pathogenic Avian Influenza A (H5N1) Suspected in penguins and shags on the Antarctic Peninsula and West Antarctic Coast
Highly Pathogenic Avian Influenza A (H5N1) Suspected in penguins and shags on the Antarctic Peninsula and West Antarctic Coast Open
Suspected cases of Highly Pathogenic Avian Influenza (H5N1) were detected in Adélie penguins and Antarctic shags at the southernmost latitude so far in Antarctica, at two breeding sites out of 13 visited, using highly specific PCR assay. T…
View article: Advances in remote sensing of emperor penguins: first multi-year time series documenting trends in the global population
Advances in remote sensing of emperor penguins: first multi-year time series documenting trends in the global population Open
Like many polar animals, emperor penguin populations are challenging to monitor because of the species' life history and remoteness. Consequently, it has been difficult to establish its global status, a subject important to resolve as pola…
View article: Coastal Marine Mammal conservation using thermal imaging-based detection systems
Coastal Marine Mammal conservation using thermal imaging-based detection systems Open
Marine mammal habitats in coastal regions are increasingly threatened as anthropogenic use of these areas increases. Vessel traffic from commercial and pleasure craft leads to increased underwater noise and risk of marine mammal vessel-str…
View article: Remote sensing of emperor penguin abundance and breeding success
Remote sensing of emperor penguin abundance and breeding success Open
Emperor penguins ( Aptenodytes forsteri ) are under increasing environmental pressure. Monitoring colony size and trends of this Antarctic seabird relies primarily on satellite imagery recorded near the end of the breeding season, when ill…
View article: RFIDeep: Unfolding the potential of deep learning for radio‐frequency identification
RFIDeep: Unfolding the potential of deep learning for radio‐frequency identification Open
Automatic monitoring of wildlife is becoming a critical tool in the field of ecology. In particular, Radio‐Frequency IDentification (RFID) is now a widespread technology to assess the phenology, breeding and survival of many species. While…
View article: RFIDeep: Unfolding the Potential of Deep Learning for Radio-Frequency Identification
RFIDeep: Unfolding the Potential of Deep Learning for Radio-Frequency Identification Open
Automatic monitoring of wildlife is becoming a critical tool in the field of ecology. In particular, Radio-Frequency IDentification (RFID) is now a widespread technology to assess the phenology, breeding, and survival of many species. Whil…
View article: Machine-learning-based simultaneous detection and ranging of impulsive baleen whale vocalizations using a single hydrophone
Machine-learning-based simultaneous detection and ranging of impulsive baleen whale vocalizations using a single hydrophone Open
The low-frequency impulsive gunshot vocalizations of baleen whales exhibit dispersive propagation in shallow-water channels which is well-modeled by normal mode theory. Typically, underwater acoustic source range estimation requires multip…
View article: Reviews and syntheses: A framework to observe, understand and project ecosystem response to environmental change in the East Antarctic Southern Ocean
Reviews and syntheses: A framework to observe, understand and project ecosystem response to environmental change in the East Antarctic Southern Ocean Open
Systematic long-term studies on ecosystem dynamics are largely lacking from the East Antarctic Southern Ocean, although it is well recognized that they are indispensable to identify the ecological impacts and risks of environmental change.…
View article: No evidence of microplastic ingestion in emperor penguin chicks (Aptenodytes forsteri) from the Atka Bay colony (Dronning Maud Land, Antarctica)
No evidence of microplastic ingestion in emperor penguin chicks (Aptenodytes forsteri) from the Atka Bay colony (Dronning Maud Land, Antarctica) Open
Microplastic (500 μm using Attenuated Total Reflection Fourier-transform Infrared (ATR-FTIR) spectroscopy. A total of 85 putative particles, mostly in the shape of fibers (65.9 %), were sorted. However, none of the particles were identifie…
View article: Biologging of emperor penguins—Attachment techniques and associated deployment performance
Biologging of emperor penguins—Attachment techniques and associated deployment performance Open
An increasing number of marine animals are equipped with biologgers, to study their physiology, behaviour and ecology, often for conservation purposes. To minimise the impacts of biologgers on the animals’ welfare, the Refinement principle…
View article: Juvenile emperor penguin range calls for extended conservation measures in the Southern Ocean
Juvenile emperor penguin range calls for extended conservation measures in the Southern Ocean Open
To protect the unique and rich biodiversity of the Southern Ocean, conservation measures such as marine protected areas (MPAs) have been implemented. Currently, the establishment of several additional protection zones is being considered b…
View article: Effectiveness of surface-based detection methods for vessel strike mitigation of North Atlantic right whales
Effectiveness of surface-based detection methods for vessel strike mitigation of North Atlantic right whales Open
Increasing commercial and recreational use of the world’s oceans has led to growing concerns about vessel and marine mammal encounters. For endangered species such as the North Atlantic right whale Eubalaena glacialis , reducing the number…
View article: Reviews and syntheses: A framework to observe, understand, and project ecosystem response to environmental change in the East Antarctic Southern Ocean
Reviews and syntheses: A framework to observe, understand, and project ecosystem response to environmental change in the East Antarctic Southern Ocean Open
Systematic long-term studies on ecosystem dynamics are largely lacking for the East Antarctic Southern Ocean, although it is well recognized that such investigations are indispensable to identify the ecological impacts and risks of environ…
View article: Investigating the thermal physiology of Critically Endangered North Atlantic right whales Eubalaena glacialis via aerial infrared thermography
Investigating the thermal physiology of Critically Endangered North Atlantic right whales Eubalaena glacialis via aerial infrared thermography Open
The Critically Endangered status of North Atlantic right whales Eubalaena glacialis (NARWs) warrants the development of new, less invasive technology to monitor the health of individuals. Combined with advancements in remotely piloted airc…
View article: TOSSIT: A low-cost, hand deployable, rope-less and acoustically silent mooring for underwater passive acoustic monitoring
TOSSIT: A low-cost, hand deployable, rope-less and acoustically silent mooring for underwater passive acoustic monitoring Open
View article: TOSSIT: A low-cost, hand deployable, ropeless and acoustically silent mooring for underwater passive acoustic monitoring
TOSSIT: A low-cost, hand deployable, ropeless and acoustically silent mooring for underwater passive acoustic monitoring Open
Passive Acoustic Monitoring (PAM) has been used to study the ocean for decades across several fields to answer biological, geological and meteorological questions such as marine mammal presence, measures of anthropogenic noise in the ocean…
View article: Classification of dispersive gunshot calls using a convolutional neural network
Classification of dispersive gunshot calls using a convolutional neural network Open
A convolutional neural network (CNN) was trained to identify multi-modal gunshots (impulse calls) within large acoustic datasets in shallow-water environments. South Atlantic right whale gunshots were used to train the CNN, and North Pacif…
View article: Effectiveness of surface-based North Atlantic right whale detection methods for vessel strike mitigation
Effectiveness of surface-based North Atlantic right whale detection methods for vessel strike mitigation Open
Increasing commercial and recreational use of the world’s ocean leads to growing concerns on vessel and marine mammal encounters. For endangered species, like the North Atlantic right whale (NARW), vessel strikes can be responsible for the…
View article: Quantifying the causes and consequences of variation in satellite‐derived population indices: a case study of emperor penguins
Quantifying the causes and consequences of variation in satellite‐derived population indices: a case study of emperor penguins Open
Very high‐resolution satellite (VHR) imagery is a promising tool for estimating the abundance of wildlife populations, especially in remote regions where traditional surveys are limited by logistical challenges. Emperor penguins Aptenodyte…
View article: Biologging of emperor penguins – attachment techniques and associated deployment performance
Biologging of emperor penguins – attachment techniques and associated deployment performance Open
An increasing number of marine animals are equipped with biologgers, to study their physiology, behaviour and ecology, often for conservation purposes. To minimise the impacts of biologgers on the animals’ welfare, the Refinement principle…
View article: Low-frequency ocean ambient noise on the Chukchi Shelf in the changing Arctic
Low-frequency ocean ambient noise on the Chukchi Shelf in the changing Arctic Open
This article presents the study of a passive acoustic dataset recorded on the Chukchi Shelf from October 2016 to July 2017 during the Canada Basin Acoustic Propagation Experiment (CANAPE). The study focuses on the low-frequency (250–350 Hz…
View article: Juvenile emperor penguin range calls for extended conservation measures in the Southern Ocean
Juvenile emperor penguin range calls for extended conservation measures in the Southern Ocean Open
To protect the unique Southern Ocean biodiversity, conservation measures like marine protected areas (MPAs) are implemented based on the known habitat distribution of ecologically important species. However, distribution models focus on ad…
View article: Natural dimethyl sulfide gradients would lead marine predators to higher prey biomass
Natural dimethyl sulfide gradients would lead marine predators to higher prey biomass Open
View article: micrObs – A customizable time-lapse camera for ecological studies
micrObs – A customizable time-lapse camera for ecological studies Open
View article: Respiration cycle duration and seawater flux through open blowholes of humpback (<i><scp>Megaptera novaeangliae</scp>)</i>and North Atlantic right (<i><scp>Eubalaena glacialis</scp>)</i>whales
Respiration cycle duration and seawater flux through open blowholes of humpback (<i><span>Megaptera novaeangliae</span>)</i>and North Atlantic right (<i><span>Eubalaena glacialis</span>)</i>whales Open
Little is known about the dynamics of baleen whale respiratory cycles, especially the mechanics and activity of the blowholes and their interaction with seawater. In this study, the duration of complete respiration cycles (expiration/inhal…