- Marine animal studies overview
- Marine and fisheries research
- Maritime Navigation and Safety
- Underwater Acoustics Research
- Ichthyology and Marine Biology
- Arctic and Antarctic ice dynamics
- Underwater Vehicles and Communication Systems
- Marine Bivalve and Aquaculture Studies
- Coastal and Marine Management
- Avian ecology and behavior
- Coral and Marine Ecosystems Studies
- Emotional Intelligence and Performance
- Education, sociology, and vocational training
- Arctic and Russian Policy Studies
- Environmental Conservation and Management
- Virology and Viral Diseases
- Offshore Engineering and Technologies
- Identification and Quantification in Food
- Animal Behavior and Reproduction
- Wildlife Ecology and Conservation
- Microplastics and Plastic Pollution
- Turtle Biology and Conservation
- Maritime and Coastal Archaeology
- Cephalopods and Marine Biology
- Isotope Analysis in Ecology
Wageningen University & Research
2013-2023
Royal Netherlands Institute for Sea Research
2021-2023
UCLouvain
2014-2022
Ecosystem (Spain)
2010-2019
University of Namur
2010-2014
University of Antwerp
2005
Netherlands Institute of Ecology
1996
Emotional Competence (EC), which refers to individual differences in the identification, understanding, expression, regulation and use of one’s own emotions those others, has been found be an important predictor individuals’ adaptation their environment. Higher EC is associated with greater happiness, better mental physical health, more satisfying social marital relationships occupational success. While it well-known that (as a whole) predicts number outcomes, unclear so far specific...
The number of offshore wind farms is increasing rapidly, leading to questions about the environmental impact such farms. In Netherlands, an extensive monitoring programme being executed at first farm (Offshore Windfarm Egmond aan Zee, OWEZ). This letter compiles short-term (two years) results on a large faunal groups obtained so far. Impacts were expected from new hard substratum, moving rotor blades, possible underwater noise and exclusion fisheries. indicate no effects benthos in sandy...
The rapid increase in development of offshore wind energy European waters has raised concern for the possible environmental impacts farms. We studied whether harbour porpoise occurrence been affected by presence Dutch farm Egmond aan Zee. This was done studying acoustic activity porpoises and two reference areas using stationary monitoring (with T-PODs) prior to construction (baseline: June 2003 2004) during normal operation (operation: April 2007 2009). results show a strong seasonal...
Summary If animals moved randomly in space, the use of different habitats would be proportional to their availability. Hence, deviations from proportionality between and availability are considered tell‐tale sign preference. This principle forms basis for most habitat selection species distribution models fitted use‐availability or count data (e.g. MaxEnt Resource Selection Functions). Yet, once an essential type is sufficiently abundant meet individual's needs, increased this may lead a...
The conservation and management of marine ecosystems hinge on a comprehensive understanding the status trends top predators. This review delves into ecological significance predators, examining their roles in maintaining ecosystem stability functioning through an integrated analysis current scientific literature. We first assess efficacy various monitoring methods, ranging from traditional field observations to cutting-edge technologies like satellite tracking environmental DNA (eDNA)...
Perfluorinated acids (PFAs) are today widely distributed in the environment, even remote arctic areas.Recently, perfluorooctane sulfonate (PFOS) has been identified marine mammals all over world, but information on compound-specific tissue distribution remains scarce.Furthermore, although longer perfluorinated carboxylic (PFCAs) used industry and were shown to cause severe toxic effects, still little is known potential sources or their widespread distribution.In this study, we report for...
Abstract Gray seals were first observed breeding in the Dutch Wadden Sea 1985, after centuries of absence. The colony there is now largest on European continent. We describe changes gray seal numbers and their geographical expansion, estimate how these processes influenced by immigration from other colonies. Counts hauled out animals carried between 1985 2013, monitoring three different periods seals' annual cycle. Using priors determined for UK population, a Bayesian demographic model was...
Abstract Historic hunting has led to severe reductions of many marine mammal species across the globe. After ceased, some populations have recovered pre‐exploitation levels and may regained their prominent position as top predator in ecosystems. Also, harbor seal population international Wadden Sea grew at an exponential rate following a ban on 1960s, current number ~38,000 is close historic size. Here we estimate impact predation fish community nearby coastal waters. Fish remains fecal...
Between February 2021 and April 2022, a female walrus (Odobenus rosmarus rosmarus) was observed multiple times along the North Sea Norwegian coasts. Scat samples from were collected on two occasions when it visited Dutch Wadden between September November 2021. It assumed that fed locally, so to determine animal’s diet, scat analyzed using molecular methods. In both scats, only Atlantic razor (jackknife) clam (Ensis leei, M. Huber, 1843), mollusk species invasive region, found; this had...
The grey seal was a common species along mainland Europe during the Stone Age (8,000-5,500 BC). Along North Sea coast populations started to decline substantially 11th century as result of excessive hunting. last breeding disappeared in 16th Wadden Sea, and before 1900 Kattegat-Skagerrak Southwestern Baltic an extermination campaign. No regular pupping occurred until end 1970s, when colony established near Amrum German Sea. Somewhat later, additional sites were discovered Terschelling Dutch...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 513:277-281 (2014) - DOI: https://doi.org/10.3354/meps11004 NOTE Detection of grey seal Halichoerus grypus DNA in attack wounds on stranded harbour porpoises Phocoena phocoena Judith D. L. van Bleijswijk1,*, Lineke Begeman2, Harry J. Witte1, Lonneke IJsseldijk2, Sophie M. Brasseur3, Andrea Gröne2, Mardik F....
Terrestrial and marine wildlife populations have been severely reduced by hunting, fishing habitat destruction, especially in the last centuries. Although management regulations led to recovery of some populations, underlying processes are not always well understood. This study uses a 40-year time series counts harbour seals (Phoca vitulina) Wadden Sea these processes, demonstrates influence historical regional differences regimes on this population. While is considered one ecologically...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 557:261-275 (2016) - DOI: https://doi.org/10.3354/meps11829 Harbour porpoise movement strategy affects cumulative number of animals acoustically exposed underwater explosions Geert Aarts1,2,*, Alexander M. von Benda-Beckmann3, Klaus Lucke1,4, H. Özkan Sertlek5, Rob van Bemmelen1, Steve C. V. Geelhoed1, Sophie...
The annual reproductive cycle of most seal species is characterized by a tight synchrony births. Typically, timing birth shows little inter-annual variation. Here, however we show that harbour seals Phoca vitulina from the Wadden Sea (southeast North Sea) have shortened their yearly cycle, moving parturition to earlier dates since early 1970s. Between 1974 and 2009, date shifted on average -0.71 d yr⁻¹, three half weeks (25 days) earlier, in Dutch part Sea. Pup counts available for other...
In the spring and summer 2014, an outbreak of seal influenza A(H10N7) virus infection occurred among harbor seals (Phoca vitulina) off coasts Sweden Denmark. This subsequently spread to Germany Netherlands. While thousands were reported dead in Sweden, Denmark Germany, only a limited number found To determine extent exposure Netherlands A/H10N7 virus, we measured specific antibody titers serum samples from live-captured admitted for rehabilitation by use hemagglutination inhibition assay...
Abstract In the United Kingdom (UK), several harbour seal ( Phoca vitulina ) populations have been declining over past decade. order to understand effect of these changes in abundance, this study seeks determine population structure seals UK, and Scotland particular, on a wider finer spatial scale than has previously reported. Harbour were genotyped from 18 different localities throughout UK neighbouring mainland Europe, at 12 microsatellite loci. Results Bayesian frequency based tests...
Abstract Many ecological studies rely on count data and involve manual counting of objects interest, which is time-consuming especially disadvantageous when time in the field or lab limited. However, an increasing number works uses digital imagery, opens opportunities to automatise tasks. In this study, we use machine learning automate interest without need label individual objects. By leveraging already existing image-level annotations, approach can also give value historical that were...
AbstractCentral place foragers often segregate in space, even without signs of direct agonistic interactions. Using parsimonious individual-based simulations, we show that for species with spatial cognitive abilities, individual-level memory resource availability can be sufficient to cause segregation the foraging ranges colonial animals. The shapes distributions are governed by commuting costs, emerging distribution depleted resources, and fidelity their colonies. When colony is weak easily...