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Investigating the Potential Use of Environmental DNA (eDNA) for Genetic Monitoring of Marine Mammals
To determine the potential use of eDNA for genetic monitoring, specific primers that amplify short mitochondrial DNA sequences were used to detect the presence of a marine mammal, the harbor porpoise, in a controlled environment and in natural marine locations. Expand
Ultra-High Foraging Rates of Harbor Porpoises Make Them Vulnerable to Anthropogenic Disturbance
It is reported that porpoises forage nearly continuously day and night, attempting to capture up to 550 small fish prey per hour with a remarkable prey capture success rate of >90%, which means that they must forage almost continually to meet their metabolic demands with such small prey, leaving little margin for compensation. Expand
High density areas for harbour porpoises in Danish waters
Designating protected areas for harbour porpoises implies identifying areas of high harbour porpoise density with particular focus on the distribution in the breeding season. The aim of this reportExpand
Seasonal habitat-based density models for a marine top predator, the harbor porpoise, in a dynamic environment
Effective species conservation and management requires information on species distribution patterns, which is challenging for highly mobile and cryptic species that may be subject to multipleExpand
High-density areas for harbor porpoises (Phocoena phocoena) identified by satellite tracking
The population status of harbor porpoises has been of concern for several years, and the establishment of Marine Protected Areas (MPAs) has been suggested as a method to protect the harbor porpoiseExpand
Defining management units for cetaceans by combining genetics, morphology, acoustics and satellite tracking
Abstract Managing animal units is essential in biological conservation and requires spatial and temporal identification of such units. Since even neighbouring populations often have differentExpand
Correlation between the seasonal distribution of harbour porpoises and their prey in the Sound, Baltic Sea
Prey availability and predictability are suggested as the main drivers for harbour porpoise distribution, and this could be caused by the formation of frontal zones in spring in the northern part of the Sound, leading to prey concentrations in predictable areas. Expand
Abundance of harbour porpoises (Phocoena phocoena) in the western Baltic, Belt Seas and Kattegat
Until proper population borders are obtained, the abundance estimate provides baseline data for future monitoring and is an important input to the assessment of the conservation status of harbour porpoises in the area. Expand
Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking
Sveegaard, S., Teilmann, J., Berggren, P., Mouritsen, K. N., Gillespie, D., and Tougaard, J. 2011. Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking. –Expand