Mar Mam Sci (2014)
Abstract currently unavailable
High frequency components of ship noise in shallow water with a discussion of implications for harbor porpoises (Phocoena phocoena)
Hermannsen, Line; Beedholm, Kristian; Tougaard, Jakob; Madsen, Peter T.
The Journal of the Acoustical Society of America (2014)
Growing ship traffic worldwide has led to increased vessel noise with possible negative impacts on marine life. Most research has focused on low frequency components of ship noise, but for…
Acoustic evidence that harbor porpoises (Phocoena phocoena) avoid bottlenose dolphins (Tursiops truncatus)
Jacobson, Eiren K.; Forney, Karin A.; Harvey, James T.
Mar Mam Sci (2014)
(...) In the present study, we investigated whether this documented conflict between bottlenose dolphins and harbor porpoises in California affected harbor porpoise behavior within the nearshore environment where habitat overlap…
Effect of series of 1 to 2 kHz and 6 to 7 kHz up-sweeps and down-sweeps on the behavior of a harbor porpoise (Phocoena phocoena)
Kastelein, Ronald; Schop, Jessica; Gransier, Robin; Steen, Nele; Jennings, Nancy
Aquatic Mammals (2014)
To compare the effect of naval sonar up-sweeps and down-sweeps on the behavior of harbor porpoises, a harbor porpoise in a large pool was exposed to simulated low- and mid-frequency…
Do man-made structures and water depth affect the diel rhythms in click recordings of harbor porpoises (Phocoena phocoena)?
Brandt, Miriam J.; Hansen, Sophie; Diederichs, Ansgar; Nehls, Georg
Mar Mam Sci (2014)
The construction of industrial offshore structures may lead to colonization by a variety of marine organisms resulting in locally enhanced biodiversity and biomass, which may then affect the habitat use…
Variation in harbour porpoise activity in response to seismic survey noise
Pirotta, E.; Brookes, K. L.; Graham, I. M.; Thompson, P. M.
Biology Letters (2014)
Animals exposed to anthropogenic disturbance make trade-offs between perceived risk and the cost of leaving disturbed areas. Impact assessments tend to focus on overt behavioural responses leading to displacement, but…
Studying the biosonar of bats and porpoises using multi receiver arrays
Koblitz, Jens C.
Doctoral Thesis - Eberhard Karls Universität Tübingen (2014)
Echolocation, the main sensory modality of odontocetes and microbats, has mostly been studied using single receivers. Such a recording setup is sufficient to study signal parameters like pulse interval, inter…
The diel rhythms of biosonar behavior in the Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) in the port of the Yangtze River: The correlation between prey availability and boat traffic
Wang, Zhitao; Akamatsu, Tomonari; Wang, Kexiong; Wang, Ding
PLoS ONE (2014)
Information on the habitat use of the critically endangered Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) is critical for its conservation. The diel biosonar behavior of the porpoise in the port…
Homosexual and masturbating behaviors in a group of captive Yangtze finless porpoises (Neophocaena asiaeorientalis asiaeorientalis)
ZHANG, Changqun; ZHENG, Yang; PLATTO, Sara; HAO, Yujiang; WANG, Ding
Acta Theriologica Sinica (2015)
Similar to terrestrial mammals, male-female sexual behavior is significant for the survival and continuation of certain cetacean species. However, non-reproductive mating behaviors, i.e. homosexual behaviors and masturbation, are widespread in…
Behavioral responses of a Harbor porpoise (Phocoena phocoena) to 25-kHz FM sonar signals
Kastelein, Ronald A.; van den Belt, Ivanka; Helder-Hoek, Lean; Gransier, Robin; Johansson, Torbjörn
Aquatic Mammals (2015)
The effects of three sonar sound types (peak frequency ca. 25 kHz with high-frequency side bands at 71 and 121 kHz) on the behavior of a harbor porpoise (Phocoena phocoena)…