Results 91 to 100 of about 25,335 (235)

High Arctic “hotspots” for sperm whales (Physeter macrocephalus) off western and northern Svalbard, Norway, revealed by multi-year Passive Acoustic Monitoring (PAM)

open access: yesScientific Reports
Despite the well-documented, broad global distribution of sperm whales (Physeter macrocephalus), their distributional patterns remain poorly known in Arctic regions, where year-round monitoring is challenging. Adult male sperm whales are known to migrate
Viivi Pöyhönen   +4 more
doaj   +1 more source

Vertebral bone microarchitecture and osteocyte characteristics of three toothed whale species with varying diving behaviour

open access: yesScientific Reports, 2017
Although vertebral bone microarchitecture has been studied in various tetrapods, limited quantitative data are available on the structural and compositional changes of vertebrae in marine mammals. Whales exhibit exceptional swimming and diving behaviour,
Tim Rolvien   +7 more
doaj   +1 more source

No evidence for recovery in the population of sperm whale bulls off Western Australia, 30 years post-whaling

open access: yesEndangered Species Research, 2014
The global sperm whale Physeter macrocephalus population has been protected from large-scale commercial whaling for >25 yr, yet there is no clear evidence of recovery in any heavily exploited stock.
G Carroll   +4 more
doaj   +1 more source

Genomic and structural investigation on dolphin morbillivirus (DMV) in Mediterranean fin whales (Balaenoptera physalus). [PDF]

open access: yes, 2017
Dolphin morbillivirus (DMV) has been deemed as one of the most relevant threats for fin whales (Balaenoptera physalus) being responsible for a mortality outbreak in the Mediterranean Sea in the last years.
Beffagna, Giorgia   +4 more
core   +1 more source

Click-click, who’s there? Acoustically derived estimates of sperm whale size distribution off western Ireland

open access: yesFrontiers in Marine Science
Understanding the structure of populations is a critical element to the establishment of management and conservation measures. Sperm whales Physeter macrocephalus are characterised by a demographic spatial segregation, associated with a conspicuous ...
Cynthia Barile   +3 more
doaj   +1 more source

Distribution and relative abundance of large whales in a former whaling ground off eastern South America

open access: yesZoologia (Curitiba), 2010
Ship-based sighting surveys for cetaceans were conducted in the former whaling ground off the northeastern coast of Brazil. The cruises took place in winter and spring of 1998-2001 with the objectives of investigating current distribution and abundance ...
Artur Andriolo   +7 more
doaj   +1 more source

Estimates of Marine Mammal, Sea Turtle, and Seabird Mortality in the California Drift Gillnet Fishery for Swordfish and Thresher Shark, 1996–2002 [PDF]

open access: yes, 2004
Estimates of incidental marine mammal, sea turtle, and seabird mortality in the California drift gillnet fishery for broadbill swordfish, Xiphias gladius, and common thresher shark, Alopias vulpinus, are summarized for the 7-year period, 1996 to 2002 ...
Caretta, James V.   +3 more
core  

Marine mammals of Easter Island (Rapa Nui) and Salas y Gómez Island (Motu Motiro Hiva), Chile: a review and new records

open access: yesLatin American Journal of Aquatic Research, 2014
The Chilean oceanic islands Easter Island (Rapa Nui) and Salas y Gómez Island (Motu Motiro Hiva) have received little attention with regards to basic marine mammal investigations.
Rodrigo Hucke-Gaete   +3 more
doaj   +1 more source

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