Results 121 to 130 of about 7,925 (202)

Age determination and age related factors in the teeth of Western North Atlantic bottlenose dolphins. [PDF]

open access: yes, 1980
Teeth were taken from 120 bottlenose dolphins, Tursiops truncatus, which had stranded on the mid-Atlantic coast of the United States. The number of annual growth layer groups (GLGs) for each animal was used to construct a growth curve. The growth rate of
Hohn, Aleta A.
core  

Volume 6 - November 19, 1992 [PDF]

open access: yes, 1992
What on Earth was a short-run student publication by the Providence College Environmental and Wildlife Club. (Volume 6 - November 19, 1992 - 6 pages total.

core   +1 more source

Using passive acoustics to identify a quiet winter foraging refuge for an endangered beluga whale population in Alaska

open access: yesFrontiers in Marine Science
Cook Inlet beluga (CIB), Delphinapterus leucas, have not recovered from subsistence overharvest despite conservation efforts initiated in 2000. Reasons for this lack of recovery are still unclear with anthropogenic noise identified as a high threat in ...
Manuel Castellote   +10 more
doaj   +1 more source

Charles M. Breder, Jr.: Atlantis Expedition, 1934 [PDF]

open access: yes, 2004
Dr. Charles M. Breder participated on the 1934 expedition of the Atlantis from Woods Hole, Massachusetts to Panama and back and kept a field diary of daily activities. The Atlantis expedition of 1934, led by Prof. A. E.
Cantillo, A. Y.   +3 more
core  

Regular Presence of Harbor Porpoises in the Northern Alborán Sea

open access: yesMarine Mammal Science
ABSTRACTThe harbor porpoise (Phocoena phocoena) in the Atlantic waters of Spain and Portugal are a genetically differentiated population from the rest of the North Atlantic. They are rarely seen on the southern Atlantic coast of Spain and are thought to be extinct in the Mediterranean Sea, with scattered sightings and strandings recorded along the ...
Blakeman, Samantha   +5 more
openaire   +3 more sources

Resilience of harbor porpoises to anthropogenic disturbance: Must they really feed continuously? [PDF]

open access: yesMarine Mammal Science, 2017
Hoekendijk, Jeroen   +4 more
openaire   +1 more source

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