Results 11 to 20 of about 11,303 (341)

The Impact of Whaling on the Ocean Carbon Cycle: Why Bigger Was Better

open access: goldPLoS ONE, 2010
BackgroundHumans have reduced the abundance of many large marine vertebrates, including whales, large fish, and sharks, to only a small percentage of their pre-exploitation levels.
Andrew J Pershing, Nicholas R Record
exaly   +5 more sources

Whale Stocks and Whaling [PDF]

open access: bronzeNature, 1946
Norsk Hvalfangst-Tidende, now in its thirty-fourth year, is the official organ of the Norwegian Whaling Association. It is a current history of whaling and publishes information on all branches of the subject.
J. E. HAMILTON
openaire   +2 more sources

Effective population size and the genetic consequences of commercial whaling on the humpback whales (Megaptera novaeangliae) from Southwestern Atlantic Ocean

open access: yesGenetics and Molecular Biology, 2018
Genotypes of 10 microsatellite loci of 420 humpback whales from the Southwestern Atlantic Ocean population were used to estimate for the first time its contemporary effective (Ne) and census (Nc) population sizes and to test the genetic effect of ...
Ana Lúcia Cypriano-Souza   +3 more
doaj   +2 more sources

Encountering whales: How encounter rates became the basis for managing whaling

open access: diamondNAMMCO Scientific Publications, 2009
Declining rates of encountering whales, including both sighting and catching, were noted by whalers throughout the 19th century, and these declines became the first indication that whaling was adversely affecting whale abundance.
Tim D Smith
doaj   +3 more sources

Collecting whales: processes and biases in Nordic museum collections [PDF]

open access: yesPeerJ
Whales are unique museum objects that have entered collections in many ways and for different reasons. This work studies three Nordic natural history museum collections in Norway and Denmark with more than 2,500 whale specimens in total, and gathers the ...
Lene Liebe Delsett
doaj   +3 more sources

Japan's rejection of international norms against whaling [PDF]

open access: yesE3S Web of Conferences, 2021
This research is intended to explain the reasons for Japan's rejection of the anti-whaling norms. To investigate this, a qualitative approach was used with document-based data methods, both primary and secondary.
Imawan Riswanda   +2 more
doaj   +1 more source

Distribution of North Pacific right whales (Eubalaena japonica) as shown by 19th and 20th century whaling catch and sighting records

open access: yesJ. Cetacean Res. Manage., 2023
North Pacific right whales (Eubalaena japonica) were extensively exploited in the 19th century, and their recovery was further retarded (severely so in the eastern population) by illegal Soviet catches in the 20th century, primarily in the 1960s. Monthly
P. Clapham   +3 more
semanticscholar   +1 more source

History of whaling in Trinidad and Tobago

open access: yesJ. Cetacean Res. Manage., 2023
Shore whaling for humpback whales (Megaptera novaeangliae) in Trinidad represents a largely overlooked aspect of North Atlantic whaling history. Literature and archival sources were searched for information on the chronology, nature and extent of this ...
R. Reeves   +4 more
semanticscholar   +1 more source

Long-term stability in the circumpolar foraging range of a Southern Ocean predator between the eras of whaling and rapid climate change

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2023
Significance Assessing change in Southern Ocean ecosystems is challenging due to its remoteness. Large-scale datasets that allow comparison between present-day conditions and those prior to large-scale ecosystem disturbances caused by humans (e.g ...
Solène Derville   +35 more
semanticscholar   +1 more source

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