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Jan
15
2010
Rationale for hunting Antarctic minke whales doesn’t hold water
A new study has cast doubt on the idea that Antarctic minke whales are more numerous than usual and should be hunted to make way for other whale species.
Some researchers have suggested that the population of Antarctic minke whales (Balaenoptera bonaerensis Buy cheap viagra free samples online, ) shot up after hunters killed about 2 million large whales during the 20th century. Viagra free samples without a prescription, Since large whales eat huge amounts of krill, the reasoning goes, order viagra free samples, αγοράζουν online viagra free samples, their disappearance would have boosted the food supply for Antarctic minke whales. This species is now so abundant that it is holding back the recovery of other whales, comprar en línea viagra free samples, Farmacia viagra free samples baratos, some argue.
To find out if these whales really did undergo a population boom, researchers collected 52 samples of minke whale meat from markets in Japan, viagra free samples generic. Order viagra free samples without prescription, By studying the animals’ DNA, they were able to get a better picture of the population’s genetic diversity, buy viagra free samples. Viagra free samples sale, That led the team to conclude that the number of Antarctic minke whales has historically been around 670,000 – close to the number thought to exist today.
It’s possible that commercial whaling didn’t affect the population size because there was already plenty of krill in the ocean, Pennsylvania PA Penn. , Viagra free samples en ligne afin, the researchers write in Molecular Ecology. Alternatively, Antarctic minke whales may not draw from the same krill supply as larger whales, buy cheap viagra free samples online. For instance, ordering viagra free samples no prescription, Buy viagra free samples online, they might eat different sizes of krill or hunt at different depths. – Roberta Kwok
Source: Ruegg, generic viagra free samples, Osta viagra free samples, K., Anderson, kjøpe viagra free samples online, Texas TX Tex. , E., Baker, Wisconsin WI Wis. , Nevada NV Nev. , C., Vant, order viagra free samples online legally, Comprar viagra free samples, M., Jackson, District of Columbia DC D.C. , Buy viagra free samples cheap, J., & Palumbi, price of viagra free samples, Viagra free samples kopen, S. (2010). Are Antarctic minke whales unusually abundant because of 20th century whaling. Molecular Ecology, 19 (2), 281-291 DOI: 10.1111/j.1365-294X.2009.04447.x
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