Sentences with phrase «humpback whale populations»

The first comprehensive genetic study of humpback whale populations in the North Pacific Ocean has identified five distinct populations — at the same time a proposal to designate North Pacific humpbacks as a single «distinct population segment» is being considered under the Endangered Species Act.

About 60 percent of the North Pacific humpback whale population migrates to Hawaiian waters where they mate, give birth to and nurse their young.

Each winter, the East Australian humpback whale population migrate north from the Antarctic waters, along the eastern coastline of Australia to mate and give birth in the warmer waters of North Queensland.

«Five distinct humpback whale populations identified in North Pacific.»

The SPLASH program has used photo identification records to estimate humpback whale populations.

The research results build on previous regional studies of genetic diversity and will help scientists to better understand how humpback whale populations evolve over time and how to best advise international management authorities.

The samples were then analyzed with a technique called polymerase chain reaction (PCR), used to amplify specific nuclear «microsatellites» for statistically measuring gene flow between the different populations and subpopulations located in the western South Atlantic (Breeding Stock A) and the eastern South Atlantic and Indian Ocean populations (Breeding Stocks B and C, and the Arabian Sea humpback whale population, respectively).

According to the revised listings, all but four of humpback whale populations globally are recovering.

The East African humpback whale population is growing, so we might see more shark attacks in future, Dicken's paper suggests.

This new research comes less than two months after the U.S. Fish and Wildlife Service proposed removing most humpback whale populations, including those off the coasts of Australia, from the endangered species list.

Every year at the start of Fall more than 60 % of the North Pacific Humpback Whale population will begin their migration from Alaska to Hawaii, with many of them choosing to stay in the waters off of Maui during their visit.

The study will also help inform ongoing conservation reassessments of humpback whale populations, and reaffirms the highly distinct nature of a small, non-migratory population of humpback whales living in the Arabian Sea in need on continued protection.

«After 50 years of international protection, a number of humpback whale populations are beginning to recover in the Southern Hemisphere and other regions,» said Dr. Howard Rosenbaum of WCS's Ocean Giants Program.

A massive genetic study of humpback whale populations will help inform ongoing conservation reassessments of humpback whale populations, and reaffirms the highly distinct nature of a small, non-migratory population of humpback whales living in the Arabian Sea in need on continued protection.

For us, it might seem to be just natural — but it wasn't always this way: in 1966, the North Pacific Humpback Whale population was believed to be approximately 1,400.

We are fortunate to be in an area that has seen a dramatic recovery in a Humpback Whale population that was previously decimated by whaling.

Thanks to the Endangered Species Act, the humpback whale population has grown in the last 20 years from 6,000 whales in the North Pacific Ocean, with 4,000 coming to Hawaii, to more than 21,000 whales existing today with approximately 10,000 traveling to Hawaii each year.

Although they are currently listed as «least concern» species under the Nature Conservation Act, the humpback whale population is gradually increasing each year.

Andrew Wilson, a researcher at ESO Whale and Dolphin Research Group with his company Five Oceans, gave a very informative presentation about Oman's Humpback Whale population.

There is a lot of schooling fish and krill in the waters of Johnstone Strait and Blackfish Sound which is allowing the humpback whale population a chance to feed and fatten up for their winter migrations to Hawaii and Mexico.

«It is great news that many of the humpback whale populations have been reclassified as no longer being on the endangered list,» Braithwaite said, «but yes, our research indicates that there are other threats to migrating humpback whales that are much more subtle than directly killing whales.»

According to COSEWIC, although the North Pacific Humpback Whale population is no longer considered to the «threatened», it «continues to face several threats including noise disturbance, habitat degradation (especially on the breeding grounds), entanglement in fishing gear or debris, and ship strikes.»