Sentences with phrase «blue whale population»

O Research Question = How has whaling impacted the blue whale population?

With the blue whale population in Antarctica down to 300 today from 125,000 a century ago, many representatives from anti-whaling countries say they distrust any whaling operation.

The blue whale population is estimated to be around 14,000.

In the subsequent Marine Mammal Science paper just out, the catches were among the key pieces of information used to model the size of the California blue whale population over time — a model previously used by other groups to estimate populations of hundreds of fish and various other whale species.

If we hadn't, the population might have been pushed to near extinction — an unfortunate fate suffered by other blue whale populations.»

It was not until the 1990's that people realized Humpback and Blue Whale populations were moving up and down California coast at other times of the year (summer season).

The recovery of ENP blue whales from whaling demonstrates the ability of blue whale populations to rebuild under careful management.

In the post, Monnahan stresses the big questions that remain about the more heavily hunted blue whale populations in the western North Pacific.

Blue whale populations had already been destroyed.

Not exact matches

Japan claims that the current population of around 761,000 Antarctic minkes (Balaenoptera bonaerensis) is so abnormally abundant that it is hindering the recovery of other large endangered species, such as the blue whale.

«Understanding the context under which blue whales make calls is a critical step in developing non-invasive, non-lethal acoustic methods to study population trends and recovery status of this endangered species,» Širovi?

From an initial population of roughly 250 000 blue whales, there remain no more than 2250 and possibly as few as 225 of them in the Southern Ocean; the best estimate is around 700.

Seeking to establish links between populations of blue whales in the Gulf of Corcovado and other regions, the researchers examined DNA collected from the skin of blue whales with biopsy darts fired from crossbows across the eastern South Pacific.

«We think the California population has reached the capacity of what the system can take as far as blue whales,» Branch said.

32 Northwest mollusks 404 Southeast aquatic, riparian, and wetland species Acuna cactus Amargosa toad American pika (federal) American, Taylor, Yosemite, Gray - headed, White Mountains and Mt. Whitney pika (California) Andrew's dune scarab beetle Ashy storm - petrel Atlantic bluefin tuna Bearded seal Black abalone Blumer's dock Bocaccio (central / southern population) Cactus ferruginous pygmy owl California spotted owl California tiger salamander (federal) California tiger salamander (California) Canelo Hills ladies» tresses Casey's June beetle Cherry Point Pacific herring Chiricahua leopard frog Colorado River cutthroat trout Cook Inlet beluga whale (1999) Cook Inlet beluga whale (2006) Delta smelt Desert nesting bald eagle Dusky tree vole Elkhorn coral Gentry's indigobush Giant palouse earthworm Gila chub Great Basin spring snails Headwater chub Holmgren's milk - vetch Huachuca water umbel Iliamna lake seals Island fox Island marble butterfly Kern brook lamprey Kittlitz's murrelet (Alaska) Kittlitz's murrelet (federal) Klamath River chinook salmon Las Vegas buckwheat Least chub Loggerhead sea turtle (northern and Florida population) Loggerhead sea turtle (northern Pacific population) Loggerhead sea turtle (western North Atlantic population) Longfin smelt Mexican garter snake Mexican spotted owl Mojave finge - toed lizard North American green sturgeon Northern Rockies fisher Northern sea otter Pacific fisher (federal) Pacific fisher (California) Pacific lamprey Pacific Northwest mollusks Pacific walrus Page springsnail Palm Springs pocket mouse Parish's alkali grass Polar bear Puget Sound killer whale Queen Charlotte goshawk Relict leopard frog Ribbon seal Ringed seal River lamprey Rio Grande cutthroat trout Roundtail chub Sacramento Mountains checkerspot butterfy Sand dune lizard Sand Mountain blue butterfly Shivwitz milk - vetch Sierra Nevada mountain yellow - legged frog Sierra Nevada red fox Siskiyou Mountains salamander Sonora tiger salamander Southwestern willow flycatcher Spotted seal Spring pygmy sunfish Staghorn coral Tahoe yellow cress Tricolored blackbird Tucson shovel - nosed snake Virgin river spinedace Western brook lamprey Western burrowing owl (California) Western gull - billed tern Yellow - billed cuckoo Yellow - billed loon Yosemite toad

Erzya and Moksha Mordvins; Total population; 843,350 (2002) Regions with significant populations; Mordovia, Ryazan Oblast, Ulyanovsk Oblast, Samara Oblast Diana Kuznetsova, 16, died after jumping from a nine storey building in Ryazan (Image: East2West) The lethal game called Blue Whale involves an

Whale watching is a must on the south coast where the Blue Whale forms a distinct resident population.

Cascadia Research senior biologist John Calambokidis discussed his work examining the trends of populations of blue, fin, humpback, and gray whales in southern California during the July From Shore to Sea lecture.

Research biologist, John Calambokidis, discused his work tracking the movements and estimating the populations of blue and humpback whales in the North Pacific at the May «From Shore to Sea» lecture.

Over the last decade, dozens of collisions have seriously injured or killed whales off the California coast, and scientists think the population of about 2,500 blue whales that migrates along the West Coast each year may be especially at risk from ship strikes.

That episode rekindled debate over what should be done to reduce threats to the estimated 2,000 blue whales of an overall global population of 10,000 that feed off California each summer.

It provides breeding and feeding grounds for at least twenty - five endangered or threatened species; thirty - six marine mammal species, including blue, gray, and humpback whales, harbor seals, elephant seals, Pacific white - sided dolphins, and one of the southernmost U.S. populations of threatened Steller sea lions; over a quarter - million breeding seabirds; and one of the most significant white shark populations on the planet.

NOAA officials said they are still studying whether the collisions significantly threaten West Coast populations of endangered species like the blue whale.

Some whale populations once on the brink of extinction, like blue whales, are beginning to recover.

Jim Lecky, director of the Office of Protected Resources for the National Oceanic and Atmospheric Administration fisheries service, said blue whales do not face imminent danger as a population and that their numbers are slowly increasing from year to year.

These areas contain populations of endangered blue, humpback and fin whales that are federally protected under the Federal Endangered Species Act (16 U.S.C. 1538 et seq.), the Marine Mammal Protection Act (16 U.S.C. 1361 et seq.), and the National Marine Sanctuaries Act (16 U.S.C. 1431 et seq.).

The Sea of Cortez has more consistently large populations of many different whale species, including the endangered blue and fin whales.

Blue whales can migrate big distances, but Sri Lanka's population tend to stick around for long periods in Mirissa on the south coast — with most sightings from November to April.

Blue whales are currently listed as endangered animals with only about 2,500 left in the North Pacific population.

While the International Union for Conservation of Nature lists the giant — second in size behind blue whales — as endangered, regional populations, including the fin population off Iceland, are healthy.

We used a population dynamics model to assess the trends and status of ENP [eastern North Pacific] blue whales, and the effects of ship strikes.

There is one population of around 2,000 blue whales off the coast of California — but all told there are only around 10,000 to 25,000 individuals left.

More than 200,000 Antarctic blue whales used to live in the Southern Ocean — but 20th Century whaling decimated this population and latest estimates put this population at just around 2,300 animals.

A. Several whale populations are indisputably endangered, including western gray whales (eastern gray whales, which are the population of gray whales found on the Pacific coast of North America, are no longer considered endangered), eastern bowhead whales, North Atlantic and Pacific right whales, blue whales, and most humpback whales.

Historically, the IWC considered that Antarctic blue whales formed six «stocks,» or demographically isolated biological populations, within which internal dynamics (births and deaths) are more important than external dynamics (immigration and emigration)[6].

However, the only direct evidence of population structure in the Antarctic blue whale has come from the «Discovery» marking program during the commercial whaling era.

Although LeDuc et al. [15] did not consider their sample size to be sufficient for an analysis of geographic structure in the Antarctic blue whale, they were able to report the first estimate of mtDNA diversity in the population and a minimum census of 26 haplotypes among 46 individuals.

Here, we describe mtDNA control region diversity and geographic differentiation in the surviving population of the Antarctic blue whale, using 218 biopsy samples collected under the auspices of the International Whaling Commission (IWC) during research cruises from 1990 — 2009.

Whale Fact: Pre-whaling population estimates were over 350,000 blue whales, but up to 99 % of blue whales were killed during whaling efforts.

The authors note that minke whale populations are roughly similar, if anything smaller, to what they were prior to early 20th century industrial whaling of larger species such as blue, humpback, sei, and fin whales.