Sentences with phrase «penguin population»

The Adelie penguin population has declined by 80 percent since the 1970s with one colony in particular dropping from 320 to 54 breeding pairs during the 14 years since observation began in 1990.

The planet as a whole has warmed about 1.3 °F since 1900, but on the peninsula, it has shot up by a whopping 5 °F in just 50 years, forcing massive ice shelves to disintegrate and sea ice along with penguin population size to diminish.

Demographic models and IPCC climate projections predict the decline of an emperor penguin population.

Jenouvrier, S., et al., (2009) Demographic models and IPCC climate projections predict the decline of an emperor penguin population.

Variability in krill biomass links harvesting and climate warming to penguin population changes in Antarctica Trivelpiecea et al., PNAS May 3, 2011 vol.

Boulders Beach along False Bay is famous for its penguin population.

Both penguins were released by SANCCOB at the Boulders penguin colony and now form part of the local penguin population.

African penguin population numbers have dropped 60 % in the last 30 years and they are now considered Endangered.

You can't keep a good penguin down (especially one that saved the Emperor penguin population and made Warner Bros..

According to a BBC Nature slideshow, the Natural History Museum in Madrid found that within the past 20 years, more than 30 percent of the chinstrap penguin population... Read More

The Adelie penguin population has declined by 80 percent since the 1970s with one colony in particular dropping from 320 to 54 breeding pairs during the 14 years since observation began in 1990.

The planet as a whole has warmed about 1.3 °F since 1900, but on the peninsula, it has shot up by a whopping 5 °F in just 50 years, forcing massive ice shelves to disintegrate and sea ice along with penguin population size to diminish.

Rather, a dip in the krill population may be to blame, an idea supported by the fact that Adélie penguin population (P. adeliae) in the region is also declining, while the gentoo penguin population (P. papua), which has a more variable diet, is not.

Scientists at the Palmer Antarctica LTER site have documented an 85 percent decline in the Adélie penguin population over the past 40 years.

A warming planet, which is causing sea ice in Antarctica (and elsewhere) to melt, may ultimately be to blame for the plummeting penguin population, the researchers said.

The Galápagos penguin population tenuously hangs onto the islands that so enthralled Charles Darwin during his visit in 1835.

They combined previously - collected penguin population data from 1982 to 2014 with sea surface temperature data from satellites, ships and buoys for the same time period.

Even though the tiny island chain is only about 10 kilometers across, researchers hadn't realized the extent of the penguin population, says study coauthor Heather Lynch, an ecologist at Stony Brook University in New York.

«Shifting winds, ocean currents doubled endangered Galápagos penguin population.»

A warming planet, which is causing sea ice in Antarctica (and elsewhere) to melt, may ultimately be to blame for the plummeting penguin population

On at least three occasions during the past 7,000 years, the penguin population was similar in magnitude to today, but was almost completely wiped out locally after each of three large volcanic eruptions.

The Bronx Zoo is dedicating this year's Run for the Wild fundraiser to save an endangered penguin population native to South America.

You'll learn more about Shedd's penguin population and even take part in a mini training session.

NEW DELHI — Hot on the heels of a study that used feces to track penguin populations from space (ScienceNOW, 6 June), researchers in India are reporting that DNA from tiger poop can help them estimate the cat's numbers in the wild.

Emperor penguin populations are notoriously difficult to track, as they spend warm months at sea and brutal Antarctic winters on land.

The techniques developed in this study will help scientists to reconstruct past changes in colony size and potentially predict how other penguin populations may be affected elsewhere.

They considered all the main issues affecting penguin populations including; terrestrial habitat degradation, marine pollution, fisheries bycatch and resource competition, environmental variability, climate change and toxic algal poisoning and disease.

They report that the future resilience of penguin populations to climate change impacts will almost certainly depend upon addressing current threats to existing habitat degradation on land and at sea.

Professional bioethicists would begin near the end of the debate, when research programmes have, perhaps accidentally, brought penguin populations near to extinction, and the question is whether to open a penguin preservation programme at London Zoo.

They noted that wind and ocean currents could also return to earlier conditions, leading to a decline in penguin populations.

This could cause the undercurrent to continue to move north, expanding the Galápagos cold pool and possibly further raising penguin populations, he said.

Scientists studying Antarctic penguin populations have recently noticed a trend in their numbers: While Ross Sea colonies like this one have grown, colonies on the Antarctic peninsula have shrunk.

«For the time - being we know king penguin populations are still increasing across their range, probably due to them recovering from hunting pressure during the sealing era.

In 2009, Georgia Aquarium began a partnership with the South African Foundation for the Conservation of Coastal Birds (SANCCOB), a hands - on rehabilitation center in South Africa, to help with the first ever health assessment of penguin populations found naturally on South African islands.

Aquarium and SANCCOB veterinarians continue their research into what diseases and environmental conditions cause issues within penguin populations in the hopes of establishing the best rescue and rehabilitation responses.

Georgia Aquarium veterinarians are also using data collected from blood samples of natural penguin populations along with samples from penguins at various zoological facilities to create a reference database for comparison.

During the australian summer of 1995 - 1996 a survey of the whole Falklands coast was conducted by to estimate size of penguins populations: a record of sightings of elephant seals was kept.

attributes both increases and decreases in penguin populations to changes in the abundance of their main prey, Antarctic krill.

Try flight of the penguins: As if our flightless - fowl friends haven't had enough to deal with of late, the warming of the Antarctic Peninsula during the past few decades is also forcing penguin populations to migrate south.

With virtually all CAGW projections diverging further from reality, CAGW's survival depends on propagandizing lies and half - truths: the «97 %» meme, severe weather, sea levels, global warming trends, ocean acidification, polar bear and penguin populations, polar ice caps, etc., are all supposedly worsening at «unprecedented» rates.

Claims about declining penguin populations due to «declining» ice will have to take into account overfishing and the increased sea ice extent!

Wayne Trivelpiece, an Antarctic penguin researcher with the National Oceanographic and Atmospheric Administration's Southwest Fisheries Science Center, based in La Jolla, Calif., agrees that climate change is a serious threat to these and other penguin populations around the world.

What's also shocking is that Antarctic penguin populations, which depend on krill for food, have collapsed by 50 percent in the last 30 years.

Penguins an ecotourism favorite But Boersma contends that demonstrated declines in penguin populations overall show that humans aren't managing their ocean resources and habitats well enough.

A special section in the October issue of BioScience examines the effects of a single season of intense melting on two Antarctic ecosystems, tracking impacts all the way from microbial food webs to shifting penguin populations.

Not exact matches

By 2100 they will be beyond the reach of 70 % of king penguins, meaning these birds will need to rapidly colonize new islands or their population will decline.

Populations of both penguin species have plummeted in recent years, which the research blames on the loss of the tiny, shrimp - like krill that are a staple food for both birds.

Meanwhile, populations of certain species of Antarctic penguins such as the Adélie are dwindling, and Antarctic krill — the tiny crustaceans that feed whales and many other animals — are also on the decline.

The technique may help scientists better track population numbers of these penguins, which are threatened by warmer sea temperatures.

«We are not recommending placing rhino herds in Arizona or polar bears in Antarctica,» the group writes, as, for example, the polar bear would then devastate Antarctic penguin and seal populations that have never encountered such a predator.