Sentences with phrase «penguin populations from»
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.
http://www.sciencemag.org/ Not exact matches
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.
«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.
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.
These concerns over the lack of a baseline population figure for the species have led to the suggestion that emperor penguins should be re-classified by the IUCN from «of least concern'to «data deficient» [14].
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.
Starting from Ushuaia and ending in New Zealand, this voyage takes you across the Ross Sea, where around one third of the world's population of emperor penguins breeds.
Despite satellite estimates that more than doubled the population of known Emperor Penguins, the International Union for the Conservation of Nature (IUCN) changed their ranking of Emperors from a species of Least Concern to a Near - Threatened species based on modeling studies blaming the decline of DuDu's penguins on climate change as presented in Jenouvrier and Caswell'Penguins, the International Union for the Conservation of Nature (IUCN) changed their ranking of Emperors from a species of Least Concern to a Near - Threatened species based on modeling studies blaming the decline of DuDu's penguins on climate change as presented in Jenouvrier and Caswell'penguins on climate change as presented in Jenouvrier and Caswell's study.
The population of native Adélie penguin has declined from 15,000 pairs in the area around Palmer Station in the 1980s to fewer than 3,000 today.
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.
============ Department of the Environment — Australian Antarctic Division A virus amongst the penguins Diseases and parasites have been detected in Antarctic wildlife populations for as long as scientists have observed and collected samples from them.
Also, many of the colonies where counts do exist were last counted several decades ago, while other counts rely on estimates from late in the breeding season... These concerns over the lack of a baseline population figure for the species have led to the suggestion that emperor penguins should be re-classified by the IUCN from «of least concern'to «data deficient»»
Some species don't get the chance to seek cooler climate as climate change has also caused the disappearance of many creatures including emperor penguins, which lost 50 percent of their population; rockhopper penguins in Campbell Island dipped by 96 percent; ivy gull lost 70 percent; and Arctic skua breeding numbers in Scotland decreased 74 percent from 1986 to 2011.
Researchers studying king and emperor penguin and elephant seal populations have had to get up close in order to pick up radio - frequency identifications from tagged animals, which would cause the animals stress.
As we know from South African penguins, overfishing and changes in ocean temperatures are affecting their prey source, which means the populations of the penguins are affected.
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.
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.