Sentences with phrase «emperor penguin colonies»

Using the latest in satellite imaging technology, a international team of scientists scoured Antarctica's frozen landscape for signs of Emperor penguin colonies.

A very interesting and very readable article that explains the complexity of the environmental factors affecting the Adelie and Emperor penguin colonies.

Research suggests that emperor penguin colonies will be dramatically affected by climate change, according to British Antarctic Survey biologist Phil Trathan.

Research suggests that emperor penguin colonies will be dramatically affected by climate change, according to British Antarctic Survey biologist Phil Trathan.

We examined the whole continental coastline of Antarctica using a combination of medium resolution and Very High Resolution (VHR) satellite imagery to identify emperor penguin colony locations.

Not exact matches

As previous population estimates did not take account of 16 of the 46 colonies (see Figure 3), and many previous counts were of poor quality and widely separated in time [11], [12], [23] these historical estimates can not be considered representative of the total breeding population of emperor penguins (previous counts are given for comparison in Table 1).

We found four new colonies and confirmed the location of three previously suspected sites giving a total number of emperor penguin breeding colonies of 46.

We estimated the breeding population of emperor penguins at each colony during 2009 and provide a population estimate of ∼ 238,000 breeding pairs (compared with the last previously published count of 135,000 — 175,000 pairs).

However when changing environmental conditions cause an ice shelf to slip and capture a colony of Emperor Penguins inside a snowy trap, the young chick determines that flying is their only way out.

Its environmental section features films ranging in length from 9 minutes to 49 minutes, and covers such topics as emperor penguins and climate change, colony collapse disorder, and coal - burning power plants.

The Emperor Penguin colony where the movie «March of the Penguins» was filmed has been shrinking.

Robertson, G. et al (2014) Long - term trends in the population size and breeding success of emperor penguins at the Taylor Glacier colony, Antarctica.

His website argues, «The Emperor Penguin colony where the movie «March of the Penguins» was filmed has been shrinking.

Geologie Emperor Penguins are also known as the Terre Adelie colony or the Dumont d'Urville colony, named after the adjacent French research station known by the locals as DuDu.).

However, interrupting the Emperor's pair - bonding and vital huddling behavior to attach flipper bands and count birds is a significant disruption that would encourage penguins to seek a more secluded breeding colony.

Two years ago the fecal stain method identified several large, hitherto unknown colonies and nearly doubled our estimate of the world's Emperor Penguins.1, 2 That didn't mean climate change had necessarily increased penguin numbers, but a larger more robust population meant Emperor Penguins were far more resilient to any form of change.

«If sea ice declines at the rates projected by the IPCC climate models, and continues to influence emperor penguins as it did in the second half of the 20th century in Terre Adélie, at least two - thirds of the colonies are projected to have declined by greater than 50 % from their current size by 2100,» Dr Jenouvrier said.

The CBD wrote, «The Emperor colony at Terre Adelie in East Antarctica» featured in the Academy Award - winning French documentary, March of the Penguins» plummeted by more than 50 % in the late 1970s during a warm period with little sea ice cover, when adults died en masse.

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»»