Tag: "archipelago" at biology news
Grizzlies set to invade high Arctic?
... Island, an uninhabited part of the western Arctic archipelago
1,500 kilometres due north of Yellowknife, and 1,000 kilometres north of the Arctic Circle. "We know grizzlies go out on the sea ice to hunt seals, but no one has ever seen one that far north," says Dr. John England a geology professor and the NSERC ...
Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra
...ted introducing foxes onto islands in the Aleutian archipelago
in the 18th century. The ground-nesting birds made...t the nutrient-poor volcanic soils of the Aleutian archipelago
can only support dense grasslands if they receive regular doses of fertilizer in the form of bird dr...
A hope for oil spill bioremediation
...long the shore of a contaminated island in the Ces archipelago
showed degradation of a depleted 13C source such as the Prestige crude oil, pointing out to a natural population oxidizing this carbon source into CO2. This could be reproduced in the laboratory using water samples taken from the contaminated shore, ...
Applying ecological laws to bacteria
...ncreasing size and were said to be analogous to an archipelago
of islands. Microbial communities impact greatly on life on Earth. They can help promote plant growth and protect plants against disease, as well as reducing pollution. The finding that microorganisms follow the same patterns as plants and animals ha...
Not just the birds
...ers in their study. The experiment The Aleutian archipelago
has over 450 islands in the highly productive North Pacific Ocean and Bering Sea. In the harsh northern climate, the islands are covered in maritime tundra and nutrient-impoverished soil. With no native mammals, vast populations of seabirds (29 spec...
Spring migration of pink-footed geese under threat
...s and migrates to breeding grounds in Svalbard (an archipelago
hundreds of miles off the north coast of Norway) in spring. On their migratory route north, the geese stop to feed on sheep pastures and emerging crops at Vesterlen in northern Norway so that they arrive in Svalbard in good enough condition to breed ...
Pacific Islands paradise protected
... marine protected area in the world, conserving an archipelago
of some of the planet's most pristine coral reefs....ize of Portugal. It contains a near pristine coral archipelago
with abundant marine and bird life, and is the first marine protected area in the region with deep-s...
Dolphins at risk
...00 dolphins died mysteriously off the Indian Ocean archipelago
in Zanzibar. The phenomenon has created a stir among marine experts, with varying theories that the Indian Ocean Bottlenose dolphins may have been hurt by pollution or underwater noise. Author, Dr. Jonathan David, MCIWEM, suggests that mitigation me...
Earth's most diverse marine life found off Indonesia's Papua Province
... Teluk Cenderawasih in the north to the Raja Ampat archipelago
off the western coast and southeast to the FakFak-Kaimana coastline. A few hundred kilometers inland are Papua's Foja Mountains, where a team led by CI and the Indonesian Institute of Science (LIPI) last year discovered a virtual "Lost World" of new ...
It takes a village -- female ducks negotiate joint rearing of ducklings
...running study of the eider population in a Finnish archipelago
to test predictions about how each hen seeks to maximize her benefits from the partnership without making it so unattractive that other hens withdraw their participation. As hens arrive at the rearing-area with their ducklings, a period of intense...
AGU Journal highlights -- February 23, 2007
... to oceanic mixing when they break. The Indonesian archipelago
is characterized by strong oceanic mixing induced by internal tides, which are trapped and forced to dissipate in semi-enclosed seas of the archipelago. This region is the only low-latitude passage between two oceans and hence plays an important role...
The mouflons of the Kerguelen archipelago
...flons The mouflon population of the Kerguelen archipelago
The Kerguelen Islands in the Indian Ocean are one of four districts in the French Austral and Antarctic Territories. These islands, one of the most isolated places on Earth, house a military base and a science station. In 1957, the local authorities...