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Tag: Migratory species

Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when m...
17 May 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when m...
17 May 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Population size of Peary caribou in the Canadian Arctic islands
In northwestern North America, recent warming has led to a dramatic increase in the number of days of above freezing temperatures during the migration period for the caribou (Rangifier tarandus). Thawing and subsequent r...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when mi...
31 Jul 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when mi...
17 May 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Global flyways of the six subspecies of Red Knot
The Red Knot is a migratory shorebird that travels up to 20,000 km twice a year from its breeding grounds on the high Arctic tundra to its southern non-breeding sites. Along with having one of the longest total migrati...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Migratory routes for selected marine animals
Acknowledging ecological networks and how their disruption may have an impact populations of migratory species is essential for the survival of these species and for fostering international collaboration. This is an ov...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Migration of grassland birds in America
The grasslands of Argentina, Bolivia, Brazil, Paraguay, and Uruguay in southern South America represent important habitat to numerous migratory and resident bird species. These birds play vital roles in the ecosystem by ...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Red Knot migration along the East Atlantic flyway
Red Knots set off in April with large fat reserves (fuel) from the airport “West Coast National Park” (the Langebaan Lagoon tidal flats in South Africa) to fly 7,000–8,000 km until they reach the tidal flats of Guinea ...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Spatial configuration on an ecological network
A spatial configuration of an Ecological Network, showing how various resources are connected in the landscape
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Highway threaten Serengeti wildlife
This graph shows proposed commercial roads across the Serengeti and surrounding region in 2010. However, following intense international pressure, the Tanzanian Government announced in 2011 that it will favour an alterna...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Humpback Whale movements within the South Pacific
Mortality due to entanglement and collisions with ships has been reported within the Southern Hemisphere. To varying degrees these threats are all present in both the Oceania region and the Southern Ocean. The Internati...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Lesser White-fronted Goose migratory routes in Eurasiah
The globally threatened Lesser White-fronted Goose is a Palearctic migrant, breeding discontinuously in forest- or shrub tundra and mountainous shrubby wetlands from Fennoscandia to easternmost Russia. The species ha...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Who protects them? Convention on the Conservation of Migratory Species of Wild Animals
Parties and non-parties to the Convention of Migratory Species. Severe gaps exist in the north and east and are urgently needed for protecting the ecological networks and migrations of many endangered species
01 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Snow Leopard range in Asia
The Snow Leopard inhabits the alpine and sub-alpine regions of Asia’s most spectacular mountain ranges. Occupying nearly 2 million km2, the snow leopard’s range extends across 12 range states from Russia and Mongolia t...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Yellow Sea, the flyway hub
The East Asian-Australasian flyway for migratory birds
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Nathusius’ Pipistrelle distribution and migration
The tiny Nathusius’ Pipistrelle, weighing only 6–10 grams, travels almost 2000 km from its breeding grounds in north-eastern Europe to its main hibernation areas in south-west Europe. Populations in Russia are thought to...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Migratory species – flying in the air
Acknowledging ecological networks and how their disrup-tion may have an impact populations of migratory species is essential for the survival of these species and for fostering international collaboration. This is an...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Migratory species – running on land
Acknowledging ecological networks and how their disruption may have an impact populations of migratory species is essential for the survival of these species and for fostering international collaboration. This is an ov...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal