Antarctic is the fifth largest continent of the world at 14 million square kilometres and is covered in a permanent continental ice. The ice is distributed in two major ice sheets, the East Antarctic [..]
Most areas of North America that have any economic significance - for agriculture, habitation or siliviculture has been converted and modifiedf for human use. Areas with lower degrees of disturbance [..]
Species that has been introduced on purpose or spread in the wild threaten livelihoods in agriculture or water resources. As illustrated in this map, some regions of South Africa have very high ratios [..]
El Niño describes 'the warm phase of a naturally occurring sea surface temperature oscillation in the tropical Pacific Ocean', southern oscillation refers to 'a seesaw shift in surface air pressure at [..]
Current and projected Ranges of Beech Trees in the US.
A warmer climate may have significant effect on the forests. Decidous forests will probably move northwards and to higher altitudes, replacing [..]
The Antarctic convergence represents an important climatic boundary between air and water masses, and is also an approximate boundary for the Southern Ocean, surrounding the Antarctic continent. The [..]
the graph shows the number of tourist and ships going to the Antarctic from 1981 to 1996. It shows a steady increase of both tourists and ships going to antarctica. Studies have been done to estimate [..]
Curitiba has become world-famous for its original approach
to basic municipal problems thanks to a unique mixture of
innovative town planning, determined political leadership
and good public [..]
In the 1980s severe hygienic problems plagued parts of
Curitiba where housing development was uncontrolled. The
winding streets were too narrow for council trucks and waste
rotting in the open [..]
The figure demonstrates that the overwhelming majority of marine areas under national jurisdiction in East Africa are deeper than 200 metres (dark blue). Areas in red indicate where the [..]
Sea-ice draft is the thickness of the part of the ice that is submerged under the sea. Comparison of sea-ice draft data acquired on submarine cruises between 1993 and 1997 with similar data acquired [..]
For the Northern Hemisphere (primarily the Arctic), observations using remote sensing technologies have been used to measure the extent and the to assess the development. Despite considerable [..]
The red line indicates the median minimum extent of the ice cover for the period 1979–2000. This figure compares the Arctic sea-ice extent in September for the years 1982 (the record maximum since [..]
Protected areas of the Arctic as recognized by the IUCN in the World Protected Areas Database at UNEP-WCMC, 2005. Some areas, like the Dehcho territory in Canada have been placed under interim [..]
Several definitions of the Arctic, physical temperature boundaries, political boundaries, such as as the CAFF delineation, and the Arctic Circle. Compiled by GRID-Arendal and presented in the CAFF [..]
