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Tag: Freshwater

River discharge of freshwater into the Mediterranean
The estimated mean annual river discharge into the Mediterranean for recent years is about 10.000 m3/s, with a dry season in midsummer and a peak flow in early spring (Struglia et al. 2004). Ranked according to annual ...
19 Nov 2013 - by GRID-Arendal
SIDS freshwater availability
SIDS, though surrounded by water, grapple with limited potable water supplies, poor potable water quality, sanitisation and inefficient distribution systems. The connectivity of the different components of the water cyc...
15 Oct 2013 - by GRID-Arendal
Human population growth rates, 1990–2000, and per capita Gross Domestic Product (GDP) and biological productivity in 2000 in ecological systems
Millennium Assessment systems with the lowest net primary productivity and lowest GDP tended to have the highest population growth rates between 1990 and 2000. Urban, inland water, and marine systems are not included due...
30 Nov 2007 - by Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Number of borrowers in the micro-credit scheme
Number of borrowers in the MACH micro-credit scheme, Bangladesh
11 Jul 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Consumption of pesticides (active ingredients)
The graphic shows consumption of pesticide (active ingredients) from 1980 to 2010. Pesticides are natural chemicals or altered versions of natural chemicals used in agriculture to control various sorts of pests such as d...
14 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Renewable water resources in Europe
Water resources are a major political issure with most European countries a large portion of their fresh water supply orginating from other countries. Hungary has over 90 percent of its fresh water coming from river flow...
14 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Development of organic matter, phosphorus and nitrate in EU 15 rivers
The graphic shows the development of organic matter, phosphorus and nitrate in EU 15 rivers. Water resources in Europe have been profoundly influenced over the past century by human activities, including the construction...
14 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Trends in groundwater nitrate concentrations
The graph shows the development of Nitrate concentration in groundwater from 1980 to 1995 in France, Britain and Denmark combined. Nitrate is a naturally occurring compound and is normal in small amounts, but excess amou...
14 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Freshwater resources
Access to water is perhaps one of the greatest challenges for sustainable development in Africa. This resource includes three graphics. The first shows the average annual freshwater withdrawal, in cubic metres per capita...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Water availability in Africa
Water resources are inextricably linked with climate, so the prospect of global climate change has serious implications for water resources and regional development (Riebsame et al., 1995). This graphic shows water avail...
17 May 2005 - by Digout, Delphine, based on a sketch by Philippe Rekacewicz; UNEP/GRID-Arendal
Climate change vulnerability in Africa
Multiple stresses make most of Africa highly vulnerable to environmental changes, and climate change is likely to increase this vulnerability. This graphic shows which of the regions of Africa (North Africa, West Africa,...
17 May 2005 - by Delphine Digout, UNEP/GRID-Arendal
Freshwater stress
Today, the great pressure on water resources is rising human populations, particularly growing concentrations in urban areas. This diagram shows the impact of expected population growth on water usage by 2025, based on t...
07 Nov 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Water quality in Albania
Water pollution in Albania is recorded on different levels; moderately polluted, organically polluted, and industrially polluted for rivers, lakes and sea areas. This map shows the areas of water pollution throughout Alb...
11 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Water quality in Macedonia
Shows various levels of water quality in the major rivers of Macedonia. If we analyze natural conditions in the country, we shall conclude that Macedonia is a semi-dry area (the area of Ovce Pole is the driest one in the...
11 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Transboundary river basins of the Balkans, overview
Prior to 1992, there were only six transboundary river basins in the Balkans, but after the break-up of former Yugoslavia, the number more than doubled. There are now 13 internationally shared river basins and four trans...
30 Nov 2007 - by Philippe Rekacewicz, Stephane Kluser, Matthias Beilstein, Ieva Rucevska, Cecile Marin, Otto Simonett
Probability of gastroenteritis amongst bathers exposed to increasing faecal streptococci densities from samples taken at chest depth
The graphic shows the probability of aquiring gastroenteritis when bathing in water containing faecal contaminants. Gastroenteritis is the irritation and inflammation of the digestive tract. This condition may cause abdo...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Major River Systems in the Arctic
The Arctic has several of the world’s largest rivers.This graphic shows the major river systems of the Arctic and their annual discharges in cubic kilometres, and the catchment area of the Arctic Ocean. The major river s...
28 Sep 2005 - by CAFF (Conservation of Arctic Flora and Fauna); see source field
Global freshwater withdrawal
World map showing annual levels of renewable water resources for the year 2000 measured in cubic meters. The use of water varies greatly from country to country and from region to region. 'Withdrawal' refers to water tak...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Access to safe drinking water
There are currently more than 1000 million people in the world that lacks access to an easily accessible and safe water source, such as a connection to water mains or a protected well. Instead, water access is limited or...
28 Sep 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Global International Water Assessment tools (GIWA)
The graphic shows the process of GIWA's assessment methodology and list the five main concerns dealing with water resources, which are freshwater shortage, pollution, habitat and community modification, unsustainable exp...
28 Sep 2005 - by UNEP/GRID-Arendal
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