Indicator database

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    Biological quality of lakes

    This indicator represents the Cyanobacteria percentage of total phytoplankton biomass. This is an indicator of eutrophication.

    Ecological Footprint

    The Ecological Footprint represents the productive area required to provide the renewable resources humanity is using, as well the area required to absorb the waste emitted.

    Emissions of organic matter

    The emission of organic matter is a key environmental problem. Among the pollutants mentioned are Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), and Total Organic Carbon (TOC). BOD, COD and TOC are key indicators of the oxygen content of water.

    Exceedance of air quality limit values in urban areas

    The indicator shows the fraction of the EU-28 urban population that is potentially exposed to ambient air concentrations of certain pollutants (PM2.5, PM10, O3, NO2, SO2 and B(a)P)) in excess of the EU limit or target values (EU, 2004, 2008) set for the protection of human health; and to concentrations of these pollutants in excess of the WHO Guidelines (WHO, 2000, 2006).

    It also shows the evolution of urban background levels of PM2.5, PM10, O3 and NO2 at the European level.

    Forest growth

    This indicator measures forest area and volume of forest biomass.

    Habitats of European interest

    The indicator shows changes in the conservation status of habitats of European interest.
    It is based on data collected under the reporting obligations of Article 17 of the EU Habitats Directive (92/43/EEC).

    Invasive alien species in Europe

    Number of the listed 'worst' terrestrial and freshwater invasive alien species in each country". (EEA, from the title of figure 4 from http://www.eea.europa.eu/data-and-maps/indicators/invasive-alien-species (http://www.eea.europa.eu/data-and-maps/indicators/invasive-alien-species...)

    Nationally designated areas

    Areas designated under national legislation for the purpose of nature protection including sites such as national parks and nature reserves.

    Soil erosion by water

    EU-wide estimates of erosion are based on modelling studies. Most models contain a rainfall erosivity factor and a soil erodibility factor that reflect average precipitation conditions. Typical values for these factors may inadequately represent the impact of extreme rainfall. Therefore, the uncertainty of modelled erosion risk is high, especially at local level.
    (Source, EEA, http://www.eea.europa.eu/data-and-maps/indicators/soil-erosion-by-water-1, 12-2-2015)

    Soil organic carbon

    Soil organic carbon is the carbon (C) stored in soil organic matter (SOM). Organic carbon (OC) enters the soil through the decomposition of plant and animal residues, root exudates, living and dead microorganisms, and soil biota. SOM is the organic fraction of soil exclusive of nondecomposed plant and animal residues. Nevertheless, most analytical methods do not distinguish between decomposed and non-decomposed residues. SOM is a heterogeneous, dynamic substance that varies in particle size, C content, decomposition rate, and turnover time.

    Species diversity

    Species diversity is a measure of the diversity within an ecological community that incorporates both species richness (the number of species in a community) and the evenness of species' abundances. Species diversity is one component of the concept of biodiversity.

    Species of European interest

    The indicator shows changes in the conservation status of species of European interest.
    It is currently based on data collected under the obligations for monitoring under Article 11 of the EU Habitats Directive (92/43/EEC).

    http://www.eea.europa.eu/data-and-maps/indicators/species-of-european-in...

    Species interactions

    Projected spatial mismatches of the Portuguese Dappled White butterfly and its host plants

    Conservation status of habitats by habitat group

    The indicator shows changes in the conservation status of habitats by habitat group.
    It is based on data collected under the reporting obligations of Article 17 of the EU Habitats Directive (92/43/EEC).

    Pollutant emissions from transport

    "Pollutant emissions transport" measures the transport emissions of NOx, NMVOCs and particulate matter (PM10 and PM2.5). It is structured as a benchmark, having an index pegged at year 2000 (index 2000 = 100).

    Retrieved from, http://ec.europa.eu/eurostat/tgm/table.do?tab=table&init=1&plugin=0&lang..., 24.03.2015

    Soil erosion by water - area eroded by more than 10 tonnes per hectare per year

    The indicator assesses the soil loss by water erosion processes (rainsplash, sheetwash and rills) and gives an indication of the area affected by a certain rate of soil erosion (moderate to severe, i.e. >10 tonnes/hectare/year in the OECD definition). This area is expressed in km2 and as a percentage of the total non-artificial area in the country.

    Water productivity (GDP/Water Footprint)

    "The indicator illustrates the amount of economic value generated by unit of water consumption. It is calculated as GDP (in Purchasing Power Standards /PPS) divided by the Water Footprint (WF) of a country."

    Retrieved from, http://database.eco-innovation.eu/indicators/view/280/1, 31.03.2015

    Fresh Water Resources

    Internal flow and actual external inflow of surface and groundwater in millions of cubic metres per thousands inhabitants.

    Physical Trade Balance (PTB)

    The trade surplus or deficit of material resources within an economy, calculated as imports minus exports of raw materials and manufactured products.

    Growing stock in forests available for wood supply

    " Volume of all living trees more than X cm in diameter at breast height (or above buttress if these are higher) measured over bark from ground or stump height to a top stem diameter of Y cm, excluding or including branches to a minimum diameter of Z cm. Excludes: smaller branches, twigs, foliage, flowers, seeds, stump and roots."

    FAO, http://www.fao.org/docrep/007/ae354e/AE354E13.htm, retrieved on 22.01.2015

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