On this page you will find main metadata related with the indicator you have selected.
Other metadata is also available, on the Metada System website, through next button Metadata System
						
| Characteristic | Description | 
|---|---|
| Name | Proportion of protected areas (%) by Geographic localization (NUTS - 2001) and Type of protected area; Annual | 
| Regularity | Annual | 
| Source | Institution of Nature Conservation and Biodiversity | 
| First available period | 2007 | 
| Last available period | 2010 | 
| Dimensions | 
								
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| Concepts | 
								
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| Formule | (Protected area/ Area of territorial unit)* 100  | 
						
| Measure unit (symbol) | Percentage (%) | 
| Power of 10 | 0 | 
| Observations | The area values were calculated from cartographic units and the Official Administrative Map of Portugal in PT-TM06-ETRS89 Reference System for Continente, in PTRA08 - UTM zone 28N Reference System for R. A. da Madeira and in ITRF93 - UTM zone 26N and zone 25N for R. A. dos Açores. | 
| Last update date | 17/11/2011 | 
				information presented in 4/11/2025