Lýsigagnagátt
Riparian Zone Green Linear Elements (RZ_GLE) Iceland 2012
Riparian zones represent transitional areas occurring between land and freshwater ecosystems, characterised by distinctive hydrology, soil and biotic conditions and strongly influenced by the stream water. They provide a wide range of riparian functions (e.g. chemical filtration, flood control, bank stabilization, aquatic life and riparian wildlife support, etc.) and ecosystem services.
The Riparian Zones products support the objectives of several European legal acts and policy initiatives, such as the EU Biodiversity Strategy to 2020, the Habitats and Birds Directives and the Water Framework Directive.
Green Linear Elements (GLE) are ecologically significant, structural landscape elements which act as important dispersion vectors of biodiversity. GLEs comprise hedgerows and lines of trees and offer a wide range of ecosystem services: they are linked to both landscape richness and fragmentation of habitats, with a direct potential for restoration, and contribute also to hazard protection. Green linear elements form part of the Green Infrastructure and are specifically addressed in the EU Biodiversity Strategy 2020. The GLE product provides reliable and detailed geospatial information on the occurrence and spatial distribution of: Small linear vegetation features such as hedgerows, scrub and tree rows with a minimum length of 100m and a width of up to 10m; Isolated patches of trees and scrub with a size between 500 m² and 0.5 ha. Green linear elements including trees and hedgerows with 100m minimum length and 500 m² Minimum Mapping Unit (MMU)
Simple
- Date ( Publication )
- 2019-01-28
- Status
- Completed
- Maintenance and update frequency
- As needed
- Keywords ( Theme )
-
- Copernicus
- GSL
- Keywords ( Place )
-
- Iceland
- GSL flokkun ( Theme )
- Use limitation
-
Access to data is based on a principle of full, open and free access as established by the Copernicus data and information policy Regulation (EU) No 1159/2013 of 12 July 2013. This regulation establishes registration and licensing conditions for GMES/Copernicus users and can be found here. Free, full and open access to this data set is made on the conditions that:
When distributing or communicating Copernicus dedicated data and Copernicus service information to the public, users shall inform the public of the source of that data and information.
Users shall make sure not to convey the impression to the public that the user's activities are officially endorsed by the Union.
Where that data or information has been adapted or modified, the user shall clearly state this.
The data remain the sole property of the European Union. Any information and data produced in the framework of the action shall be the sole property of the European Union. Any communication and publication by the beneficiary shall acknowledge that the data were produced “with funding by the European Union”.
- Access constraints
- Copyright
- Other constraints
- no limitations to public accsess
- Spatial representation type
- Vector
- Metadata language
- en
- Character set
- UTF8
- Topic category
-
- Boundaries
))
- Reference system identifier
- EPSG / 5325 / 9.5.4
- Topology level
- Geometry only
- Geometric object type
- Composite
- Geometric object count
- 1753
- Distribution format
-
-
ESRI Shapefile
(
2
)
-
ESRI Shapefile
(
2
)
- OnLine resource
- Webside Institute of Nature Research ( WWW:LINK-1.0-http--link )
- OnLine resource
- Institute of Nature Research Download Site ( WWW:LINK-1.0-http--link )
- OnLine resource
- Riparian_Zone_Green_Linear_Elements_Iceland_2012 ( OGC:WMS )
- OnLine resource
- Riparian_Zone_Green_Linear_Elements_Iceland_2012 ( OGC:WFS )
- OnLine resource
- Geoportal ( WWW:LINK-1.0-http--link )
- Hierarchy level
- Dataset
Conformance result
- Date ( Publication )
- 2010-11-23
- Explanation
- See the reference specification
- Pass
- Yes
- Statement
-
The Institute of Nature Research verified the RZ_GLE layer for year 2012 with the LACO-Wiki online tool. In Iceland there are 1704 valid GLE polygons with a total area of 185,6 ha and a mean size of 1089 square meters. Of those 1704 polygons 100 sample polygons were selected.
The overall correctness of the LU/LC code was only 52% (non weighted). Highest accuracy, 72%, was obtained for class 1.1 Trees – Linear structures and the lowest accuracy for class 2.2 Hedgerows and scrubs – Patches only 14%.
Correctness of delineated area was highest for the linear structure classes; 75% (Hedgerows and scrub) and 58.3% (trees) but lower for the patch classes; 50% (Hedgerows and scrub) and 28.6% (trees).
Positional accuracy was good in almost every case (97%) as compared to the DWH_CORE_03 VHR image coverage for 2012. The Google Earth and Bing aerial images are shifted in many cases. See report: "RZGLE2012_VerificationReport_IS" at the download site of Institute of Nature Research.
Software used for verification: LACO-WIKI, (GoogleEarth, ArcMap 10.5.1)
gmd:MD_Metadata
- File identifier
- 0c5c109e-b21a-4f79-baf7-f2cf399ad9e8 XML
- Metadata language
- en
- Character set
- UTF8
- Hierarchy level
- Dataset
- Date stamp
- 2022-05-27T13:55:24
- Metadata standard name
- INSPIRE Metadata Implementing Rules: Technical Guidelines based on EN ISO 19115 and EN ISO 19119
- Metadata standard version
- V. 1.2
http://www.lmi.is/
Overviews
Spatial extent
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