225
Visual_HEA
5 adheres to the standard HEA calculation method with major changes. The use of
this method under a software facilitates the idea
to test several different projects, from the viewpoint of their impacts. This could be very helpful
in the case of major infrastructure development,
such as offshore windmill projects, occupying
100 square kilometers, in relatively stable and
specifi c marine ecosystems (both benthic and
5 The Visual_HEA V2.6_FR in French is a freeware; website
at the following location: http://www.developpementdurable.gouv.fr/IMG/zip/saveLogiciel_visual_HEA.zip
pelagic), constituted by fl at soft bottom due to
foundation design and work requirements.
2
Materials and Methods
After a brief presentation of the method, we will
explain how the software Visual_HEA V2.6_FR runs.
2.1
The HEA Method
Habitat Equivalency Analysis (HEA) is a method
used by resource managers to compute the quantity
Fig. 1 The mitigation hierarchy adapted from Rio Tinto and Western Australia EPA (BBOP 2009 )
Fig. 2 “Service to service” approach and graphical representation of ecosystem service loss and recovery through natural restoration over time (in Milon and Dodge 2001 )
How to Size “Fair” Compensatory Mitigation Due to Coastal Area Destruction…
Visual_HEA
5 adheres to the standard HEA calculation method with major changes. The use of
this method under a software facilitates the idea
to test several different projects, from the viewpoint of their impacts. This could be very helpful
in the case of major infrastructure development,
such as offshore windmill projects, occupying
100 square kilometers, in relatively stable and
specifi c marine ecosystems (both benthic and
5 The Visual_HEA V2.6_FR in French is a freeware; website
at the following location: http://www.developpementdurable.gouv.fr/IMG/zip/saveLogiciel_visual_HEA.zip
pelagic), constituted by fl at soft bottom due to
foundation design and work requirements.
2
Materials and Methods
After a brief presentation of the method, we will
explain how the software Visual_HEA V2.6_FR runs.
2.1
The HEA Method
Habitat Equivalency Analysis (HEA) is a method
used by resource managers to compute the quantity
Fig. 1 The mitigation hierarchy adapted from Rio Tinto and Western Australia EPA (BBOP 2009 )
Fig. 2 “Service to service” approach and graphical representation of ecosystem service loss and recovery through natural restoration over time (in Milon and Dodge 2001 )
How to Size “Fair” Compensatory Mitigation Due to Coastal Area Destruction…