22.4.3.2 Magnitude Example definitions of the magnitude levels for land use are given in Table 22.8.


39.


Table 22.8. Magnitude of effect definitions for land use receptors Magnitude


Land use High  


Impacts of permanent or long term (>10 years) duration


Existing land use would not be able to continue on more than 5ha of land or the entire landowner / occupier’s available land (where smaller); where


  Medium  


The land would be rendered unviable for agricultural purposes; or


Permanent changes to land management would be required.


Impacts ofmediumduration ( 5 to 10 years);


Existing land use would not be able to continue on less than 5ha of land; and


 Noticeable changes to the existing land use although it may continue.





 Medium to long term loss of more than 20ha of the best and most versatile agricultural land or more than 60% of the regional resource;





Permanent loss of more than 10ha of ALC (grade 3b) agricultural land or more than 10% of the regional resource;


Full recovery of land is expected within 5 to 10 years; and


 More than 20ha of soil is temporarily unsuitable for agriculture.


Low 


Impacts of short-term duration (<5 years) to land use.





Short-term loss of more than 20ha, or permanent loss of more than 10ha of ALC grade 4 agricultural land or more than 10% of the regional resource;


  Negligible


 No material change to land use of any duration has been identified.


Full recovery of land is expected within 5 years; and


Less than 20ha of soil is temporarily unsuitable for agriculture.


 No material change to the soil resource has been identified.


 Soils and agriculture


Permanent loss of over 20ha of the best and most versatile agricultural land [grades 1, 2 and 3a] or more than 60% total regional resource. (Natural England 2012a; DMRB); and





Full recovery of land would take more than 10 years.


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 22 Land Use Page 23


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