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Maintaining red squirrel range: Hair, blood and nuts Nick Mason - - PowerPoint PPT Presentation
Maintaining red squirrel range: Hair, blood and nuts Nick Mason - - PowerPoint PPT Presentation
Maintaining red squirrel range: Hair, blood and nuts Nick Mason & Scott Tullock 1945 2010 The conservation equation = + Disease or out competition Mission 2012-15 Secure and increase red squirrel range in Northern England. Direct
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+
=
Disease or
- ut competition
The conservation equation
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Mission 2012-15 Secure and increase red squirrel range in Northern England.
- Direct grey squirrel control
- Strong science
- Partnership
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Monitoring – spring & autumn
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RSNE.ORG.UK
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Standardised recording by: RSNE Rangers and contractors Volunteer Groups Land managers 9000 records now held – 10 fields per record RAPID ANALYSIS IS ESSENTIAL FOR EFFECTIVE, MORAL & EFFICIENT CONSERVATION
2012 red squirrel conservation effort
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Aim and Methodology
- Manage and organise 9000 records
- Duplicates, dates and grid references
- Map making
- Thematic mapping
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Point based thematic maps
- Best suited to small data sets
- Large data sets and the
issues they bring
- Overlapping records
- Loss of accuracy with the
data
‘All squirrel sightings 1960-present’
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Region based thematic maps
- Easy to interpret
- Summary of records per tetrad
- Same scale unit as RSNE
monitoring work
- Capable of displaying large
datasets
- Next steps –
1. Further break down into regions/counties 2. Repeat for other data fields 3. Relate to range monitoring data
Shown above ‘Grey kills per tetrad in 2012’
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Get involved
@RedSquirrelsNE
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