30 january 2018 - interreg europe · 2018. 5. 3. · issues with biological records •can be...
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30 January 2018
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Issues with biological records
• Can be sparse – results in ‘patchiness’
• Concerns about taxonomic biases (+ birds, -inverts)
• Recording efforts vary spatially – ‘fake hot spots’
• Many recorders want ‘firsts’
• Difficulty inferring current state from historicalrecords
• Mismatch between recorded species and those that may be responsive to habitat change
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Where do we know about?
7561-16219
3590-7560
1769-3589
934-1768
550-933
375-549
294-374
257-293
1-256
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI
7561-16219
3590-7560
1769-3589
934-1768
550-933
375-549
294-374
257-293
1-256
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI 22-37
14-21
11-13
9-10
8
7
6
1-3
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI4-5
22-37
14-21
11-13
9-10
8
7
6
1-3
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI4-5
22-37
14-21
11-13
9-10
8
7
6
1-3
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI4-5
Records Taxonomic groups
Recording intensity in Breckland
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What is the evidence base for
distribution of species?
Records
Limited
Species
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SpeciesPriority species
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Data flows
• Most get some data from centralised sources (NBN etc.) – ease of access
• Some recorders prefer not to share data, solution with recognised schemes and permits
• Some stakeholders collect data in house but restrictions with cost and taxonomic expertise
• Most stakeholders pass all data on to NBIS (NCC)
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Basis for Decisions
• Some stakeholders are keen to optimise management to multiple taxa
• General consensus on managing for ‘priority’ species (e.g. Section 41, IUCN, nationally scarce)
• Others explicitly manage for narrow taxa set (e.g. wading birds)
• But face multiple constraints (in addition to data considerations)
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Basis for Decisions (constraints)
• Often restricted by basis of site’s designation…
• …Informs basis of assessment!
• Funding streams also restrict stakeholders’ ability to optimise management based on biodiversity data
• Some management isn’t that data intensive (e.g. wading birds, abundance counts only)
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Basis for Decisions - Marine
• Similar situation, designation depends on habitat –not species
• Species data more use for condition assessment
• Actually have lots of well targeted and incidental data!
• Management involves limiting extractive activities, therefore main data deficiency is for sensitivity to extraction across multiple taxa
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Possibilities for optimisation
• Constraints leave little scope for optimisation by stakeholders
• Therefore optimisation needs to feed into:• Prescription design
• Assessment of designated sites
• Funding streams
• Could be consistent with systematic approach a ‘bio-regional’ scale
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Where do we know about?
7561-16219
3590-7560
1769-3589
934-1768
550-933
375-549
294-374
257-293
1-256
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI
7561-16219
3590-7560
1769-3589
934-1768
550-933
375-549
294-374
257-293
1-256
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI 22-37
14-21
11-13
9-10
8
7
6
1-3
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI4-5
22-37
14-21
11-13
9-10
8
7
6
1-3
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI4-5
22-37
14-21
11-13
9-10
8
7
6
1-3
0
A and B roads
Breckland
Natural Area Other SSSI
Breckland Forest
SSSI4-5
Records Taxonomic groups
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How would our stakeholders prioritise effort across sites?• All asked to give relative importance of 11 different
measures (+ verbal feedback)
• Told to answer as if free of internal and external policy constraints
• Do they converge?
• Are they consistent with what we’ve already been told?
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Site characteristics Landscape contextSpecies
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Conclusions
• All stakeholders collect biodiversity data and use it to inform management
• However, they are usually constrained in the management optimisations they are free to make
• Therefore making greater use of biodiversity data needs a multiple taxa approach to be recognised by funders and other assessments of management