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The gathering and application of invertebrate data

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The gathering and application of invertebrate data. Brian Nelson, National Museums Northern Ireland. Gathering. Most recorders work in their spare time Majority of records gathered by a few recorders Increasing (?) number of naturalists, more inclined to record challenging groups

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slide1
The gathering and application of invertebrate data

Brian Nelson, National Museums Northern Ireland

gathering
Gathering
  • Most recorders work in their spare time
  • Majority of records gathered by a few recorders
  • Increasing (?) number of naturalists, more inclined to record challenging groups
  • Increased availability of keys and field guides, web-based resources
  • Large datasets more easily stored and analysed on home computers
what to do with records
What to do with records?
  • You could do nothing – but what is the point?
  • Get them verified, become trusted
  • Publish records yourself or contribute them to a recording scheme
  • Today’s option - send to a records centre
  • Leave critical vouchers in a museum – very important!!
application
Application
  • Production of atlases
  • Site protection
  • Species protection
  • Red data lists
  • Monitoring
  • Enthusing
  • Analysis of trends e.g. response to climate and habitat change
slide8
Aims
  • Map the distribution of all Irish species
  • Compare with previous surveys
  • Document habitat, species assemblages and important sites
  • Encourage recording
  • End product - atlas and handbook
coverage
1970-1999

Pre 1970

2000-2003

Coverage
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2000-2003

1980-1999

publishing and dissemination of records
Publishing and dissemination of records
  • Long tradition of atlases of Britain and Ireland
  • Ireland often poorly covered in maps and text
  • Trend for Ireland-only atlases being produced
  • Online access with full data – NBN and NBDC
ireland only insects
Ireland-only Insects
  • 1 Odonata - damselfly
  • 2 Hymenoptera - bee/ant/wasp
  • 3 Trichoptera - caddisfly
  • 5 Hemiptera - bugs/aphids/froghoppers
  • 5 Lepidoptera - butterflies/moths
  • 11 Coleoptera - beetles
  • 21 Diptera - two-winged flies
irish bluet coenagrion lunulatum
Irish Bluet Coenagrion lunulatum
  • Main distribution Ireland, Netherlands, Finland, probably Russia, Mongolia
  • Northern temperate species mesotrophic ponds
sigara fallenoidea
Sigara fallenoidea
  • Awater boatman. Large Irish lakes.
  • Relict species in Northern Hemisphere
limnoporus rufoscutellatus
Limnoporus rufoscutellatus
  • A large pondskater. Widespread in central and northern Europe
  • Occurs at very low densites, 1000 other gerrids to 1 of this species.
gyrinus natator the shady whirligig
Gyrinus natatorThe Shady Whirligig
  • the commonest whirligig?
  • last record in GB 1921
  • shady peat cuttings and lake edges
  • presumably at threat from sites becoming overgrown as in Cumbria
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