DAtabase TRAwl Survey DATRAS ICES Lena I Larsen

DAtabase TRAwl Survey (DATRAS) ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04

introduction § data: – how are data collected? – what are data used for? – what problems should users care about? § output from database: – data files – the web page – data access ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04

data collection HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791030402, 059, 2 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031301, 023, 6 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031301, 034, 2 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031301, 038, 4 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031301, 039, 2 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031801, 011, 2 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031801, 014, 2 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031801, 015, 2 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031801, 017, 6 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031801, 019, 2 HL, 1, DEN, DAN 2, GOV, 001, 2004, N, 8791031801, 021, 2 catch by length sub sample ALK ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04

why data collection § provide ICES assessment WG with indices § describe species distribution § biodiversity studies ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04

data IBTS North Sea (1965) IBTS Northern (1985) BTS (1994) BITS (1991) IBTS Western (2001) ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04

IBTS-North Sea all fish species IBTS 30 min GOV whole NS IBTS hauls 1. q, 2004 ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04

data flow in DATRAS ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04

standard output tables NS-IBTS, 2004, 1, 1, 44 F 0, 164712, Gadus Whiting 1. q NS-IBTS, 2004, 1, 1, 44 F 1, 164712, Gadus NS-IBTS, 2004, 1, 1, 45 F 0, 164712, Gadus NS-IBTS, 2004, 1, 1, 45 F 1, 164712, Gadus ICES Lena I. Larsen morhua, 0. 02, 20. 62, 5. 24, 5. 63, 4. 27, 2. 20 morhua, 1. 39, 27. 10, 3. 31, 2. 14, 0. 63, 0. 40 morhua, 0. 66, 7. 65, 3. 36, 4. 13, 0. 51, 0 morhua, 0. 35, 22. 32, 10. 99, 15. 19, 3. 10, 2. 01 OBI Conference 29. 11. 04 – 01. 12. 04

access to data www. ices. dk ICES Lena I. Larsen OBI Conference 29. 11. 04 – 01. 12. 04