90 likes | 184 Vues
Explore the process of data collection and its utilization at the ICES OBI Conference. Learn about problems users should be aware of and access data files through the web page for various studies.
E N D
DAtabase TRAwl Survey (DATRAS) ICES OBI Conference Lena I. Larsen 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 OBI Conference Lena I. Larsen 29.11.04 – 01.12.04
data collection HL,1,DEN,DAN2,GOV,001,2004,N,8791030402,059,2 HL,1,DEN,DAN2,GOV,001,2004,N,8791031301,023,6 HL,1,DEN,DAN2,GOV,001,2004,N,8791031301,034,2 HL,1,DEN,DAN2,GOV,001,2004,N,8791031301,038,4 HL,1,DEN,DAN2,GOV,001,2004,N,8791031301,039,2 HL,1,DEN,DAN2,GOV,001,2004,N,8791031801,011,2 HL,1,DEN,DAN2,GOV,001,2004,N,8791031801,014,2 HL,1,DEN,DAN2,GOV,001,2004,N,8791031801,015,2 HL,1,DEN,DAN2,GOV,001,2004,N,8791031801,017,6 HL,1,DEN,DAN2,GOV,001,2004,N,8791031801,019,2 HL,1,DEN,DAN2,GOV,001,2004,N,8791031801,021,2 catch by length sub sample ALK ICES OBI Conference Lena I. Larsen 29.11.04 – 01.12.04
why data collection • provide ICES assessment WG with indices • describe species distribution • biodiversity studies ICES OBI Conference Lena I. Larsen 29.11.04 – 01.12.04
data IBTS North Sea (1965) BTS (1994) IBTS Northern (1985) BITS (1991) IBTS Western (2001) ICES OBI Conference Lena I. Larsen 29.11.04 – 01.12.04
IBTS-North Sea IBTS 30 min all fish species GOV whole NS IBTS hauls 1. q, 2004 ICES OBI Conference Lena I. Larsen 29.11.04 – 01.12.04
data flow in DATRAS ICES OBI Conference Lena I. Larsen 29.11.04 – 01.12.04
standard output tables Whiting 1. q NS-IBTS,2004,1,1,44F0,164712,Gadus morhua,0.02,20.62,5.24,5.63,4.27,2.20 NS-IBTS,2004,1,1,44F1,164712,Gadus morhua,1.39,27.10,3.31,2.14,0.63,0.40 NS-IBTS,2004,1,1,45F0,164712,Gadus morhua,0.66,7.65,3.36,4.13,0.51,0 NS-IBTS,2004,1,1,45F1,164712,Gadus morhua,0.35,22.32,10.99,15.19,3.10,2.01 ICES OBI Conference Lena I. Larsen 29.11.04 – 01.12.04
access to data www.ices.dk ICES OBI Conference Lena I. Larsen 29.11.04 – 01.12.04