Bagenal, T.B., 1979 EIFAC fishing gear intercalibration experiments. EIFAC Tech.Pap., (34):87 p.
Dahm, E., 1980 Sampling with active gear. EIFAC Tech.Pap., (33):71–89
Mathisen, O.E., 1980 Acoustic stock assessment. EIFAC Tech.Pap., (33):115–42
Nédélec, C.(ed), 1975 Catalogue of small-scale fishing gear. Catalogue des engins de pêche artisanale. Catálogo de artes de pesca artesanal. West Byfleet, Surrey, Fishing News (Books) Ltd., for FAO, 191 p.
Steinberg, R. and E. Dahm, 1975 The use of the two-boat bottom and midwater trawls in inland waters: experiences in the German fishery. EIFAC Tech.Pap., (23) Suppl.1, Vol. 1., 23–35
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Figure 1 Map of Konnevesi with inset showing its location in Finland (X). Inset scale = 200 km | Figure 2 Chart of North Konnevesi. The sampling area is cross hatched. |
DAY-NIGHT MIGRATION OF VENDACE, COREGONUS ALBULA, AND SMELT, OSMERUS EPERLANUS, IN KONNEVESI, FINLAND 6 TH SEPTEMBER 1980.
Figure 3 Echotrace of North-South traverse of the sampling area.
Figure 4 Schematic drawing of the V-fin on which the echo sounder transducer was mounted.
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Figure 5 Estimates of fish per 1 000 m3 from volumes filtered by the trawls and from acoustic surveys. = Young Fish Trawl = Commercial Vendace Trawl | Figure 6 Percentage length frequency histogram from trawl hauls 3 and 4 on 5–6 September 1980 (lower) and target strength histogram from the acoustic survey on the same date and approximately same depths. |
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Figure 7 Percentage length frequency histogram from trawl hauls 6 and 8 on 7–8 September 1980 (lower) and target strength histogram from the acoustic survey on the same date and at the same depth (upper). | Figure 8 Percentage length frequency histogram from trawl hauls 12 and 13 on 8–9 September 1980 (lower) and the target strength histogram from the acoustic survey on the same date and at the same depth (upper). |
PAPERS ISSUED IN THE SERIES “EIFAC OCCASIONAL PAPERS”
| EIFAC/OP 1 | Summary of the organized discussion on the economic evaluation of sport fishing (1968) |
| EIFAC/OP 2 | Bibliography on nutritional requirements of salmonoid fishes (1968) |
| EIFAC/OP 3 | Application of electricity to freshwater fishery management and development in Ireland (1969) |
| EIFAC/OP 4 | The fisheries of Romania and Romanian fishing (1970) (in French only) |
| EIFAC/OP 5 | Potential uses of waste waters and heated effluents (1971) |
| EIFAC/OP 6 | Investigation of a method for comparing the efficiency of portable fishing machines (1973) |
| EIFAC/OP 7 | Economic issues and opportunities facing Europe in the field of sport fisheries (1973) |
| EIFAC/OP 8 | Pond fish culture in Czechoslovakia (1973) |
| EIFAC/OP 9 | A review of feeding equipment in fish culture (1973) |
| EIFAC/OP 10 | Bibliography on nutritional requirements of warm water fishes (1975) (out of print) |
| EIFAC/OP 11 | Survey of ownership and utilization of inland fisheries in various European countries and Canada (1976) |
| EIFAC/OP 12 | Glossary of inland fishery terms (1978) |
| EIFAC/OP 13 | Historical review of EIFAC activities (1981) |
| EIFAC/OP 14 | EIFAC experiments on pelagic fish stock assessment by acoustic methods in Lake Konnevesi, Finland (1982) |
