The main task of the Fish Resource Research Department is to ensure the implementation of Latvia National fisheries and Aquaculture Data Collection Working Plan when performing scientific assessment of fish resources, including the organisation and implementation of hydro-acoustic accounting of mid-water fish and trawls of groundfish as well as by collecting and analysing biological and fishing data regarding catch of internationally regulated species of fish as well as about economic and social condition of fisheries, fish product processing and aquaculture sectors.
Methods of collecting and processing of biological material
Baltic cod otolith collection protocol and age determination method
Baltic sprat age determination methodology
Age determination method of Baltic flatfishes
Collection and processing of pelagic fishes’ biological material
Manual for age determination of Baltic herring
Sampling and treatment of Ichthyoplankton samples
Method for Sampling, Analysis, and Data Processing of Zooplankton Samples
Method for determining age and biological parameters of Round Goby
Methods for Collecting and Processing Oceanographic and Meteorological Data
Methods of collecting of biological material from commercial fishery
Methodology for randomly collecting biological samples from fishing vessels
Handbook for observers Working on Latvian Fishing Vessels in the Baltic Sea
Collection of biological material from cod during commercial fishing trips
The collection of flounder biological material from commercial fishing trips
The assessment of precision levels for biological material collected during commercial fishing trips
Methodology for monitoring’s carried out additionally
Monitoring of cetaceans and PETS species bycatch in pelagic trawl fishery
Collection of Information of Recreational Fishing at Sea
Guidelines for Shore-Based Flounder Recreational Fishing Survey
European river lamprey Lampetra fluviatilis larvae monitoring – method description and protocol
Methodology of conduction of scientific surveys
Vadlīnijas Baltijas jūras starptautiskajai bentisko zivju uzskaitei (BITS)
Guidelines for Coastal Fish Monitoring (CFM)
Guidelines for flatfish juveniles survey using beach seine (LFJS)
Guidelines for Conducting Benthic Fish Surveys in Gulf of Riga (GORDEM)
Guidelines for Scientific Survey of Turbot (STS)
Methodology for collection, analysis and processing of zooplankton samples
Methodology for collection, analysis and data processing of zoobenthos samples
Guidelines for ichthyoplankton survey in the open part of the Baltic Proper
Methods for sampling, analyzing and processing data of nektobenthos
Data collected during scientific surveys
The amount of biological material collected in scientific surveys