Electrofishing and Recording the “Trout Habitat Score” Tender

• Country: Germany
• Summary: Electrofishing and Recording the “Trout Habitat Score” (Ths) of Potential Salmonid Waters in the Catchment Areas of the Mecklenburg Bay and the Western Pomerania Bodd...
• DET Ref No: 141752933
• Deadline: 30 Jun 2026
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: Refer Document
• Notice Type: Tender
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• Description:
• Electrofishing and recording the “Trout Habitat Score” (THS) of potential salmonid waters in the catchment areas of the Mecklenburg Bay and the Western Pomeranian Bodden waters to determine the habitat-dependent Parr abundances The Mecklenburg-Western Pomerania State Research Institute for Agriculture and Fisheries collects data on the occurrence and reproductive capacity of sea trout in the state's running waters. This data is used to evaluate the Stock development is the basis for knowledge-based management and is intended to enable sustainable commercial and fishing use of stocks. These investigations are carried out in close coordination with the State Office for Agriculture and Fisheries (LALLF), to which the state stocking program is subordinate. In addition, individual bodies of water should also be fished that have not yet shown a stable or regular sea trout population, but will do so in the future Habitat improving measures should be considered. The achievement to be awarded is intended to determine the respective juvenile fish abundances (0+ and 0+) of sea trout and the Trout Habitat Score (THS), a qualitative classification of juvenile fish habitats representative water sections are included. The THS is determined in the field based on flow speed, shade, substrate composition, water depth and water width in accordance with the ICES specifications (SGBALANST 2011) (see appendix). The The juvenile fish abundance is recorded on 100 m fishing routes by determining the average width of the fishing route. This allows the calculation of a THS-dependent Parr abundance per / 100m2. These standardized abundances are determined submitted annually by the LFA to the ICES Baltic Sea Salmon and Sea Trout Working Group (WGBAST). Further information about sea trout monitoring can be found on the LFA project website. There you can...
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