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Baseline Monitoring Report The project “Stepping stones towards ensuring long-term favourable conservation status of Aquatic warbler in Lithuania” (LIFE MagniDucatusAcrola) No. LIFE15 NAT/LT/001024 is financed by the EU LIFE Programme, Ministry of Environment of the Republic of Lithuania and project partners. BASELINE MONITORING REPORT Compiled by: Gintaras Riauba Žymantas Morkvėnas Dr. Aleksandr Kozulin Dr. Žydrūnas Preikša Dr. Dalytė Matulevičiūtė Dr. Andrius Petrašiūnas Vilnius, 2018 Contents 1. Introduction ................................................................................................................................. 4 1.1. Project overview ........................................................................................................................................ 4 1.2. Aquatic Warbler (Acrocephalus paludicola) .................................................................................... 4 1.3. The Baseline monitoring report .......................................................................................................... 5 2. Executive summary ...................................................................................................................... 6 3. Summary of implementation ....................................................................................................... 9 3.1. Bird monitoring ......................................................................................................................................... 9 3.2. Vegetation monitoring ........................................................................................................................... 10 3.3. Monitoring of invertebrates ................................................................................................................ 11 3.4. Hydrological monitoring....................................................................................................................... 13 4. Project site LT/01-Tyrai .............................................................................................................. 15 4.1. Bird monitoring ....................................................................................................................................... 15 4.2. Vegetation monitoring ........................................................................................................................... 15 4.3. Monitoring of invertebrates ................................................................................................................ 43 4.4. Hydrological monitoring....................................................................................................................... 47 5. Project site LT/02-Apvardai ....................................................................................................... 49 5.1. Bird monitoring ....................................................................................................................................... 49 5.2. Vegetation monitoring ........................................................................................................................... 49 5.3. Monitoring of invertebrates ................................................................................................................ 75 5.4. Hydrological monitoring....................................................................................................................... 79 6. Project site LT/03-Zuvintas ........................................................................................................ 81 6.1. Bird monitoring ....................................................................................................................................... 81 6.2. Monitoring of invertebrates ................................................................................................................ 82 6.3. Hydrological monitoring....................................................................................................................... 86 7. Project site LT/04-Sysa/Sausgalviai ............................................................................................ 88 7.1. Bird monitoring ....................................................................................................................................... 88 7.2. Vegetation monitoring ........................................................................................................................... 89 7.3. Monitoring of invertebrates ................................................................................................................ 94 7.4. Hydrological monitoring....................................................................................................................... 99 8. BY/05-Dokudovskoe ................................................................................................................. 101 8.1. Bird monitoring .................................................................................................................................... 101 9. BY/06-Servech .......................................................................................................................... 102 9.1. Bird monitoring .................................................................................................................................... 102 9.2. Vegetation monitoring ........................................................................................................................ 102 9.3. Monitoring of invertebrates in the protected areas Servech and Zvanets ...................... 118 10. BY/07-Zvanets .......................................................................................................................... 134 10.1. Bird monitoring .................................................................................................................................... 134 10.2. Vegetation monitoring ........................................................................................................................ 136 10.3. Chemical composition of surface water ....................................................................................... 150 10.4. Hydrological monitoring.................................................................................................................... 151 11. Concluding remarks ................................................................................................................. 154 11.1. Summary of the results of bird monitoring ..................................................................................... 154 11.2. Summary of the results of vegetation research in project sites in Lithuania ............... 156 11.3. Chemical composition of the surface water .................................................................................... 157 11.4. Summary of the results of Invertebrate monitoring .................................................................. 161 2 Annexes ............................................................................................................................................ 172 Annex 1. Field datasheets with parameters of habitat structure assessed during the census of Aquatic Warbler .................................................................................................................................................. 173 Annex 2. Data on monitoring of other target bird species. .................................................................. 180 Annex 3. Lists of breeding birds in the project sites. ............................................................................. 184 3 1. Introduction 1.1. Project overview The project “Stepping stones towards ensuring long-term favourable conservation status of Aquatic Warbler in Lithuania” (LIFE MagniDucatusAcrola) No. LIFE15 NAT/LT/001024 is financed by the EU LIFE Programme, Ministry of Environment of the Republic of Lithuania and project partners. Main objectives of the project are: • Reduction of fragmentation of Aquatic Warbler breeding habitats in Lithuania and Belarus and stimulation of connectivity between isolated population; • Development and application of new conservation measures; • Setting up long-term socioeconomic preconditions to maintain AW breeding habitats. Concrete conservation actions, such as removal of reed and scrub, management of water or rehabilitation of exploited peatland, are implemented in 4 project sites in Lithuania and 3 project sites in the Republic of Belarus (Fig. 1). Total area of the project sites 20 509 ha. In order to assess the impact of management activities on the populations of Aquatic Warbler and the habitats suitable for this species, monitoring of birds, invertebrates, vegetation and hydrological regime will be carried out in all project areas. A summary of the monitoring data collected during the first year of the project is presented in this baseline monitoring report. Fig. 1. General map of the project sites 1.2. Aquatic Warbler (Acrocephalus paludicola) Formerly common and widespread species in Europe, during the last century Aquatic Warbler disappeared from many European countries. Nowadays its global population is estimated to be about 10 000 singing males, which regularly being recorded in less than 40 sites. Few years ago Aquatic 4 warbler regularly bred in 6 countries – Belarus, Germany, Poland, Ukraine, Hungary and Lithuania, irregularly in Russia and Latvia. However, since 2011 birds were not recorded breeding
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