Survey Details - UCD Invasive Ecology Lab Himalayan balsam records for the River Liffey 2021
        
                
                UCD Invasive Ecology Lab Himalayan balsam records for the River Liffey 2021
            
            
                
                Himalayan balsam records for the River Liffey for 2021.
            
            
                
                2021
            
            
                
                2021
            
            
                
                Comprehensive survey of Himalayan balsam on the River Liffey
            
            
                
                Kayak and canoe survey / Visual observation
            
            
                
                River Liffey
            
            
                
                Collated in Rstudio and co-ordinates checked for errors in QGIS.
            
            
                
                Data provider: Jan-Robert Baars / UCD Invasive Ecology Lab / AQUENS Ltd.
            
            
                
                
                    Collated by the National Biodiversity Data Centre from different sources, National Invasive Species Database, Survey: UCD Invasive Ecology Lab Himalayan balsam records for the River Liffey 2021, National Biodiversity Data Centre, Ireland, accessed 04 November 2025, <https://maps.biodiversityireland.ie/Dataset/397/Survey/1667>
                
            
        Survey Statistics
        
                
                1941
            
            
                
                0
            
            
                
                1
            
        Survey species distribution
        Terrestrial Map - 10km
Distribution of the number of species recorded within each 10km grid square (ITM).Marine Map - 50Km
Distribution of the number of species recorded within each 50km grid square (WGS84).Survey records distribution
        Terrestrial Map - 10km
Distribution of the number of records within each 10km grid square (ITM).Marine Map - 50Km
Distribution of the number of records within each 50km grid square (WGS84).Records per year
                Species per year