Wales bait digging survey Client: Natural Resources Wales Exegesis were contracted to establish whether aerial imagery from UAVs could be used to investigate the spatial and temporal extent of bait digging at selected sites in Wales. ... read more May 2020. Categories: 3D analysis Biodiversity Data analysis Ecology GIS Habitat map Habitat survey Marine data mini-plane Spatial data capture
Interactive web mappers for seabed habitats and marine protected areas Client: JNCC Exegesis developed a new mapping system to display marine spatial data, consisting of a web interface for configuring the mapper and a modern and feature-rich web application for displaying maps. ... read more May 2019. Categories: Ecology GIS Habitat map Marine data Web map
Morfa Friog Coastal Realignment Project saltmarsh vegetation monitoring Client: Natural Resources Wales Exegesis was contracted to establish vegetation monitoring at a saltmarsh coastal realignment site. This required the collection of high resolution aerial imagery, quadrat based vegetation survey, mapping in GIS and production of a detailed report. ... read more January 2019. Categories: 3D analysis Biodiversity Data analysis Ecology GIS Habitat map Habitat survey mini-plane Spatial data capture
Gower hedgerow mapping Client: City and County of Swansea Council We created a hedgerow map for the Gower based upon Ordnance Survey MasterMap and aerial photograph interpretation. The resulting dataset contained 22,370 features of which 17,013 were thought to be hedges. ... read more January 2017. Categories: Biodiversity Ecology GIS Habitat inventory Habitat map Spatial data capture
Wood-pasture and parkland data analysis Client: Natural England We demonstrated through spatial processing and statistical analysis that it may be possible to predict wood pasture and parkland quality. This project generated a model that could be used to target survey effort to those sites with the highest predicted quality. ... read more April 2016. Categories: Biodiversity Data analysis Data processing Desk research Ecology GIS Invertebrate survey Statistical analysis
Production of a provisional inventory of Open Mosaic Habitat on Previously Developed Land in England Client: Natural England Exegesis were contracted to create and refine a complete provisional inventory of Open Mosaic Habitat (OMH) in England. We used a combination of available data sources and aerial photograph interpretation to accurately map possible OMH, also capturing information on the confidence that OMH was present. ... read more December 2014. Categories: Biodiversity Brownfield Ecology GIS Habitat inventory Spatial data capture
Marine Data & GI Specialist Advice Framework Client: Natural England Exegesis quickly and efficiently standardised existing polygon data to MESH Translated Habitat DEF using a range of tools within ArcGIS, QGIS, GRASS and MapInfo. We also imported survey data into Marine Recorder following expert analysis of the data to determine biotopes. ... read more December 2014. Categories: Biodiversity Data processing Data translation Ecology GIS Marine data
Common cord-grass Spartina anglica and its management in estuarine Natura 2000 sites Client: Natural England Exegesis were contracted to undertake a review of Spartina anglica in England’s Natura 2000 Sites. This covered its impacts on designated features, effects on accretion and erosion, distribution and extent, and a review of control techniques. A protocol was developed to monitor S. anglica and help identify any negative impact. ... read more October 2014. Categories: Data analysis Desk research Ecology GIS Habitat map Habitat survey Invasive species Literature review Marine data Survey methodology development
Understanding the impact of invasive non-native species on protected sites Client: Natural England exeGesIS were contracted to investigate the distribution of non-native species on protected sites in England, to help develop a programme of work to tackle Invasive Non-Native Species. Large scale data analysis was used to determine which protected site each species occurred within. We also reviewed data flow within Natural England. ... read more August 2014. Categories: Biodiversity Data analysis Data processing Data translation Ecology GIS Invasive species
Options for an inventory of Annex I habitats Client: Natural England Exegesis investigated the options for creating an Annex I habitat inventory for England. This involved a review of approaches taken by other European Union countries and the data available in the UK. A recommended approach was suggested, along with the provision of prototype inventories to show potential coverage. ... read more March 2014. Categories: Biodiversity Data processing Desk research Ecology GIS Habitat inventory