Exegesis Spatial Data Management

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.

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.

Exegesis SDM were contracted by Bangor University to adapt the FishMap Mon data capture tool for ArcGIS so that they could use it to capture data for their Fisher Knowledge Questionnaire.
 

exeGesIS SDM undertook two projects for Cefas to create and update a bespoke Fishing Effort Toolkit that allowed end users to process raw GPS tracks and sighting data and undertake a standardised process to calculate fishing effort for one or more years.
 

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.

Exegesis undertook an aerial survey of a site and orthorectified and mosaicked the imagery to create a single image. We also generate a digital surface model, which was compared against lidar data to give the change in height. We then determined the volume of additional material within patches identified from the aerial photography.

Working closely together with Norfolk Landscape Archaeology we developed the Norfolk Heritage Explorer, a sophisticated website making Norfolk's rich Historic Environment Record data accessible to the public. The website has recently been given a facelift, becoming the first of our heritage websites to use the mojoPortal CMS.

exeGesIS collated maps of Green Infrastructure (GI) delivery and captured the information. Areas of UK priority habitats and other GI were separately mapped and attributed. In total, 753 cases were mapped amounting to 3,485 polygons (21,342 ha).
 

exeGesIS SDM created a set of MapBasic tools to analyse the distribution of fisheries habitats and fishing activity relative to Special Areas of Conservation (SAC) and SAC Features.

 

exeGesIS and Natural Resources Wales (NRW) undertook a 1,200 km survey of the Wales Coast Path prior to its opening. This was used to establish a baseline for the condition of the path and provide a resource for those responsible for its management. exeGesIS worked with NRW to establish the methodology for the survey.