exeGesIS Spatial Data Management

 

Posts in Category: Ecology

Wales bait digging survey

Client: Natural Resources Wales

Bait diggingExegesis 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.

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Interactive web mappers for seabed habitats and marine protected areas

Client: JNCC

JNCC Marine mapperExegesis 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.

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Morfa Friog Coastal Realignment Project saltmarsh vegetation monitoring

Client: Natural Resources Wales

Morfa Friog saltmarsh monitoringExegesis 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.

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Gower hedgerow mapping

Client: City and County of Swansea Council

Mapping the Gower's hedgerowsWe 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.

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Wood-pasture and parkland data analysis

Client: Natural England

The saproxylic beetle Trypodendron signatum. © Mike Lush, 2016We 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.

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Production of a provisional inventory of Open Mosaic Habitat on Previously Developed Land in England

Client: Natural England

Open Mosaic Habitat inventory refinementExegesis 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.

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Marine Data & GI Specialist Advice Framework

Client: Natural England

Marine Data & GI Specialist Advice Framework for Natural EnglandExegesis 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.

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Common cord-grass Spartina anglica and its management in estuarine Natura 2000 sites

Client: Natural England

Spartina anglica in Natura 2000 sitesExegesis 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.

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Understanding the impact of invasive non-native species on protected sites

Client: Natural England

Invasive non-native species on protected sitesexeGesIS 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.

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Options for an inventory of Annex I habitats

Client: Natural England

Options for an inventory of Annex 1 habitatsExegesis 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.

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