255 datasets found

This data collates all the benthic invertebrate samples collected within Wales from 1988 onwards by Natural Resources Wales and former Environment Agency Wales under the Water...

Macrophytes (water plants visible to the naked eye) can indicate the impact of pressures such as increased nutrients, flow pressures, channel alterations etc. The species...

Freshwater macroinvertebrates are used as an indicator of water quality and river flow requirements due to the relative immobility and abundance. This dataset contains site,...

Freshwater macroinvertebrates are used as an indicator of water quality and Lake flow requirements due to the relative immobility and abundance. This dataset contains site,...

Freshwater fish are used as an indicator of stock status, water and habitat quality, artificial obstacles to migration and river flow requirements due to specific life-cycle...

Freshwater diatoms (phytobenthos) are free-living microscopic plants that form a biofilm on submerged substrates such as rock/stone or large plants. They are used as an...

Marine fish are used as an indicator of stock status, water and habitat quality. This dataset is made up of the species count and length values from the fish surveys conducted...

This data collates all the Phytoplankton samples collected within Wales from 2007 onwards by Natural Resources Wales and former Environment Agency Wales that are held within...

This layer identifies areas of Ancient Woodland and Parkland from which NRW hold recent, auditable records of N-sensitive lichens. Not all lichens are sensitive to increased...

This spatial dataset shows the areas which are excluded from General licences 001, 002 and 004 issued on 1st January 2024 by Natural Resources Wales to permit the killing of...

Working with Natural Processes (WWNP) Wider Catchment Woodland Potential is our best estimate of locations where there are slowly permeable soils, where scrub and tree planting...

This dataset comprises a range of land cover types where the woodland potential layers have been masked, owing to existing woodland, watercourses, peat, roads, rail and urban...

Working with Natural Processes (WWNP) Floodplain Reconnection Potential is our best estimate of locations where it may be possible to establish reconnection between a...

The records contain coordinate data associated with historic and expired marine licence applications in Wales. The data allows the location of applications to be mapped to...

The Welsh Outdoor Recreation Survey (WORS) provides information on participation in a wide range of outdoor activities, from climbing to picnics, which take place in all areas...

The General Quality Assessment (GQA) Headline Indicator scheme or GQAHI (previously known as GQA) was the national indicator for water quality in rivers and canals. It was...

This spatial dataset relates to Phase 3 (2013) and consists of 3 individual layers, being Points (individual trees), polygons (groups of trees) and urban extents (the extent of...

The records contain coordinate data associated with current marine licence applications in Wales. The location of disposal sites is also available. This data allows the...

The Historic UK Water Quality Sampling Harmonised Monitoring Scheme (HMS) dataset contains individual determinand results for all sites in the UK Harmonised Monitoring Scheme...

Water temperature data is collected for different reasons and in different locations. Time series of surface water temperatures can provide indicators of climate change and...