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Fish species and production in Welsh rivers along a biodiversity gradient (2012 - 2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This dataset consists of fish species, fish length and fish weight from samples taken from small and medium catchments across Wales. Samples were collected in the summers and autumns of 2012 and...

Taxonomy for macroinvertebrates in Welsh upland rivers (2012-2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are for macroinvertebrate taxonomy and abundance of Welsh upland rivers. The sampling sites were located in small and medium catchments across Wales. Sampling took place in either spring...

Cellulolytic decomposition in Welsh upland rivers in response to organic matter addition (2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are cellulolytic decomposition in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to riparian deciduous leaf addition. Eight sampling...

Macroinvertebrate leaf decomposers in response to organic matter addition to streams in the Welsh uplands (2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are macroinvertebrate composition and abundance in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to riparian deciduous leaf addition....

Water chemistry of Welsh upland rivers (2012-2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data consist of stream water chemistry for selected Welsh upland rivers. The sampling sites were located in sixty one small and medium catchments. Catchments were chosen from the Welsh Acid...

Algal primary production of Welsh upland rivers in response to organic matter addition (2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are algal production values in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to riparian deciduous leaf addition. Eight sampling reaches...

Benthic organic matter of Welsh upland rivers in response to organic matter addition (2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are benthic organic matter stocks of coarse and fine particulate organic matter in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to...

Suspended organic matter stocks of Welsh upland rivers in response to organic matter addition (2012-2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are suspended organic matter stocks of coarse and fine particulate organic matter in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to...

Leaf litter decomposition in Welsh upland rivers in response to organic matter addition (2012 - 2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are leaf litter decomposition rate in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to riparian deciduous leaf addition. Eight sampling...

Macroinvertebrate composition of Welsh upland rivers in response to organic matter addition (2013)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data are macroinvertebrate composition and size in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to riparian deciduous leaf addition. Eight...

Molecular analysis of freshwater bacterial biofilm communities under experimentally manipulated dissolved organic carbon regimes at Llyn Brianne (2014)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

These data consist of raw 16S rRNA gene sequences for the bacterial communities in three upland Welsh river sites under different treatments. A mapping file with metadata for each sample is...