UK ECN site. Allt a'Mharcaidh is a stream site on the western flank of the Cairngorm Mountains. The catchment area is 998ha and it drains to the River Feshie, a tributary of the River Spey. The catchment rises from 325m at the sampling site to 1111m and is covered by alpine and peaty podsols (60%) and blanket peat (40%). The underlying geology is intrusive biotite-granite of the Lower Old Red Sandstone age. Vegetation is characterised by a heather/fescue grass mixture (90%) with native pinewoods (c. 2%) interspersed along the lowest reaches. The catchment comprises part of the Cairngorm National Nature Reserve and land-use is confined to deer grazing. The stream gradient is steep and exposed bedrock, rapids and waterfalls and large boulders characterise the monitored channel section. Note: this site is a single point sampling location (gauging station) on a river. The shape file indicates the whole river catchment.The stream site is nested within the Cairngorms National Park LTSER site (http://data.lter-europe.net/deims/site/LTER_EU_UK_059), which also contains the Cairngorms terrestrial ECN site.

Water temperature data from selected UK Environmental Change Network (ECN) freshwater sites (lakes, rivers, streams). These data are collected at ECN's freshwater sites in accordance with the ECN Surface Water Chemistry & Quality protocol: http://www.ecn.ac.uk/measurements/freshwater/fwc-fwa. Surface water temperatures are recorded by hand-held thermometers at the freshwater chemistry sampling point when water samples are collected. The temporal range varies from site-to-site (earliest record from 1975, latest from 2012). ECN (www.ecn.ac.uk) is the UK's long-term environmental monitoring programme. It is a multi-agency programme sponsored by a consortium of fourteen government departments and agencies. These organisations contribute to the programme through funding either site monitoring and/or network co-ordination activities. They are: Agri-Food and Biosciences Institute, Biotechnology and Biological Sciences Research Council, Cyfoeth Naturiol Cymru - Natural Resources Wales, Defence Science & Technology Laboratory, Department for Environment, Food and Rural Affairs, Environment Agency, Forestry Commission, Llywodraeth Cymru - Welsh Government, Natural England, Natural Environment Research Council, Northern Ireland Environment Agency, Scottish Environment Protection Agency, Scottish Government and Scottish Natural Heritage. The organisations providing the data included in the file are: Centre for Ecology & Hydrology, Environment Agency, James Hutton Institute, ENSIS Ltd (University College London) and Scottish Environment Protection Agency.

Water temperature data from selected UK Environmental Change Network (ECN) freshwater sites (lakes, rivers, streams). These data are collected at ECN's freshwater sites in accordance with the ECN Surface Water Chemistry & Quality protocol: http://www.ecn.ac.uk/measurements/freshwater/fwc-fwa. Surface water temperatures are recorded by hand-held thermometers at the freshwater chemistry sampling point when water samples are collected. The temporal range varies from site-to-site (earliest record from 1975, latest from 2012). ECN (www.ecn.ac.uk) is the UK's long-term environmental monitoring programme. It is a multi-agency programme sponsored by a consortium of fourteen government departments and agencies. These organisations contribute to the programme through funding either site monitoring and/or network co-ordination activities. They are: Agri-Food and Biosciences Institute, Biotechnology and Biological Sciences Research Council, Cyfoeth Naturiol Cymru - Natural Resources Wales, Defence Science & Technology Laboratory, Department for Environment, Food and Rural Affairs, Environment Agency, Forestry Commission, Llywodraeth Cymru - Welsh Government, Natural England, Natural Environment Research Council, Northern Ireland Environment Agency, Scottish Environment Protection Agency, Scottish Government and Scottish Natural Heritage. The organisations providing the data included in the file are: Centre for Ecology & Hydrology, Environment Agency, James Hutton Institute, ENSIS Ltd (University College London) and Scottish Environment Protection Agency.

Water temperature data from selected UK Environmental Change Network (ECN) freshwater sites (lakes, rivers, streams). These data are collected at ECN's freshwater sites in accordance with the ECN Surface Water Chemistry & Quality protocol: http://www.ecn.ac.uk/measurements/freshwater/fwc-fwa. Surface water temperatures are recorded by hand-held thermometers at the freshwater chemistry sampling point when water samples are collected. The temporal range varies from site-to-site (earliest record from 1975, latest from 2012). ECN (www.ecn.ac.uk) is the UK's long-term environmental monitoring programme. It is a multi-agency programme sponsored by a consortium of fourteen government departments and agencies. These organisations contribute to the programme through funding either site monitoring and/or network co-ordination activities. They are: Agri-Food and Biosciences Institute, Biotechnology and Biological Sciences Research Council, Cyfoeth Naturiol Cymru - Natural Resources Wales, Defence Science & Technology Laboratory, Department for Environment, Food and Rural Affairs, Environment Agency, Forestry Commission, Llywodraeth Cymru - Welsh Government, Natural England, Natural Environment Research Council, Northern Ireland Environment Agency, Scottish Environment Protection Agency, Scottish Government and Scottish Natural Heritage. The organisations providing the data included in the file are: Centre for Ecology & Hydrology, Environment Agency, James Hutton Institute, ENSIS Ltd (University College London) and Scottish Environment Protection Agency.

Water temperature data from selected UK Environmental Change Network (ECN) freshwater sites (lakes, rivers, streams). These data are collected at ECN's freshwater sites in accordance with the ECN Surface Water Chemistry & Quality protocol: http://www.ecn.ac.uk/measurements/freshwater/fwc-fwa. Surface water temperatures are recorded by hand-held thermometers at the freshwater chemistry sampling point when water samples are collected. The temporal range varies from site-to-site (earliest record from 1975, latest from 2012). ECN (www.ecn.ac.uk) is the UK's long-term environmental monitoring programme. It is a multi-agency programme sponsored by a consortium of fourteen government departments and agencies. These organisations contribute to the programme through funding either site monitoring and/or network co-ordination activities. They are: Agri-Food and Biosciences Institute, Biotechnology and Biological Sciences Research Council, Cyfoeth Naturiol Cymru - Natural Resources Wales, Defence Science & Technology Laboratory, Department for Environment, Food and Rural Affairs, Environment Agency, Forestry Commission, Llywodraeth Cymru - Welsh Government, Natural England, Natural Environment Research Council, Northern Ireland Environment Agency, Scottish Environment Protection Agency, Scottish Government and Scottish Natural Heritage. The organisations providing the data included in the file are: Centre for Ecology & Hydrology, Environment Agency, James Hutton Institute, ENSIS Ltd (University College London) and Scottish Environment Protection Agency.