Epilithic biofilm, water chemistry and catchment data collected from lakes and streams in South Greenland in August 2022
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| Autores principales: | , , , , , |
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
| Publicado: |
PANGAEA
2026
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| _version_ | 1867168577911521280 |
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| author | Moedt, Sanne M Riis, Tenna Jacobsen, Dean Geertz-Hansen, Ole Martinsen, Kenneth T Christoffersen, Kirsten Seestern |
| author_facet | Moedt, Sanne M Riis, Tenna Jacobsen, Dean Geertz-Hansen, Ole Martinsen, Kenneth T Christoffersen, Kirsten Seestern |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | This dataset contains measurements of physico-chemical parameters, biofilm, and watershed characteristics from subarctic lakes and streams in the Narsaq area, Greenland, collected in August 2022. Water samples were collected and analyzed for temperature, conductivity, alkalinity, and nutrient concentrations. Biofilm samples were collected from stones, with chlorophyll a (Chl a), ash-free dry weight (AFDW), and carbon-to-nitrogen (C:N) ratios measured. Algal pigments were analyzed using HPLC for taxonomic composition. Watershed delineation was performed using a digital elevation model (DEM), and vegetation greenness was quantified via the normalized difference vegetation index (NDVI) using Sentinel-2 satellite imagery. This dataset contributes to understanding the environmental drivers of biofilm biomass and community composition in Arctic freshwater ecosystems. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_974506 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Epilithic biofilm, water chemistry and catchment data collected from lakes and streams in South Greenland in August 2022 Moedt, Sanne M Riis, Tenna Jacobsen, Dean Geertz-Hansen, Ole Martinsen, Kenneth T Christoffersen, Kirsten Seestern Biofilms; freshwater; Greenland; water chemistry This dataset contains measurements of physico-chemical parameters, biofilm, and watershed characteristics from subarctic lakes and streams in the Narsaq area, Greenland, collected in August 2022. Water samples were collected and analyzed for temperature, conductivity, alkalinity, and nutrient concentrations. Biofilm samples were collected from stones, with chlorophyll a (Chl a), ash-free dry weight (AFDW), and carbon-to-nitrogen (C:N) ratios measured. Algal pigments were analyzed using HPLC for taxonomic composition. Watershed delineation was performed using a digital elevation model (DEM), and vegetation greenness was quantified via the normalized difference vegetation index (NDVI) using Sentinel-2 satellite imagery. This dataset contributes to understanding the environmental drivers of biofilm biomass and community composition in Arctic freshwater ecosystems. |
| title | Epilithic biofilm, water chemistry and catchment data collected from lakes and streams in South Greenland in August 2022 |
| topic | Biofilms; freshwater; Greenland; water chemistry |
| url | https://doi.org/10.1594/PANGAEA.974506 |