Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration
Increases in the terrestrial export of dissolved organic carbon (C) to rivers may be associated with additional loading of organic nitrogen (N) and phosphorus (P) to the coastal zone. However, little is known about how these resources interact in the regulation of heterotrophic bacterioplankton meta...
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Online Access: | https://lup.lub.lu.se/record/80ddef49-b5d3-4758-841e-40cb9a35a2c4 https://doi.org/10.1007/s00248-017-1115-7 |
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ftulundlup:oai:lup.lub.lu.se:80ddef49-b5d3-4758-841e-40cb9a35a2c4 2024-02-11T10:07:11+01:00 Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration Soares, Ana R.A. Kritzberg, Emma S. Custelcean, Ioana Berggren, Martin 2018-07-01 https://lup.lub.lu.se/record/80ddef49-b5d3-4758-841e-40cb9a35a2c4 https://doi.org/10.1007/s00248-017-1115-7 eng eng Springer https://lup.lub.lu.se/record/80ddef49-b5d3-4758-841e-40cb9a35a2c4 http://dx.doi.org/10.1007/s00248-017-1115-7 scopus:85038351884 pmid:29255936 Microbial Ecology; 76(1), pp 144-155 (2018) ISSN: 0095-3628 Microbiology Ecology Bacterial metabolism Bacterial production Bacterial respiration Nutrient interactions Nutrient limitation Terrestrial dissolved organic matter contributiontojournal/article info:eu-repo/semantics/article text 2018 ftulundlup https://doi.org/10.1007/s00248-017-1115-7 2024-01-17T23:29:12Z Increases in the terrestrial export of dissolved organic carbon (C) to rivers may be associated with additional loading of organic nitrogen (N) and phosphorus (P) to the coastal zone. However, little is known about how these resources interact in the regulation of heterotrophic bacterioplankton metabolism in boreal coastal ecosystems. Here, we measured changes in bacterioplankton production (BP) and respiration (BR) in response to full-factorial (C, N, and P) enrichment experiments at two sites within the Öre estuary, northern Sweden. The BR was stimulated by single C additions and further enhanced by combined additions of C and other nutrients. Single addition of N or P had no effect on BR rates. In contrast, BP was primarily limited by P at the site close to the river mouth and did not respond to C or N additions. However, at the site further away from the near the river mouth, BP was slightly stimulated by single additions of C. Possibly, the natural inflow of riverine bioavailable dissolved organic carbon induced local P limitation of BP near the river mouth, which was then exhausted and resulted in C-limited BP further away from the river mouth. We observed positive interactions between all elements on all responses except for BP at the site close to the river mouth, where P showed an independent effect. In light of predicted increases in terrestrial P and C deliveries, we expect future increases in BP and increases of BR of terrestrially delivered C substrates at the Öre estuary and similar areas. Article in Journal/Newspaper Northern Sweden Lund University Publications (LUP) Microbial Ecology 76 1 144 155 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Microbiology Ecology Bacterial metabolism Bacterial production Bacterial respiration Nutrient interactions Nutrient limitation Terrestrial dissolved organic matter |
spellingShingle |
Microbiology Ecology Bacterial metabolism Bacterial production Bacterial respiration Nutrient interactions Nutrient limitation Terrestrial dissolved organic matter Soares, Ana R.A. Kritzberg, Emma S. Custelcean, Ioana Berggren, Martin Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration |
topic_facet |
Microbiology Ecology Bacterial metabolism Bacterial production Bacterial respiration Nutrient interactions Nutrient limitation Terrestrial dissolved organic matter |
description |
Increases in the terrestrial export of dissolved organic carbon (C) to rivers may be associated with additional loading of organic nitrogen (N) and phosphorus (P) to the coastal zone. However, little is known about how these resources interact in the regulation of heterotrophic bacterioplankton metabolism in boreal coastal ecosystems. Here, we measured changes in bacterioplankton production (BP) and respiration (BR) in response to full-factorial (C, N, and P) enrichment experiments at two sites within the Öre estuary, northern Sweden. The BR was stimulated by single C additions and further enhanced by combined additions of C and other nutrients. Single addition of N or P had no effect on BR rates. In contrast, BP was primarily limited by P at the site close to the river mouth and did not respond to C or N additions. However, at the site further away from the near the river mouth, BP was slightly stimulated by single additions of C. Possibly, the natural inflow of riverine bioavailable dissolved organic carbon induced local P limitation of BP near the river mouth, which was then exhausted and resulted in C-limited BP further away from the river mouth. We observed positive interactions between all elements on all responses except for BP at the site close to the river mouth, where P showed an independent effect. In light of predicted increases in terrestrial P and C deliveries, we expect future increases in BP and increases of BR of terrestrially delivered C substrates at the Öre estuary and similar areas. |
format |
Article in Journal/Newspaper |
author |
Soares, Ana R.A. Kritzberg, Emma S. Custelcean, Ioana Berggren, Martin |
author_facet |
Soares, Ana R.A. Kritzberg, Emma S. Custelcean, Ioana Berggren, Martin |
author_sort |
Soares, Ana R.A. |
title |
Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration |
title_short |
Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration |
title_full |
Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration |
title_fullStr |
Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration |
title_full_unstemmed |
Bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration |
title_sort |
bacterioplankton responses to increased organic carbon and nutrient loading in a boreal estuary—separate and interactive effects on growth and respiration |
publisher |
Springer |
publishDate |
2018 |
url |
https://lup.lub.lu.se/record/80ddef49-b5d3-4758-841e-40cb9a35a2c4 https://doi.org/10.1007/s00248-017-1115-7 |
genre |
Northern Sweden |
genre_facet |
Northern Sweden |
op_source |
Microbial Ecology; 76(1), pp 144-155 (2018) ISSN: 0095-3628 |
op_relation |
https://lup.lub.lu.se/record/80ddef49-b5d3-4758-841e-40cb9a35a2c4 http://dx.doi.org/10.1007/s00248-017-1115-7 scopus:85038351884 pmid:29255936 |
op_doi |
https://doi.org/10.1007/s00248-017-1115-7 |
container_title |
Microbial Ecology |
container_volume |
76 |
container_issue |
1 |
container_start_page |
144 |
op_container_end_page |
155 |
_version_ |
1790605348625711104 |