The Experts below are selected from a list of 22620 Experts worldwide ranked by ideXlab platform
Tina Treude - One of the best experts on this subject based on the ideXlab platform.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine grained organic rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:Highlights • Polypropylene and biodegradable plastic bags were incubated in marine sediments. • Bacterial Colonization was highest on biodegradable plastic bags. • None of the two bag types showed signs of degradation after 98 days. • Marine sediments probably represent a long-term sink for both types of litter. Abstract To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernforde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine-grained organic-rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernförde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.
Alice Nauendorf - One of the best experts on this subject based on the ideXlab platform.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine grained organic rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:Highlights • Polypropylene and biodegradable plastic bags were incubated in marine sediments. • Bacterial Colonization was highest on biodegradable plastic bags. • None of the two bag types showed signs of degradation after 98 days. • Marine sediments probably represent a long-term sink for both types of litter. Abstract To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernforde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine-grained organic-rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernförde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.
Johannes Rousk - One of the best experts on this subject based on the ideXlab platform.
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bacterial and fungal Colonization and decomposition of submerged plant litter consequences for biogenic silica dissolution
FEMS Microbiology Ecology, 2016Co-Authors: Hanna Alfredsson, Wim Clymans, Johanna Stadmark, Daniel J Conley, Johannes RouskAbstract:We studied bacterial and fungal Colonization of submerged plant litter, using a known Si-accumulator (Equisetum arvense), in experimental microcosms during one month. We specifically addressed the Microbial decomposer role concerning biogenic silica (bSiO2) dissolution from the degrading litter. To vary the rates and level of Microbial Colonization, the litter was combined with a range of mineral nitrogen (N) and phosphorous (P) supplements. Overall Microbial growth on plant litter increased with higher levels of N and P. There was a tendency for higher bacterial than fungal stimulation with higher nutrient levels. Differences in Microbial Colonization of litter between treatments allowed us to test how Si remineralization from plants was influenced by Microbial litter decomposition. Contrary to previous results and expectations, we observed a general reduction in Si release from plant litter colonized by a Microbial community, compared with sterile control treatments. This suggested that Microbial growth resulted in a reduction in dissolved Si concentrations, and we discuss candidate mechanisms to explain this outcome. Hence, our results imply that the Microbial role in plant litter associated Si turnover is different from that commonly assumed based on bSiO2 dissolution studies in aquatic ecosystems. (Less)
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bacterial and fungal Colonization and decomposition of submerged plant litter consequences for biogenic silica dissolution
FEMS Microbiology Ecology, 2016Co-Authors: Hanna Alfredsson, Wim Clymans, Johanna Stadmark, Daniel J Conley, Johannes RouskAbstract:We studied bacterial and fungal Colonization of submerged plant litter, using a known Si-accumulator (Equisetum arvense), in experimental microcosms during one month. We specifically addressed the Microbial decomposer role concerning biogenic silica (bSiO2) dissolution from the degrading litter. To vary the rates and level of Microbial Colonization, the litter was combined with a range of mineral nitrogen (N) and phosphorous (P) supplements. Overall Microbial growth on plant litter increased with higher levels of N and P. There was a tendency for higher relative bacterial than fungal stimulation with higher nutrient levels. Differences in Microbial Colonization of litter between treatments allowed us to test how Si remineralization from plants was influenced by Microbial litter decomposition. Contrary to previous results and expectations, we observed a general reduction in Si release from plant litter colonized by a Microbial community, compared with sterile control treatments. This suggested that Microbial growth resulted in a reduction of dissolved Si concentrations, and we discuss candidate mechanisms to explain this outcome. Hence, our results imply that the Microbial role in plant litter associated Si turnover is different from that commonly assumed based on bSiO2 dissolution studies in aquatic ecosystems.
Nikolaus K. Bigalke - One of the best experts on this subject based on the ideXlab platform.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine grained organic rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:Highlights • Polypropylene and biodegradable plastic bags were incubated in marine sediments. • Bacterial Colonization was highest on biodegradable plastic bags. • None of the two bag types showed signs of degradation after 98 days. • Marine sediments probably represent a long-term sink for both types of litter. Abstract To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernforde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine-grained organic-rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernförde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.
Elena V Gorb - One of the best experts on this subject based on the ideXlab platform.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine grained organic rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:Highlights • Polypropylene and biodegradable plastic bags were incubated in marine sediments. • Bacterial Colonization was highest on biodegradable plastic bags. • None of the two bag types showed signs of degradation after 98 days. • Marine sediments probably represent a long-term sink for both types of litter. Abstract To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernforde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.
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Microbial Colonization and degradation of polyethylene and biodegradable plastic bags in temperate fine-grained organic-rich marine sediments
Marine Pollution Bulletin, 2016Co-Authors: Alice Nauendorf, Nikolaus K. Bigalke, Elena V Gorb, Martin Wahl, Matthias Haeckel, Stanislav N Gorb, Stefan Krause, Tina TreudeAbstract:To date, the longevity of plastic litter at the sea floor is poorly constrained. The present study compares Colonization and biodegradation of plastic bags by aerobic and anaerobic benthic microbes in temperate fine-grained organic-rich marine sediments. Samples of polyethylene and biodegradable plastic carrier bags were incubated in natural oxic and anoxic sediments from Eckernförde Bay (Western Baltic Sea) for 98 days. Analyses included (1) Microbial Colonization rates on the bags, (2) examination of the surface structure, wettability, and chemistry, and (3) mass loss of the samples during incubation. On average, biodegradable plastic bags were colonized five times higher by aerobic and eight times higher by anaerobic microbes than polyethylene bags. Both types of bags showed no sign of biodegradation during this study. Therefore, marine sediment in temperate coastal zones may represent a long-term sink for plastic litter and also supposedly compostable material.