scholarly journals Riverine transport of biogenic elements to the Baltic Sea – past and possible future perspectives

2007 ◽  
Vol 11 (5) ◽  
pp. 1593-1607 ◽  
Author(s):  
C. Humborg ◽  
C.-M. Mörth ◽  
M. Sundbom ◽  
F. Wulff
Keyword(s):  
Global Warming ◽  
Baltic Sea ◽  
Sewage Treatment ◽  
Agricultural Practices ◽  
Optimal Growth ◽  
Biogenic Elements ◽  
Nutrient Inputs ◽  
The Baltic Sea ◽  
Soil Infiltration ◽  
The Baltic

Abstract. The paper reviews critical processes for the land-sea fluxes of biogenic elements (C, N, P, Si) in the Baltic Sea catchment and discusses possible future scenarios as a consequence of improved sewage treatment, agricultural practices and increased hydropower demand (for N, P and Si) and of global warming, i.e., changes in hydrological patterns (for C). These most significant drivers will not only change the total amount of nutrient inputs and fluxes of organic and inorganic forms of carbon to the Baltic Sea, their ratio (C:N:P:Si) will alter as well with consequences for phytoplankton species composition in the Baltic Sea. In summary, we propose that N fluxes may increase due to higher livestock densities in those countries recently acceded to the EU, whereas P and Si fluxes may decrease due to an improved sewage treatment in these new EU member states and with further damming and still eutrophic states of many lakes in the entire Baltic Sea catchment. This might eventually decrease cyanobacteria blooms in the Baltic but increase the potential for other nuisance blooms. Dinoflagellates could eventually substitute diatoms that even today grow below their optimal growth conditions due to low Si concentrations in some regions of the Baltic Sea. C fluxes will probably increase from the boreal part of the Baltic Sea catchment due to the expected higher temperatures and heavier rainfall. However, it is not clear whether dissolved organic carbon and alkalinity, which have opposite feedbacks to global warming, will increase in similar amounts, because the spring flow peak will be smoothed out in time due to higher temperatures that cause less snow cover and deeper soil infiltration.

scholarly journals Riverine transport of biogenic elements to the Baltic Sea – past and possible future perspectives

2007 ◽  
Vol 4 (3) ◽  
pp. 1095-1131 ◽  
Author(s):  
C. Humborg ◽  
C.-M. Mörth ◽  
M. Sundbom ◽  
F. Wulff
Keyword(s):  
Global Warming ◽  
Baltic Sea ◽  
Sewage Treatment ◽  
Agricultural Practices ◽  
Optimal Growth ◽  
Biogenic Elements ◽  
Nutrient Inputs ◽  
The Baltic Sea ◽  
Soil Infiltration ◽  
The Baltic

Abstract. The paper reviews critical processes for the land-sea fluxes of biogenic elements (C, N, P, Si) in the Baltic Sea catchment and discusses possible future scenarios as a consequence of improved sewage treatment, agricultural practices, increased hydropower demand and global warming, i.e., changes in hydrological patterns. These most significant drivers will not only change the total amount of nutrient inputs and fluxes of organic and inorganic forms of carbon to the Baltic Sea, their ratio (C:N:P:Si) will alter as well with consequences for phytoplankton species composition in the Baltic Sea. In summary, we propose that N fluxes will increase due to higher live stock densities in those countries recently acceded to the EU, whereas P and Si fluxes will decrease due to an increase in sewage treatment in these new EU member states and with further damming and still eutrophic states of many lakes in the entire Baltic Sea catchment. This might eventually decrease cyanobacteria blooms in the Baltic but increase the potential for other nuisance blooms. Dinoflagellates will be substituting diatoms that even today grow below their optimal growth conditions due to low Si concentrations in some regions of the Baltic Sea. C fluxes will probably increase from the boreal part of the Baltic Sea catchment due to the expected higher temperatures and heavier rainfall. However, it is not clear whether both dissolved organic carbon and alkalinity, that have opposite feedbacks to global warming will increase in similar amounts, since the spring flow peak will be smoothed out in time due to higher temperatures that cause less snow cover and deeper soil infiltration.

scholarly journals Reduction of Baltic Sea Nutrient Inputs and Allocation of Abatement Costs Within the Baltic Sea Catchment

AMBIO ◽  
2014 ◽  
Vol 43 (1) ◽  
pp. 11-25 ◽  
Author(s):  
Fredrik Wulff ◽  
Christoph Humborg ◽  
Hans Estrup Andersen ◽  
Gitte Blicher-Mathiesen ◽  
Mikołaj Czajkowski ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Nutrient Inputs ◽  
The Baltic Sea ◽  
Abatement Costs ◽  
The Baltic

scholarly journals Time series analysis of nutrient inputs to the Baltic Sea and changing DSi:DIN ratios

1996 ◽  
Vol 130 ◽  
pp. 221-228 ◽  
Author(s):  
L Rahm ◽  
D Conley ◽  
P Sandén ◽  
F Wulff ◽  
P Stålnacke
Keyword(s):  
Time Series ◽  
Time Series Analysis ◽  
Baltic Sea ◽  
Nutrient Inputs ◽  
The Baltic Sea ◽  
Series Analysis ◽  
The Baltic

scholarly journals Opportunities to reduce nutrient inputs to the Baltic Sea by improving manure use efficiency in agriculture

2018 ◽  
Vol 18 (6) ◽  
pp. 1843-1854 ◽  
Author(s):  
Michelle L. McCrackin ◽  
Bo G. Gustafsson ◽  
Bongghi Hong ◽  
Robert W. Howarth ◽  
Christoph Humborg ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Nutrient Inputs ◽  
The Baltic Sea ◽  
Use Efficiency ◽  
The Baltic

Impact of changes in nutrient inputs to the water quality of the shallow Haapsalu Bay, the Baltic Sea

2010 ◽  
Vol 12 (8) ◽  
pp. 1531 ◽  
Author(s):  
Arvo Iital ◽  
Nils Brandt ◽  
Fredrik Gröndahl ◽  
Enn Loigu ◽  
Marija Klõga
Keyword(s):  
Water Quality ◽  
Baltic Sea ◽  
Nutrient Inputs ◽  
The Baltic Sea ◽  
The Baltic

scholarly journals Model of Nutrient and Pesticide Outflow with Surface Water to Puck Bay (Southern Baltic Sea)

Water ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 809 ◽  
Author(s):  
Dominika Kalinowska ◽  
Paweł Wielgat ◽  
Tomasz Kolerski ◽  
Piotr Zima
Keyword(s):  
Baltic Sea ◽  
Assessment Tool ◽  
Swat Model ◽  
Agricultural Practices ◽  
Natura 2000 ◽  
The Baltic Sea ◽  
Quality Of Water ◽  
The Baltic ◽  
The Impact ◽  
Puck Bay

Coastal basins are particularly exposed to the adverse impact of anthropogenic stress. In many places, despite only the seasonal increase in the number of residents, progressive urbanization and associated changes in the catchment characteristics are noticeable. Puck Bay is part of the Gulf of Gdansk and belongs to the Baltic Sea. Although the area of Puck Bay is covered by the Natura 2000 Network, this has not saved it from eutrophication problems. As part of the work on a complex coastal basin analysis (WaterPUCK project), the Soil and Water Assessment Tool (SWAT) model was used to determine the agricultural impact on water quality in rivers with a flow into Puck Bay: Reda, Gizdepka, Płutnica, and Błądzikowski Stream. The results include the loads of nutrients and pesticides that flow out from the agricultural areas of Puck community into Puck Bay. In this article, special attention has been paid to the impact of precipitation on the quality of water at the outflow of rivers into the Bay of Puck, because it is a decisive element in the amount of nutrients leached along with surface runoff to watercourses and then into the Gulf. The distribution of precipitation thus affects the amount of nutrients absorbed by plants. Modeling the effects of agricultural practices, taking into account long-term meteorological forecasts, is helpful in attempts to reduce the amount of pollutants entering the Baltic Sea.

scholarly journals Stieleria varia sp. nov., isolated from wood particles in the Baltic Sea, constitutes a novel species in the family Pirellulaceae within the phylum Planctomycetes

2020 ◽  
Vol 113 (12) ◽  
pp. 1953-1963
Author(s):  
Frank Surup ◽  
Sandra Wiegand ◽  
Christian Boedeker ◽  
Anja Heuer ◽  
Stijn H. Peeters ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Cell Biology ◽  
Novel Species ◽  
Optimal Growth ◽  
The Baltic Sea ◽  
Abiotic Surfaces ◽  
The Family ◽  
Wood Particles ◽  
Orange Colour ◽  
The Baltic

AbstractSpecies belonging to the bacterial phylum Planctomycetes are ubiquitous members of the microbial communities in aquatic environments and are frequently isolated from various biotic and abiotic surfaces in marine and limnic water bodies. Planctomycetes have large genomes of up to 12.4 Mb, follow complex lifestyles and display an uncommon cell biology; features which motivate the investigation of members of this phylum in greater detail. As a contribution to the current collection of axenic cultures of Planctomycetes, we here describe strain Pla52T isolated from wood particles in the Baltic Sea. Phylogenetic analysis places the strain in the family Pirellulaceae and suggests two species of the recently described genus Stieleria as current closest neighbours. Strain Pla52nT shows typical features of members of the class Planctomycetia, including division by polar budding and the presence of crateriform structures. Colonies of strain Pla52nT have a light orange colour, which is an unusual pigmentation compared to the majority of members in the phylum, which show either a pink to red pigmentation or entirely lack pigmentation. Optimal growth of strain Pla52nT at 33 °C and pH 7.5 indicates a mesophilic (i.e. with optimal growth between 20 and 45 °C) and neutrophilic growth profile. The strain is an aerobic heterotroph with motile daughter cells. Its genome has a size of 9.6 Mb and a G + C content of 56.0%. Polyphasic analyses justify delineation of the strain from described species within the genus Stieleria. Therefore, we conclude that strain Pla52nT = LMG 29463T = VKM B-3447T should be classified as the type strain of a novel species, for which we propose the name Stieleria varia sp. nov.

The ecological economics of the Baltic Sea

1993 ◽  
Vol 1 (4) ◽  
pp. 329-335 ◽  
Author(s):  
Tomasz Żylicz
Keyword(s):  
Baltic Sea ◽  
Biological Diversity ◽  
Low Cost ◽  
Sewage Treatment ◽  
Policy Instruments ◽  
The Baltic Sea ◽  
Wetland Ecosystems ◽  
Environmental Recovery ◽  
The Baltic ◽  
The Cost

The paper discusses policies aimed at reducing the eutrophication of the Baltic Sea. Discharges of two nutrients—phosphorus and nitrogen—can be mitigated by measures ranging from sewage treatment to creating or enhancing natural ‘nutrient sinks’ such as coastal wetlands. The latter have been identified as low-cost alternatives to removing nitrogen through traditional, end-of-pipe technologies. Implementation of such projects yields additional benefits through enhancing biological diversity by recovering valuable habitats typical of wetland ecosystems. The paper offers several recommendations regarding policy instruments likely to enhance the cost-effectiveness of the Baltic-wide environmental recovery programme now under way.

scholarly journals Sewage treatment plant associated genetic differentiation in the blue mussel from the Baltic Sea and Swedish west coast

PeerJ ◽  
2016 ◽  
Vol 4 ◽  
pp. e2628 ◽  
Author(s):  
Josefine Larsson ◽  
Mikael Lönn ◽  
Emma E. Lind ◽  
Justyna Świeżak ◽  
Katarzyna Smolarz ◽  
...  
Keyword(s):  
Genetic Differentiation ◽  
Baltic Sea ◽  
Blue Mussel ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Genetic Composition ◽  
The Baltic Sea ◽  
Swedish West Coast ◽  
The Baltic

Human-derived environmental pollutants and nutrients that reach the aquatic environment through sewage effluents, agricultural and industrial processes are constantly contributing to environmental changes that serve as drivers for adaptive responses and evolutionary changes in many taxa. In this study, we examined how two types of point sources of aquatic environmental pollution, harbors and sewage treatment plants, affect gene diversity and genetic differentiation in the blue mussel in the Baltic Sea area and off the Swedish west coast (Skagerrak). Reference sites (REF) were geographically paired with sites from sewage treatments plant (STP) and harbors (HAR) with a nested sampling scheme, and genetic differentiation was evaluated using a high-resolution marker amplified fragment length polymorphism (AFLP). This study showed that genetic composition in the Baltic Sea blue mussel was associated with exposure to sewage treatment plant effluents. In addition, mussel populations from harbors were genetically divergent, in contrast to the sewage treatment plant populations, suggesting that there is an effect of pollution from harbors but that the direction is divergent and site specific, while the pollution effect from sewage treatment plants on the genetic composition of blue mussel populations acts in the same direction in the investigated sites.

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