Mussel farming as a nutrient reduction measure in the Baltic Sea: Consideration of nutrient biogeochemical cycles

Stadmark, Johanna; Conley, Daniel J.

doi:10.1016/j.marpolbul.2011.05.001

Cited by 87 publications

(57 citation statements)

References 23 publications

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“…Other studies of bivalve aquaculture (oysters, clams, and mussels) demonstrated either no stimulation of DNF or inhibition (Gilbert et al 1997, Minjeaud et al 2009). It has been argued that where intensive bivalve aquaculture causes sediment anoxia, aquaculture has the potential to exacerbate eutrophication by stimulating release of nutrients sequestered in the sediments (Stadmark & Conley 2011). The current study adds to this body of knowledge by providing data on the effect of oyster aquaculture across 2 sites with differing hydrographic conditions in the mesohaline portion of Chesapeake Bay.…”

Section: Quantification Of N Loss Potentialmentioning

confidence: 92%

Effect of aquacultured oyster biodeposition on sediment N<sub>2 production in Chesapeake Bay

Higgins¹,

Tobias²,

Piehler³

et al. 2013

Mar. Ecol. Prog. Ser.

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Suspension feeding bivalves have the potential to mitigate estuarine and coastal marine eutrophication by permanently removing nitrogen (N) from the system. We conducted an integrated field and laboratory examination of the effect of eastern oyster biodeposition on sediment denitrification (DNF) and anammox (AMX) rates to quantify the N removal potential of oyster aquaculture using 2 commercial-scale sites in Chesapeake Bay, USA. Sediment N 2 production rates were measured using 2 techniques, 15 N isotope tracer (n = 51) and N 2 :Ar (n = 30). Oyster biodeposit N-load rates explained 21% of variation in sediment N 2 production (DNF and AMX). Oyster sediment N 2 production rates ranged from 0.00 to 1.56 mmol N m −2 d −1 and were almost always lower than reference sediments. From laboratory-based biodeposit addition and fieldbased forced biodeposit accumulation experiments, we found ~2.50 mmol N m −2 d −1 to be the maximum sediment N 2 production capacity of these sediments, regardless of increasing organic N or labile organic carbon delivery rates. We found no evidence to support the contention that biodeposition associated with oyster aquaculture significantly impacts annual N removal via sediment N 2 production, i.e. stimulation or inhibition, above reference rates, but there was evidence that sediment NH 4 + efflux rates were increased. We estimate the N removal rate via sediment N 2 production at similar oyster cultivation sites (1750 m 2 ) with 5 × 10 5 oysters ranges from 0.49 to 12.60 kg N yr −1 , compared to 2.27 to 16.72 kg N yr −1 at reference sites. Thus, aqua cultured oyster biodeposition did not have a ubiquitously enhancing effect on N removal rates via N 2 production and is therefore unlikely to be effective as a policy initiative for eutrophication mitigation.

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Section: Quantification Of N Loss Potentialmentioning

confidence: 92%

Effect of aquacultured oyster biodeposition on sediment N<sub>2 production in Chesapeake Bay

Higgins¹,

Tobias²,

Piehler³

et al. 2013

Mar. Ecol. Prog. Ser.

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“…6). Furthermore, increased sedimentation of organic matter from feces and pseudofeces underneath mussel farms can have significant ecosystem effects on the biogeochemical cycles of nitrogen and phosphorus (Stadmark & Conley 2011).…”

Section: Effects Of Aquaculture Activities On Nutrient Biogeochemicalmentioning

confidence: 99%

Sources and export of nutrients associated with integrated multi-trophic aquaculture in Sanggou Bay, China

Li¹,

Liu²,

Zhang³

et al. 2016

Aquacult. Environ. Interact.

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Field observations were made from 2012 to 2014 at an integrated multi-trophic aquaculture (IMTA) site in Sanggou Bay (SGB), China, to characterize the nutrients associated with aquaculture activities, and to assess the effects of aquaculture on nutrient cycles in the bay. Dissolved inorganic and organic nutrient levels were measured in rivers, groundwater, and SGB. Seasonal variations in nutrient concentrations were detected in the rivers, particularly enrichment of dissolved inorganic nitrogen (DIN) and silicate (DSi). Nutrient concentrations showed considerable seasonal variation, with higher and significantly different concentrations occurring in autumn than in the other seasons. The composition and distribution of nutrients were also affected by the species being cultured. Dissolved organic nitrogen and phosphorus (DON and DOP) accounted for 27 to 87% of total dissolved nitrogen and 34 to 81% of total dissolved phosphorus, respectively. Phosphorus may be a potentially limiting nutrient for phytoplankton growth in summer. Nutrient budgets were developed based on a simple steady-state box model. These showed that bivalve aquaculture was the major source of PO 4 3− (contributing 64% of total influx) and led to increased riverine fluxes of PO 4 3− . The results indicated that substantial quantities of nitrogen and DSi accumulated in sediments or were transformed into other forms (e.g. phytoplankton cell composition or particles). Large quantities of DIN and PO 4 3− were removed from the bay through harvesting of seaweeds and bivalves, which represented up to 64 and 81% of total outflux, respectively. The results show that aquaculture activities play the most important role in nutrient cycling in SGB.

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“…There are different viewpoints regarding the use of the end product of farming -mussel. Mussel farming reduces eutrophication in water (Lindahl et al, 2005;Gren, Lindahl & Lindqvist, 2009;Stadmark & Conley, 2011). This factor might be a cause for future pollution quotas of allocation to the countries considered.…”

Section: Legislationmentioning

confidence: 99%

Mussel Farming and Its Potential in the Baltic Sea

Ozoliņa

2017

Economics and Business

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Abstract. The paper covers research findings on mussel farming and the analysis of current situation in mussel farming in the Baltic Sea. The mussel farming has a development potential in the Baltic Sea region. Some developers have chosen progressive activities to achieve the aim. For example, in Sweden the development of mussel farming is suggested as one of the instruments for reducing eutrophication. Several countries in the Baltic Sea region are in the beginning phase of the mariculture development. The following research methods were used in the research: studies of scientific publications, case studies and document studies on some important factors impeding the development of mussel farming in the Baltic Sea.

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Mussel farming as a nutrient reduction measure in the Baltic Sea: Consideration of nutrient biogeochemical cycles

Cited by 87 publications

References 23 publications

Effect of aquacultured oyster biodeposition on sediment N<sub>2 production in Chesapeake Bay

Effect of aquacultured oyster biodeposition on sediment N<sub>2 production in Chesapeake Bay

Sources and export of nutrients associated with integrated multi-trophic aquaculture in Sanggou Bay, China

Mussel Farming and Its Potential in the Baltic Sea

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