Contributions of freshwater mussels (Unionidae) to nutrient cycling in an urban river: filtration, recycling, storage, and removal

Hoellein, Timothy J.; Zarnoch, Chester B.; Bruesewitz, Denise A.; DeMartini, Jessi

doi:10.1007/s10533-017-0376-z

Cited by 47 publications

(30 citation statements)

References 77 publications

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“…A meta-analysis of clearance rates reported central tendencies of 2.3-4.2, 3.6-7.9, 1.1-4.8, and 2.8-6.0 L g −1 h −1 for marine mussels, scallops, cockles, and oysters, respectively (Cranford et al 2011). Zebra mussels in the Laurentian Great Lakes showed clearance rates of 0.5-22.6 L g −1 h −1 ( Johengen et al 2014), and two unionoid species showed rates of 1.8-3.7 L g −1 h −1 in an urban river (Hoellein et al 2017). Clearance rates are scaled from individuals to populations to quantify ecosystem effects.…”

Section: Clearancementioning

confidence: 99%

“…For example, eastern oyster (C. virginica) shell content (by dry weight) is 12.2-12.3% C, 0.2-0.3% N, 0.04-0.1% P (Higgins et al 2011, Newell et al 2005. Shell content for two unionoid species (Lasmigona complanata, Pyganodon grandis) averaged 14.6% C, 1.1% N, and 0.004% P (Hoellein et al 2017). Scaling nutrient content from individuals to populations allows estimate of nutrient removal or sequestration via shell harvest or burial, respectively.…”

Section: Storage In Soft Tissue and Shellsmentioning

confidence: 99%

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Bivalve Impacts in Freshwater and Marine Ecosystems

Vaughn

Hoellein

2018

Annu. Rev. Ecol. Evol. Syst.

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234

126

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Bivalve molluscs are abundant in marine and freshwater ecosystems and perform important ecological functions. Bivalves have epifaunal or infaunal lifestyles but are largely filter feeders that couple the water column and benthos. Bivalve ecology is a large field of study, but few comparisons among aquatic ecosystems or lifestyles have been conducted. Bivalves impact nutrient cycling, create and modify habitat, and affect food webs directly (i.e., prey) and indirectly (i.e., movement of nutrients and energy). Materials accumulated in soft tissue and shells are used as environmental monitors. Freshwater mussel and oyster aggregations in rivers and estuaries are hot spots for biodiversity and biogeochemical transformations. Historically, human use includes food, tools, currency, and ornamentation. Bivalves provide direct benefits to modern cultures as food, building materials, and jewelry and provide indirect benefits by stabilizing shorelines and mitigating nutrient pollution. Research on bivalve-mediated ecological processes is diverse, and future synthesis will require collaboration across conventional disciplinary boundaries.

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Section: Clearancementioning

confidence: 99%

Section: Storage In Soft Tissue and Shellsmentioning

confidence: 99%

Bivalve Impacts in Freshwater and Marine Ecosystems

Vaughn

Hoellein

2018

Annu. Rev. Ecol. Evol. Syst.

Self Cite

234

126

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“…These processes promote the retention of nitrogen (N) and phosphorus (P) within freshwater ecosystems and assimilation into food webs, rather than propagation downstream towards marine environments, where they may remain bioavailable and have the potential to contribute to eutrophication (Paerl, ; Vaughn, ). Hoellein, Zarnoch, Bruesewitz, and DeMartini () calculated that the maximum potential quantities of N removed by two unionid mussel species ( Lasmigona complanata (Barnes, 1823) and Pyganodon grandis (Say, 1829), in estimated populations of 610 000 and 170 000 individuals, respectively) in the East Branch DuPage River, North America, was equivalent to a waste water treatment plant costing $266 638 per year.…”

Section: Introductionmentioning

confidence: 99%

Interactions between Unionida and non‐native species: A global meta‐analysis

Moore

Collier

Duggan

2019

Aquatic Conservation

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1. Understanding the multiple agents of decline is important for the conservation of globally threatened Unionida (Class Bivalvia), but threats from non-native species have received limited attention. To address this gap, a global meta-analysis was conducted aimed at identifying known interactions and mechanisms of impact and informing potential effect pathways for the New Zealand unionid fauna.2. The main non-native groups identified as interacting with unionids were fish (38% of published studies), macrophytes (33%), and vertebrate predators (30%), with 70% of interactions leading to adverse impacts on mussels. Most studies used field surveys (~50%) and were conducted in rivers (~50%).3. Impacts occurred across the unionid life cycle (adult, glochidia, host, and juvenile), and primarily affected processes that determine the transitions between life-cycle stages (fertilization, infestation, settlement, and maturation). The impacts of nonnative macrophytes and fish were predicted to be greater for transitional stages than the impact of vertebrate predators, which mostly affected adult mussels. New ZealandUnionida are most likely to be affected by interactions with nonnative species in lowland lakes and waterways, where connectivity for diadromous native fish hosts and high bioinvasion potential intersect.

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“…It is possible that mussels had the most impact on nitrification genes because their biodeposition products increase porewater NH 3 concentrations (Bril et al., ) and enhanced the flux of

{NO}_{3}^{-}

from water to sediment (Hoellein, Zarnoch, Bruesewitz, & DeMartini, ). Other studies have found significantly greater AOB amoA genes corresponding with a higher NH 3 load (Zhang et al., ) and aerophilic conditions (Wang et al., ).…”

Section: Discussionmentioning

confidence: 99%

Metagenomic analysis of nitrogen‐cycling genes in upper Mississippi river sediment with mussel assemblages

2018

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We investigated the impact of native freshwater mussel assemblages (order Unionoida) on the abundance and composition of nitrogen‐cycling genes in sediment of an upper Mississippi river habitat. We hypothesized that the genomic potential for ammonia and nitrite oxidation would be greater in the sediment with mussel assemblages, presumably due to mussel biodeposition products, namely ammonia and organic carbon. Regardless of the presence of mussels, upper Mississippi river sediment microbial communities had the largest genomic potential for nitrogen fixation followed by urea catabolism, nitrate metabolism, and nitrate assimilation, as evidenced by analysis of nitrogen cycling pathway abundances. However, genes encoding nitrate and nitrite redox reactions, nar GHI and nxr AB , were the most abundant functional genes of the nitrogen cycling gene families. Using linear discriminant analysis ( LDA ), we found nitrification genes were the most important biomarkers for nitrogen cycling genomic potential when mussels were present, and this presented an opposing effect on the abundance of genes encoding nitric oxide reduction. The genes involved in nitrification that increased the most were amoA associated with comammox Nitrospira and nxr homologs associated with Nitrospira . On the other hand, the most distinctive biomarkers of microbial communities without mussels were norB and nrfA , as part of denitrification and dissimilatory nitrate reduction to ammonium pathways, respectively. Ultimately, this research demonstrates the impact of native mollusks on microbial nitrogen cycling in an aquatic agroecosystem.

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Contributions of freshwater mussels (Unionidae) to nutrient cycling in an urban river: filtration, recycling, storage, and removal

Cited by 47 publications

References 77 publications

Bivalve Impacts in Freshwater and Marine Ecosystems

Bivalve Impacts in Freshwater and Marine Ecosystems

Interactions between Unionida and non‐native species: A global meta‐analysis

Metagenomic analysis of nitrogen‐cycling genes in upper Mississippi river sediment with mussel assemblages

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