Factors determining the timing of swarming of European flat oyster (Ostrea edulis L.) larvae in the Dutch Delta area: Implications for flat oyster restoration

Maathuis, Margot A.M.; Coolen, Joop W.P.; Have, Tom van der; Kamermans, P.

doi:10.1016/j.seares.2019.101828

Cited by 23 publications

(23 citation statements)

References 38 publications

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Section: Discussionmentioning

confidence: 99%

“…Temperature sum (accumulated temperature) is an important variable explaining larval abundance in modelled scenarios for bivalves (Broell, Mccain, & Taggart, 2017). Maathuis, Coolen, Van der Have, and Kamermans (2020) developed a model where the seawater F I G U R E 7 Example of epibiota fouling on the mussel (left) and Pacific oyster (right) sacks in the experiment in 2017 (top); and cockle, mussel, flat oyster, and Pacific oyster (top to bottom) shell sacks in 2018 (bottom), after retrieval from the water at the end of the experiments in the Voordelta temperature sum in early summer could be applied as a crude predictor of peak flat oyster larval abundance. In this study, larval counts of Korringa (1947) and the data presented here for 2003 and 2011 were included.…”

Section: Timing Of Deployment Of Collectormentioning

confidence: 99%

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Optimization of off‐bottom spat collectors for restoration and production of the European flat oyster (Ostrea edulis) in Dutch coastal waters

Brink

Maathuis

Kamermans

2020

Aquatic Conservation

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Efficient spat collection is essential to both the successful restoration and cultivation of the European flat oyster (Ostrea edulis). The results of four different experiments investigating larval abundance, and the use of seven different types of suspended spat collectors in seven locations in the SW Netherlands were compared. These different types included Chinese hats, Vexar mesh, PVC tubes, and four types of bivalve shells. Larval abundance, and timing of peaks in abundance for both O. edulis and the non‐indigenous Pacific oyster (Crassostrea gigas) varied between locations and years. The most successful spat collectors were sacks of bivalve shells. In general, most spat were observed on collectors deployed 1–2 weeks after the peak in larval abundance was detected. Fouling was heavy and may have prevented larval settlement on collectors deployed too early. Suspended sacks of bivalve shells show great promise as O. edulis spat collectors intended for reef restoration purposes but may need further development for cultivation application.

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Section: Discussionmentioning

confidence: 99%

Section: Timing Of Deployment Of Collectormentioning

confidence: 99%

Optimization of off‐bottom spat collectors for restoration and production of the European flat oyster (Ostrea edulis) in Dutch coastal waters

Brink

Maathuis

Kamermans

2020

Aquatic Conservation

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“…estuaries) where sub‐optimal salinities can significantly impact larval performance and susceptibility to disease (Butt et al ; Dove & O'Connor ). And where possible, including other environmental factors that influence larval recruitment will improve the predictive capacity of models, such as correlations with lunar cycles that are known to influence the timing of larval release by corals and oysters (Zakai et al ; Maathuis et al ).…”

Section: Discussionmentioning

confidence: 99%

Cuing oyster recruitment with shell and rock: implications for timing reef restoration

McAfee

Connell

2020

Restoration Ecology

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Reducing uncertainty surrounding the biological responses of degraded habitat is key to providing confidence and efficiency in its restoration. Many coastal habitats are so extensively degraded that organismal responses to restoration interventions are entirely unknown. Among the most degraded coastal ecosystems are oyster reefs, whose restoration typically occurs where oysters are degraded to the point of functional extinction. This loss creates uncertainty on the fundamental processes for reef recovery; the timing of oyster recruitment and their preferred substratum for settlement. Such knowledge can inform restoration strategies to accelerate habitat recovery. Near the site of Australia's largest restoration of native oyster reef, we quantified temporal variability in recruitment of the native flat oyster (Ostrea angasi) and assessed their preference between the settlement substrata deployed for the reef restoration. Combining half a decade of environmental data with oyster recruitment data, we provide a model that identified distinct peaks in oyster recruitment which correlate with food availability and seawater temperature. In addition, oysters preferentially settled on oyster shell relative to other materials used in local restoration. In combination, these results suggest that there are opportunities to augment recruitment through addition of shell substratum synced with recruitment peaks. Our recruitment model likely represents a minor investment with large returns, providing opportunities to capture peak recruitment and greater confidence in utilizing natural recruitment as a restoration resource.

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“…Eggs remain in the mantle cavity of the female, where they are fertilized and develop into larvae with two shells in a period of one to two weeks ( Figure 2). A recent analysis of a large dataset on larval abundance in the Oosterschelde and Lake Grevelingen in the Netherlands showed that the timing of maximal larval release can be predicted based on temperature (Maathuis et al, 2020). When the larvae are released, the shell length of the larvae is 170-190 μm.…”

Section: Life Cyclementioning

confidence: 99%

“…Therefore, best practice is to present the collector shortly before settlement, which is two weeks after the peak in oyster larvae (van den Brink et al, 2020). A recent analysis of long-term data series indicates that the timing of larval release can be predicted based on the development of the temperature (Maathuis et al, 2020).…”

Section: Spat Collectors and Culture In The Fieldmentioning

confidence: 99%

Sources of European flat oysters (Ostrea edulis L.) for restoration projects in the Dutch North Sea

Kamermans¹,

Blanco²,

Dalen³

2020

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Factors determining the timing of swarming of European flat oyster (Ostrea edulis L.) larvae in the Dutch Delta area: Implications for flat oyster restoration

Cited by 23 publications

References 38 publications

Optimization of off‐bottom spat collectors for restoration and production of the European flat oyster (Ostrea edulis) in Dutch coastal waters

Optimization of off‐bottom spat collectors for restoration and production of the European flat oyster (Ostrea edulis) in Dutch coastal waters

Cuing oyster recruitment with shell and rock: implications for timing reef restoration

Sources of European flat oysters (Ostrea edulis L.) for restoration projects in the Dutch North Sea

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