Effects of seasonal upwelling and runoff on water chemistry and growth and survival of native and commercial oysters

Hollarsmith, Jordan A.; Sadowski, Jan; Picard, Manon M. M.; Cheng, Brian S.; Farlin, J. P.; Russell, A. D.; Grosholz, Edwin D.

doi:10.1002/lno.11293

Cited by 13 publications

(13 citation statements)

References 48 publications

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“…those with higher tolerances to changed or predicted climate-driven environmental conditions), as has been done with other species like corals [ 64 ]. Despite its promise, due to the high degree of uncertainty about climate effects on Olympia oysters [ 65 ], we recommend further study before we can explicitly support assisted evolution approaches with this species.…”

Section: Discussionmentioning

confidence: 99%

“…For example, a recent outbreak of oyster herpesvirus (OsHV-1) in the Crassostrea gigas population in Southern California required the destruction of a season’s worth of infected oysters, which could not be sold, representing significant financial losses for growers [ 73 ]. Olympia oysters are not as vulnerable to herpes, or many of the other diseases that plague other commercial species, including Crassostrea [ 55 ], and show relatively increased resilience to climate effects [ 65 ], thus making them ideal to add to the grower’s portfolio to buffer against such losses. Olympia oysters also provide an entirely different flavor profile than Pacific oysters, and represent a locally sourced native species, which could provide additional marketing and market differentiation opportunities [ 42 ].…”

Section: Discussionmentioning

confidence: 99%

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Conservation aquaculture as a tool for imperiled marine species: Evaluation of opportunities and risks for Olympia oysters, Ostrea lurida

et al. 2021

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Conservation aquaculture is becoming an important tool to support the recovery of declining marine species and meet human needs. However, this tool comes with risks as well as rewards, which must be assessed to guide aquaculture activities and recovery efforts. Olympia oysters (Ostrea lurida) provide key ecosystem functions and services along the west coast of North America, but populations have declined to the point of local extinction in some estuaries. Here, we present a species-level, range-wide approach to strategically planning the use of aquaculture to promote recovery of Olympia oysters. We identified 12 benefits of culturing Olympia oysters, including identifying climate-resilient phenotypes that add diversity to growers’ portfolios. We also identified 11 key risks, including potential negative ecological and genetic consequences associated with the transfer of hatchery-raised oysters into wild populations. Informed by these trade-offs, we identified ten priority estuaries where aquaculture is most likely to benefit Olympia oyster recovery. The two highest scoring estuaries have isolated populations with extreme recruitment limitation—issues that can be addressed via aquaculture if hatchery capacity is expanded in priority areas. By integrating social criteria, we evaluated which project types would likely meet the goals of local stakeholders in each estuary. Community restoration was most broadly suited to the priority areas, with limited commercial aquaculture and no current community harvest of the species, although this is a future stakeholder goal. The framework we developed to evaluate aquaculture as a tool to support species recovery is transferable to other systems and species globally; we provide a guide to prioritizing local knowledge and developing recommendations for implementation by using transparent criteria. Our collaborative process engaging diverse stakeholders including managers, scientists, Indigenous Tribal representatives, and shellfish growers can be used elsewhere to seek win-win opportunities to expand conservation aquaculture where benefits are maximized for both people and imperiled species.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Conservation aquaculture as a tool for imperiled marine species: Evaluation of opportunities and risks for Olympia oysters, Ostrea lurida

et al. 2021

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“…Some patterns of benthic invertebrate abundance and diversity in Tomales Bay have also been documented. The growth and distribution of native oysters ( Ostrea lurida ) as well as their susceptibility to oyster drill and crab predation are known (Hollarsmith et al, 2020; Kimbro, Grosholz, et al, 2009; Kimbro et al, 2019), and multiple invertebrates distributions are influenced by variation in trophic cascade strength across the bay (Cheng & Grosholz, 2016). Some information is known on the distribution of sessile invertebrate species (Chang, 2009; Deck, 2010), although this has not been the main focus of previous studies.…”

Section: Methodsmentioning

confidence: 99%

Biological invasions alter consumer–stress relationships along an estuarine gradient

Rubinoff

Grosholz

2022

Ecology

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Estuaries represent steep stress gradients for aquatic organisms, with abiotic stress due to temperature and salinity typically increasing with distance into estuary. Invertebrate communities and their predators are strongly influenced by these stress gradients. The environmental stress model predicts that the importance of predation in structuring communities decreases with increasing environmental stress. Estuaries contain a stress gradient for marine organisms this includes salinity, temperature, and other abiotic properties. Additionally, estuaries are hotspots for biological invasions; increased stress tolerance among non‐native species could change the predictions of the environmental stress model. In this study, we investigate how introduced species alter the predictions of the environmental stress model by examining the effects of predators on sessile invertebrates across an estuarine gradient. To do this, we deployed recruitment plates across the estuarine gradient of Tomales Bay, California, USA using various caging treatments over the summer of 2019. We found that the effect of predation changed across sites, with the mid‐estuary site experiencing the greatest reductions in prey abundance and prey species richness when exposed to predators. This was likely to be due to higher proportions of non‐native prey and predator taxa mid‐estuary, including solitary ascidians, which are highly susceptible to predation. Overall, predation did not follow the predictions of the environmental stress model, but rather followed the abundance of functional groups with non‐native species, whose distribution could be mediated by environmental stress gradients. We suggest that this may be a general result and that communities subject to large numbers of stress‐tolerant invaders may have high rates of consumption in high stress areas, contrasting predictions by previous models.

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“…, Hollarsmith et al. ). Potential losses of embryos and larvae from offshore transport may have selected for latitudinal differences in reproductive strategies of fishes and crustaceans in the California Current System (Parrish et al.…”

Section: The Impacts Of Climate Change On Larval Transport and Organimentioning

confidence: 99%

Larval dispersal in a changing ocean with an emphasis on upwelling regions

et al. 2020

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Dispersal of benthic species in the sea is mediated primarily through small, vulnerable larvae that must survive minutes to months as members of the plankton community while being transported by strong, dynamic currents. As climate change alters ocean conditions, the dispersal of these larvae will be affected, with pervasive ecological and evolutionary consequences. We review the impacts of oceanic changes on larval transport, physiology, and behavior. We then discuss the implications for population connectivity and recruitment and evaluate life history strategies that will affect susceptibility to the effects of climate change on their dispersal patterns, with implications for understanding selective regimes in a future ocean. We find that physical oceanographic changes will impact dispersal by transporting larvae in different directions or inhibiting their movements while changing environmental factors, such as temperature, pH, salinity, oxygen, ultraviolet radiation, and turbidity, will affect the survival of larvae and alter their behavior. Reduced dispersal distance may make local adaptation more likely in well‐connected populations with high genetic variation while reduced dispersal success will lower recruitment with implications for fishery stocks. Increased dispersal may spur adaptation by increasing genetic diversity among previously disconnected populations as well as increasing the likelihood of range expansions. We hypothesize that species with planktotrophic (feeding), calcifying, or weakly swimming larvae with specialized adult habitats will be most affected by climate change. We also propose that the adaptive value of retentive larval behaviors may decrease where transport trajectories follow changing climate envelopes and increase where transport trajectories drive larvae toward increasingly unsuitable conditions. Our holistic framework, combined with knowledge of regional ocean conditions and larval traits, can be used to produce powerful predictions of expected impacts on larval dispersal as well as the consequences for connectivity, range expansion, or recruitment. Based on our findings, we recommend that future studies take a holistic view of dispersal incorporating biological and oceanographic impacts of climate change rather than solely focusing on oceanography or physiology. Genetic and paleontological techniques can be used to examine evolutionary impacts of altered dispersal in a future ocean, while museum collections and expedition records can inform modern‐day range shifts.

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Effects of seasonal upwelling and runoff on water chemistry and growth and survival of native and commercial oysters

Cited by 13 publications

References 48 publications

Conservation aquaculture as a tool for imperiled marine species: Evaluation of opportunities and risks for Olympia oysters, Ostrea lurida

Conservation aquaculture as a tool for imperiled marine species: Evaluation of opportunities and risks for Olympia oysters, Ostrea lurida

Biological invasions alter consumer–stress relationships along an estuarine gradient

Larval dispersal in a changing ocean with an emphasis on upwelling regions

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