ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2016
Ochre star mortality during the 2014 wasting disease epizootic: role of population size structure and temperature.
Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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54 citing papers in PubMed, 152 citations in OpenAlex.
- A Comparison of Juvenile and Adult Sunflower Sea Star Transcriptomic Responses to Challenge With Sea Star Wasting Disease Tissue Homogenates.Ecology and evolution · 2026Article
- Microbe Profile:Microbiology (Reading, England) · 2026Review
- A parasite-inclusive food web for the California rocky intertidal zone.Scientific data · 2026Article
- Microbial communities experienced during early development shape the host immune system and epigenome.iScience · 2025Article
- Electrical Stimulation Rejuvenates Tunicates: Altered Stem Cell and Immune Activity.bioRxiv : the preprint server for biology · 2025Article
- Fjord oceanographic dynamics provide refuge for critically endangeredProceedings. Biological sciences · 2025Article
- Parvoviruses of Aquatic Animals.Pathogens (Basel, Switzerland) · 2024Review
- A reference genome for ecological restoration of the sunflower sea star, Pycnopodia helianthoides.The Journal of heredity · 2024Article
- Intra-decadal increase in globally-spread Magallana gigas in southern California estuaries.PloS one · 2024Article
- Impacts of ocean warming on echinoderms: A meta-analysis.Ecology and evolution · 2023Review
- Sea stars resist wasting through active immune and collagen systems.Proceedings. Biological sciences · 2023Article
- Sea star wasting syndrome reaches the high Antarctic: Two recent outbreaks in McMurdo Sound.PloS one · 2023Article
- Two decades of change in sea star abundance at a subtidal site in Puget Sound, Washington.PloS one · 2023Article
- Article
- Minor Genetic Consequences of a Major Mass Mortality: Short-Term Effects inThe Biological bulletin · 2022Article
- A Review of Asteroid Biology in the Context of Sea Star Wasting: Possible Causes and Consequences.The Biological bulletin · 2022Review
- Spatial effects in parasite-induced marine diseases of immobile hosts.Royal Society open science · 2022Article
- Coelomocyte populations in the sea urchin,Frontiers in immunology · 2022Article
- Disease-driven mass mortality event leads to widespread extirpation and variable recovery potential of a marine predator across the eastern Pacific.Proceedings. Biological sciences · 2021Article
- Temporal and spatial variation in population structure among brooding sea stars in the genusEcology and evolution · 2021Article
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Authors and funding
11 authors at 6 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Over 20 species of asteroids were devastated by a sea star wasting disease (SSWD) epizootic, linked to a densovirus, from Mexico to Alaska in 2013 and 2014. For Pisaster ochraceus from the San Juan Islands, South Puget Sound and Washington outer coast, time-series monitoring showed rapid disease spread, high mortality rates in 2014, and continuing levels of wasting in the survivors in 2015. Peak prevalence of disease at 16 sites ranged to 100%, with an overall mean of 61%. Analysis of longitudinal data showed disease risk was correlated with both size and temperature and resulted in shifts in population size structure; adult populations fell to one quarter of pre-outbreak abundances. In laboratory experiments, time between development of disease signs and death was influenced by temperature in adults but not juveniles and adult mortality was 18% higher in the 19 °C treatment compared to the lower temperature treatments. While larger ochre stars developed disease signs sooner than juveniles, diseased juveniles died more quickly than diseased adults. Unusual 2-3 °C warm temperature anomalies were coincident with the summer 2014 mortalities. We suggest these warm waters could have increased the disease progression and mortality rates of SSWD in Washington State.
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