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\"There is a growing crisis in our oceans as rates of infectious disease outbreaks are on the rise. Marine epidemics have the potential to cause a mass die-off of wildlife from the bottom to the top of the food chain, impacting the health of ocean ecosystems as well as lives on land. Ocean outbreaks are a sentinel of an impending global environmental disaster, fueled by sewage dumping, unregulated aquaculture, and drifting plastic in a warming ocean. Ocean Outbreak follows renowned scientist Drew Harvell and her colleagues as they investigate how four iconic marine animals--corals, abalone, salmon, and starfish--have been devastated by disease. Based on over twenty years of research, this firsthand account of the sometimes creeping, sometimes exploding impact of disease outbreaks on our ocean's biodiversity ends with a hopeful message. Through policy changes and the implementation of innovative solutions from nature, we can reduce major outbreaks, save some ocean ecosystems, and protect our fragile environment\"--Provided by publisher.

For Native peoples of California, the abalone found along the state's coast have remarkably complex significance as food, spirit, narrative symbol, tradable commodity, and material with which to make adornment and sacred regalia. The large mollusks also represent contemporary struggles surrounding cultural identity and political sovereignty. Abalone Tales, a collaborative ethnography, presents different perspectives on the multifaceted material and symbolic relationships between abalone and the Ohlone, Pomo, Karuk, Hupa, and Wiyot peoples of California. The research agenda, analyses, and writing strategies were determined through collaborative relationships between the anthropologist Les W. Field and Native individuals and communities. Several of these individuals contributed written texts or oral stories for inclusion in the book. Tales about abalone and their historical and contemporary meanings are related by Field and his coauthors, who include the chair and other members of the Muwekma Ohlone Tribe; a Point Arena Pomo elder; the chair of the Wiyot tribe and her sister; several Hupa Indians; and a Karuk scholar, artist, and performer. Reflecting the divergent perspectives of various Native groups and people, the stories and analyses belie any presumption of a single, unified indigenous understanding of abalone. At the same time, they shed light on abalone's role in cultural revitalization, struggles over territory, tribal appeals for federal recognition, and connections among California's Native groups. While California's abalone are in danger of extinction, their symbolic power appears to surpass even the environmental crises affecting the state's vulnerable coastline.

An international Workshop on Rebuilding Abalone Stocks in British Columbia was held during February 23-26, 1999, in Nanaimo, British Columbia, Canada. The main goal of the workshop was to develop a realistic strategy to rehabilitate depleted northern (pinto) abalone, Haliotis kamtschatkana, stocks in British Columbia.

As climate change causes marine heat waves to become more intense and frequent, marine species increasingly suffer from heat stress. This stress can result in reduced growth, disrupted breeding cycles, vulnerability to diseases and pathogens, and increased mortality rates. Abalone (genus Haliotis) are an ecologically significant group of marine gastropods and are among the most highly valued seafood products. However, heat stress events have had devastating impacts on both farmed and wild populations. Members of this genus are among the most susceptible marine species to climate change impacts, with over 40% of all abalone species listed as threatened with extinction. This has motivated researchers to explore the genetics linked to heat stress in abalone. A substantial portion of publicly available studies has employed transcriptomic approaches to investigate abalone genetic response to heat stress. However, to date, no meta-analysis has been conducted to determine the common response to heat stress (i.e. the core response) across the genus. This study uses a standardized bioinformatic pipeline to reanalyze and compare publicly available RNA-seq datasets from different heat stress studies on abalone. Nine publicly available RNA-seq datasets from nine different heat-stress studies on abalone from seven different abalone species and three hybrids were included in the meta-analysis. We identified a core set of 74 differentially expressed genes (DEGs) in response to heat stress in at least seven out of nine studies. This core set of DEGs mainly included genes associated with alternative splicing, heat shock proteins (HSPs), Ubiquitin-Proteasome System (UPS), and other protein folding and protein processing pathways. The detection of a consistent set of genes that respond to heat stress across various studies, despite differences in experimental design (e.g. stress intensity, species studied--geographical distribution, preferred temperature range, etc.), strengthens our proposal that these genes are key elements of the heat stress response in abalone. The identification of the core response to heat stress in abalone lays an important foundation for future research. Ultimately, this study will aid conservation efforts and aquaculture through the identification of resilient populations, genetic-based breeding programs, possible manipulations such as early exposure to stress, gene editing and the use of immunostimulants to enhance thermal tolerance.

White abalone (Haliotis sorenseni) was once commonly found in coastal waters of the Southern California Bight (SCB) and south to Punta Abreojos, Baja California, Mexico. During the 1970s, white abalone supported a commercial fishery, which reduced the population and resulted in the closure of the fishery in 1996. When population levels continued to decline, National Marine Fisheries Service (NMFS) listed the species as endangered under the Endangered Species Act. The California Department of Fish and Wildlife and NMFS began surveying the wild populations, propagating specimens in captivity, and protecting its seabed habitat. We modeled coarse-scale (17 x 17 km) historical (using fishery-dependent data [1955-1996]) and contemporary (using fishery-independent data [1996-2017]) distributions of white abalone throughout its historical domain using random forests and maximum entropy (MaxEnt), respectively, and its fine-scale (10 x 10 m) contemporary distribution (fishery-independent data) using MaxEnt. We also investigated potential outplanting habitat farther north under two scenarios of future climate conditions. The coarse-scale models identified potential regions to focus outplanting efforts within SCB while fine-scale models can inform population monitoring and outplanting activities in these particular areas. These models predict that areas north of Point Conception may become candidate outplant sites as seawater temperatures continue to rise in the future due to climate change. Collectively, these results provide guidance on the design and potential locations for experimental outplanting at such locations to ultimately improve methods and success of recovery efforts.