Succession and Emergence of Corals in High-Latitude (Temperate) Areas of Eastern Asia into the Future

Keshavmurthy, Shashank; Mezaki, Takuma; Reimer, James Davis; Choi, Kwang-Sik; Chen, Chaolun Allen

doi:10.1007/978-3-031-27560-9_4

Cited by 3 publications

(2 citation statements)

References 136 publications

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“…Active swimmers, such as fishes, generally extend their biogeographic range faster than benthic organisms such as corals, whose dispersal is typically via larval stages drifting in the currents (Pinsky et al, 2020). Nonetheless, poleward range expansion of tropical corals is increasingly being recorded (Greenstein & Pandolfi, 2008; Keshavmurthy et al, 2023; Kumagai et al, 2018), though this process may encounter environmental constraints (Muir et al, 2015; Yara et al, 2012). In some cases where tropical benthic species have expanded to subtropic or temperate regions, they have successfully established and even outcompeted or become more dominant than some of the indigenous ones (Denis et al, 2015; Tuckett et al, 2017).…”

Section: Figurementioning

confidence: 99%

“…In some cases where tropical benthic species have expanded to subtropic or temperate regions, they have successfully established and even outcompeted or become more dominant than some of the indigenous ones (Denis et al, 2015; Tuckett et al, 2017). On the other hand, some of the recorded shifts in benthic community structure might have resulted from a proliferation of existing but rare species that are increasingly gaining a competitive advantage under warming and changing conditions (Keshavmurthy et al, 2023; Pinsky et al, 2020; Tuckett et al, 2017). Either way, a shift toward typical tropical assemblages in temperate and subtropical regions may lead to community‐wide regime shifts which in turn could restructure the ecosystem and its functionality (Pinsky et al, 2020; Steger et al, 2021; Wernberg et al, 2016).…”

Section: Figurementioning

confidence: 99%

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A dramatic northward range expansion of a Red Sea soft coral in the Mediterranean Sea

Shlesinger,

Mills,

McFadden

et al. 2024

Ecosphere

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Historically isolated from tropical influences, the Mediterranean Sea underwent drastic changes, including the Lessepsian migration facilitated by the opening of the Suez Canal, connecting the Red Sea to the Mediterranean Sea. Here, we report on the discovery of a thriving and lush population of an Indo‐Pacific soft coral in the transforming Mediterranean Sea. This species was identified as Dendronephthya hemprichi (Klunzinger, 1877) through morphological and genetic assessments. The unexpected appearance of a dense population of this tropical coral off the Israeli Mediterranean coast signifies a northward range expansion of approximately 350 km from the northern Red Sea. Considering the potential for this soft coral to alter benthic community structure and create new marine animal forests, the population's sudden and massive colonization of artificial structures raises intriguing questions about its possible long‐term ecological implications in the Mediterranean ecosystem. This study emphasizes the urgency of continuous monitoring and research to understand the ecological consequences of this unprecedented abrupt tropical incursion of hundreds of colonies and its potential implications for the region's biodiversity. Moreover, the findings contribute to the broader discourse on the tropicalization of temperate and subtropical regions, highlighting the need to adapt conservation strategies that embrace and understand novel configurations of ecosystems in the face of ongoing local and global changes.

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Section: Figurementioning

confidence: 99%

Section: Figurementioning

confidence: 99%

A dramatic northward range expansion of a Red Sea soft coral in the Mediterranean Sea

Shlesinger,

Mills,

McFadden

et al. 2024

Ecosphere

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Anthropogenic climate change will likely outpace coral range expansion

Vogt-Vincent,

Pringle,

Cornwall

et al. 2024

Preprint

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Past coral range expansions suggest that high-latitude environments may serve as refugia, potentially buffering tropical biodiversity loss due to climate change. We explore this possibility for corals globally, using a dynamical metacommunity model incorporating temperature, light intensity, pH, and four distinct, interacting coral assemblages. This model reasonably reproduces the observed distribution and recent decline of corals across the Indo-Pacific and Caribbean. Our simulations suggest that there is a mismatch between the timescales of coral reef decline and range expansion under future predicted climate change. Whereas the most severe declines in coral cover will likely occur within 60–80 years, significant tropical coral range expansion requires centuries. The absence of large-scale coral refugia in the face of rapid anthropogenic climate change emphasises the urgent need to reduce greenhouse gas emissions, and mitigate non-thermal stressors for corals, both in the tropics and high-latitudes.

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Response of zooxanthellate scleractinian corals to elevation of seawater temperature during summer in a temperate Japanese coastal sea (Takashima, Japan)

Kato,

Ito,

Miyahara

et al. 2024

Marine Ecology

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In contrast to tropical and subtropical regions, where coral abundance is declining due to elevated summer seawater temperatures, expansions of coral ranges have been reported in temperate Japanese regions due to an increase in seawater temperature. However, the vulnerability of corals in temperate Japanese regions to elevated summer seawater temperatures is not well known. In this study, we assessed the bleaching state of corals with elevated seawater temperatures during summer in a temperate Japanese coastal sea around Takashima Island, using an underwear color reference card (Coral Health Chart). This study showed that the color of temperate corals turned pale with increasing seawater temperature during summer. However, the corals did not reach a bleached state. Approaching a typhoon may contribute to maintenance of coral health at Takashima Beach by mitigating high seawater temperatures during summer and preventing the accumulation of thermal stress in corals.

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Succession and Emergence of Corals in High-Latitude (Temperate) Areas of Eastern Asia into the Future

Cited by 3 publications

References 136 publications

A dramatic northward range expansion of a Red Sea soft coral in the Mediterranean Sea

A dramatic northward range expansion of a Red Sea soft coral in the Mediterranean Sea

Anthropogenic climate change will likely outpace coral range expansion

Response of zooxanthellate scleractinian corals to elevation of seawater temperature during summer in a temperate Japanese coastal sea (Takashima, Japan)

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