Response of tropical and subtropical chthamalid barnacles to increasing substrate temperatures

Leal, Inês; Flores, Augusto A. V.; Archambault, Philippe; Collin, Rachel; Tremblay, Réjean

doi:10.1016/j.jembe.2019.151281

Cited by 10 publications

(21 citation statements)

References 67 publications

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“…In this study, a temperature range as large as 16.3 °C was recorded across an individual boulder surface. This temperature range is larger than the 5.0 °C ( Leal et al, 2020 ) or 8.2 °C ( Lathlean, Ayre & Minchinton, 2012 ) maximum ranges recorded among replicate quadrats sampled on the same rock platforms, but considerably smaller than the 24.0 °C maximum range detected between between the edge and centre of rocks (maximum length <2 m) sheltering garter snakes ( Huey et al, 1989 ), the 25 °C maximum range detected between replicate boulders sampled on the same seashore ( Gunderson et al, 2019 ), or the 25.5 °C maximum range detected between different seashore microhabitats ( Chapperon & Seuront, 2011 ; Chapperon, Studerus & Clavier, 2017 ). Consequently, these new results for single boulder surfaces indicate that temperature range is likely be specific to the type(s) of substrate, habitat and region investigated.…”

Section: Discussionmentioning

confidence: 80%

“…In Mexico, the higher vertical distribution of barnacles on granite than basalt shores was attributed to granite’s cooler surface temperatures ( Raimondi, 1988 ), while in Brunei Darussalam snail mimics had cooler body temperatures on lighter-coloured sandstone than darker-coloured ferruginous sandstone ( Marshall, McQuaid & Williams, 2010 ). In Australia, barnacle recruitment and growth rate was higher on cooler than hotter areas of grey siltstone platform ( Lathlean, Ayre & Minchinton, 2013 ), while in Brazil and Panama, post-settlement mortality of barnacles was higher on hotter black plates than cooler white plates ( Leal et al, 2020 ). Moreover, invertebrate and algal abundance and richness was negatively related with peaks in substrate temperature in Chile ( Aguilera, Arias & Manzur, 2019 ), while on igneous seashores in Panama, gastropod body temperatures and mortality were highest in areas with the hottest temperature ( Garrity, 1984 ).…”

Section: Discussionmentioning

confidence: 99%

“…This extreme heat and temperature variability presents risks of desiccation and heat stress to intertidal ectotherms that use rocky seashores as habitat ( Connell, 1972 ; Bertness, 1999 ), which may challenge the survival and ultimately the persistence of some intertidal species. Examples of the impacts of heat stress on intertidal species include mass-mortality events during heatwaves ( Helmuth et al, 2002 ; Harley, 2008 ; Seuront et al, 2019 ), lower survival rates in thermally less-favourable habitats ( Jones & Boulding, 1999 ; Harley, 2008 ; Gedan et al, 2011 ; Lathlean, Ayre & Minchinton, 2013 ; Leal et al, 2020 ), and restricted vertical seashore distributions of some species ( Raimondi, 1988 ; Somero, 2002 ; Harley, 2003 ).…”

Section: Introductionmentioning

confidence: 99%

“…Studies investigating intertidal rock temperature have also shown that observed substratum temperature is not homogenous (e.g., Huey et al, 1989 ; Gómez-Heras, Smith & Fort, 2006 ; Helmuth et al, 2006 ; Lathlean, Ayre & Minchinton, 2012 ; Gunderson et al, 2019 ; Leal et al, 2020 ). Instead, substratum temperature is heterogeneous, with temperature differences up to 25.5 °C identified between the hottest and coolest locations (e.g., Huey et al, 1989 ; Denny et al, 2011 ; Lathlean, Ayre & Minchinton, 2012 ; Gunderson et al, 2019 ; Leal et al, 2020 ). The scale of these patterns of temperature difference can vary enormously, from many kilometres down to millimetres ( Helmuth et al, 2006 ; Denny et al, 2011 ; Judge, Botton & Hamilton, 2011 ; Lathlean, Ayre & Minchinton, 2012 ; Lathlean, Ayre & Minchinton, 2013 ).…”

Section: Introductionmentioning

confidence: 99%

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Rocks of different mineralogy show different temperature characteristics: implications for biodiversity on rocky seashores

Janetzki

Benkendorff

Fairweather

2021

PeerJ

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As some intertidal biota presently live near their upper tolerable thermal limits when emersed, predicted hotter temperatures and an increased frequency of extreme-heat events associated with global climate change may challenge the survival and persistence of such species. To predict the biological ramifications of climate change on rocky seashores, ecologists have collected baseline rock temperature data, which has shown substrate temperature is heterogenous in the rocky intertidal zone. A multitude of factors may affect rock temperature, although the potential roles of boulder surface (upper versus lower), lithology (rock type) and minerology have been largely neglected to date. Consequently, a common-garden experiment using intertidal boulders of six rock types tested whether temperature characteristics differed among rock types, boulder surfaces, and whether temperature characteristics were associated with rock mineralogy. The temperature of the upper and lower surfaces of all six rock types was heterogeneous at the millimetre to centimetre scale. Three qualitative patterns of temperature difference were identified on boulder surfaces: gradients; mosaics; and limited heterogeneity. The frequency of occurrence of these temperature patterns was heavily influenced by cloud cover. Upper surfaces were generally hotter than lower surfaces, plus purple siltstone and grey siltstone consistently had the hottest temperatures and white limestone and quartzite the coolest. Each rock type had unique mineralogy, with maximum temperatures correlated with the highest metallic oxide and trace metal content of rocks. These baseline data show that rock type, boulder surface and mineralogy all contribute to patterns of heterogenous substrate temperature, with the geological history of rocky seashores potentially influencing the future fate of species and populations under various climate change scenarios.

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Section: Discussionmentioning

confidence: 80%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Rocks of different mineralogy show different temperature characteristics: implications for biodiversity on rocky seashores

Janetzki

Benkendorff

Fairweather

2021

PeerJ

View full text Add to dashboard Cite

show abstract

“…Examples of the impacts of heat stress on intertidal species include mass-mortality events during heatwaves (Helmuth et al 2002;Harley 2008;Seuront et al 2019), lower survival rates in thermally less-favourable habitats (Jones and Boulding 1999;Harley 2008;Gedan et al 2011;Lathlean et al 2013;Leal et al 2020), and restricted vertical seashore distributions of some species (Raimondi 1988;Somero 2002;Harley 2003).…”

mentioning

confidence: 99%

Peer Review #1 of "Rocks of different mineralogy show different temperature characteristics: implications for biodiversity on rocky seashores (v0.1)"

2021

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As some intertidal biota presently live near their upper tolerable thermal limits when emersed, predicted hotter temperatures and an increased frequency of extreme-heat events associated with global climate change may challenge the survival and persistence of such species. To predict the biological ramifications of climate change on rocky seashores, ecologists have collected baseline rock temperature data, which has shown substrate temperature is heterogenous in the rocky intertidal zone. A multitude of factors may affect rock temperature, although the potential roles of boulder surface (upper versus lower), lithology (rock type) and minerology have been largely neglected to date.Consequently, a common-garden experiment using intertidal boulders of six rock types tested whether temperature characteristics differed among rock types, boulder surfaces, and whether temperature characteristics were associated with rock mineralogy. The temperature of the upper and lower surfaces of all six rock types was heterogeneous at the millimetre to centimetre scale. Three qualitative patterns of temperature difference were identified on boulder surfaces: gradients; mosaics; and limited heterogeneity. The frequency of occurrence of these temperature patterns was heavily influenced by cloud cover. Upper surfaces were generally hotter than lower surfaces, plus purple siltstone and grey siltstone consistently had the hottest temperatures and white limestone and quartzite the coolest. Each rock type had unique mineralogy, with maximum temperatures correlated with the highest metallic oxide and trace metal content of rocks. These baseline data show that rock type, boulder surface and mineralogy all contribute to patterns of heterogenous substrate temperature, with the geological history of rocky seashores therefore potentially influencing the future fate of species and populations under various climate change scenarios.

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Fatty acid composition as a function of latitude in barnacle cyprid larvae

Leal,

Thyrring,

Flores

et al. 2024

Limnology & Oceanography

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Broadly distributed species need to perform well in a range of environmental conditions, but knowledge of how wide‐ranging marine larvae perform along latitudinal gradients remains limited. The fatty acid composition of larvae is important for their physiological responses to changing conditions. Here, we investigated the fatty acid composition of the last, non‐feeding stage of barnacle larvae (cyprids) using an integrative (larvae–environment) and comparative (latitudinal) approach. We measured fatty acids in the pelagic particulate matter and cyprids from Chthamalus bisinuatus, Chthamalus proteus, and Semibalanus balanoides from tropical to polar (Arctic) latitudes to identify potential food sources during the feeding larval stages (nauplius) that precede the cyprids and to ascertain larval capacity to integrate neutral (energetic) and polar (structural) fatty acids. We demonstrate that particulate matter in tropical waters mainly consisted of low‐quality saturated fatty acids derived from detrital pathways, while particulate matter from polar waters was rich in polyunsaturated fatty acids originating from living microalgae. Across the studied regions, neutral fatty acids were assimilated from various food sources including diatoms, dinoflagellates, detritus, and microeukaryotes. Cyprids consistently retained higher essential fatty acid levels than the relative share in the particulate matter. Particularly, the essential docosahexaenoic acid (22:6ω3), which was scarce in the particulate matter, was highly retained across all species but highest for the tropical cyprids. We argue that this latitudinal pattern in fatty acid retention is related to periods of reduced nutrient intake, increased energetic and/or synthetic requirements, and responses to physical large‐scale differences in environmental conditions.

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Response of tropical and subtropical chthamalid barnacles to increasing substrate temperatures

Cited by 10 publications

References 67 publications

Rocks of different mineralogy show different temperature characteristics: implications for biodiversity on rocky seashores

Rocks of different mineralogy show different temperature characteristics: implications for biodiversity on rocky seashores

Peer Review #1 of "Rocks of different mineralogy show different temperature characteristics: implications for biodiversity on rocky seashores (v0.1)"

Fatty acid composition as a function of latitude in barnacle cyprid larvae

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