Artificial Light at Night (ALAN) negatively affects the settlement success of two prominent intertidal barnacles in the southeast Pacific

Manríquez, Karen; Quijón, Pedro A.; Manríquez, Patricio H.; Miranda, Camila Oliveira; Pulgar, José; Quintanilla-Ahumada, Diego; Duarte, Cristián

doi:10.1016/j.marpolbul.2021.112416

Cited by 10 publications

(8 citation statements)

References 59 publications

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“…Indeed, field monitoring and laboratory experiments have shown an increase in metabolic rate and self‐righting time in juveniles in presence of LED illumination at night (~330 lux), as well as a preference for dark areas to choose their prey (Manriquez et al, 2019). Similarly, ALAN (~100 lux) reduced feeding activity in adult individuals, which were also more likely to be in a refuge than those under control conditions (Manríquez, Jara, et al, 2021; Manríquez, Quijon, et al, 2021). These impacts have clear implications for the long‐term sustainability and productivity of a keystone intertidal species that is able (among others) to consume the dominant mussel Perumytilus purpuratus, and therefore enhance rocky intertidal biodiversity and functioning.…”

Section: Biological Effects Of Alan In the Marine Biotamentioning

confidence: 95%

“…Results showed that 39% of analyzed taxa were influenced by ALAN, either positively or negatively; it was not surprising, given the importance of natural light as a cue for guiding larval recruitment and later survival (Mundy & Babcock, 1998; Thorson, 1964). More recently, negative effects of ALAN on late settlers of barnacles have been documented both along natural shores in Chile (97‐11 lux) ( Notochthamalus scabrosus and Jehlius cirratus ; Manríquez, Jara, et al, 2021; Manríquez, Quijon, et al, 2021) and in the North Atlantic on man‐made structures (212‐11 lux) ( Semibalanus balanoides ; Lynn, Flynn, et al, 2021); in these studies, lack of effects on early settlers suggested that, in presence of lit nights, metamorphosis was delayed or early mortality was increased in comparison to natural dark conditions.…”

Section: Biological Effects Of Alan In the Marine Biotamentioning

confidence: 99%

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Impacts of artificial light at night in marine ecosystems—A review

Marangoni

Davies

Smyth

et al. 2022

Global Change Biology

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The globally widespread adoption of Artificial Light at Night (ALAN) began in the mid‐20th century. Yet, it is only in the last decade that a renewed research focus has emerged into its impacts on ecological and biological processes in the marine environment that are guided by natural intensities, moon phase, natural light and dark cycles and daily light spectra alterations. The field has diversified rapidly from one restricted to impacts on a handful of vertebrates, to one in which impacts have been quantified across a broad array of marine and coastal habitats and species. Here, we review the current understanding of ALAN impacts in diverse marine ecosystems. The review presents the current state of knowledge across key marine and coastal ecosystems (sandy and rocky shores, coral reefs and pelagic) and taxa (birds and sea turtles), introducing how ALAN can mask seabird and sea turtle navigation, cause changes in animals predation patterns and failure of coral spawning synchronization, as well as inhibition of zooplankton Diel Vertical Migration. Mitigation measures are recommended, however, while strategies for mitigation were easily identified, barriers to implementation are poorly understood. Finally, we point out knowledge gaps that if addressed would aid in the prediction and mitigation of ALAN impacts in the marine realm.

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Section: Biological Effects Of Alan In the Marine Biotamentioning

confidence: 95%

Section: Biological Effects Of Alan In the Marine Biotamentioning

confidence: 99%

Impacts of artificial light at night in marine ecosystems—A review

Marangoni

Davies

Smyth

et al. 2022

Global Change Biology

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“…Similarly, the presence of ALAN on a reef can influence whether incoming larvae from distant reefs will settle (e.g. [76][77][78]82]), as well as their probability of post-settlement survival and recruiting to the population (e.g. [36,37]).…”

Section: (C) Altered Source-sink Dynamics Of Marine Metapopulationsmentioning

confidence: 99%

The impacts of artificial light at night on the ecology of temperate and tropical reefs

Fobert,

Miller,

Swearer

et al. 2023

Phil. Trans. R. Soc. B

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Despite 22% of the world's coastal regions experiencing some degree of light pollution, and biologically important artificial light at night (ALAN) reaching large portions of the seafloor (greater than 75%) near coastal developments, the impacts of ALAN on temperate and tropical reefs are still relatively unknown. Because many reef species have evolved in response to low-light nocturnal environments, consistent daily, lunar, and seasonal light cycles, and distinct light spectra, these impacts are likely to be profound. Recent studies have found ALAN can decrease reproductive success of fishes, alter predation rates of invertebrates and fishes, and impact the physiology and biochemistry of reef-building corals. In this paper, we integrate knowledge of the role of natural light in temperate and tropical reefs with a synthesis of the current literature on the impacts of ALAN on reef organisms to explore potential changes at the system level in reef communities exposed to ALAN. Specifically, we identify the direct impacts of ALAN on individual organisms and flow on effects for reef communities, and present potential scenarios where ALAN could significantly alter system-level dynamics, possibly even creating novel ecosystems. Lastly, we highlight large knowledge gaps in our understanding of the overall impact of ALAN on reef systems. This article is part of the theme issue ‘Light pollution in complex ecological systems’.

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“…These studies were preceded by seminal articles focusing on the influence of natural light levels (e.g., moon cycles) on the establishment of barnacles (e.g., Thorson, 1964;Crisp and Ritz, 1973). They were followed by recent studies addressing the differential influence of light pollution on the settlement of acorn barnacles (Semibalanus balanoides) in Atlantic Canada (Lynn et al, 2021b) and Jellhius cirratus and Notochthamalus scabrosus in northern Chile (Manríquez et al, 2021). In both studies, early settling stages (cyprids) were only mildly affected by light pollution, whereas 10.3389/fevo.2022.980776 late settling stages (spats) suffered a significant reduction in density with respect to (naturally dark) controls.…”

Section: Rocky Shores and Related Hard-bottom Speciesmentioning

confidence: 99%

Casting a light on the shoreline: The influence of light pollution on intertidal settings

Lynn

Quijón

2022

Front. Ecol. Evol.

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Light pollution is becoming prevalent among other coastal stressors, particularly along intertidal habitats, arguably the most exposed to anthropogenic light sources. As the number of light pollution studies on sandy beaches, rocky shores and other intertidal habitats raises, commonalities, research gaps and venues can be identified. Hence, the influence of light pollution on the behavior and ecology of a variety of intertidal macro-invertebrates and vertebrates are outlined by examining 54 published studies. To date, a large majority of the reported effects of light pollution are negative, as expected from the analysis of many species with circadian rhythms or nocturnal habits, although the severity of those effects ranges widely. Experimental approaches are well represented throughout but methodological limitations in measurement units and standardization continue to limit the proposal of general conclusions across species and habitats. In addition, studies targeting community variables and the explicit influence of skyglow are heavily underrepresented. Likewise, studies addressing the interaction between light pollution and other natural and anthropogenic stressors are critically needed and represent a key venue of research. The nature of those interactions (synergistic, additive, antagonistic) will likely dictate the impact and management of light pollution in the decades ahead.

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Artificial Light at Night (ALAN) negatively affects the settlement success of two prominent intertidal barnacles in the southeast Pacific

Cited by 10 publications

References 59 publications

Impacts of artificial light at night in marine ecosystems—A review

Impacts of artificial light at night in marine ecosystems—A review

The impacts of artificial light at night on the ecology of temperate and tropical reefs

Casting a light on the shoreline: The influence of light pollution on intertidal settings

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