Artificial light at night as a driver of urban colonization by an avian predator

Rodríguez, Airam; Orozco-Valor, Paula M.; Sarasola, José Hernán

doi:10.1007/s10980-020-01132-3

Cited by 22 publications

(16 citation statements)

References 60 publications

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“…Urbanization has resulted in habitat fragmentation that threatens many wildlife species and communities (Öckinger et al 2010, Barr et al 2015, Amburgey et al 2021), but there is ample evidence of the persistence of many other species, including predators, in developed landscapes (e.g., Haverland and Veech 2017, Parsons et al 2018, White et al 2018. Positive responses to urbanization have often been associated with availability of anthropogenic food (Newsome et al 2015) or increased abundance of prey in the form of insects, small mammals, or birds (Fischer et al 2012, McCabe et al 2018, Rodríguez et al 2021). Negative responses have generally been associated with habitat loss and/or disturbance (e.g., edge effects) and various forms of pollution (Schneider et al 2015, Gaba and Vashishat 2018, Fröhlich and Ciach 2019.…”

Section: Habitat-patch Occupancy Of Western Screech-owls In Suburban ...mentioning

confidence: 99%

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2022

WBirds

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Understanding birds' evolving responses to urbanization is an essential aspect of contemporary biology, and knowledge of the responses of nocturnal species lags behind that of diurnal species. In this issue of Western Birds, Jonah Gula addresses the occurrence of the Western Screech-Owl in a mosaic of oak woodland, chaparral, and residential development in the foothills of San Diego County, California. He found the owl more reliably in larger patches of woodland and in patches adjacent to undeveloped chaparral. But the distance to and size of the next nearest patch of woodland were unrelated to the owl's occurrence, suggesting the birds disperse readily across the habitats separating the woodland patches.

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Section: Habitat-patch Occupancy Of Western Screech-owls In Suburban ...mentioning

confidence: 99%

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2022

WBirds

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“…Attraction of isolated lights can also have second-order effects, for example through attraction of predators (e.g., spiders, frogs, bats) to aggregations of prey that have been directly attracted (Canário et al 2012;Minnaar et al 2015;Rodríguez et al 2021).…”

Section: Isolated Sourcesmentioning

confidence: 99%

“…For example, fireflies and glow worms may find it harder to detect light signals made by other individuals (e.g., Owens and Lewis 2018 ; Desouhant et al 2019 ; Lewis et al 2020 ). Attraction of isolated lights can also have second-order effects, for example through attraction of predators (e.g., spiders, frogs, bats) to aggregations of prey that have been directly attracted ( Canário et al 2012 ; Minnaar et al 2015 ; Rodríguez et al 2021 ).…”

Section: Isolated Sourcesmentioning

confidence: 99%

Pervasiveness of Biological Impacts of Artificial Light at Night

Gaston

Ackermann

Bennie

et al. 2021

Integrative and Comparative Biology

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Artificial light at night (ALAN) and its associated biological impacts have regularly been characterised as predominantly urban issues. Although far from trivial, this would imply that these impacts only affect ecosystems that are already heavily modified by humans and are relatively limited in their spatial extent, at least as compared with some key anthropogenic pressures on the environment that attract much more scientific and public attention, such as climate change or plastic pollution. However, there are a number of reasons to believe that ALAN and its impacts are more pervasive, and therefore need to be viewed from a broader geographic perspective rather than an essentially urban one. Here we address, in turn, 11 key issues when considering the degree of spatial pervasiveness of the biological impacts of ALAN. First, the global extent of ALAN is likely itself commonly underestimated, as a consequence of limitations of available remote sensing data sources and how these are processed. Second and third, more isolated (rural) and mobile (e.g., vehicle headlight) sources of ALAN may have both very widespread and important biological influences. Fourth and fifth, the occurrence and impacts of ALAN in marine systems and other remote settings, need much greater consideration. Sixth, seventh and eighth, there is growing evidence for important biological impacts of ALAN at low light levels, from skyglow, and over long distances (because of the altitudes from which it may be viewed by some organisms), all of which would increase the areas over which impacts are occurring. Ninth and tenth, ALAN may exert indirect biological effects that may further expand these areas, because it has a landscape ecology (modifying movement and dispersal and so hence with effects beyond the direct extent of ALAN), and because ALAN interacts with other anthropogenic pressures on the environment. Finally, ALAN is not stable, but increasing rapidly in global extent, and shifting towards wavelengths of light that often have greater biological impacts.

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“…Data will be available from the Dryad Digital Repository: <http://dx.doi.org/10.5061/dryad.j3tx95xd5> (Rodríguez et al 2021).…”

Section: Transparent Peer Reviewmentioning

confidence: 99%

Exotic tree plantations as alternative breeding habitat for an endemic avian predator

Rodríguez¹,

Rodríguez

Lorenzo³

et al. 2021

Journal of Avian Biology

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Forest-dwelling raptors living on islands are more vulnerable than continental relatives due to their particular life history traits and habitat degradation. The Canary Islands' forests have suffered severe transformations because of intense human exploitation since its colonization by the Europeans. In recent decades, forest managers have initiated actions to restore the original ecosystems. Consequently, gathering knowledge on the relationships between habitat and reproduction output of forest species is essential to develop long-term conservation actions. Here, we explore the suitability of exotic tree plantations as breeding habitat for an island endemic raptor, the Macaronesian sparrowhawk Accipiter nisus granti. We monitored territories distributed in three main forest types, two native (laurel forest and Canarian pinewood) and one composed of exotic trees. We assessed breeding density, characterized nesting habitat at macro-, micro-habitat and nest tree levels, and estimated breeding parameters in the three forests. We evaluated habitat selection and its potential relationship with breeding parameters, as well as nest structure survival in native versus exotic tree species. Density was higher in exotic forests and habitat features differed among forests at three spatial scales. Sparrowhawks used areas with high cover of exotic trees, with high trees, far away from human settlements and at low altitudes. All models testing for differences in breeding success and productivity among the forest types were not significant, but the percentage of successful pairs was slightly higher in exotic tree plantations than in native forests. Nest structures located in exotic trees showed a higher annual survival than those placed in native trees. Our results indicate that exotic plantations are a secure nesting habitat and therefore forestry practices, including those aiming to eradicate exotic trees, must be carefully planned to avoid nest destruction or disturbance in occupied forest patches.

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Artificial light at night as a driver of urban colonization by an avian predator

Cited by 22 publications

References 60 publications

Untitled

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Pervasiveness of Biological Impacts of Artificial Light at Night

Exotic tree plantations as alternative breeding habitat for an endemic avian predator

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