Linking bird species traits to vegetation characteristics in a future urban development zone: implications for urban planning

Ikin, Karen; Knight, Emma; Lindenmayer, David B.; Fischer, Joern; Manning, Adrian D.

doi:10.1007/s11252-012-0247-2

Cited by 39 publications

(22 citation statements)

References 71 publications

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“…; Ikin et al . ). However, to our knowledge, such trait‐based approaches have never been used in a framework on prey–predator functional foraging.…”

Section: Introductionmentioning

confidence: 97%

“…The main advantages of these methods are that (i) multiple traits and environmental variables can be assigned and tested (univariate analysis in fourth-corner method and multivariate analysis in RLQ) and (ii) functional groups of traits can be identified and linked to key functions of ecosystems. Thus, these approaches have been applied to a wide range of species including plants, insects, fish, birds or bats in diverse ecosystems (Barbaro & Van Halder 2009;Brind'Amour et al 2011;Hanspach et al 2012;Ikin et al 2012). However, to our knowledge, such trait-based approaches have never been used in a framework on prey-predator functional foraging.…”

Section: Introductionmentioning

confidence: 99%

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Let's go beyond taxonomy in diet description: testing a trait‐based approach to prey–predator relationships

Spitz

Ridoux

Brind’Amour

2014

Journal of Animal Ecology

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Summary1. Understanding 'Why a prey is a prey for a given predator?' can be facilitated through trait-based approaches that identify linkages between prey and predator morphological and ecological characteristics and highlight key functions involved in prey selection. 2. Enhanced understanding of the functional relationships between predators and their prey is now essential to go beyond the traditional taxonomic framework of dietary studies and to improve our knowledge of ecosystem functioning for wildlife conservation and management. 3. We test the relevance of a three-matrix approach in foraging ecology among a marine mammal community in the northeast Atlantic to identify the key functional traits shaping prey selection processes regardless of the taxonomy of both the predators and prey. 4. Our study reveals that prey found in the diet of marine mammals possess functional traits which are directly and significantly linked to predator characteristics, allowing the establishment of a functional typology of marine mammal-prey relationships. We found prey selection of marine mammals was primarily shaped by physiological and morphological traits of both predators and prey, confirming that energetic costs of foraging strategies and muscular performance are major drivers of prey selection in marine mammals. 5. We demonstrate that trait-based approaches can provide a new definition of the resource needs of predators. This framework can be used to anticipate bottom-up effects on marine predator population dynamics and to identify predators which are sensitive to the loss of key prey functional traits when prey availability is reduced.

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“…; Ikin et al . ). However, to our knowledge, such trait‐based approaches have never been used in a framework on prey–predator functional foraging.…”

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Let's go beyond taxonomy in diet description: testing a trait‐based approach to prey–predator relationships

Spitz

Ridoux

Brind’Amour

2014

Journal of Animal Ecology

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“…Mobility derived from Reid 1999 andLindenmayer et al 2011. Body size and nesting traits derived from Ikin et al 2012 andLindenmayer et al 2011. Full references are provided below.…”

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confidence: 99%

Avifauna and urban encroachment in time and space

Rayner

Ikin

Evans

et al. 2014

Diversity and Distributions

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Urban expansion significantly alters fringe environments often with undesirable impacts on biodiversity. Consequently, there is a need to define clear conservation objectives for areas subject to urban encroachment. Urban fringe development is a highly dynamic process, both spatially and temporally, but few studies are equipped to examine its temporal effects on biota. We aimed to explore the impacts of urban encroachment on avifauna through space and time. We used records from an extensive 14-year monitoring program undertaken in temperate woodland. We fitted hierarchical generalised linear models to assess individual species responses to the distance from monitoring sites to the urban boundary, and the temporal rate of change in this distance through time. We used factorial analysis on mixed data to examine trait group responses to these predictors.Our results indicated that the occurrence of approximately half of the study region's avifauna is strongly linked to the proximity of their habitat to the urban fringe, but that the impact of urban fringe development on the occurrence of some species changed through time. We identified several species of conservation concern that respond negatively to large annual increases in urban fringe development, irrespective of its proximity to suitable habitat. Species responses to urban proximity were linked to life history traits, with small, migratory, woodland-dependent species that rely on midand upper-canopy structures, clearly disadvantaged by urban environments. Our findings demonstrate the breadth of species responses to urban encroachment over much larger distances than is typically investigated in urban ecological studies. We identify guilds vulnerable to the impacts of urban fringe development, and therefore in need of ecologically sensitive urban design. We argue that future urban expansion toward important fringe habitats will need to be planned strategically through space and time. 12 years. Image source:Google Earth.

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“…One factor enabling wood pigeons to flexibly change their habitat use in cities could also be the arboreal lifestyle of the species. According to Ikin, Knight, Lindenmayer, Fischer, and Manning (2012), arboreal lifestyle, as compared to foraging in the ground layer, is one factor promoting successful urbanisation in birds.…”

Section: Habitatsmentioning

confidence: 99%