Functional recovery of Amazonian bat assemblages following secondary forest succession

Farneda, Fábio Z.; Rocha, Ricardo; López‐Baucells, Adrià; Sampaio, Erica M.; Palmeirim, Jorge M.; Bobrowiec, Paulo Estefano Dineli; Grelle, Carlos Eduardo Viveiros; Meyer, Christoph F. J.

doi:10.1016/j.biocon.2017.12.036

Cited by 50 publications

(54 citation statements)

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“…Our results indicate that bat responses in pasture, cropland, and secondary forest are linked to species‐specific differences in terms of foraging requirements. Despite some studies suggesting that these habitats harbor considerable bat taxonomic diversity and provide important foraging habitats for some phytophagous bat species (Avila‐Cabadilla et al, ; Medellín, Equihua, & Amin, ; Moreno & Halffter, ), they host assemblages that significantly differ in richness and composition from those in primary forest (Barlow et al, ; Faria, ; Farneda et al, ; Meyer et al, ). The conservation value of pasture, cropland, and secondary forest for bats critically depends on landscape context, generally being greater in mosaic landscapes where patches of residual tree cover (e.g., riparian vegetation, live fences) are located close to old growth forest (Estrada, Coates‐Estrada, & Meritt, ; Vleut, Levy‐Tacher, Galindo‐González, de Boer, & Ramírez‐Marcial, ).…”

Section: Discussionmentioning

confidence: 99%

“…The conservation value of pasture, cropland, and secondary forest for bats critically depends on landscape context, generally being greater in mosaic landscapes where patches of residual tree cover (e.g., riparian vegetation, live fences) are located close to old growth forest (Estrada, Coates‐Estrada, & Meritt, ; Vleut, Levy‐Tacher, Galindo‐González, de Boer, & Ramírez‐Marcial, ). For secondary forest in particular, their long‐term protection against human land‐use changes is pivotal to achieving significant taxonomic and functional recovery of Neotropical bat assemblages in fragmented landscapes (Farneda et al, , ; Rocha et al, ).…”

Section: Discussionmentioning

confidence: 99%

“…From a functional perspective, phyllostomid bats are a well‐suited indicator group for studying effects of landscape changes in the tropics because they display high species richness, abundance, variation in morphology, foraging behavior, and fulfill crucial roles as pollinators, seed dispersers, prey, and predators (Kunz, Torrez, Bauer, Lobova, & Fleming, ; Meyer, Struebig, & Willig, ). Few studies to date have explored the impact of human‐induced habitat changes on the diversity and structure of Neotropical bat assemblages focusing on the functional dimension of biodiversity (but see Cisneros, Fagan, & Willig, ; Farneda et al, ; Garcia‐Morales et al, ; Pereira, Fonseca, & Aguiar, ). These studies generally point to an inverse relationship between functional diversity and land‐use intensity, suggesting that the preservation of a large proportion of the ecological functions in a community requires the conservation of vast areas of primary forests.…”

Section: Introductionmentioning

confidence: 99%

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Effects of land‐use change on functional and taxonomic diversity of Neotropical bats

2019

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Human land‐use changes are particularly extensive in tropical regions, representing one of the greatest threats to terrestrial biodiversity and a key research topic in conservation. However, studies considering the effects of different types of anthropogenic disturbance on the functional dimension of biodiversity in human‐modified landscapes are rare. Here, we obtained data through an extensive review of peer‐reviewed articles and compared 30 Neotropical bat assemblages in well‐preserved primary forest and four different human‐disturbed habitats in terms of their functional and taxonomic diversity. We found that disturbed habitats that are structurally less similar to primary forest (pasture, cropland, and early‐stage secondary forest) were characterized by a lower functional and taxonomic diversity, as well as community‐level functional uniqueness. These habitats generally retained fewer species that perform different ecological functions compared to higher‐quality landscape matrices, such as agroforestry. According to functional trait composition, different bat ensembles respond differently to landscape change, negatively affecting mainly gleaning insectivorous bats in pasture, narrow‐range species in cropland, and heavier animalivorous bats in secondary forest. Although our results highlight the importance of higher‐quality matrix habitats to support elevated functional and taxonomic bat diversity, the conservation of bat species that perform different ecological functions in the mosaic of human‐modified habitats also depends on the irreplaceable conservation value of well‐preserved primary forests. Our study based on a pooled analysis of individual studies provides novel insights into the effects of different human‐modified habitats on Neotropical bat assemblages.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of land‐use change on functional and taxonomic diversity of Neotropical bats

2019

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“…A focus on the phylogenetic dimension of biodiversity has allowed us to complement our 389 previous analyses that approached bat responses to landscape fragmentation at the BDFFP 390 from taxonomic and functional perspectives Farneda et al 2018). The 391 reduction of total evolutionary history in the smallest fragments, particularly in the 392 surrounding matrix, was apparently selective and resulted in assemblages comprised of 393 closely related bat lineages with similar traits due to environmental filtering.…”

Section: New Insights Gained From a Focus On The Phylogenetic Biodivementioning

confidence: 99%

Erosion of phylogenetic diversity in Neotropical bat assemblages: findings from a whole-ecosystem fragmentation experiment

Aninta

Rocha

López‐Baucells

et al. 2019

Preprint

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18Our study highlights the erosion of phylogenetic diversity of bat assemblages associated with habitat fragmentation and degradation in the world's largest and longest-running whole-ecosystem fragmentation experiment. This work advances our understanding of the effects of habitat modification on bats as key ecosystem service providers in tropical ecosystems. Abstract 19The traditional focus on taxonomic diversity metrics for investigating species responses to 20 habitat loss and fragmentation has limited our understanding on how biodiversity is impacted 21 by habitat modification. This is particularly true for taxonomic groups such as bats which 22 exhibit species-specific responses. Here, we investigate phylogenetic alpha and beta diversity 23 of Neotropical bat assemblages across two environmental gradients, one in habitat quality and 24 one in habitat amount. We surveyed bats in 39 sites located across a whole-ecosystem 25 fragmentation experiment in the Brazilian Amazon, representing a gradient of habitat quality 26 (interior-edge-matrix, hereafter IEM) in both continuous forest and forest fragments of 27 different sizes (1, 10, and 100 ha; forest size gradient). For each habitat category, we 28 quantified alpha and beta phylogenetic diversity, then used linear models and cluster analysis 29 to explore how forest area and IEM gradient affect phylogenetic diversity. We found that the 30 secondary forest matrix harboured significantly lower total evolutionary history compared to 31 the fragment interiors, especially the 1 ha fragments, containing bat assemblages with more 32 closely related species. Forest fragments ≥10 ha had levels of phylogenetic richness similar to 33 continuous forest, suggesting that large fragments retain considerable levels of evolutionary 34 history. The edge and matrix adjacent to large fragments tend to have closely related lineages 35 nonetheless, suggesting phylogenetic homogenization in these IEM gradient categories. Thus, 36 despite the high mobility of bats, fragmentation still induces considerable levels of erosion of 37 phylogenetic diversity, suggesting that the various evolutionary history might not be able to 38 persist in present-day human-modified landscapes. 39

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“…monocultures), since pioneer plants have been observed to be abundant in low intensity crops, and their abundance decreases as intensity increases (Williams-Guillén & Perfecto 2010) . We also expected these three guilds to remain tolerant throughout the different ages of secondary forests, since pioneer plants are abundant in these habitats due to the succession process (Castro-Luna et al 2007;de la Peña-Cuéllar et al 2012;Farneda et al 2018) .…”

Section: Introductionmentioning

confidence: 99%

Trophic guild and forest type explain phyllostomid bat abundance variation from human habitat disturbance

Carballo-Morales¹,

Saldaña‐Vázquez

Villalobos³

2020

Preprint

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The loss of tropical forest cover caused by land-use change is causing a reduction in functional groups, such as trophic guilds. Phyllostomid bats (family Phyllostomidae) are essential in the Neotropics since they occupy up to six trophic guilds, and are pollinators, seed dispersers, and regulators of vertebrate and invertebrate populations. In this study, a series of meta-analyses were performed in order to analyse their response to habitat disturbance. Data were obtained through a comprehensive literature review whereby we measured the abundance of phyllostomid bats in disturbed habitats and conserved forests. We found that the abundance of phytophagous bats depends on the type of habitat disturbance and the type of forest where it occurs. On the other hand, animal-feeding bats reduce their abundance in any disturbed habitat regardless of disturbance type and forest type. No phylogenetic signal was found in the response of bats to habitat disturbance, nor was the response found to be dependent on the type of crop, the age of the secondary forest, or the distance to a conserved forest. These results demonstrate that feeding and the type of forest where the disturbance occurs are important aspects to understand the reduction of animal populations in the face of habitat destruction processes. This has implications on the conservation of species and their function in ecosystems.HighlightsNo phylogenetic signal was found in the abundance of bats in disturbed habitats.The abundance of bats in disturbed habitats depends on the trophic guild.Forest altitude influences the abundance of bats in disturbed habitats.Animal-feeding bats reduced their abundance in disturbed habitats regardless of disturbance type and forest type.

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Functional recovery of Amazonian bat assemblages following secondary forest succession

Cited by 50 publications

References 54 publications

Effects of land‐use change on functional and taxonomic diversity of Neotropical bats

Effects of land‐use change on functional and taxonomic diversity of Neotropical bats

Erosion of phylogenetic diversity in Neotropical bat assemblages: findings from a whole-ecosystem fragmentation experiment

Trophic guild and forest type explain phyllostomid bat abundance variation from human habitat disturbance

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