Bat guilds respond differently to habitat loss and fragmentation at different scales in macadamia orchards in South Africa

Weier, Sina M.; Linden, Valerie M.G.; Hammer, Antonia; Graß, Ingo; Tscharntke, Teja; Taylor, Peter J.

doi:10.1016/j.agee.2021.107588

Cited by 10 publications

(5 citation statements)

References 37 publications

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“…Faria et al (2007) found that shade coffee and cocoa plantations in the neotropics, when adjacent to forests, supported greater bat foraging activity. Our results for NSFD and ESA bats were similar to those of Weier et al (2021), who reported low activity of narrow-space foraging bats in macadamia monocultures of South Africa and more use of macadamia plantations with natural edges by edge-space foraging bats. In the same landscape, open-space foragers used more human-modified habitats.…”

Section: Consistent Positive Effects Of Forest Cover On Activity Of Bat Guildssupporting

confidence: 89%

Stretching the Habitat Envelope: Insectivorous Bat Guilds Can Use Rubber Plantations, but Need Understorey Vegetation and Forest Buffers

Deshpande

Kelkar

Krishnaswamy

et al. 2021

Front. Conserv. Sci.

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Effects of land-cover change on insectivorous bat activity can be negative, neutral or positive, depending on foraging strategies of bats. In tropical agroforestry systems with high bat diversity, these effects can be complex to assess. We investigated foraging habitat use by three insectivorous bat guilds in forests and rubber plantations in the southern Western Ghats of India. Specifically, we monitored acoustic activity of bats in relation to (1) land-cover types and vegetation structure, and (2) plantation management practices. We hypothesized that activity of open-space aerial (OSA) and edge-space aerial (ESA) bat guilds would not differ; but narrow-space, flutter-detecting (NSFD) bat guild activity would be higher, in structurally heterogeneous forest habitats than monoculture rubber plantations. We found that bat activity of all guilds was highest in areas with high forest cover and lowest in rubber plantations. Higher bat activity was associated with understorey vegetation in forests and plantations, which was expected for NSFD bats, but was a surprise finding for OSA and ESA bats. Within land-cover types, open areas and edge-habitats had higher OSA and ESA activity respectively, while NSFD bats completely avoided open habitats. In terms of management practices, intensively managed rubber plantations with regular removal of understorey vegetation had the lowest bat activity for all guilds. Intensive management can undermine potential ecosystem services of insectivorous bats (e.g., insect pest-control in rubber plantations and surrounding agro-ecosystems), and magnify threats to bats from human disturbances. Low-intensity management and maintenance of forest buffers around plantations can enable persistence of insectivorous bats in tropical forest-plantation landscapes.

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Section: Consistent Positive Effects Of Forest Cover On Activity Of Bat Guildssupporting

confidence: 89%

Stretching the Habitat Envelope: Insectivorous Bat Guilds Can Use Rubber Plantations, but Need Understorey Vegetation and Forest Buffers

Deshpande

Kelkar

Krishnaswamy

et al. 2021

Front. Conserv. Sci.

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“…Members of the subfamily Phyllostominae in our sample include species of the genera Lophostoma, Phyllostomus, and Tonatia captured in our study, are considered indicators of preserved habitats with primary or secondary vegetation in an advanced state of regeneration (Faria, 2006;Oliveira and Aguiar, 2015;Palheta et al, 2020;Vieira et al, 2021;Weier et al, 2021). This corroborates that plastic waste tends to be a contaminant of emerging concern and is distributed in all environments, either in atmospheric air or in food of bats through consumption of fruits, insects and small vertebrates.…”

Section: Contamination Of Respiratory and Digestive Systemssupporting

confidence: 74%

The First Record of Ingestion and Inhalation of Micro- and Mesoplastics by Neotropical Bats from the Brazilian Amazon

Correia,

Ribeiro-Brasil,

Garcia

et al. 2024

Acta Chiropterologica

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“…Its presence in urban environments may be related to its ability to use artificial shelters, such as roofs of homes (Esbérard et al, 1999) and benefit from the offer of insects attracted by artificial lighting (Stone et al, 2015). High levels of urbanization result in negative consequences for most insectivorous bats (Cravens and Boyles, 2019;Damásio et al, 2021;Weier et al, 2021), therefore, few insectivorous species may have managed to establish themselves in the parks of Goiânia, reflecting the high level of urbanization around the sampled parks. In addition, new samplings with greater sampling effort and with the use of additional methods, such as ultrasound recorders, can register new species for the city of Goiânia.…”

Section: Discussionmentioning

confidence: 99%

The effect of urbanization on species composition and trophic guilds of bats (Mammalia, Chiroptera) in the Brazilian Savanna

Alencastre-Santos,

Gonçalves,

Correia

et al. 2024

Braz. J. Biol.

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Urban environments present less environmental heterogeneity in relation to the natural ones, affecting the biodiversity of bats and the ecological processes in which they participate. In this way, we will identify how urbanization influences the structure of bat communities in the municipality of Goiânia, Goiás, Brazil. We compared species composition, guilds and bat richness in a gradient that crossed urban, semi-urban and natural areas in the municipality of Goiânia, contained in the Cerrado biome. We captured a total of 775 bats of 16 species distributed in three families. Urban areas had a higher species abundance, while semi-urban areas had a higher species richness. The three types of environments have different compositions, the urban one being more homogeneous, the fauna in these areas is composed of generalist species, which benefit from this process. The diversity present in semi-urban areas is a consequence of the intersection between urban and natural fauna, which is why urban expansion needs to occur in a planned manner to minimize the impacts of this process and ensure the maintenance of biodiversity.

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Bat guilds respond differently to habitat loss and fragmentation at different scales in macadamia orchards in South Africa

Cited by 10 publications

References 37 publications

Stretching the Habitat Envelope: Insectivorous Bat Guilds Can Use Rubber Plantations, but Need Understorey Vegetation and Forest Buffers

Stretching the Habitat Envelope: Insectivorous Bat Guilds Can Use Rubber Plantations, but Need Understorey Vegetation and Forest Buffers

The First Record of Ingestion and Inhalation of Micro- and Mesoplastics by Neotropical Bats from the Brazilian Amazon

The effect of urbanization on species composition and trophic guilds of bats (Mammalia, Chiroptera) in the Brazilian Savanna

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