Bats and aquatic habitats: a review of habitat use and anthropogenic impacts

Salvarina, Ioanna

doi:10.1111/mam.12059

Cited by 62 publications

(51 citation statements)

References 96 publications

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“…3). Riparian areas are important habitats for urban bats (Krauel & LeBuhn 2016;Salvarina 2016;Straka et al 2016). Although we were unable to include open water as a variable, our landscape predictions illustrate that it is an important feature on the landscape for bats.…”

Section: Discussionmentioning

confidence: 99%

Need for multiscale planning for conservation of urban bats

Gallo

Lehrer

Fidino

et al. 2018

Conservation Biology

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For over a century there have been continual efforts to incorporate nature into urban planning. These efforts (i.e., urban reconciliation) aim to manage and create habitats that support biodiversity within cities. Given that species select habitat at different spatial scales, understanding the scale at which urban species respond to their environment is critical to the success of urban reconciliation efforts. We assessed species-habitat relationships for common bat species at 50-m, 500-m, and 1 km spatial scales in the Chicago (U.S.A.) metropolitan area and predicted bat activity across the greater Chicago region. Habitat characteristics across all measured scales were important predictors of silver-haired bat (Lasionycteris noctivagans) and eastern red bat (Lasiurus borealis) activity, and big brown bat (Eptesicus fuscus) activity was significantly lower at urban sites relative to rural sites. Open vegetation had a negative effect on silver-haired bat activity at the 50-m scale but a positive effect at the 500-m scale, indicating potential shifts in the relative importance of some habitat characteristics at different scales. These results demonstrate that localized effects may be constrained by broader spatial patterns. Our findings highlight the importance of considering scale in urban reconciliation efforts and our landscape predictions provide information that can help prioritize urban conservation work.

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Section: Discussionmentioning

confidence: 99%

Need for multiscale planning for conservation of urban bats

Gallo

Lehrer

Fidino

et al. 2018

Conservation Biology

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“…Aquatic insects can enter the terrestrial landscape, for example, and become a part of its food web. Bats and other terrestrial animals often feed on aquatic insects; thus, water bodies and riparian areas are important habitats for bats (reviewed in Salvarina, ). Water availability has been positively related to bat species richness (McCain, ); therefore, understanding the dependency of bats on aquatic food resources is crucial for conservation efforts.…”

Section: Introductionmentioning

confidence: 99%

“…Water availability has been positively related to bat species richness (McCain, ); therefore, understanding the dependency of bats on aquatic food resources is crucial for conservation efforts. Studies that show bat dependence on aquatic resources are more numerous for rivers and streams, than for lakes (36%, 23%, and 17% studies found, respectively, in the total of papers reviewed in Salvarina, ); therefore, lake systems and their importance for bats need further investigation.…”

Section: Introductionmentioning

confidence: 99%

Seasonal bat activity related to insect emergence at three temperate lakes

Salvarina

Gravier

Rothhaupt

2018

Ecology and Evolution

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Knowledge of aquatic food resources entering terrestrial systems is important for food web studies and conservation planning. Bats, among other terrestrial consumers, often profit from aquatic insect emergence and their activity might be closely related to such events. However, there is a lack of studies which monitor bat activity simultaneously with aquatic insect emergence, especially from lakes. Thus, our aim was to understand the relationship between insect emergence and bat activity, and investigate whether there is a general spatial or seasonal pattern at lakeshores. We assessed whole‐night bat activity using acoustic monitoring and caught emerging and aerial flying insects at three different lakes through three seasons. We predicted that insect availability and seasonality explain the variation in bat activity, independent of the lake size and characteristics. Spatial (between lakes) differences of bat activity were stronger than temporal (seasonal) differences. Bat activity did not always correlate to insect emergence, probably because other factors, such as habitat characteristics, or bats’ energy requirements, play an important role as well. Aerial flying insects explained bat activity better than the emerged aquatic insects in the lake with lowest insect emergence. Bats were active throughout the night with some activity peaks, and the pattern of their activity also differed among lakes and seasons. Lakes are important habitats for bats, as they support diverse bat communities and activity throughout the night and the year when bats are active. Our study highlights that there are spatial and temporal differences in bat activity and its hourly nocturnal pattern, that should be considered when investigating aquatic–terrestrial interactions or designing conservation and monitoring plans.

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“…Despite physiological adaptations for reduced evaporative water loss rates (Muñoz-Garcia et al, 2016), access to free water and roosting are thought to be the main factors driving bat activity and reproductive success in arid environments (Adams & Hayes, 2008;Williams & Dickman, 2004). Yet thus far arid regions have been under-represented in studies examining the use of water resources by bats (Salvarina, 2016).…”

Section: Introductionmentioning

confidence: 99%

The role of climate, water and biotic interactions in shaping biodiversity patterns in arid environments across spatial scales

Razgour

Persey

Shamir

et al. 2018

Diversity and Distributions

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Aim: Desert ecosystems, with their harsh environmental conditions, hold the key to understanding the responses of biodiversity to climate change. As desert community structure is influenced by processes acting at different spatial scales, studies combining multiple scales are essential for understanding the conservation requirements of desert biota. We investigated the role of environmental variables and biotic interactions in shaping broad and fine-scale patterns of diversity and distribution of bats in arid environments to understand how the expansion of nondesert species can affect the long-term conservation of desert biodiversity.Location: Levant, Eastern Mediterranean. Methods:We combine species distribution modelling and niche overlap statistics with a statistical model selection approach to integrate interspecific interactions into broadscale distribution models and fine-scale analysis of ecological requirements. We focus on competition between desert bats and mesic species that recently expanded their distribution into arid environment following anthropogenic land-use changes. Results:We show that both climate and water availability limit bat distributions and diversity across spatial scales. The broadscale distribution of bats was determined by proximity to water and high temperatures, although the latter did not affect the distribution of mesic species. At the fine-scale, high levels of bat activity and diversity were associated with increased water availability and warmer periods. Desert species were strongly associated with warmer and drier desert types. Range and niche overlap were high among potential competitors, but coexistence was facilitated through fine-scale spatial partitioning of water resources. Main conclusions:Adaptations to drier and warmer conditions allow desert-obligate species to prevail in more arid environments. However, this competitive advantage may disappear as anthropogenic activities encroach further into desert habitats. We conclude that reduced water availability in arid environments under future climate change projections pose a major threat to desert wildlife because it can affect survival and reproductive success and may increase competition over remaining water resources. K E Y W O R D Sbats, desert biogeography, global change, interspecific competition, invasive species, niche overlap, species distribution modelling, water resourcesThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Bats and aquatic habitats: a review of habitat use and anthropogenic impacts

Cited by 62 publications

References 96 publications

Need for multiscale planning for conservation of urban bats

Need for multiscale planning for conservation of urban bats

Seasonal bat activity related to insect emergence at three temperate lakes

The role of climate, water and biotic interactions in shaping biodiversity patterns in arid environments across spatial scales

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