Importance of prairie riparian zones to bats in southeastern Alberta

Holloway, Gillian L.; Barclay, Robert M. R.

doi:10.1080/11956860.2000.11682579

Cited by 55 publications

(68 citation statements)

References 17 publications

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“…Our results were in line with studies that showed the preference of bats for streams that run through a broadleaved deciduous forest (Holloway and Barclay 2000;Lloyd et al 2006). Both types of habitats are important for both aquatic and terrestrial insects, and these habitats harbor large quantities and diverse species of insects (Fukui et al 2006).…”

Section: Habitat Preference Of Batssupporting

confidence: 93%

“…River and riparian habitats are some of the most important habitats for foraging, drinking, and commuting for a broad range of bat species throughout the world (Ciechanowski 2002;Holloway and Barclay 2000;Lloyd et al 2006;Racey et al 1998;Whitaker 2004). Therefore, protecting these aquatic-terrestrial interrelated ecosystems is a high priority for bat management and conservation (Fukui et al 2006).…”

Section: Introductionmentioning

confidence: 99%

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Relative importance of the environmental factors at site and landscape scales for bats along the riparian zone

Akasaka

Yanagawa

2010

Landscape Ecol Eng

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To conserve and manage the bat population in an agricultural landscape, we investigated the relative importance of environmental factors on their occurrence and abundance in riparian zones at site and landscape scales. From May to October 2003, four bat species (Myotis daubentonii, M. frater, Plecotus auritus, and Eptesicus nilssonii) were mist-netted at 26 sampling sites in five streams in the Tokachi plain in central Hokkaido, northern Japan. The environmental factors of the two scales were measured at each sampling site. To clarify the most suitable landscape scale for bats, we also compared three spatial extents (250, 500, and 750 m) at each site. Generalized linear mixed models revealed that the occurrence and/or abundance of all four species, except for M. frater, was positively correlated with the percent cover of broadleaved deciduous forest and the height of bank-side tree canopy. Additionally, according to variation partitioning, although the value of the pure effect varied among species and measurement types, the site scale had a relatively larger pure effect than the landscape scale in many cases. However, in three of the five combined models, the proportion of confounding effect was much larger than that of the pure effect at the respective scales. Our study demonstrated that streams adjacent to a well-developed broadleaved deciduous forest are important for night habitats of many bat species in an agricultural landscape. Although focusing on the site scale may be important for bat conservation, we strongly stress the necessity for conservation and management plans at multiple scales.

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Section: Habitat Preference Of Batssupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Relative importance of the environmental factors at site and landscape scales for bats along the riparian zone

Akasaka

Yanagawa

2010

Landscape Ecol Eng

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“…We analyzed the use of landscape features by bats across three scales in the Great Plains of North America and found that bat activity was positively associated with trees in all four species investigated. The importance of trees highlights the value of riparian forests to bats in rangeland ecosystems (Holloway & Barclay, 2000). The importance of trees highlights the value of riparian forests to bats in rangeland ecosystems (Holloway & Barclay, 2000).…”

Section: Discussionmentioning

confidence: 99%

Habitat associations of bats in a working rangeland landscape

Trubitt

Hovick

Gillam

et al. 2018

Ecology and Evolution

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Land‐use change has resulted in rangeland loss and degradation globally. These changes include conversion of native grasslands for row‐crop agriculture as well as degradation of remaining rangeland due to fragmentation and changing disturbance regimes. Understanding how these and other factors influence wildlife use of rangelands is important for conservation and management of wildlife populations. We investigated bat habitat associations in a working rangeland in southeastern North Dakota. We used Petterson d500x acoustic detectors to systematically sample bat activity across the study area on a 1‐km point grid. We identified calls using Sonobat autoclassification software. We detected five species using this working rangeland, which included Lasionycteris noctivagans (2,722 detections), Lasiurus cinereus (2,055 detections), Eptesicus fuscus (749 detections), Lasiurus borealis (62 detections), and Myotis lucifugus (1 detection). We developed generalized linear mixed‐effects models for the four most frequently detected species based on their ecology. The activity of three bat species increased with higher tree cover. While the scale of selection varied between the four species, all three investigated scales were explanatory for at least one bat species. The broad importance of trees to bats in rangelands may put their conservation needs at odds with those of obligate grassland species. Focusing rangeland bat conservation on areas that were treed prior to European settlement, such as riparian forests, can provide important areas for bat conservation while minimizing negative impacts on grassland species.

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“…Given the importance of treed, riparian habitat to Prairie bats (Holloway and Barclay 2000), all sites were located along rivers and tributaries within the Bow, Red Deer and Oldman River sub-basins. We wanted to isolate the effects of urbanization from those of habitat, so all field sites had flowing water and native trees, particularly poplars, that could potentially be used by bats as roosts.…”

Section: Study Sitesmentioning

confidence: 99%

Urbanization and the abundance and diversity of Prairie bats

Coleman

Barclay

2011

Urban Ecosyst

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The effects of urbanization on biodiversity are generally considered to be negative, but the potential for landscape context to modulate these effects has not been adequately examined because most urban ecology research has been conducted in one biome: the temperate forest. This bias also applies to studies of the urban ecology of bats, whose diversity is correlated with habitat heterogeneity. We investigated the hypothesis that in the fairly flat, homogeneous Prairies, urbanization, by creating structurally complex islands, benefits bats by increasing access to the vertical landscape elements (buildings and trees) in which they roost. From 2006 to 2008, we surveyed bat assemblages in and around Calgary, Alberta, using mist nets to capture them and bat detectors to record their echolocation activity. Our data supported the prediction that urbanization increases the abundance of Prairie bats, but not the prediction that it increases their diversity. Instead, the urban bat assemblage was less diverse, and exhibited decreased species evenness compared to non-urban assemblages. Although Myotis lucifugus dominated bat assemblages throughout our study area, this was most evident in the city, and this species drove the increased urban abundance of bats. Ultimately, we reject our hypothesis and conclude that urbanization in the Prairies may create attractive habitat for one synanthropic bat, but is detrimental to others.

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Importance of prairie riparian zones to bats in southeastern Alberta

Cited by 55 publications

References 17 publications

Relative importance of the environmental factors at site and landscape scales for bats along the riparian zone

Relative importance of the environmental factors at site and landscape scales for bats along the riparian zone

Habitat associations of bats in a working rangeland landscape

Urbanization and the abundance and diversity of Prairie bats

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