Designing surveys for microchiropteran bats in complex forest landscapes—a pilot study from south-east Australia

Mills, Douglas J; Norton, TW; Parnaby, Harry; Cunningham, Ross B.; Nix, H. A.

doi:10.1016/s0378-1127(96)03756-5

Cited by 30 publications

(21 citation statements)

References 18 publications

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“…One example is the abrupt frequency changes in calls of V. vulturnus in southern NSW. Vespadelus vulturnus cooccurs with V. regulus at Eden (Law and Chidel, 2001), but V. regulus is absent or very rare from low altitudes further north (Mills et al, 1996). Yet, the discovery of similar distributional limits for a cryptic species of Antechinus, a small, insectivorous marsupial, lends support to the existence of cryptic species within the Vespadelus.…”

Section: Discussionmentioning

confidence: 95%

Geographic Variation in the Echolocation Calls ofVespadelusspp. (Vespertilionidae) from New South Wales and Queensland, Australia

Law¹,

Reinhold

Pennay

2002

Acta Chiropterologica

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Section: Discussionmentioning

confidence: 95%

Geographic Variation in the Echolocation Calls ofVespadelusspp. (Vespertilionidae) from New South Wales and Queensland, Australia

Law¹,

Reinhold

Pennay

2002

Acta Chiropterologica

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“…This guild was likely to be dominated by V. darlingtoni, however. V. regulus occurs in southeastern NSW but is unlikely to occur in large numbers on the coastal plain where our study occurred (Mills et al, 1996;C. Tidemann, pers.…”

Section: Bat and Insect Samplingmentioning

confidence: 86%

“…comm;pers. obs.; but see Glass, 1993), while M. schreibersii oceanensis has only rarely been detected there (Glass, 1993;Mills et al, 1996;pers. obs.).…”

Section: Bat and Insect Samplingmentioning

confidence: 99%

Vegetation structure influences the vertical stratification of open- and edge-space aerial-foraging bats in harvested forests

Adams

Law

French

2009

Forest Ecology and Management

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“…Each call was assigned an identification confidence rating of either definite, probable, possible or unidentified (Mills et al 1996). To ensure that identifications were consistent, 100 calls were randomly chosen and re-identified, of which 100 were assigned the same identification and 97 given the same confidence rating.…”

Section: Call Identificationmentioning

confidence: 99%

Microbats in a ‘leafy’ urban landscape: are they persisting, and what factors influence their presence?

Basham

Law²,

Banks

2010

Austral Ecology

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Urbanization is an extreme form of habitat modification, but retention of native vegetation in bushland reserves may improve the ecological sustainability of cities. We focused on bats (Microchiroptera) and investigated the use of the urban matrix and surrounding bushland in a region of Sydney, Australia, where remnant bushland persists and gardens often support large trees. Ultrasonic surveys were conducted at 40 sites over one summer season in the backyard matrix, bushland remnants and surrounding National Parks to determine which species were present, and the influence of landscape elements and habitat characteristics on activity, species richness and presence of individual species. In total, 15 of the 17 microbat species known from the Sydney region were recorded in the study area. Yet only three of these species, Chalinolobus gouldii, Mormopterus species 2 and Miniopterus schreibersii were present in more than 40% of sites. Bat activity was significantly higher in remnant bushland on shale soils and in backyards, compared with sandstone gully and ridge remnants, or reference sites in nearby National Parks. Furthermore, species assemblages in urban areas were different from assemblages in reference sites. Of all the habitat characteristics examined, the amount of bushland within 0.5-3 km surrounding a site and tree density were the most common predictors of individual species presence, particularly rare species. Area of bushland, hollow abundance and average tree diameter were positively correlated with species richness, while tree diameter was the strongest predictor of total microbat activity.The proximity of large areas of bushland and the many trees remaining in residential areas of the northern 'leafy' suburbs of Sydney allowed the persistence of a range of bat species. The higher bat activity on fertile shale soils indicated that bushland remnants embedded within cities can have high conservation value for bats. Surveys in more urbanized areas of Sydney are needed to test predictions of the models derived in this study.

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Designing surveys for microchiropteran bats in complex forest landscapes—a pilot study from south-east Australia

Cited by 30 publications

References 18 publications

Geographic Variation in the Echolocation Calls ofVespadelusspp. (Vespertilionidae) from New South Wales and Queensland, Australia

Geographic Variation in the Echolocation Calls ofVespadelusspp. (Vespertilionidae) from New South Wales and Queensland, Australia

Vegetation structure influences the vertical stratification of open- and edge-space aerial-foraging bats in harvested forests

Microbats in a ‘leafy’ urban landscape: are they persisting, and what factors influence their presence?

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