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Bird Flight Performance. A Practical Calculation Manual, C.J. Pennycuick. Oxford University Press, Oxford (1989), x, +153. Price £25
- Gareth Jones
- Environmental Science
- 1 March 1990
Carpe noctem: the importance of bats as bioindicators
The earth is now subject to climate change and habitat deterioration on unprecedented scales. Monitoring climate change and habitat loss alone is insufficient if we are to understand the effects of…
Identification of twenty‐two bat species (Mammalia: Chiroptera) from Italy by analysis of time‐expanded recordings of echolocation calls
Spectral and temporal features of echolocation calls emitted by 22 bat species from Italy (three rhinolophids, 18 vespertilionids and the molossid Tadarida teniotis) are described and discriminated functions may be applied to bat habitat surveys in southern Italy since they cover most of the species occurring in the area.
Use of foraging habitats by bats in a Mediterranean area determined by acoustic surveys: conservation implications
We determined habitat use by foraging bats by broad-band acoustic surveys in 10 habitat types from a Mediterranean area (southern Italy). We applied discriminant functions to identify time-expanded…
Foraging Strategy and Predation Risk as Factors Influencing Emergence Time in Echolocating Bats
The evening emergence time among echolocating bats appears to be a function of dietary specializations and foraging strategy, and is probably also affected by the ability to avoid predation.
The evolution of echolocation in bats.
Habitat use by bats (Chiroptera) assessed by means of a broad-band acoustic method
Total bat activity was positively correlated with air temperature, and once adjusted for temperature, was significantly higher over rivers and lakes than over other land use types, and plans for land management should take into account the habitat needs of bats.
Abundance and Species Richness of Nocturnal Insects on Organic and Conventional Farms: Effects of Agricultural Intensification on Bat Foraging
- Liat P. Wickramasinghe, S. Harris, Gareth Jones, Nancy VAUGHAN JENNINGS
- Environmental Science
- 1 October 2004
It is suggested that less-intensive farming benefits British bat populations by providing and maintaining diverse and structurally varied habitats, which in turn support a wide selection of insect prey for bats, including insect families that are significant components of the diet of a number of rare bat species.
Torpor, arousal and activity of hibernating Greater Horseshoe Bats (Rhinolophus ferrumequinum)
Patterns of torpor and subsequent activity are consistent with predictions that torpor lasts until a critical metabolic or water imbalance is achieved, and because metabolism and water loss are temperature-dependent, torpor bout duration decreases with increasing temperature.