Roost Fidelity and Fission–Fusion Dynamics of White-striped Free-tailed Bats (Tadarida australis)

Rhodes, Monika

doi:10.1644/06-mamm-a-374r1.1

Cited by 47 publications

(35 citation statements)

References 25 publications

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“…Drought is known to reduce the abundance of insects in temperate zones (Frampton et al 2000) and thus affect reproduction in insectivorous bats (Rhodes 2007). An eight year study by Bogan and Lytle (2011) on aquatic insects living in two study pools of a formerly perennial desert stream in the Whetstone Mountains of Arizona, USA, showed that complete water loss followed by intermittent flow caused a catastrophic regime shift in community structure that did not recover to the pre-drying configuration even after four years.…”

Section: Bodies Of Water As a Foraging Habitatmentioning

confidence: 99%

Bats and Water: Anthropogenic Alterations Threaten Global Bat Populations

Korine

Adams

Russo

et al. 2015

Bats in the Anthropocene: Conservation of Bats in a Changing World

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Natural bodies of open water in desert landscapes, such as springs and ephemeral pools, and the plant-life they support, are important resources for the survival of animals in hyper arid, arid and semi-arid (dryland) environments. Human-made artificial water sources, i.e. waste-water treatment ponds, catchments and reservoirs, have become equally important for wildlife in those areas. Bodies of open water are used by bats either for drinking and/or as sites over which to forage for aquatic emergent insects. Due to the scarcity of available water for replenishing water losses during roosting and flight, open bodies of water of many shapes and sizes may well be a key resource influencing the survival,

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Section: Bodies Of Water As a Foraging Habitatmentioning

confidence: 99%

Bats and Water: Anthropogenic Alterations Threaten Global Bat Populations

Korine

Adams

Russo

et al. 2015

Bats in the Anthropocene: Conservation of Bats in a Changing World

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“…In addition to a general warming trend, regional climate change scenarios predict greater extremes in variability of weather events such as droughts and floods, more severe storms, and an increase in the number of hot spells (Christensen et al 2007). Delayed or decreased reproduction in some species of bats has been attributed to both unusually wet or dry conditions (Racey 1973, Ransome 1990, Grindal et al 1992, Rhodes 2007, cold snaps in autumn have killed large numbers of little brown bats thought to be in migration (Zimmerman 1937), and flood events at caves associated with spring and summer storms have killed thousands of bats of several species in the USA, including species now considered to be endangered (DeBlase et al 1965, Gore & Hovis 1994. Hence, extreme climate events can have directly negative consequences for bat populations.…”

Section: Impacts Of Greater Climate Extremesmentioning

confidence: 99%

Broadening the focus of bat conservation and research in the USA for the 21st century

Weller¹,

Cryan²,

O’Shea³

2009

Endang. Species. Res.

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Appropriately, bat conservation in the USA during the 20th century focused on species that tend to aggregate in large numbers and locations (e.g. maternity roosts, hibernacula) where populations are most vulnerable. Extensive research into habitat needs (primarily for roosting) of reproductive females during the previous 2 decades has produced a wealth of information useful for developing conservation strategies for this group in their summer roost areas. However, the ecological needs of males, non-reproductive females, and juveniles have received far less attention, as have the ecological needs of all bats outside the pup-rearing season. Hence, it is unlikely that a single paradigm could comprehensively address conservation needs of all demographic groups within a species because they may have different seasonal distributions, reproductive strategies, and thermoregulatory needs. Herein, we recommend research into a wider spectrum of demographic groups and seasons to form a more holistic vision of the conservation needs of bats. We urge greater attention to understanding thermo-energetic and reproductive underpinnings of observed patterns of seasonal distribution and habitat selection by bats in the USA. Such understanding is instrumental for development of scientifically sound conservation strategies to confront emerging threats to conservation of bats in the 21st century: climate change, disease, habitat degradation, and environmental contaminants. We discuss interconnections among these emerging threats and the fundamental need to incorporate understanding of thermo-energetic strategies of bats in development of conservation strategies or legislation to mitigate potential impacts on bat populations of the USA.

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“…Indeed, effects of forest structure and degree and type of disturbance on fissionfusion dynamics have rarely been studied, yet the accepted paradigm is that defined social groups of animals should be one of the focal units of conservation (Willis and Brigham, 2004;Rhodes, 2007). Bat social groups may be regarded as a management unit because females of some bat species exhibit strong natal philopatry, returning to the same areas, and even to specific roost trees, in consecutive years (Crampton and Barclay, 1998;Sedgeley and O'Donnell, 1999;Kurta et al, 2002;Willis and Brigham, 2004).…”

Section: Introductionmentioning

confidence: 99%

“…Roost switching patterns can be viewed as networks among trees; a topology where roost trees are nodes and daily roost switching movements are edges within a network (Rhodes et al, 2006;Rhodes, 2007;Fortuna et al, 2009). Networks can be of many forms, including random and scale-free.…”

Section: Introductionmentioning

confidence: 99%