Variation in the resting frequency of <i>Rhinolophus pusillus</i> in Mainland China: Effect of climate and implications for conservation

Jiang, Tinglei; Metzner, Walter; You, Yanli; Liu, Sen; Lu, Guanjun; Li, Shi; Wang, Lei; Feng, Jiang

doi:10.1121/1.3478855

Cited by 36 publications

(63 citation statements)

References 55 publications

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“…It is also clear that the predominant CF of the same bat species (Rhinolophinae euryale) varies with geographic location (Russo et al 2001;Siemers et al 2005). This finding is similar to a recent report (Jiang et al 2010).…”

Section: Sexual Dimorphism Of Multiple Parameters Of the Predominant Hsupporting

confidence: 82%

Sexual dimorphism in echolocation pulse parameters of the CF-FM bat, Hipposideros pratti

Dai

et al. 2015

Zool. Stud.

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Background: Previous studies of sexual dimorphism in the echolocation pulses of the constant frequency-frequency modulating (CF-FM) bat have been mainly concentrated on the difference in the frequency of the CF component of the predominant second harmonic while neglected other pulse parameters. However, recent studies have shown that other pulse parameters of the predominant second harmonic are also biologically significant to the bat hunting. To complement and advance these studies, we have examined sexual dimorphism of multiple parameters (e.g., duration, frequency, bandwidth of the FM component, and repetition rate of emitted pulses) of the echolocation pulses of the CF-FM bat, Hipposideros pratti. Results: Our studies of the predominant second harmonic show that on average the male bat has higher frequency of the CF component, wider FM bandwidth, and higher pulse repetition rate while the female bat has longer duration of the CF and FM components.

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Section: Sexual Dimorphism Of Multiple Parameters Of the Predominant Hsupporting

confidence: 82%

Sexual dimorphism in echolocation pulse parameters of the CF-FM bat, Hipposideros pratti

Dai

et al. 2015

Zool. Stud.

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“…Neither Jiang et al. (2010) nor Guillén et al. (2000) considered the interactive effects of temperature and humidity on atmospheric attenuation.…”

Section: Discussionmentioning

confidence: 84%

“…The complex nonlinear interaction between temperature and humidity may also explain the paradoxical results obtained by studies on the climatic influence on geographic variation in acoustic signals. For example, geographic variation in RF was positively correlated with mean annual rainfall in R. pusillus (Jiang et al., 2010) but negatively correlated with mean annual rainfall in Hipposideros ruber (Guillén et al., 2000). These contrary findings are often attributed to the complexity of natural selection (e.g., Jiang et al., 2015) but may also be a consequence of the nonlinear effects and potential collinearity of temperature and humidity on atmospheric attenuation (Luo et al., 2014).…”

Section: Discussionmentioning

confidence: 99%

Environmental correlates of geographic divergence in a phenotypic trait: A case study using bat echolocation

Maluleke

Jacobs

Winker

2017

Ecology and Evolution

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Divergence in phenotypic traits may arise from the interaction of different evolutionary forces, including different kinds of selection (e.g., ecological), genetic drift, and phenotypic plasticity. Sensory systems play an important role in survival and reproduction, and divergent selection on such systems may result in lineage diversification. Such diversification could be largely influenced by selection in different environments as a result of isolation by environment (IbE). We investigated this process using geographic variation in the resting echolocation frequency of the horseshoe bat species, Rhinolophus damarensis, as a test case. Bats were sampled along a latitudinal gradient ranging from 16°S to 32°S in the arid western half of southern Africa. We measured body size and peak resting frequencies (RF) from handheld individual bats. Three hypotheses for the divergence in RF were tested: (1) James’ Rule, (2) IbE, and (3) genetic drift through isolation by distance (IbD) to isolate the effects of body size, local climatic conditions, and geographic distance, respectively, on the resting frequency of R. damarensis. Our results did not support genetic drift because there was no correlation between RF variation and geographic distance. Our results also did not support James' Rule because there was no significant relationship between (1) geographic distances and RF, (2) body size and RF, or (3) body size and climatic variables. Instead, we found support for IbE in the form of a correlation between RF and both region and annual mean temperature, suggesting that RF variation may be the result of environmental discontinuities. The environmental discontinuities coincided with previously reported genetic divergence. Climatic gradients in conjunction with environmental discontinuities could lead to local adaptation in sensory signals and directed dispersal such that gene flow is restricted, allowing lineages to diverge. However, our study cannot exclude the role of processes like phenotypic plasticity in phenotypic variation.

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“…Acoustic divergence can be influenced by a variety of factors such as geographic distance and landscape barriers [10], [11], divergent ecological selection [5], [12], [13], sexual selection [14], [15], genetic drift [5], [16], [17] and cultural drift [2], [6], [18], [19]. However, acoustic signal evolution is rarely explained by a single evolutionary force [16].…”

Section: Introductionmentioning

confidence: 99%

Geographic Variation in the Acoustic Traits of Greater Horseshoe Bats: Testing the Importance of Drift and Ecological Selection in Evolutionary Processes

et al. 2013

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Patterns of intraspecific geographic variation of signaling systems provide insight into the microevolutionary processes driving phenotypic divergence. The acoustic calls of bats are sensitive to diverse evolutionary forces, but processes that shape call variation are largely unexplored. In China, Rhinolophus ferrumequinum displays a diverse call frequency and inhabits a heterogeneous landscape, presenting an excellent opportunity for this kind of research. We quantified geographic variation in resting frequency (RF) of echolocation calls, estimated genetic structure and phylogeny of R. ferrumequinum populations, and combined this with climatic factors to test three hypotheses to explain acoustic variation: genetic drift, cultural drift, and local adaptation. Our results demonstrated significant regional divergence in frequency and phylogeny among the bat populations in China's northeast (NE), central-east (CE) and southwest (SW) regions. The CE region had higher frequencies than the NE and SW regions. Drivers of RF divergence were estimated in the entire range and just the CE/NE region (since these two regions form a clade). In both cases, RF divergence was not correlated with mtDNA or nDNA genetic distance, but was significantly correlated with geographic distance and mean annual temperature, indicating cultural drift and ecological selection pressures are likely important in shaping RF divergence among different regions in China.

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Variation in the resting frequency of Rhinolophus pusillus in Mainland China: Effect of climate and implications for conservation

Cited by 36 publications

References 55 publications

Sexual dimorphism in echolocation pulse parameters of the CF-FM bat, Hipposideros pratti

Sexual dimorphism in echolocation pulse parameters of the CF-FM bat, Hipposideros pratti

Environmental correlates of geographic divergence in a phenotypic trait: A case study using bat echolocation

Geographic Variation in the Acoustic Traits of Greater Horseshoe Bats: Testing the Importance of Drift and Ecological Selection in Evolutionary Processes

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