科创中国

Spring peepers Pseudacris crucifer modify their call structure in response to noise

原文链接：万方

• 作者：

  Dalai E. L. HANNA,David R. WILSON,Gabriel BLOUIN-DEMERS,Daniel J. MENNILL

• 摘要：

  Acoustic?interference?can?impede?effective?communication?that?is?important?for?survival?and?reproduction?of?animals.?In?response?to?acoustic?interference,?some?animals?can?improve?signalling?efficacy?by?altering?the?structure?of?their?signals.?In?this?study,?we?played?artificial?noise?to?46?male?spring?peepers?Pseudacris?crucifer,?on?their?breeding?grounds,?and?tested?whether?the?noise?affected?the?duration,?call?rate,?and?peak?frequency?of?their?advertisement?calls.?We?used?two?experimental?noise?treatments?that?masked?either?the?high-?or?low-frequency?components?of?an?average?advertisement?call;?this?allowed?us?to?evaluate?whether?frogs?adaptively?shift?the?peak?frequency?of?their?calls?away?from?both?types?of?interference.?Our?playback?treatments?caused?spring?peepers?to?produce?shorter?calls,?and?the?high-frequency?noise?treatment?caused?them?to?lower?the?frequency?of?their?calls?immediately?after?the?noise?ceased.?Call?rate?did?not?change?in?response?to?playback.?Consistent?with?previous?studies,?ambient?temperature?was?inversely?related?to?call?duration?and?positively?related?to?call?rate.?We?conclude?that?noise?affects?the?structure?of?spring?peeper?advertisement?calls,?and?that?spring?peepers?therefore?have?a?mechanism?for?altering?signal?structure?in?response?to?noise.?Future?studies?should?test?if?other?types?of?noise,?such?as?biotic?or?anthropogenic?noise,?have?similar?effects?on?call?structure,?and?if?the?observed?changes?to?call?structure?enhance?or?impair?communication?in?noisy?environments?[Current?Zoology?60?(4):?438-448,?2014].

• 关键词：

  十字花科植物 信号结构 噪音处理 调用 通话时长 反应 修改 峰值频率

• 作者单位：

  Department of Biological Sciences, McGill University, Montr6al, Qu6bec. H3A 1B 1, Canada%Department of Biological Sciences, University of Windsor, Windsor, Ontario, N9B 3P4, Canada%Department of Biology, University of Ottawal Ottawa, Oniario, KIN 6N5, Canada%Department of Biological Sciences, University of Windsor, Windsor, Ontario, N9B 3P4, Canada

• 基金项目：

  Acknowledgements We thank Mark Conboy, Vanya Rohwer, Abla Hanna, and Louis-Philippe Robillard for assistance in the field, the Queen's University Biological Station for logistical support, and several anonymous reviewers for insightful comments on earlier versions of the manuscript. Funding was provided by the Natural Sciences and Engineering Research Council of Canada (NSERC) through the Post-doctoral Fel- lowships program and the Discovery Grants program. Additional funding was provided by the Canada Foundation for Innovation and the Government of Ontario.

• 来源期刊：

  动物学报(英文版)

• 年，卷(期)：

  2014004