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DOI:	10.1371/journal.pone.0106897
论文题名:	Coping with Daily Thermal Variability: Behavioural Performance of an Ectotherm Model in a Warming World
作者:	José M. Rojas; Simón B. Castillo; Guillermo Folguera; Sebastián Abades; Francisco Bozinovic
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-9-10
卷:	9, 期:9
语种:	英语
英文关键词:	Animal behavior ; Behavioral ecology ; Isopods ; Fractals ; Climate change ; Animal performance ; Behavior ; Global warming
英文摘要:	Global climate change poses one of the greatest threats to species persistence. Most analyses of the potential biological impacts have focused on changes in mean temperature, but changes in thermal variance will also impact organisms and populations. We assessed the effects of acclimation to daily variance of temperature on dispersal and exploratory behavior in the terrestrial isopod Porcellio laevis in an open field. Acclimation treatments were 24±0, 24±4 and 24±8°C. Because the performance of ectotherms relates nonlinearly to temperature, we predicted that animals acclimated to a higher daily thermal variation should minimize the time exposed in the centre of open field, – i.e. increase the linearity of displacements. Consistent with our prediction, isopods acclimated to a thermally variable environment reduce their exploratory behaviour, hypothetically to minimize their exposure to adverse environmental conditions. This scenario as well as the long latency of animals after releases acclimated to variable environments is consistent with this idea. We suggested that to develop more realistic predictions about the biological impacts of climate change, one must consider the interactions between the mean and variance of environmental temperature on animals' performance.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0106897&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/19474
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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作者单位:

Departamento de Ecología and Center of Applied Ecology & Sustainability (CAPES), Facultad de Ciencias Biológicas, P. Universidad Católica de Chile, Santiago, Chile;Centro de Investigación e Innovación para el Cambio Climático, Universidad Santo Tomás, Santiago, Chile;Departamento de Ecología and Center of Applied Ecology & Sustainability (CAPES), Facultad de Ciencias Biológicas, P. Universidad Católica de Chile, Santiago, Chile;Filosofía de la Biología Group, Facultad de Ciencias Exactas y Naturales & Facultad de Filosofía y Letras, Universidad de Buenos Aires, Buenos Aires, Argentina;Departamento de Ecología and Center of Applied Ecology & Sustainability (CAPES), Facultad de Ciencias Biológicas, P. Universidad Católica de Chile, Santiago, Chile;Instituto de Ecología y Biodiversidad, Santiago, Chile;Departamento de Ecología and Center of Applied Ecology & Sustainability (CAPES), Facultad de Ciencias Biológicas, P. Universidad Católica de Chile, Santiago, Chile

Recommended Citation:

José M. Rojas,Simón B. Castillo,Guillermo Folguera,et al. Coping with Daily Thermal Variability: Behavioural Performance of an Ectotherm Model in a Warming World[J]. PLOS ONE,2014-01-01,9(9)

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