Arid
DOI10.3161/150811014X687288
Winter and summer torpor in a free-ranging subtropical desert bat: the fishing myotis (Myotis vivesi)
Salinas, Valeria B. R.1; Herrera, L. Gerardo M.2; Flores-Martinez, Jose Juan3; Johnston, Dave S.4
通讯作者Herrera, L. Gerardo M.
来源期刊ACTA CHIROPTEROLOGICA
ISSN1508-1109
EISSN1733-5329
出版年2014
卷号16期号:2页码:327-336
英文摘要

Use of torpor likely favors the survival of subtropical bats in harsh environments. The fishing myotis (Myotis vivesi) is a species endemic to desert islands in the Gulf of California, where summers are extremely hot and winters are cold and windy. We explored thermoregulating abilities of M. vivesi measuring skin temperature (T-skin) on free-ranging individuals in winter 2010 and 2011, and in summer 2010. We also measured ambient (T-a) and roost (T-roost) temperatures during the study, and we obtained data for wind speed at night time during winter periods. We found that all bats entered torpor in both winters and that at least three individuals hibernated for several days, which had not been reported previously for bats in subtropical deserts. In summer, three individuals entered short bouts of shallow torpor in early mornings. Roosts were slightly warmer than Ta in winter at nightime, and in summer they never reached temperatures > 38.7 degrees C, even at T-a approximate to 45 degrees C. Roost occupancy in winter was higher during windy nights in 2010 but no pattern was found in 2011. Therefore, in winter fishing myotis were more likely to remain in their night roosts and enter torpor when ambient conditions (e.g., strong winds) limit fishing on marine waters. In summer, roosts provide good insulation against high Ta, and bats might not need to resort to torpor to lower their metabolic rate except for a brief period during early mornings. When resources are limited the use of torpor may increase this insular species’ chances of survival.


英文关键词daily torpor deserts fishing bats Gulf of California heterothermy hibernation Vespertilionidae
类型Article
语种英语
国家Mexico ; USA
收录类别SCI-E
WOS记录号WOS:000349299700006
WOS关键词GULF-OF-CALIFORNIA ; BODY-TEMPERATURE ; HETEROTHERMY ; HIBERNATION ; METABOLISM ; ENERGETICS ; PATTERNS ; CLIMATE ; MARINE
WOS类目Zoology
WOS研究方向Zoology
来源机构Universidad Nacional Autónoma de México
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180344
作者单位1.Univ Nacl Autonoma Mexico, Inst Biol, Mexico City 04510, DF, Mexico;
2.Univ Nacl Autonoma Mexico, Inst Biol, Estn Biol Chamela, San Patricio 48980, Jalisco, Mexico;
3.Univ Nacl Autonoma Mexico, Inst Biol, Dept Zool, Lab Sistemas Informac Geog, Mexico City 04510, DF, Mexico;
4.HT Harvey & Associates, Los Gatos, CA USA
推荐引用方式
GB/T 7714
Salinas, Valeria B. R.,Herrera, L. Gerardo M.,Flores-Martinez, Jose Juan,et al. Winter and summer torpor in a free-ranging subtropical desert bat: the fishing myotis (Myotis vivesi)[J]. Universidad Nacional Autónoma de México,2014,16(2):327-336.
APA Salinas, Valeria B. R.,Herrera, L. Gerardo M.,Flores-Martinez, Jose Juan,&Johnston, Dave S..(2014).Winter and summer torpor in a free-ranging subtropical desert bat: the fishing myotis (Myotis vivesi).ACTA CHIROPTEROLOGICA,16(2),327-336.
MLA Salinas, Valeria B. R.,et al."Winter and summer torpor in a free-ranging subtropical desert bat: the fishing myotis (Myotis vivesi)".ACTA CHIROPTEROLOGICA 16.2(2014):327-336.
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