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Behavioural Responses as a Function of Temperature and Interactions Between Behaviour and Melanin Ornaments in Dragonflies.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Behavioural Responses as a Function of Temperature and Interactions Between Behaviour and Melanin Ornaments in Dragonflies./
作者:	Marcellino, Bianca J. L.
面頁冊數:	1 online resource (58 pages)
附註:	Source: Masters Abstracts International, Volume: 84-12.
Contained By:	Masters Abstracts International84-12.
標題:	Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30247127click for full text (PQDT)
ISBN:	9798379763459

Behavioural Responses as a Function of Temperature and Interactions Between Behaviour and Melanin Ornaments in Dragonflies.
Marcellino, Bianca J. L.

Behavioural Responses as a Function of Temperature and Interactions Between Behaviour and Melanin Ornaments in Dragonflies. - 1 online resource (58 pages)

Source: Masters Abstracts International, Volume: 84-12.

Thesis (M.Sc.)--University of Toronto (Canada), 2023.

Includes bibliographical references

Sexual selection creates and maintains elaborate phenotypes despite costs imposed by natural selection. This creates a trade-off between natural and sexual selection, whereby organisms can display traits that decrease survivorship if they sufficiently improve reproductive success. In many species of odonates males possess ornaments, formed by melanin, which increase their mating success, but also increase body temperature, potentially imposing novel trade-offs in a warming climate. Using a combination of comparative and experimental methods, I examined the effects of temperature on mating and thermoregulatory behaviour in Celithemis elisa and Leucorrhinia intacta dragonflies. In C. elisa, I found evidence for this trade-off with positive associations between temperature and time spent thermoregulating and a negative association with time spent mating. In L. intacta, only thermoregulatory behaviour was positively associated with temperature. My results suggest that some dragonflies will have reduced time windows for mating as climate change continues.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379763459Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

BehaviourIndex Terms--Genre/Form:

542853
Electronic books.

Behavioural Responses as a Function of Temperature and Interactions Between Behaviour and Melanin Ornaments in Dragonflies.
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500 $a Advisor: McCauley, Shannon; Murray, Rosalind.
502 $a Thesis (M.Sc.)--University of Toronto (Canada), 2023.
504 $a Includes bibliographical references
520 $a Sexual selection creates and maintains elaborate phenotypes despite costs imposed by natural selection. This creates a trade-off between natural and sexual selection, whereby organisms can display traits that decrease survivorship if they sufficiently improve reproductive success. In many species of odonates males possess ornaments, formed by melanin, which increase their mating success, but also increase body temperature, potentially imposing novel trade-offs in a warming climate. Using a combination of comparative and experimental methods, I examined the effects of temperature on mating and thermoregulatory behaviour in Celithemis elisa and Leucorrhinia intacta dragonflies. In C. elisa, I found evidence for this trade-off with positive associations between temperature and time spent thermoregulating and a negative association with time spent mating. In L. intacta, only thermoregulatory behaviour was positively associated with temperature. My results suggest that some dragonflies will have reduced time windows for mating as climate change continues.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Ecology. $3 516476
650 4 $a Entomology. $3 615844
650 4 $a Climate change. $2 bicssc $3 2079509
653 $a Behaviour
653 $a Melanin
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653 $a Sexual selection
653 $a Trade-off
653 $a Mating success
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