Plastic responses of Iris pumila leaf functional traits to experimental warming in situ
2022
Аутори:
Manitašević Jovanović, SanjaHočevar, Katarina
Vuleta, Ana
Остала ауторства
Živić, MiroslavPetković, Branka
Тип документа:
Конференцијски прилог (Објављена верзија)
,
© 2022 by the Serbian Biological Society
Метаподаци
Приказ свих података о документуАпстракт:
The ongoing climate change creates critical challenges for plant population persistence in
natural communities. To investigate plant responses to future climate warming conditions, we
employed an in situ temperature manipulation experiment in two sun-exposed natural populations of Iris pumila. One half of each randomly chosen clonal plant was experimentally warmed
(about 1-2 ºC) using a clear-sided open top chamber (OTC), while the other half faced the ambient temperature conditions. During the summer season, phenotypic values of key functional
leaf traits - leaf dry mass per area (LMA), leaf succulence (SU) and stomatal density (SD) - were
recorded simultaneously on the ramets from each clone growing inside and outside of the OTC.
The phenotypic expression of all analyzed traits changed with temperature, being smaller in the
ramets developing within the OTCs compared to those growing under ambient temperature conditions. Observed difference was found to be statistically signifcant for LMA and SU, while those
related to SD could be described as tendency. In addition, the association between the pairs of
leaf and abiotic variables was tested. The recorded soil temperature appeared to be signifcantly
concordant with SD, but, as well as leaf and air temperature, discordant with SU. Our results suggest that I. pumila plants have the capacity to adjust to rising temperatures by plastic responses of
leaf functional traits. This is of great importance to anticipate the future of Iris populations under
upcoming warmer climate.
Кључне речи:
Iris pumila; phenotypic plasticity; leaf functional traits; experimental warming; open-top chamber (OTC)Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200007 (Универзитет у Београду, Институт за биолошка истраживања 'Синиша Станковић') (RS-MESTD-inst-2020-200007)
У:
- Živić M, Petković B, editors. Knjiga sažetaka: Treći Kongres biologa Srbije: Osnovna i primenjena istraživanja: Metodika nastave; 2022 Sep 21-25; Zlatibor, Serbia. Belgrade: Serbian Biological Society; 2022. p. 143.
Повезане информације:
- Друга верзија
https://radar.ibiss.bg.ac.rs/handle/123456789/5056