Gender-related developmental instability and herbivory of Pistacia atlantica across a steep environmental gradient

Inbar, Moshe and Kark, Salit (2007) Gender-related developmental instability and herbivory of Pistacia atlantica across a steep environmental gradient. Folia Geobotanica, 42 4: 401-410. doi:10.1007/BF02861702


Author Inbar, Moshe
Kark, Salit
Title Gender-related developmental instability and herbivory of Pistacia atlantica across a steep environmental gradient
Journal name Folia Geobotanica   Check publisher's open access policy
ISSN 1211-9520
Publication date 2007-01-01
Year available 2007
Sub-type Article (original research)
DOI 10.1007/BF02861702
Open Access Status Not yet assessed
Volume 42
Issue 4
Start page 401
End page 410
Total pages 10
Place of publication DORDRECHT
Publisher SPRINGER
Language eng
Abstract To examine gender-related developmental instability and herbivory of a plant across a steep climatic gradient, we studied Pistacia atlantica DESF., a dioecious tree of the Irano-Turanian zone in the Middle East. Leaves were sampled from five populations along a climatic gradient in Israel from mesic Mediterranean to xeric (and geographically peripheral) sites. Leaves of the xeric populations were ca. 25% smaller in size (length) than leaves of other populations. Leaf developmental instability (an indicator of stress) was examined using the measurement of leaf asymmetry (LA), estimated by the deviation from the origin of paired lateral leaflets and by the presence vs. absence of the terminal leaflet. LA was not correlated with the climatic (site) gradient and had the highest, though not significantly, levels in the intermediate ecotonal zone between the Mediterranean and the and ecosystems. Male trees were 13% higher in LA than females. Density of two specialist gall-forming aphids varied with site but was not affected by plant gender. Gender-related developmental instability is discussed in relation to resource allocation in early spring. Because the study was limited to five populations further research is clearly needed.
Keyword aphids
environmental stress
fordinae
gall
gender
leaf asymmetry
peripheral populations
Sex-Biased Herbivory
Fluctuating Asymmetry
Distribution Range
Galling Aphid
Plants
Stability
Stress
Lentiscus
Dynamics
Insects
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: ResearcherID Downloads - Archived
 
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