About: REVERSE ALTITUDINAL CLINE IN COLD HARDINESS AMONG EREBIA BUTTERFLIES

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	There is strong evidence for a shifting of range boundaries by many temperate butterfly species to higher altitudes and latitudes. Climate change represents a potential threat to mountain fauna. Nevertheless, information on ecophysiological limits of individual species is scarce. We studied the lower thermal limits of four species representing the prevailingly mountain Holarctic butterfly genus Erebia. We measured the cold tolerance of hibernating larvae, namely the supercooling point (SCP) and the lower lethal temperature (LLT). Three mountain species were freeze avoiding, with various levels of SCP (-8 to 22 degrees C), and LLT close to SCP. The only exception was lowland E. medusa, whose caterpillars were freeze tolerant with LLT (-21 degrees C) slightly below its SCP (-17 degrees C). Surprisingly, LLT was highest in the alpine E. tyndarus and lowest in E. medusa inhabiting lower altitudes with higher mean winter temperatures. We explain the observed reversed altitudinal cline in cold hardiness by the buffering function of snow cover in the hibernacula of caterpillars that is strong at high mountains but irregular, unpredictable and thus unreliable in lowlands. There is strong evidence for a shifting of range boundaries by many temperate butterfly species to higher altitudes and latitudes. Climate change represents a potential threat to mountain fauna. Nevertheless, information on ecophysiological limits of individual species is scarce. We studied the lower thermal limits of four species representing the prevailingly mountain Holarctic butterfly genus Erebia. We measured the cold tolerance of hibernating larvae, namely the supercooling point (SCP) and the lower lethal temperature (LLT). Three mountain species were freeze avoiding, with various levels of SCP (-8 to 22 degrees C), and LLT close to SCP. The only exception was lowland E. medusa, whose caterpillars were freeze tolerant with LLT (-21 degrees C) slightly below its SCP (-17 degrees C). Surprisingly, LLT was highest in the alpine E. tyndarus and lowest in E. medusa inhabiting lower altitudes with higher mean winter temperatures. We explain the observed reversed altitudinal cline in cold hardiness by the buffering function of snow cover in the hibernacula of caterpillars that is strong at high mountains but irregular, unpredictable and thus unreliable in lowlands. (en)
Title	REVERSE ALTITUDINAL CLINE IN COLD HARDINESS AMONG EREBIA BUTTERFLIES REVERSE ALTITUDINAL CLINE IN COLD HARDINESS AMONG EREBIA BUTTERFLIES (en)
skos:prefLabel	REVERSE ALTITUDINAL CLINE IN COLD HARDINESS AMONG EREBIA BUTTERFLIES REVERSE ALTITUDINAL CLINE IN COLD HARDINESS AMONG EREBIA BUTTERFLIES (en)
skos:notation	RIV/60076658:12310/12:43883714!RIV13-MSM-12310___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP505/10/1630), S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Nedvěd, Oldřich Konvička, Martin Vrba, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	165385
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/12:43883714
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	snow cover; climate change; butterfly ecology; Alpine habitats; VARIABILITY; CONSERVATION; EPIPHRON; TEMPERATURES; POPULATIONS; INSECTS; TOLERANCE; LEPIDOPTERA; SNOW-COVER; CLIMATE-CHANGE (en)
http://linked.open.../riv/klicoveSlovo	LEPIDOPTERA TOLERANCE butterfly ecology POPULATIONS CONSERVATION climate change INSECTS snow cover VARIABILITY Alpine habitats CLIMATE-CHANGE EPIPHRON SNOW-COVER TEMPERATURES
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[967D06A56F25]
http://linked.open...i/riv/nazevZdroje	Cryo-Letters
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Ecophysiological limits of mountain butterflies and recent climate change - tolerance of hibernating larvae
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	33
http://linked.open...iv/tvurceVysledku	Konvička, Martin Nedvěd, Oldřich Vrba, Pavel
http://linked.open...ain/vavai/riv/wos	000311463200001
issn	0143-2044
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	12310

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