About: Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Numerous species of the genus Polylepis form the highest treeline in the world, with striking dissimilarities in their upper altitudinal limits. The commonly accepted hypothesis is: growth at a treeline is temperature-limited. Using records of morphological and ecophysiological traits, we aimed to identify other factors influencing altitudinal distribution of P. tarapacana, P. tomentella and P. rugulosa in dry tropical Andes. Trait changes were generally more pronounced in P. rugulosa (it had e.g. elevated transpiration, cuticular waxes most enriched in 13C). Trade-offs linked to leaf area likely drive differentiation and adaptations to altitude of these species. While the upper distribution limit of P. tarapacana and P. tomentella is driven by low temperature, water is an important additional factor controlling the altitudinal distribution of P. rugulosa. Hence, water stress needs to be taken into account among the factors shaping altitudinal distribution of tropical treeline species. Numerous species of the genus Polylepis form the highest treeline in the world, with striking dissimilarities in their upper altitudinal limits. The commonly accepted hypothesis is: growth at a treeline is temperature-limited. Using records of morphological and ecophysiological traits, we aimed to identify other factors influencing altitudinal distribution of P. tarapacana, P. tomentella and P. rugulosa in dry tropical Andes. Trait changes were generally more pronounced in P. rugulosa (it had e.g. elevated transpiration, cuticular waxes most enriched in 13C). Trade-offs linked to leaf area likely drive differentiation and adaptations to altitude of these species. While the upper distribution limit of P. tarapacana and P. tomentella is driven by low temperature, water is an important additional factor controlling the altitudinal distribution of P. rugulosa. Hence, water stress needs to be taken into account among the factors shaping altitudinal distribution of tropical treeline species. (en)
Title	Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes (en)
skos:prefLabel	Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes (en)
skos:notation	RIV/67985939:_____/09:00340122!RIV10-MSM-67985939
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA601410505), P(LC06073), Z(AV0Z60050516), Z(MSM6007665801)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Macek, Petr
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	Botanický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	327470
http://linked.open...ai/riv/idVysledku	RIV/67985939:_____/09:00340122
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cuticular waxes; Gas exchange; Treeline (en)
http://linked.open.../riv/klicoveSlovo	Gas exchange Cuticular waxes Treeline
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[4B22988B3E5B]
http://linked.open...i/riv/nazevZdroje	Acta Oecologica-International Journal of Ecology
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Biodiversity Research Center Patterns of isotopic composition of plant organs - a marker of photosynthetic activity, environmental conditions and leaf anatomy
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	35
http://linked.open...iv/tvurceVysledku	Macek, Petr de Bello, F. Macková, J.
http://linked.open...ain/vavai/riv/wos	000271969500002
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a evoluce biodiversity fotoautotrofních organismů a hub: původ a příčiny jejich proměnlivosti, dynamika populací, společenstev a ekosystémů; využití vybraných výsledků k rozvoji Průhonického parku EKOLOGICKÉ, EVOLUČNÍ A EXPERIMENTÁLNĚ BIOLOGICKÉ PŘÍSTUPY KE STUDIU VZNIKU A VÝZNAMU BIODIVERZITY
issn	1146-609X
number of pages	8 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes Morphological and ecophysiological traits shaping altitudinal distribution of three Polylepis treeline species in the dry tropical Andes

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