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245	1	0	_aPhysiological diversity and biogeography of vascular epiphytes at Río Changuinola, Panama
490	0		_vFlora, 206, p.66-79, 2011
520	3		_aThe taxonomic composition of the vascular epiphyte flora at the Río Changuinola, Panama, was examined and complemented with an analysis of biogeographic affinities and physiological parameters related to plant water and nutrient relations. In an area of ca. 1000 ha, we found a total of 476 species of vascular epiphytes. This marks a new diversity record among lowland rainforest sites. Species composition was closely related to nearby lowland forest sites but not to montane sites. The floristic similarity with lowland sites decreased with distance and relative position towards the Andes. On basis of isotope discrimination, the proportion of species with Crassulacean Acid Metabolism (CAM)was found to be low compared to other studies, andmanyof these speciesshoweda ratherweakexpression of this photosynthetic pathway. This observation and distributional shifts in 15
650	1	4	_aFUNCTIONAL DIVERSITY
650	1	4	_aCRASSULACEAN ACID METABOLISM
650	1	4	_aLEAF NITROGEN CONTENT
650	1	4	_aLOWLAND FOREST
650	1	4	_aMONTANE FOREST
650	1	4	_aFLORISTIC COMPOSITION
700	1	2	_aWester, S.
700	1	2	_aMendieta-Leiva, G.
700	1	2	_aNauheimer, L.
700	1	2	_aWanek, W.
700	1	2	_aKreft, H.
700	1	2	_aZotz, G.
856	4	0	_uhttps://drive.google.com/file/d/1CTWKMeDgmGhoQvF9wLd3vnlDmmG7sL7P/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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