Dew deposition on epiphytic bromeliad leaves: an important event in a Mexican tropical dry deciduous forest

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	Dew deposition on epiphytic bromeliad leaves: an important event in a Mexican tropical dry deciduous forest
	Andrade, JL
刊名	JOURNAL OF TROPICAL ECOLOGY
	2003
卷号	19 期号:x
ISSN号	0266-4674
中文摘要	Dew deposition was calculated for leaves of the epiphytic bromeliads Tillandsia brachycaulos and T. elongata in a tropical dry deciduous forest in Yucatan, Mexico, over one year. Plant characteristics and water relations were also measured. Estimations were made by using energy balance analysis and the Penman-Monteith equation. Dew accumulation was also quantified using a cloth-plate method and by change in mass of whole plants. Tissue water content and total leaf area were similar in the two species, but maximum tank water content was three-fold greater for T. elongata than for T. brachycaulos, which had a lower degree of tissue desiccation tolerance than T. elongata. Succulence for T. brachycaulos changed little during most of the year, decreasing significantly only during one month in the dry season. Leaf water potential and osmotic pressure did not change significantly after a dew-deposition event. Theoretical dew per night on leaves was greatest during the early dry season (about 0.72 mm) compared with 0.34 mm in the rainy season and 0.008 mm in the late dry season. Dew amounts alone are not adequate to support growth but may maintain a favourable water balance for epiphytic bromeliads during the driest months of the year.
语种	英语
公开日期	2015-01-09
内容类型	期刊论文
源URL	[http://ir.xtbg.org.cn/handle/353005/5778]
专题	西双版纳热带植物园_文献共享
推荐引用方式 GB/T 7714	Andrade, JL. Dew deposition on epiphytic bromeliad leaves: an important event in a Mexican tropical dry deciduous forest[J]. JOURNAL OF TROPICAL ECOLOGY,2003,19(x).
APA	Andrade, JL.(2003).Dew deposition on epiphytic bromeliad leaves: an important event in a Mexican tropical dry deciduous forest.JOURNAL OF TROPICAL ECOLOGY,19(x).
MLA	Andrade, JL."Dew deposition on epiphytic bromeliad leaves: an important event in a Mexican tropical dry deciduous forest".JOURNAL OF TROPICAL ECOLOGY 19.x(2003).