Arid
DOI10.1007/s10531-010-9841-x
Phenology and dispersal modes of wood species in the Carrasco, a tropical deciduous shrubland in the Brazilian semiarid
de Vasconcelos, Sandra Freitas1; de Araujo, Francisca Soares2; Lopes, Ariadna Valentina1
通讯作者Lopes, Ariadna Valentina
来源期刊BIODIVERSITY AND CONSERVATION
ISSN0960-3115
EISSN1572-9710
出版年2010
卷号19期号:8页码:2263-2289
英文摘要

We provide, for the first time, data on phenology and dispersal modes for the Carrasco, a tropical deciduous shrubland in the Brazilian semiarid. The study was conducted in the Serra das Almas Reserve (5 degrees 8’45 ’’ S, 40 degrees 55’43 ’’ W), northeastern Brazil. We sampled 2,790 individuals from 39 species, 30 genera, and 17 families. Fabaceae, Euphorbiaceae, and Myrtaceae were the most representative. All species lose leaves, fully or partially, during the dry season. Leaf flush was observed to increase at the end of the dry season with a peak during the rainy season. Similarly, the peak of flowering/fruiting occurred at the end of the dry and the beginning of the rainy season. Air humidity and maximum temperature were the only variables correlated with leaf flush. Most species showed annual flowering/fruiting. Flowering lasted 2-5 months, but even longer fruiting periods were observed. Zoochory was the most frequent dispersal mode, followed by autochory. Zoochoric, barochoric, and autochoric species fruited throughout the year, while for anemochorics fruiting occurred at the end of the rainy and/or during dry season. Despite both, the Carrasco and the Caatinga are deciduous, the Carrasco has a greater intensity and duration of phenological events and a higher frequency of zoochory, thus being more similar to less arid ecosystems. We discuss the local implications of these patterns, as well as how our results are in accordance with other regional and global studies with similar approaches.


英文关键词Deciduous shrubland Fruit type Northeastern Brazil Reproductive phenology Vegetative phenology
类型Article
语种英语
国家Brazil
收录类别SCI-E
WOS记录号WOS:000279682600009
WOS关键词DRY EVERGREEN FOREST ; REPRODUCTIVE PHENOLOGY ; PLANT PHENOLOGY ; SEED DISPERSAL ; SAVANNA VEGETATION ; FRUITING PHENOLOGY ; COROMANDEL COAST ; TREE PHENOLOGY ; LIFE-FORMS ; COSTA-RICA
WOS类目Biodiversity Conservation ; Ecology ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/163441
作者单位1.Univ Fed Pernambuco, CCB, Dept Bot, Programa Posgrad Biol Vegetal, BR-50372970 Recife, PE, Brazil;
2.Univ Fed Ceara, Dept Biol, Ctr Ciencias, BR-60455760 Fortaleza, Ceara, Brazil
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GB/T 7714
de Vasconcelos, Sandra Freitas,de Araujo, Francisca Soares,Lopes, Ariadna Valentina. Phenology and dispersal modes of wood species in the Carrasco, a tropical deciduous shrubland in the Brazilian semiarid[J],2010,19(8):2263-2289.
APA de Vasconcelos, Sandra Freitas,de Araujo, Francisca Soares,&Lopes, Ariadna Valentina.(2010).Phenology and dispersal modes of wood species in the Carrasco, a tropical deciduous shrubland in the Brazilian semiarid.BIODIVERSITY AND CONSERVATION,19(8),2263-2289.
MLA de Vasconcelos, Sandra Freitas,et al."Phenology and dispersal modes of wood species in the Carrasco, a tropical deciduous shrubland in the Brazilian semiarid".BIODIVERSITY AND CONSERVATION 19.8(2010):2263-2289.
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