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Type: Artigo de periódico
Title: Inventory And Ecologic Features Of Orchidaceae In The Rio Dourados Riparian Forest, Dourados-ms [levantamento E Características Ecológicas De Orchidaceae Da Mata Ciliar Do Rio Dourados, Dourados-ms]
Author: Rech A.R.
Rosa Y.B.C.J.
Rosa Jr. E.J.
Abstract: (Inventory and ecologic features of Orchidaceae in the Rio Dourados riparian Forest, Dourados-MS). The Orchidaceae is one of the largest flowering plants family and with a great importance to conservation. However, no survey on orchid flowers can be found in Mato Grosso do Sul. Thus, the objective of this work was to make a survey of the Orchidaceae species and of its ecology features in a riparian forest in a fragment of Floresta Estacional Semi-Decidual that belongs to the riparian forest of the Dourados River. The inventory was made by using a sweeping method for collection, and in addition to this the vertical and horizontal position of epiphytes were assessed on the hosts. For characterization of microclimate, it was used a thermohygrometer and luximeter. It was identified 17 species of 13 genera. Of the listed genera, the most abundant ones were: Acianthera, Macradenia and Capanemia. It was also noted a vertical and horizontal distribution of the Orchidaceae in relation to inverse gradient of water and light availability. Some species tended to be sensitive to height level categorization, whereas others seemed to occur with similar frequency along the host. In relation to the cardinal orientation, the apparent preferential response for south and east directions was associated to the low sampling effort and lower water availability, which could occur because the north face is opposed to the water body.
Rights: aberto
Identifier DOI: 10.1590/S0100-67622011000400016
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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