vascular flora of the upper paraná river floodplain flora vascular da planície de inundação do alto rio paraná

Clicks: 112
ID: 231669
2009
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Abstract
The purpose of this study was to update the floristic inventory found in the Upper Paraná River floodplain. Floristic surveys were performed from February 2000 through March 2008, as part of the Brazilian Long-Term Ecological Research Program (PELD/CNPq -Site 6). The material collected was identified from 774 species, 442 genera, and 116 families. The ten families with high species richness were Leguminosae, Poaceae, Rubiaceae, Asteraceae, Euphorbiaceae, Myrtaceae, Cyperaceae, Solanaceae, Sapindaceae, and Orchidaceae, which contributed to 46.1% of the total number of species. Genera with high richness were Solanum, Cyperus, Panicum, Eugenia, Tillandsia, Serjania, Casearia, and Polygonum, which together contributed to 10.2% of the total number of species. These data, combined with information published in 1997, recorded 955 species, 575 genera, and 128 families. These organisms were from several riparian environments and were distributed as herbs, shrubs, trees, climbers and epiphytes. Panicum maximum, Pennisetum purpureum, Ricinus communis, and Urochloa decumbens are considered weeds due to the wide distributions determined for these species. The results presented herein suggest the need to further investigate the control of these potential weed species.
Com o objetivo de ampliar os conhecimentos sobre a flora da planície de inundação do Alto Rio Paraná, foram conduzidos inventários florísticos no período de fevereiro de 2000 a março de 2008, incluídos no Programa Brasileiro de Pesquisas Ecológicas de Longa Duração (PELD/CNPq - Sítio 6). O material coletado foi identificado em 774 espécies, 442 gêneros e 116 famílias. As dez famílias de maior riqueza de espécies foram Leguminosae, Poaceae, Rubiaceae, Asteraceae, Euphorbiaceae, Myrtaceae, Cyperaceae, Solanaceae, Sapindaceae e Orchidaceae, que juntas reuniram 46,1% do total do número de espécies. Os gêneros com maior riqueza de espécies foram Solanum, Cyperus, Panicum, Eugenia, Tillandsia, Serjania, Casearia e Polygonum, que juntos reuniram 10,2% do número de espécies. Estes dados, somados aos publicados em 1997, permitiram elevar para 955 espécies, 555 gêneros e 128 famílias, distribuídos entre herbáceas, arbustivas, arbóreas, lianas e epífitas, e em diversas formações ripárias. Panicum maximum, Pennisetum purpureum, Ricinus communis e Urochloa decumbens são consideradas invasoras e sugerimos estudos propondo seu controle.
Reference Key
souza2009brazilianvascular Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;MC. Souza;K. Kawakita;SR. Slusarski;GF. Pereira
Journal international journal of economic and environment geology
Year 2009
DOI
10.1590/S1519-69842009000300027
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842009000300027
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