Weedy and secundary palm species in central amazonian forest Fragments
Forest fragmentation may affect the abundance and distribution of organisms. Some species populations decrease being eventually driven to local extinction while other species may experience population increase. In a survey of the composition and abundance of secondary and weedy palms in eight forest...
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| Format: | Article |
| Language: | English |
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Sociedade Botânica do Brasil
2001-01-01
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| Series: | Acta Botânica Brasílica |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062001000200012 |
| _version_ | 1811315680875642880 |
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| author | Scariot Aldicir |
| author_facet | Scariot Aldicir |
| author_sort | Scariot Aldicir |
| collection | DOAJ |
| description | Forest fragmentation may affect the abundance and distribution of organisms. Some species populations decrease being eventually driven to local extinction while other species may experience population increase. In a survey of the composition and abundance of secondary and weedy palms in eight forest fragments (three of 1-, three of 10- and two of 100-ha), in three sites (Dimona, Porto Alegre and Esteio) in central Amazonia, five native palm species which do not occur in the continuous forest were identified. Three were secondary species (Astrocaryum acaule Mart., Bactris maraja Mart. var. maraja and Bactris sp), one weedy (Lepidocaryum tenue Mart.), and one of unknown status (B. oligocarpa Barb. Rodr. & Trail). The highest abundance was found in the 1-ha fragments which had 172 of the 206 palms found compared with 33 in the 10-ha and one in the 100-ha fragments. However, most of these palms occur in the Dimona site, which accounted for 195 of the 206 of the individuals, compared with seven in Esteio and four in Porto Alegre. The weedy L. tenue, which forms clonal populations, although occurring only in Dimona, accounted for 91% of the individuals recorded. It is possible that with increased habitat degradation of small fragments, some populations of secondary and weedy species will also increase, what may be detrimental to the closed forest plant species populations occurring in forest fragments. |
| first_indexed | 2024-04-13T11:35:16Z |
| format | Article |
| id | doaj.art-899fa2bb84b842369b6fbdbe6568df73 |
| institution | Directory Open Access Journal |
| issn | 0102-3306 1677-941X |
| language | English |
| last_indexed | 2024-04-13T11:35:16Z |
| publishDate | 2001-01-01 |
| publisher | Sociedade Botânica do Brasil |
| record_format | Article |
| series | Acta Botânica Brasílica |
| spelling | doaj.art-899fa2bb84b842369b6fbdbe6568df732022-12-22T02:48:28ZengSociedade Botânica do BrasilActa Botânica Brasílica0102-33061677-941X2001-01-01152272280Weedy and secundary palm species in central amazonian forest FragmentsScariot AldicirForest fragmentation may affect the abundance and distribution of organisms. Some species populations decrease being eventually driven to local extinction while other species may experience population increase. In a survey of the composition and abundance of secondary and weedy palms in eight forest fragments (three of 1-, three of 10- and two of 100-ha), in three sites (Dimona, Porto Alegre and Esteio) in central Amazonia, five native palm species which do not occur in the continuous forest were identified. Three were secondary species (Astrocaryum acaule Mart., Bactris maraja Mart. var. maraja and Bactris sp), one weedy (Lepidocaryum tenue Mart.), and one of unknown status (B. oligocarpa Barb. Rodr. & Trail). The highest abundance was found in the 1-ha fragments which had 172 of the 206 palms found compared with 33 in the 10-ha and one in the 100-ha fragments. However, most of these palms occur in the Dimona site, which accounted for 195 of the 206 of the individuals, compared with seven in Esteio and four in Porto Alegre. The weedy L. tenue, which forms clonal populations, although occurring only in Dimona, accounted for 91% of the individuals recorded. It is possible that with increased habitat degradation of small fragments, some populations of secondary and weedy species will also increase, what may be detrimental to the closed forest plant species populations occurring in forest fragments.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062001000200012biodiversityLepidocaryum tenueclonal speciesbiological invasion |
| spellingShingle | Scariot Aldicir Weedy and secundary palm species in central amazonian forest Fragments Acta Botânica Brasílica biodiversity Lepidocaryum tenue clonal species biological invasion |
| title | Weedy and secundary palm species in central amazonian forest Fragments |
| title_full | Weedy and secundary palm species in central amazonian forest Fragments |
| title_fullStr | Weedy and secundary palm species in central amazonian forest Fragments |
| title_full_unstemmed | Weedy and secundary palm species in central amazonian forest Fragments |
| title_short | Weedy and secundary palm species in central amazonian forest Fragments |
| title_sort | weedy and secundary palm species in central amazonian forest fragments |
| topic | biodiversity Lepidocaryum tenue clonal species biological invasion |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062001000200012 |
| work_keys_str_mv | AT scariotaldicir weedyandsecundarypalmspeciesincentralamazonianforestfragments |