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Species composition of climbers in seasonal semideciduous forest fragments of Southeastern Brazil.: Climbers from semideciduous forest of Southeastern Brazil
Swedish Museum of Natural History, Department of Botany.ORCID iD: my-orcid
Universidade Estadual de Campinas - UNICAMP.
Universidade Estadual Paulista - UNESP.
2009 (English)In: Biota neopropica, ISSN 1678-6424, E-ISSN 1676-0603, Vol. 09, no 04Article in journal (Refereed) Published
Abstract [en]

Abstract: In this study we evaluated floristic composition patterns of communities of climbers within ten inventoriescarried out in semideciduous forest fragments of southeastern Brazil. One of the inventories is original, beingcarried out for the present study in Ribeirão Cachoeira forest, Campinas, São Paulo State, Southeastern Brazil. Thisinventory was then pooled together to other nine climbers’ inventories made in other forests of Southeastern Brazilto form a data base, which was examined regarding species richness, similarity, species distribution and climbingmethods. The total number of species obtained was 355, belonging to 145 genera and 43 families. The ten mostdiverse families Bignoniaceae (45 species), Fabaceae (42), Malpighiaceae (36), Asteraceae (31), Apocynaceae(29), Sapindaceae (28), Convolvulaceae (21), Cucurbitaceae (14), Passifloraceae (10), and Euphorbiaceae (8)contributed to 74.4% of the total number of species recorded. The commonest climbing method in the studied siteswas main stem or branch twining, accounting for 178 species or 50.1% of the total, the second commonest wastendril climbing (121 species, 34.1%), and the least, scrambling (56 species, 15.8%). We found a high percentageof exclusive species i.e., those occurring in only one forest site, which accounted for 49.3% of the total recorded.The mean similarity among forest sites (30%) may be considered low. The climbing species contribution to the totalwood plant richness recorded on the forests sites was very high in some of the sites (up to 52.5%). These resultsindicated the importance of climber communities to plant diversity for semideciduous forests in SoutheasternBrazil, enhancing the regional diversity and the conservation value of these forest remnants.Keywords: lianas, climbing mechanism, floristic, similarity, NMS.

Abstract [pt]

No presente estudo avaliamos as variações na composição de espécies das comunidades de trepadeirasabordando dez inventários florísticos realizados em fragmentos de floresta estacional semidecidual do sudeste doBrasil. Um destes inventários é inédito e foi realizado especialmente para o presente estudo. Comparamos estelevantamento a outros nove inventários florísticos de trepadeiras realizados em outras florestas do sudeste parainvestigar aspectos como riqueza, similaridade, distribuição de espécies e mecanismos de escalada. Ao todo foramencontradas 355 espécies, pertencentes a 145 gêneros e 43 famílias. As dez famílias mais ricas Bignoniaceae(45 espécies), Fabaceae (42), Malpighiaceae (36), Asteraceae (31), Apocynaceae (29), Sapindaceae (28),Convolvulaceae (21), Cucurbitaceae (14), Passifloraceae (10), e Euphorbiaceae (8) representaram 74,4% do totalde espécies encontrado. Considerando os mecanismos de escalada, observamos o predomínio de espécies volúveis(178 espécies ou 50,1%), sobre espécies com gavinhas (121 espécies, 34,1%), e apoiadoras (56 espécies, 15,8%).A porcentagem de espécies exclusivas, i.e. aquelas que ocorreram em apenas uma das localidades estudadas, foi de49,3% do total amostrado e pode ser considerada alta. Além disso, a similaridade entre as florestas analisadas foibastante baixa e a contribuição das espécies de trepadeiras para a diversidade de plantas lenhosas nestas áreas foibastante elevada em algumas áreas, chegando a 52,5%. Estes resultados indicaram a importância das comunidadesde trepadeiras para a diversidade vegetal nas florestas semideciduais do sudeste do Brasil, aumentando a valorde conservação desses remanescentes florestais.

Place, publisher, year, edition, pages
2009. Vol. 09, no 04
Keywords [en]
lianas, climbing mechanism, floristic, similarity, NMS
Keywords [pt]
lianas, mecanismos de escalada, ordenação NMS, similaridade
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:nrm:diva-2763OAI: oai:DiVA.org:nrm-2763DiVA, id: diva2:1187992
Available from: 2018-03-06 Created: 2018-03-06 Last updated: 2018-03-06

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http://www.biotaneotropica.org.br/v9n4/en/abstract?article+bn02409042009 ISSN 1676-0603.

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