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Harvesting Increases Reproductive Activity In Himatanthus Drasticus (mart.) Plumel (apocynaceae), A Non-timber Forest Product Of The Brazilian Savanna
dc.creator | Baldauf C. | |
dc.creator | da Silva A.S. | |
dc.creator | Sfair J.C. | |
dc.creator | Ferreira R. | |
dc.creator | dos Santos F.A.M. | |
dc.date | 2014 | |
dc.date | 2015-06-25T18:01:24Z | |
dc.date | 2015-11-26T15:03:05Z | |
dc.date | 2015-06-25T18:01:24Z | |
dc.date | 2015-11-26T15:03:05Z | |
dc.date.accessioned | 2018-03-28T22:13:57Z | |
dc.date.available | 2018-03-28T22:13:57Z | |
dc.identifier | ||
dc.identifier | Biotropica. Blackwell Publishing Ltd, v. 46, n. 3, p. 341 - 349, 2014. | |
dc.identifier | 63606 | |
dc.identifier | 10.1111/btp.12109 | |
dc.identifier | http://www.scopus.com/inward/record.url?eid=2-s2.0-84899929842&partnerID=40&md5=3112242e50ee2d6d87b4144e0dbf1037 | |
dc.identifier | http://www.repositorio.unicamp.br/handle/REPOSIP/87567 | |
dc.identifier | http://repositorio.unicamp.br/jspui/handle/REPOSIP/87567 | |
dc.identifier | 2-s2.0-84899929842 | |
dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/1256528 | |
dc.description | The harvesting of non-timber forest products (NTFP) can influence the pattern of resource allocation in plants, affecting their growth, survival, and reproduction. However, only a small number of studies have addressed the impacts of NTFP harvesting on the reproductive phenology of the exploited species. The aim of this observational study was to assess the effects of harvesting and climatic variables on the reproductive phenology of Himatanthus drasticus, a highly exploited medicinal tree from the Brazilian savanna (Cerrado). We evaluated the effects of two different debarking levels (50 and 100%) in comparison to a control (no harvesting). We performed monthly counts of the number of buds, flowers in anthesis, unripe and ripe fruits in each sampled tree (intensity index), as well as the number of trees in each phenophase (activity index), over 2 yr. We used circular statistics tools to compare the effects of each treatment on flower and fruit production and to test whether the reproductive peaks were related to climatic variables. Both the activity and intensity indexes exhibited the same patterns; flower and fruit production were lower in the control, intermediate in the 50 percent debarking group and higher in the 100 percent debarking group. To the best of our knowledge, this is the first study of NTFP to demonstrate an increase in reproductive activity after several years of harvesting. All phenophases were positively correlated with higher temperature and precipitation, as it is common in the Cerrado. © 2014 The Association for Tropical Biology and Conservation. | |
dc.description | 46 | |
dc.description | 3 | |
dc.description | 341 | |
dc.description | 349 | |
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dc.language | en | |
dc.publisher | Blackwell Publishing Ltd | |
dc.relation | Biotropica | |
dc.rights | fechado | |
dc.source | Scopus | |
dc.title | Harvesting Increases Reproductive Activity In Himatanthus Drasticus (mart.) Plumel (apocynaceae), A Non-timber Forest Product Of The Brazilian Savanna | |
dc.type | Artículos de revistas |