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2024 Speakers

Anabela Silveira de Oliveira

Anabela Silveira de Oliveira, Speaker at Plant Biology Conferences
Centro Universitario da Regiao da Campanha, Brazil
Title : Pampas cacti: Ecology, diversity and conservation

Abstract:

I present a paper dealing with the family Cactaceae in the Pampas, which were studied by field surveys (2001–2023) and analysis of relevant literature. For each genus, species richness in the study area, general distribution, detailed maps concerning the study area, and original pictures are provided. The species were assessed according to the IUCN categories and criteria. A key for the identification of the genera in study area was proposed. A description of the main found phytophysiognomies (field, saxicola, forest, and wetland), in which the cacti grow, were also given using the Walking Method. Around sixty-three Cactaceae taxa were registered covered, belonging to the following genera: Parodia taxa, including a nomenclatural change, i.e. P. ritteriana comb. nov. (≡ Notocactus ritterianus), two new species (Frailea erythracantha and Parodia hofackeriana), and Frailea, Gymnocalycium, Wigginsia, Echinopsis, Cereus, and Opuntia. The floristic diversity found in the study area is related to the edaphic and climatic conditions provided by the stony springs, which constitute a favorable microclimate of intense luminosity, heat and humidity for xerophytic species to develop in open areas.

Biography:

Anabela Silveira de Oliveira is graduated in Biological Sciences (Full Degree) from the University of the Campanha Region (2001), Master's (2004) and Doctorate (2008) from the Department of Forestry Sciences at the Federal University of Santa Maria and Post-Doctorate (2016) from the Postgraduate Program in Geography at the Federal University of Santa Maria. Pioneers of Ecology Award, 2017. Adjunct professor, researcher at Urcamp. She belongs to the Balduino Rambo Interinstitutional Botany Studies Center at the Federal University of Santa Maria/RS. She was one of the founders of the scientific journal Balduínia and has focused her research on taxonomic botany in grassland ecosystems, mainly in the Pampean biogeographical province. She has published 60 full scientific papers with research group in national and international journals, 5 books, 8 book chapters, 44 abstracts in event proceedings).

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