Cactus survey at the Floresta Nacional of Contendas do Sincorá, Bahia, Brazil

Peixoto, M. R.; Zappi, Daniela; Silva, Suelma R.; Costa, Grênivel Mota da; Aona, Lidyanne Yuriko Saleme

doi:10.25223/brad.n34.2016.a19

Cited by 6 publications

(4 citation statements)

References 4 publications

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“…In other locations, some of the Cactaceae species found in FLONA-CS (e.g., Arrojadoa penicillata (Fig. 3e), Brasilicereus phaeacanthus and Stephanocereus leucostele) are directly affected by anthropic action and deforestation in the Caatinga (Zappi et al 2011;Peixoto et al 2016). In this way, the knowledge and understanding of the distribution patterns of these species are extremely important to establish conservation strategies, since most of these populations are in a threatened areas (agricultural areas, fragmented areas, mining), as well as illegal collection for trade (Zappi et al 2011).…”

Section: Discussionmentioning

confidence: 99%

Flowering plants of Contendas do Sincorá National Forest (Caatinga, northeastern Brazil)

et al. 2019

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The Caatinga phytogeographical domain is one of the least protected natural regions of Brazil, erroneously described in the last century as biologically poor. Studies have showed that within the Caatinga domain there are a considerable number of endemic species and genera of plants. The objective of this was to inventory the species of a conservation unit and to compare it with other areas within the Caatinga domain. This study was carried out in the Contendas do Sincorá National Forest (FLONA-CS), located of the Chapada Diamantina. Data collection was carried out between 2014 and 2017 in FLONA-CS, from random tracks. A total of 274 species were recorded, distributed in 162 genera and 52 families, with predominance of species belonging to the family Fabaceae (66 spp.), Euphorbiaceae (25 spp.), Malvaceae (19 spp.) and Cactaceae (18 spp.). Among the species, 40 of them are endemic to the Caatinga and five are in some degree of threat of extinction. The FLONA-CS floristic survey recorded a high floristic diversity, reinforcing the importance of studies on caatinga vegetation in conservation units, since it adds information to management and conservation.

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Section: Discussionmentioning

confidence: 99%

Flowering plants of Contendas do Sincorá National Forest (Caatinga, northeastern Brazil)

et al. 2019

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“…2). Group 7 is the area of Caatinga in the Flona of CS, the only study of Caatinga represented by a floristic survey with Cactaceae as its focus and also the only study with ecological data about cactus populations (Peixoto et al 2016.…”

Section: Floristic Similarity Analysismentioning

confidence: 99%

“…Meanwhile, Cereus jamacaru, Pilosocereus gounellei (=Xiquexique gounellei), P. pachycladus, P. catingicola, Tacinga inamoena, T. palmadora and Melocactus zehntneri were found in both sedimentary and crystalline soils.Two cactus species, which appeared in floristic surveys, are found in the Red List of flora threatened by extinction (Table 2, Martinelli & Moraes 2013), the Bahia endemic Espostoopsis dybowskii (EM), and Pereskia aureiflora (VU) from Northern Minas Gerais and Bahia. The later was registered in "Contendas do Sincorá National Forest" (Flona CS), while E. dybowskii was recorded just at the boundary of the Flona CS(Peixoto et al 2016, Vitório et al 2019. Apart from these two species, the IUCN (2020) lists Pseudoacanthocereus brasiliensis (VU), whileMartinelli & Moraes (2013) classify this species as DD for the Brazilian Red List of Plants.…”

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confidence: 99%

Distribution and conservation of Cactaceae in Brazilian Seasonally Dry Tropical Forests: insights from floristic and phytosociological surveys

et al. 2021

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Species lists available from floristic and phytosociological studies contain important information about species distributions that are useful for making biogeographical inferences and even to evaluate conservation status of species and ecosystems. In the case of the Caatinga, this information may contribute to challenging the pre-established idea that it is a homogeneous vegetation unit. The strong relation between the substrate and the plant assemblages of the Caatinga may characterise different types of vegetation. In this way, the objective of the present study is to evaluate whether differences in the distribution of Cactaceae relate to distinctive types of substrate (sedimentary and crystalline) as much in terms of floristic richness as species density. Concomitantly, we evaluated the conservation status of the Caatinga areas studied. To obtain the data, we undertook a bibliographic revision of floristic and phytosociological studies in the Caatinga and constructed a similarity matrix using the selected floristic studies in order to evaluate the relation among different areas of Caatinga. We found that 48 areas included Cactaceae species; 33 species distributed in 14 genera were recorded. Among these taxa, Cereus jamacaru was the species that presented the largest number of occurrences, appearing in 17 areas, followed by Pilosocereus gounellei (=Xiquexique gounellei), found in 11 studies, and Tacinga inamoena in 10. The grouping analysis resulted in the formation of 10 groups, with a remarkable relationship between species and soil type. There were differences in both the diversity and density of species related with the degree of conservation of the Caatinga, noticeable from the direct relationship between conservation and richness and, indirectly, between density and number of species.

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“…Tacinga inamoena (K.Schum.) N.P.Taylor & Stuppy, commonly known as "cumbeba" or "quipá", is a subshrub cactus, with round to oblong pads and solitary subapical flowers at the top of the branches, 4-6 × 3.5-4 cm, with a green globose pericarpel, 10 mm and orange-red, acute, fleshy bract-scales subtending bristles (Taylor & Zappi 2004;Peixoto et al 2016) (Figure 1a). Their flowers, which are the showiest of the genus, are large, shiny, have erect stamens forming a column surrounding the stigma, provide pollen and nectar as floral rewards, and are pollinated by hummingbirds (Lambert 2009).…”

Section: Introductionmentioning

confidence: 99%

Florivory by lizards on Tacinga inamoena (K.Schum.) N.P.Taylor & Stuppy (Cactaceae) in the Brazilian Caatinga

2021

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Florivory can alter plant reproductive success by damaging sexual reproductive structures and disrupting plant-pollinator interactions through decreased flower attractiveness. Here, we report new records of the cactus Tacinga inamoena flower consumption by the Tropidurus hispidus lizard in the Brazilian Caatinga. We monitored 53 flowers from 11 T. inamoena individuals with camera traps over a 1-year period, totalling 450 camera-days of sample effort. We detected four florivory events. In three of these events, flowers were entirely consumed or had their reproductive structures severely damaged, leading to no fruit formation. Florivory events occurred in the morning, right after anthesis, in flowers near the ground, and lizards did not climb the cactus. Our results suggest that T. hispidus florivory on T. inamoena could have a negative impact on fruit set, since the consumed flowers were entirely destroyed. However, the long-term effects of florivory by lizards on T. inamoena reproductive success in the Caatinga still needs to be elucidated.

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Cactus survey at the Floresta Nacional of Contendas do Sincorá, Bahia, Brazil

Cited by 6 publications

References 4 publications

Flowering plants of Contendas do Sincorá National Forest (Caatinga, northeastern Brazil)

Flowering plants of Contendas do Sincorá National Forest (Caatinga, northeastern Brazil)

Distribution and conservation of Cactaceae in Brazilian Seasonally Dry Tropical Forests: insights from floristic and phytosociological surveys

Florivory by lizards on Tacinga inamoena (K.Schum.) N.P.Taylor & Stuppy (Cactaceae) in the Brazilian Caatinga

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