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Literatura científica selecionada sobre o tema "Kirstenbosch Botanic Garden (South Africa)"
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Artigos de revistas sobre o assunto "Kirstenbosch Botanic Garden (South Africa)"
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Boehi, Melanie. "Radical Stories in the Kirstenbosch National Botanical Garden." Environmental Humanities 13, no. 1 (2021): 66–92. http://dx.doi.org/10.1215/22011919-8867208.
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Abstract When the Kirstenbosch National Botanical Garden was established in Cape Town, South Africa, in 1913, it was envisioned as a site that served white citizens. Kirstenbosch was presented as a landscape in which plants functioned as representatives of their wild habitats. The botanical garden’s curatorial practices silenced histories of colonial occupation, frontier violence, colonial agriculture, and slavery that had shaped the land on which it was built. Narratives that celebrated colonial histories were cultivated in monumental gardening. Throughout its existence, Kirstenbosch has centered Western epistemologies. Where Indigenous knowledge systems were featured, they were mediated through ethnobotany. While human stakeholders lacked commitment to transformation, emergent ecologies evolved that interrupted colonial narratives and Western epistemologies. Discussing histories of wild almond trees, hybrid plants, and cycads, the author suggests that the emergent ecologies around them introduced radical stories to Kirstenbosch. The emergent ecologies’ storytelling is radical because it works at the roots of plants and historical genealogies, and it roots different narratives—of ruination and new flourishing, diversity and local becomings, multispecies kinship and love—into Kirstenbosch. In doing so, the emergent ecologies introduce possibilities for reimagining the botanical garden as an institution of environmental governance from within its confines and its disciplines.
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Hitchcock, Anthony. "Biogeographical Principles in Horticulture." Sibbaldia: the International Journal of Botanic Garden Horticulture, no. 17 (February 5, 2019): 101–20. http://dx.doi.org/10.24823/sibbaldia.2019.269.
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With more than 780 species, Erica is the largest genus in the Core Cape Subregion, once referred to as the Cape Floristic Region (CFR), in South Africa. The redevelopment of the Erica Display Garden at Kirstenbosch National Botanical Garden to fulfil aesthetic, conservation and educational purposes is described. The author draws on decades of field work in the CFR to open a window for botanic garden visitors and schoolchildren who have not had the privilege of experiencing the unique flora of the CFR. An explanation for the extraordinary diversity of the CFR is explored.
 The challenge of engaging with visitors and at the same time highlighting the diversity of ericas and fynbos while overcoming the difficulties of growing wild species out of their natural and niche habitats is explained. The most effective way to display South African ericas and fynbos is discussed. The use of phytogeographical themes is preferred as a suitable method to display diversity in botanic garden horticulture. Nine planting beds totalling 8,000 m2 were redeveloped to represent six distinct phytogeographic regions identified in Plants of the Greater Cape Floristic Region (Manning & Goldblatt, 2012). Nineteen of the twenty largest families and genera of the Cape flora are also represented in these displays. Interpretation was created to provide information on the defining features of each region. The phytogeographic theme was used to emulate typical natural floristic features of each and to bring the concept of geographically driven plant diversity to the attention of the visiting public and students.
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Hitchcock, Anthony, and Anthony G. Rebelo. "The Restoration of Erica verticillata." Sibbaldia: the International Journal of Botanic Garden Horticulture, no. 15 (December 8, 2017): 39–63. http://dx.doi.org/10.24823/sibbaldia.2017.222.
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The Threatened Species Programme at the South African National Biodiversity Institute, Kirstenbosch National Botanical Garden, is integrated to include both ex situ and in situ conservation activities. Plant conservation is driven by South Africa’s Strategy for Plant Conservation which was developed in response to the Global Strategy for Plant Conservation.
 This case study examines the conservation of Erica verticillata (whorl heath), a flagship for threatened species at Kirstenbosch, and documents the integration of ex situ with in situ conservation at three areas on the Cape Flats. The whorl heath was thought to be extinct by 1950. Horticulturists have since rediscovered eight clones in botanic gardens worldwide, the Heather Society and commercial growers. Ex situ conservation in botanic garden collections and the Millennium Seed Bank has since allowed in situ conservation in the critically endangered Cape Flats Sand Fynbos vegetation type. The process of restoring the whorl heath presented many challenges. Initially attempts were hampered by limited available knowledge on suitable niche habitats. Pioneering work carried out at Rondevlei Nature Reserve identified the suitable habitat and this was applied in subsequent in situ work at Kenilworth Racecourse Conservation Area and at Tokai Park – the only natural areas remaining in or near this species’ historical distribution range. Successful re-establishment of this species depends upon its capacity to recruit after fire, which is an essential ecological process in the fynbos. Many clones have been in cultivation for a long time and are poor seed producers: seed production was first recorded at Rondevlei only after additional clones were planted together. Only one population (Rondevlei) to date has seen a fire and thus has recruited seedlings; however these are competing with vigorous companion plants.
 The study continues and is currently exploring the role of herbivory in the restoration process. The key lesson learnt to date is the need to include sustainable management of the entire ecosystem in the restoration process and not limit it to single species. Success in restoring a species depends upon a healthy stand of the vegetation type in place, along with pollinators and other key fauna and other natural ecosystem processes. It is recommended that successful re- establishment of a species in fynbos requires the reintroduced population to survive three fire cycles.
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Van Jaarsveld, Ernst. "Welwitschia mirabilis and the 100-year old Kirstenbosch National Botanical Garden, Cape town, South Africa." Cactus and Succulent Journal 85, no. 3 (2013): 96–100. http://dx.doi.org/10.2985/0007-9367-85.3.96.
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Giliomee, J. H. "Opogona scaphopisMeyrick (Lepidoptera: Tineidae: Hieroxestinae) Causing Serious Damage toGasteriaandHaworthiaat Kirstenbosch National Botanical Garden, South Africa." African Entomology 24, no. 1 (2016): 233–35. http://dx.doi.org/10.4001/003.024.0233.
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Oliver, Roger Clive, Muhali Olaide Jimoh, and Charles Petrus Laubscher. "Germination ecology of three Asteraceae annuals Arctotis hirsuta, Oncosiphon suffruticosum, and Cotula duckittiae in the winter-rainfall region of South Africa: A review." Open Agriculture 7, no. 1 (2022): 656–67. http://dx.doi.org/10.1515/opag-2022-0115.
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Abstract Asteraceae annuals from South Africa’s winter-rainfall region often exhibit poor germination, and it is a challenge to establish a garden display using fresh seeds from the wild. Arctotis hirsuta (Harv.) Beauvard is a popular ornamental, Oncosiphon suffruticosum (L. Bolus) K. Bremer & Humphries is important in traditional medicine, and Cotula duckittiae (L. Bolus) K. Bremer & Humphries has a vulnerable (VU) status on the red list of South African plants. C. duckittiae is teetering on the brink of extinction in a few localities on severely threatened ecosystems due to continued pressure on land for housing developments and invasive aliens. At present, there is no knowledge of O. suffruticosum being cultivated exclusively for its healing properties. The successful cultivation of this species may allow it to fulfil not only a more acute medicinal role in society but also in the economy to create precious job opportunities. The potential to develop or improve certain plant breeding lines of A. hirsuta commercially, besides just normal wild forms of these species at the Kirstenbosch National Botanical Garden, is huge. This, in addition to the ongoing pressure exerted on wild populations of C. duckittiae, warrants investigations into aspects of germination ecology of this VU species of the West Coast.
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Viljoen, Cherise Christina, Muhali Olaide Jimoh, and Charles Petrus Laubscher. "Studies of Vegetative Growth, Inflorescence Development and Eco-Dormancy Formation of Abscission Layers in Streptocarpus formosus (Gesneriaceae)." Horticulturae 7, no. 6 (2021): 120. http://dx.doi.org/10.3390/horticulturae7060120.
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Streptocarpus formosus (Hilliard & B.L. Burtt) T.J. Edwards is a flowering herbaceous perennial indigenous to South Africa and is part of the rosulate group of herbaceous acaulescent plants within the Gesneriaceae family. According to the National Assessment database for the Red List of South African Plants version 2020.1., the plant is listed as rare. The ornamental use of S. formosus has untapped commercial potential as a flowering indoor pot plant, an outdoor bedding plant for shade and as a cut flower for the vase, all of which are limited by a five-month eco-dormancy period during the late autumn and all through the cold season in the short-day winter months. Viable commercial production will require cultivation techniques that produce flowering plants all year round. This study investigated the effectiveness of applying root zone heating to S. formosus plants grown in deep water culture hydroponics during the eco-dormancy period in preventing abscission layer formation and in encouraging flowering and assessed the growth activity response of the plants. The experiment was conducted over eight weeks during the winter season in the greenhouse at Kirstenbosch Botanical garden in water reservoirs, each maintained at five different experimental temperature treatments (18, 22, 26—control, 30 and 34 °C) applied to 10 sample replicates. The results showed that the lowest hydroponic root zone temperature of 18 °C had the greatest effect on the vegetative growth of S. formosus, with the highest average increases in fresh weight (1078 g), root length (211 cm), overall leaf length (362 cm) and the number of newly leaves formed (177 = n), all noted as statistically significant when compared with the other water temperature treatments, which yielded negative results from reduced vegetative growth. Findings from the study also revealed that while all heated solutions significantly prevented the formation of abscission layers of S. formosus, they had a less significant effect on inflorescence formation, with only 18 °C having the greatest positive effect on flower development.
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Mokotjomela, Thabiso M., Sebataolo J. Rahlao, Loyd R. Vukeya, et al. "The Diversity of Alien Plant Species in South Africa’s National Botanical and Zoological Gardens." Diversity 15, no. 3 (2023): 407. http://dx.doi.org/10.3390/d15030407.
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The management of biological invasions, which pose a growing threat to natural resources and human well-being, is critical for reducing associated negative impacts. As part of the process of developing a strategy for the management of biological invasions in the South African National Biodiversity Institute’s (SANBI) gardens, we collated a list of alien plant species from 13 gardens as part of a situational analysis. We requested lists of alien plant species recorded in each of the SANBI’s gardens. A total of 380 records included 225 alien plant species belonging to 73 families. A significant number of species were intentionally introduced through horticultural trade as ornamentals (49%; n = 225), while 20.9% were consumed as either food or medicine by humans. Plant life forms included woody and herbaceous plants, graminoids, succulents and ferns. Herbaceous (42.7%; n = 225) and woody plants (3.8%) were the dominant life forms. The Walter Sisulu National Botanical Garden had the highest number of alien species (88 species), followed by Kirstenbosch (61 species) and Pretoria (46 species) National Botanical Gardens, with herbaceous species constituting the largest number in all gardens (i.e., 47, 19, and 27 species, respectively). The number of species that we recorded that were listed in the National Environmental Management: Biodiversity Act (NEM: BA) (Act No. 10 of 2004): Alien and Invasive Species Regulations’ categories were not notably different from the number of unlisted species (58.2% vs. 42.8%). The number of species listed in the different categories varied significantly across the different gardens, with a significantly higher number of unlisted species and of Category 1b species in the Walter Sisulu, Kirstenbosch and Pretoria National Botanical Gardens than in other gardens. That a significantly larger number of alien species originated from South America points to the need to improve biosecurity controls on existing relations. The results of this study provided a baseline database to help comparison between successive surveys in future.
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Nzeku, Bongiwe, and Rodney Graeme Duffett. "The Use of Social Media as a Marketing Tool by Tourist Attractions: Influence on Cognitive, Affective and Behavioural Consumer Attitudes." April 2021, Volume 10(2) (April 30, 2021): 742–58. http://dx.doi.org/10.46222/ajhtl.19770720-130.
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Social media has an enormous influence on the manner in which people look for and distribute data, and select a tourist destination. Hence, research was undertaken to ascertain the role of social media as a communication and marketing tool for Cape Town tourist attractions (Cape Point, Groot Constantia Wine Estate, V&A Waterfront, Table Mountain Aerial Cable Way and Kirstenbosch Botanical Gardens) via the analysis of tourists’ cognitive, affective and behavioural attitudinal responses. The results revealed that tourists displayed positive cognitive/affective and affective/behavioural attitude associations towards social media usage by the Cape Town tourist attractions. Several demographic and usage characteristics resulted in significant positive attitudes regarding Cape Town tourist attraction social media sites, viz. South African and African tourists; mobile device access; new social media users; daily log-ons; Black, Indian and Coloured tourists; and tourists who used the local Rand currency. The findings could be used by Cape Town tourist attractions to improve their social media platforms, and thereby the effectiveness as a marketing tool. The study makes an original contribution since few tourism-related studies investigated the hierarchy of effects model in terms of social media and most previous research only considered usage and demographic characteristics as descriptive measures.
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Wood, Paul A., and Michael J. Samways. "Landscape element pattern and continuity of butterfly flight paths in an ecologically landscaped botanic garden, Natal, South Africa." Biological Conservation 58, no. 2 (1991): 149–66. http://dx.doi.org/10.1016/0006-3207(91)90117-r.
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