Academic literature on the topic 'Rock outcrop vegetation'

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Journal articles on the topic "Rock outcrop vegetation"

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Clegg, Rosie, Luísa Azevedo, Maira T. Martinez-Ugarteche, et al. "Plant biogeography of rock outcrops in South American tropical lowlands." Frontiers of Biogeography 18 (March 10, 2025): e145659. https://doi.org/10.21425/fob.18.145659.

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Studies of rock outcrops in tropical South America have increased in recent years, but they have often been restricted to individual countries, single biomes or single disciplines (e.g. through a floristic, functional or genetic lens), limiting their generality. We review the current state of knowledge on the geological and floristic diversity of rock outcrops in tropical South America to identify knowledge gaps and generate testable hypotheses for future research into the biogeography and evolution of their plant communities. We find that the diversity of lowland rock outcrop vegetation is di
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MEIRELLES, SERGIO TADEU, VÂNIA REGINA PIVELLO, and CARLOS ALFREDO JOLY. "The vegetation of granite rock outcrops in Rio de Janeiro, Brazil, and the need for its protection." Environmental Conservation 26, no. 1 (1999): 10–20. http://dx.doi.org/10.1017/s0376892999000041.

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Rock outcrop communities usually receive very little attention from scientists and environmentalists. We examined the vegetation occurring in eight gneiss-granite rock outcrops at Rio de Janeiro State (Brazilian Atlantic coast) which exists in natural associations on soil islands. A total of 86 vascular plant species, belonging to 30 families, was found on 347 soil islands. Bromeliaceae, Asteraceae and Velloziaceae species were the most frequent plants, many of them endemic to these habitats. Ordination and cluster analyses using species frequency on each site made evident some major distincti
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Monteiro-Ré, Tatiane, Greta Aline Dettke, Ana Raquel da Silva, Mauro Parolin, and Marcelo Galeazzi Caxambu. "Vascular flora of Southern Brazilian outcrops associated with Atlantic Forest: small relict environment that needs to be preserved." Acta Scientiarum. Biological Sciences 44 (July 28, 2022): e62064. http://dx.doi.org/10.4025/actascibiolsci.v44i1.62064.

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The rocky outcrops in the municipality of Campo Mourão (Paraná State) are all surrounded by remaining Atlantic Forest, unlike the typical outcrops associated with river courses, fields, or hilltops. Because it is such specific vegetation, it is essential to record the floristic composition, verifying only species and the conservation status of local populations. This study cataloged the species of vascular plants occurring in four rocky outcrops areas of Campo Mourão: Nishida outcrop (1,808 ha); Bica do Rio do Campo outcrop (0.458 ha); Perdoncini outcrop (0.228 ha), and Lago Azul State Park ou
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Burrows, Neil D. "Fire dependency of a rock-outcrop plant Calothamnus rupestris (Myrtaceae) and implications for managing fire in south-western Australian forests." Australian Journal of Botany 61, no. 2 (2013): 81. http://dx.doi.org/10.1071/bt12240.

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Granite outcrops embedded in south-western Australian forests provide habitat for unique biotic assemblages and refugia for fire-sensitive taxa. Discontinuous vegetation and natural barriers to fire spread enable outcrops to function as fire refugia, provided fires in the surrounding forest are not of high intensity. In Summer 2003, lightning started a fire in jarrah forest that had not been burnt for almost 20 years. The high-intensity fire burned the vegetation on Mount Cooke, a large granite outcrop, providing an opportunity to study the response of Calothamnus rupestris Schauer, a fire-sen
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Scarano, Fabio Rubio. "Rock outcrop vegetation in Brazil: a brief overview." Revista Brasileira de Botânica 30, no. 4 (2007): 561–68. http://dx.doi.org/10.1590/s0100-84042007000400002.

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VILLA, Pedro Manuel, Markus GASTAUER, Sebastião Venâncio MARTINS, et al. "Phylogenetic structure is determined by patch size in rock outcrop vegetation on an inselberg in the northern Amazon region." Acta Amazonica 48, no. 3 (2018): 248–56. http://dx.doi.org/10.1590/1809-4392201704561.

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ABSTRACT Although inselbergs from around the world are iconic ecosystems, little is known on the underlying mechanisms of community assembly, especially in their characteristic patchy outcrop vegetation. Environmental constraints are expected to cause phylogenetic clustering when ecological niches are conserved within evolutionary lineages. We tested whether vegetation patches from rock outcrops of the Piedra La Tortuga Natural Monument, in the northern Amazon region, are phylogenetically clustered, indicating that environmental filtering is the dominant driver of community assemblage therein.
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Wiser, Susan K., Robert K. Peet, and Peter S. White. "High-elevation rock outcrop vegetation of the Southern Appalachian Mountains." Journal of Vegetation Science 7, no. 5 (1996): 703–22. http://dx.doi.org/10.2307/3236382.

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Bean, Judith M., Gavin J. Melville, and Ronald B. Hacker. "Assessment of the potential of a range of microhabitats for use as seed production areas in moderately degraded rangelands in semiarid Australia." Rangeland Journal 39, no. 1 (2017): 49. http://dx.doi.org/10.1071/rj16095.

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Previous studies in mulga country with hard-setting red earth soils in north-west New South Wales, Australia, have demonstrated that small fenced seed production areas on local high points can contribute to regeneration of native perennial vegetation, and increases in the soil seedbank, on surrounding slopes. In this study the potential of seven microhabitats in this environment, each replicated twice, for use as seed production areas was assessed indirectly by a study of their functional characteristics and vegetation dynamics. Indices of landscape function (stability, infiltration and nutrie
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Collins, Scott L., Gail S. Mitchell, and Sabine C. Klahr. "Vegetation-Environment Relationships in a Rock Outcrop Community in Southern Oklahoma." American Midland Naturalist 122, no. 2 (1989): 339. http://dx.doi.org/10.2307/2425921.

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Benwell, Andrew. "Response of rock-outcrop and fringing vegetation to disturbance by fire and drought." Australian Journal of Botany 55, no. 7 (2007): 736. http://dx.doi.org/10.1071/bt07050.

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A comparative study of vegetation responses to fire and drought investigated whether species regeneration mode, seedling density response (SDR) and seedling shoot growth rate varied significantly in relation to disturbance agent (fire and drought), habitat type (rock-outcrop and fringing vegetation) and plant growth form. A three-way ANOVA showed that SDR varied significantly in relation to all three categorical variables and most strongly in relation to disturbance agent. Seeders comprised 87% of the post-fire flora and 99.3% of the peak seedling population in rock-outcrop habitat, while resp
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Dissertations / Theses on the topic "Rock outcrop vegetation"

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Sadler, Kella Darleen. "Vegetation ecology of rock outcrop ecosystems of the Gulf Islands in the Coastal Douglas-fir zone, British Columbia." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/31490.

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Rock outcrop ecosystems of the Gulf Islands in the Coastal Douglas-fir (CDF) biogeoclimatic zone of British Columbia were investigated at multiple scales with the following objectives: (1) to refine distribution information for constituent species, (2) to investigate landscape (i.e. site-level) features that influence the patterning of native and introduced plant species of rock outcrop habitats, including (a) geographic position (latitude), (b) geology (rock type), and (c) grazing intensity, (3) to integrate vegetation patterns observed at each sampling scale (site, plot, microplot) to derive
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Nagy, Laszlo. "Ecological investigations on selected species at the Meikle Kilrannoch Ultramafic Outcrops, Scotland." Thesis, University of Stirling, 1994. http://hdl.handle.net/1893/11843.

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Ecological and ecophysiological investigations carried out at the ultramafic outcrop near Meikle Kilrannoch, Angus, Scotland are reported. The outcrop is botanically famous for its rare plant species, particularly the endemic Cerastium fontanum ssp. scoticum and the nationally rare Lychnis alnina. The studies were made on the main outcrop (called MK1) which is dome shaped, and on a much smaller low-lying area (called MK1.5) about 300 m from it. The overall aim of the studies was to investigate the relationship between the soil physico-chemical environment and species distribution on the open a
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Mauad, Luana Paula. "Comunidades vegetais em quatro pães-de-açúcar no Estado do Rio de Janeiro." Universidade do Estado do Rio de Janeiro, 2013. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=4826.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Os afloramentos rochosos apresentam flora peculiar, sendo constituídos de habitats únicos que podem representar barreira para muitas espécies devido às suas condições ambientais diferenciadas do entorno. O Estudo desse tipo de área pode fornecer informações relevantes sobre o processo evolutivo e distribuição das espécies que ali ocorrem. Esta pesquisa teve como objetivos gerar maiores informações sobre ecologia, florística e conservação de comunidades de moitas em quatro pães-de-açúcar do Estado do Rio de Janeiro. São eles o Maciç
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Books on the topic "Rock outcrop vegetation"

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Benwell, Andrew. Plants of Subtropical Eastern Australia. CSIRO Publishing, 2020. http://dx.doi.org/10.1071/9781486313662.

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Plants of Subtropical Eastern Australia describes the rich flora of this biogeographically distinct region located on the east coast of Australia, covering the north coast of New South Wales and coastal South-East Queensland. This guide presents a selection of common, threatened and ecologically significant plants found in the region’s major vegetation habitats including rainforest, heathland, grassy forest, wetlands and rock outcrops.&#x0D; More than 500 plants are featured, with photographs and descriptive features enabling the reader to identify these species if encountered. Interesting bio
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Lindenmayer, David B. What Makes a Good Farm for Wildlife? CSIRO Publishing, 2011. http://dx.doi.org/10.1071/9780643101623.

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This book brings together extensive scientific learning on what makes a good farm for biodiversity. Based on thirteen years of intensive research, it breaks the discussion into chapters on key environmental and vegetation assets and then discusses how to make these assets better for biodiversity. &#x0D; The work encompasses information on vertebrates and invertebrates on farms and their relationships with significant vegetation and environmental assets: woodland remnants, plantings, paddocks, rocky outcrops and waterways. A chapter is dedicated to each asset and how it can be managed. In the f
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Book chapters on the topic "Rock outcrop vegetation"

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Conceição, Abel A., and José R. Pirani. "Succession on the Rocky Outcrop Vegetation: A Rupestrian Grassland Scheme." In Ecology and Conservation of Mountaintop grasslands in Brazil. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29808-5_9.

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Tyndall, R. Wayne, and James C. Hull. "Vegetation, Flora, and Plant Physiological Ecology of Serpentine Barrens of Eastern North America." In Savannas, Barrens, and Rock Outcrop Plant Communities of North America. Cambridge University Press, 1999. http://dx.doi.org/10.1017/cbo9780511574627.005.

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Conference papers on the topic "Rock outcrop vegetation"

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Timchenko, V. Y., and A. A. Radionoff. "MULTIYEAR VARIABILITY OF VEGETATION INDICES IN THE MOUNTAINOUS AND FOOTHILL REGIONS OF THE NORTH CAUCASUS." In Science and Practice. Knowledge, Understanding. Wisdom: collection of articles I Foreign International Scientific Conference (Muvattupuzha (India), April 2025). Crossref, 2025. https://doi.org/10.37539/250410.2025.76.96.002.

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Based on a statistical analysis of the variability trends of the NDVI using remote sensing data from the MODIS spectroradiometer, it is demonstrated that high-altitude and rocky areas of the Main Caucasus and Lateral Ridges, covered by glaciers or rocky outcrops devoid of vegetation, exhibit minimal values of the NDVI index. In contrast, areas with alpine meadows and sparse forests are characterized by higher values of the index
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Reports on the topic "Rock outcrop vegetation"

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Spence, John, Ken Hyde, and Vanessa Glynn-Linaris. 1995–2017 analysis of vegetation change using NDVI data at Glen Canyon National Recreation Area: Focused condition assessment report. National Park Service, 2023. http://dx.doi.org/10.36967/2299497.

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This Focused Condition Assessment examines the impacts of the recent 2000–2020 long-term drought on the vegetation and soils of Glen Canyon National Recreation Area (GLCA). With support from the NASA DEVELOP Program, summer (June–August) Normalized Difference Vegetation Index (NDVI) values from 1995 to 2017 (excluding 2012 which was not available), measuring greenness and phenology in the vegetation, were analyzed for two periods. The first period from 1995–1999 included the pre-drought period, when precipitation was average to above average. Most years of the second period, 2000–2020, were dr
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Allegheny woodrat and eastern small-footed bat inventory: White Rocks ? Cumberland Gap National Historical Park. National Park Service, 2024. http://dx.doi.org/10.36967/2302513.

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Surveys were conducted for the presence of Allegheny woodrats, eastern small-footed bats, and their habitat within Sample Units surrounding potential climbing routes on the White Rocks cliff of Cumberland Gap National Historical Park. White Rocks is a 200-300ft south facing cliff along the Virginia- Kentucky border that contains the typical habitat requirements of both species: rock ledges, outcrops, or a network of fissures and crevices surrounded by forested habitat. The eastern small-footed bat uses this type of habitat primarily during the summer months for roosting while the Allegheny woo
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