Relevant bibliographies by topics / Chilean needle grass

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Chilean needle grass'

Author: Grafiati
Published: 19 February 2023

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Journal articles on the topic "Chilean needle grass"

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Bell, M. "Spread of Chilean needle grass (Nassella neesiana) in Marlborough New Zealand." New Zealand Plant Protection 59 (August 1, 2006): 266–70. http://dx.doi.org/10.30843/nzpp.2006.59.4417.

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Chilean needle grass (Nassella neesiana) is a containment pest in the Regional Pest Management Strategy for Marlborough It is of concern because it has sharptipped seeds that bore into the eyes and pelts of livestock Discovered in Marlborough in the 1930s it now infests 4311 ha In 1987 18 properties were infested increasing to 53 by 2000 and 96 by December 2005 In addition both the range and density of Chilean needle grass has increased significantly since 1987 and to date no infestations have been eradicated Failure to stop this spread is due to the difficulty of both identification and control Effective control and land management methods for this weed are urgently needed The probability of this weed spreading further both within and beyond Marlborough appears to be high This conclusion along with land use changes has implications for the review of the Regional Pest Management Plan
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Hartley, M. J. "Dalapon resistant individuals in a susceptible population of Chilean needle grass." Proceedings of the New Zealand Plant Protection Conference 47 (January 8, 1994): 75–79. http://dx.doi.org/10.30843/nzpp.1994.47.11033.

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Wang, Aisuo, Hanwen Wu, and David Gopurenko. "Complete chloroplast genome of Chilean needle grass, Nassella neesiana (Poaceae: Stipeae)." Mitochondrial DNA Part B 2, no. 2 (October 17, 2017): 728–29. http://dx.doi.org/10.1080/23802359.2017.1390414.

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Bourdot, G., and G. A. Hurrell. "Chilean needle grass (Stipa neesiana). 2. Herbidical control in lucerne." Proceedings of the New Zealand Weed and Pest Control Conference 40 (January 8, 1987): 208–11. http://dx.doi.org/10.30843/nzpp.1987.40.9973.

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Grech, C. J., D. A. McLaren, J. Lowien, L. McWhirter, K. L. Butler, and B. M. Sindel. "Assessment of management options for Chilean needle grass in sheep-grazing systems." Grass and Forage Science 69, no. 1 (December 29, 2012): 119–28. http://dx.doi.org/10.1111/gfs.12026.

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Bourdot, G., and G. A. Hurrell. "Chilean needle grass (Stipa neesiana). 1. Control with herbicides in pasture." Proceedings of the New Zealand Weed and Pest Control Conference 40 (January 8, 1987): 204–7. http://dx.doi.org/10.30843/nzpp.1987.40.9972.

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Hurrell, G. A., and G. W. Bourdot. "A comparison of granular herbicides for chilean needle grass (Stipa neesiana) control." Proceedings of the New Zealand Weed and Pest Control Conference 41 (January 8, 1988): 235–37. http://dx.doi.org/10.30843/nzpp.1988.41.9860.

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Fox, J. C., Y. M. Buckley, F. D. Panetta, J. Bourgoin, and D. Pullar. "Surveillance protocols for management of invasive plants: modelling Chilean needle grass (Nassella neesiana) in Australia." Diversity and Distributions 15, no. 4 (July 2009): 577–89. http://dx.doi.org/10.1111/j.1472-4642.2009.00562.x.

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Giordano, L., and F. E. Anderson. "Detrimental effect of the rust Uromyces pencanus on the invasive species Nassella neesiana (Chilean needle grass)." Australasian Plant Pathology 50, no. 3 (March 31, 2021): 299–307. http://dx.doi.org/10.1007/s13313-020-00773-x.

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Bourdôt, G., B. Basse, D. Kriticos, and M. Dodd. "Cost-benefit analysis blueprint for regional weed management:Nassella neesiana(Chilean needle grass) as a case study." New Zealand Journal of Agricultural Research 58, no. 3 (July 3, 2015): 325–38. http://dx.doi.org/10.1080/00288233.2015.1037460.

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Dissertations / Theses on the topic "Chilean needle grass"

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Weller, Sandra. "Detection and prevention of the dispersal of the seeds of Chilean needle grass (Nassella neesiana Trin. & Rupr. (Barkworth)) in hay bales." Thesis, Federation University Australia, 2016. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/103000.

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Invasive and noxious weeds are well known as a pervasive problem, imposing significant economic burdens on all areas of agriculture, and thus their control and eradication are of central concern to the industry. Whilst there are multiple possible pathways of weed dispersal in this industry, of particular interest to this discussion is how the unintended dispersal of Chilean needle grass (Nassella neesiana) weed seeds, within emergency fodder, may be prevented. Periodic drought is a feature of the Australian climate, which, together with natural disasters of flood and bushfire, necessitates the urgent provision of emergency fodder for maintenance of livestock production. However, previous investigations into weed seed dispersal by this fodder type have revealed a significant risk for the dispersal of a number of noxious weeds well beyond their current range. Because preventive work, relating to detection and eradication of noxious species, is at an early stage of development, the development of faster, more reliable, and non-destructive sampling methods for seed species has become essential. In addition to prevention of weed seed dispersal in fodder, the use of appropriate methods of controlling troublesome pasture weeds in situ is of relevance for addressing established infestations. Whilst silage preservation is one such typical method that can reduce weed seed input into the soil seed bank, there is currently little data on the absolute effectiveness of this method for control of N. neesiana. To investigate whether rapid detection of seeds in bales is possible and how the numbers of seeds in a pasture are linked to the numbers of seeds that may be incorporated into hay bales made from an infested pasture, an investigation of a rapid, non-destructive technique to detect seeds in bales, together with an examination of a pasture to estimate seed density and dispersal prior to baling, were carried out. Additionally, since pastures infested with this weed are of no use for producing hay and little use for grazing, a third experiment was devised, which was an investigation of silaging for preventing inadvertent seed input into pasture soil seed banks. This thesis has shown that this approach of non-destructive core sampling of bales to detect the seeds of N. neesiana, and possibly others, which can be visually recognised, shows promise for those involved in weed control. Similarly, the simultaneous demonstration that silage fermentation is an efficient viable method for both eliminating viability of mature (germinable) seeds of this species while also reducing the probability of injury to livestock from these seeds, confirms that reducing the impact of this weed in agro-ecological systems and on livestock during emergency situations is possible.
Doctor of Philosophy
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Faithfull, Ian Guthrie. "Biodiversity impacts of Chilean needle grass Nassella neesiana on Australia’s indigenous grasslands." Thesis, 2012. https://vuir.vu.edu.au/19944/.

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The exotic invasive Chilean needle grass Nassella. neesiana (Trin. & Rupr.) Barkworth has been recognised as a major threat to biodiversity in the endangered natural grasslands of south-eastern Australia. Research was undertaken in Canberra and Melbourne grasslands to examine mechanisms by which N. neesiana invades native grasslands, the impacts of invasion on vascular plant and invertebrate biodiversity and mechanisms of impact. Time series analysis of historical aerial photographs demonstrated that invasion was absent or very slow when infestations abutted healthy grassland, but grasslands in poor condition experienced linear infestation expansion rates >5 m per year. A field experiment demonstrated that major disturbance (death of the native grasses) was required for N. neesiana recruitment from panicle seeds and that intact grassland was not invaded, even with high propagule pressure. Gaps of c. 1 m (as opposed to 10-30 cm) were required for establishment. Pin transect sampling demonstrated that increased senescence of Themeda triandra swards correlated with greater invasion. Nassella neesiana was found to deplete soil water in spring compared to T. triandra, a likely mechanism of biodiversity impact. Areas occupied by N. neesiana in three disparate grasslands were found to have significantly reduced native vascular plant diversity (species m-2). Diversity decreased with increasing size of the N. neesiana patch. Forbs were the most affected group but one or more dominant grasses were absent at the smallest patch sizes. Exotic plant diversity was similar inside and outside patches. Analysis of sweep net samples determined that invertebrate populations and species richness were significantly reduced in N. neesiana grassland, although numerous native insect species consume the plant. Much of the loss of diversity in invaded areas probably precedes invasion and is caused by anthropogenic disturbances including T. triandra senescence dieback, mowing and major soil disturbance. Native grasslands in good condition are resistant to invasion.
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Book chapters on the topic "Chilean needle grass"

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Olfos, Raimundo, Masami Isoda, and Soledad Estrella. "Multiplication of Whole Numbers in the Curriculum: Singapore, Japan, Portugal, the USA, Mexico, Brazil, and Chile." In Teaching Multiplication with Lesson Study, 25–35. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28561-6_2.

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AbstractThis chapter shows how the teaching of multiplication is structured in national curriculum standards (programs) around the world. (The documents are distributed by national governments via the web. Those documents are written in different formats and depths. For understanding the descriptions of the standards, we also refer to national authorized textbooks for confirmation of meanings.) The countries chosen for comparison in this case are two countries in Asia, one in Europe, two in North America, and two in South America: Singapore, Japan, Portugal, the USA (where the Common Core State Standards (2010) are not national but are agreed on by most of the states), Mexico, Brazil, and Chile, from the viewpoint of their influences on Ibero-American countries. (The National Council of Teachers of Mathematics (NCTM) standards (published in 2000) and the Japanese and Singapore textbooks have been influential in Latin America. Additionally, Portugal was selected to be compared with Brazil). To distinguish between each country’s standard and the general standards described here, the national curriculum standards are just called the “program.” The comparison shows the differences in the programs for multiplication in these countries in relation to the sequence of the description and the way of explanation. The role of this chapter in Part I of this book is to provide the introductory questions that will be discussed in Chaps. 3, 4, 5, 6, and 7 to explain the features of the Japanese approach. (As is discussed in Chap. 1, the Japanese approach includes the Japanese curriculum, textbooks, and methods of teaching which can be used for designing classes, as has been explored in Chile (see (Estrella, Mena, Olfos, Lesson Study in Chile: a very promising but still uncertain path. In Quaresma, Winsløw, Clivaz, da Ponte, Ní Shúilleabháin, Takahashi (eds), Mathematics lesson study around the world: Theoretical and methodological issues. Cham: Springer, pp. 105–122, 2018). The comparison focuses on multiplication of whole numbers. In multiplication, all of these countries seem to have similar goals—namely, for their students to grasp the meaning of multiplication and develop fluency in calculation. However, are they the same? By using the newest editions of each country’s curriculum standards, comparisons are done on the basis of the manner of writing, with assigned grades for the range of numbers, meanings, expression, tables, and multidigit multiplication. The relationship with other specific content such as division, the use of calculators, the treatment of multiples, and mixed arithmetic operations are beyond the scope of this comparison. Those are mentioned only if there is a need to show diversity.
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Conference papers on the topic "Chilean needle grass"

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Studley, Bruce C., and Victor Fuentes. "Initial Operating Experiences and Overall Enhancements at the Chilean Coke Fired Petropower Cogeneration Facility." In 2002 International Joint Power Generation Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ijpgc2002-26182.

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On November 1, 1998 the Petropower Energia Limitada Project, located adjacent to Petrox’s 84,000 barrel per day (bpd) refinery in Talcahuano, Chile, entered into Commercial Operations. In addition to being the first public/private industrial partnership in Chile, it also was the first to combine petroleum coking technology with cogeneration technology in a single project financing. The project consists of a Delayed Coker Facility, which includes a 12,000 bpd Delayed Coker Unit and a 7,000 bpd Hydrotreating Unit, and a 74 MW (nominal, gross) Cogeneration Facility. The coke produced fuels a Foster Wheeler Circulating Fluidized Bed Boiler (CFB), and the energy produced provides electric power for the Petrox Refinery, the Delayed Coker Facility, and third parties, and high pressure steam for the refinery. The Cogeneration Facility, which consumes 24.8 Tonnes Per Hour of green coke, produces high-pressure steam, demineralized water and electricity for export to the refinery. The cogeneration unit also exports electricity, boiler feedwater and plant air to the Delayed Coker Facility. This leaves approximately 42 MW which is being exported to local third parties and the national grid. Environmentally, the overall project has resulted in a decrease in sulfur dioxide and particulate emissions from the refinery because of emission controls in the CFB, and elimination of burning fuel oil in the old utility system. Overall, the Delayed Coker Facility has permitted Petrox to refine heavier, less costly crudes, and the Hydrotreater Unit produces cleaner gasoline and diesel products. Petrox obtained these benefits without the expenditure of capital on the project, other than a small equity investment. The Cogeneration Facility has, and will continue to provide a long term, environmentally friendly solution to disposal of the high sulfur content coke produced by the coker, and maximizes its value as a high BTU (kilojoule - kJ) fuel for the Cogeneration Facility. The Cogeneration Facility has supplied all the refinery’s utility needs reliably and consistent with its expansion plans. After briefly describing the overall project, this paper places emphasis on the cogeneration plant with a focus on the operational experiences, including fouling, and the reliability improvements undertaken during the plant’s last three years of commercial operation. In addition, O&M costs and an overview of project economics are discussed.
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Steagall, Marcos, and Michele Wilkomirsky. "Co-evaluating emergency signage in coastal communities in Chile and Aotearoa: a case study." In LINK 2021. Tuwhera Open Access, 2021. http://dx.doi.org/10.24135/link2021.v2i1.77.

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Changes have significantly impacted the Design profession and disciplines during the last two decades, propelled by wicked problems confronting our societies. Climate change, loss of biodiversity, depletion of natural resources and the widening gap between rich and poor are just a few of the complex problems that require new approaches to problem-solving. In this uncertainty scenario, there is an increasing recognition that design, and designers can contribute to practical solutions. Many of these challenges are located outside the context of the business and consumer marketplace, and they require approaches that draw on multiple design specialisms and diverse worldviews. New design areas have been emerging to respond to this complexity, including Design for Social Innovation, Integrated Design and Transition Design (Irwin, 2015). This project heralds to contribute to discourses on how Design Practices can engage and contribute to problems in the field of emergencies, focused on understanding the issues and needs of coastal communities in Chile and Aotearoa, New Zealand. It is structured around an international collaboration between researchers and students from both countries. Generally, in the field of information design, the end-user, the ordinary citizen, is subjected to tests and testing in the final stages of design. We think that co-design methodologies seek to integrate future users early, considering them experts in the knowledge of their physical and social territory, such as a neighbourhood (Wilkomirsky, 2019). According to Petersen, Buscher, Kuhnert, Schneider and Pottebaum (2015), co-design methods are “particularly valuable for eliciting ethical, legal, and social issues that would otherwise go unconsidered” (p.1). But by starting with visual systems already designed we thought that co-evaluation is a necessary first step that would allow us to grasp design judgment elements, among others: legibility, understanding of the message, clarity, and cross this information with the experience of the territory and its people for co-design improvements to what was projected in an abstract scale. Cockbill, May, and Mitchell, V. (2019) define co-design as “the act of designers, end-users, and other actors combining their views, skills, and perspectives at various stages of the design process in ways that influence the outcome” (p.568). In this first phase of this project, we compared visual information for evacuation routes including the administrative structure of the information and the visual display in different platforms in two cities: Whitianga and Puerto Montt, selected due the students local knowledge considering them also as users. Through these methodologies, we would integrate users from an initial stage and co-evaluate the status of the information design in the evacuation routes determined by local authorities, taking the problem designed from a macro scale to a detailed scale, making it possible for specific needs to appear. Due the pandemic, we were able to compare both systems, and design some visual improvements for a signage system that may be tested and evaluated on a second phase with both communities.
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