Bibliografie tematiche / Gorse

Letteratura scientifica selezionata sul tema "Gorse"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 21 febbraio 2023

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Articoli di riviste sul tema "Gorse"

1

Broadfield, Nicholas, e Melinda T. McHenry. "A World of Gorse: Persistence of Ulex europaeus in Managed Landscapes". Plants 8, n. 11 (19 novembre 2019): 523. http://dx.doi.org/10.3390/plants8110523.

Testo completo
Abstract (sommario):
Gorse (Ulex europeus L.) is a woody legume and invasive woody weed that has been introduced to temperate pastoral landscapes worldwide. Despite the apparent cosmopolitan distribution of gorse across much of the temperate agroecological landscapes of the world, research and practice pertaining to the management of gorse has been largely constrained to single-treatments, regions, or timeframes. Gorse eradication has been widely attempted, with limited success. Using the PRISMA (preferred reporting items for systematic reviews and meta-analysis) method and a quasi-metanalytical approach, we reviewed the seminal ~299 papers pertaining to gorse management. We identified (i) the ecological characteristics of the species that predispose gorse to behaving invasively, and (ii) the success of management actions (from a plant ecological life history perspective) in reducing weed vigour and impact. A broad ecological niche, high reproductive output, propagule persistence, and low vulnerability to pests allow for rapid landscape exploitation by gorse throughout much the world. Additionally, there are differences in flowering duration and season in the northern and southern hemisphere that make gorse particularly pernicious in the latter, as gorse flowers twice per year. The implications of these life history stages and resistance to environmental sieves after establishment are that activity and efficacy of control is more likely to be favourable in juvenile stages. Common approaches to gorse control, including herbicides, biological controls, and fire have not been ubiquitously successful, and may in fact target the very site resources—sward cover, soil stability, hydrological balance—that, when degraded, facilitate gorse invasion. Ongoing seedling regeneration presents difficulties if eradication is a goal, but facilitated competition may reduce costs via natural suppression. Mechanical methods of gorse removal, though highly successful, induce chronic soil erosion and land degradation and should hence be used sparingly.
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2

Shepherd, J. D., e W. G. Lee. "Satellite mapping of gorse at regional scales". New Zealand Plant Protection 55 (1 agosto 2002): 95–98. http://dx.doi.org/10.30843/nzpp.2002.55.3926.

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Abstract (sommario):
The spatial distribution of gorse in the Wellington Region was mapped using Landsat satellite imagery This satellite is capable of mapping at regional scales (150 000) with a large spatial extent (180 km x 180 km) and has spectral bands in both the visible and infrared parts of the spectrum (6 bands in total) A spring Landsat image distinguished flowering gorse enabling mapping of gorse as a separate scrub type We chose a minimum patch size of 05 ha with a boundary precision of 15 m An error assessment using 1200 stratified random samples across the Wellington region compared the satellite classified result with colour aerial orthophotography and found the mapping accuracy of gorse to be 95 Gorse area by catchment was calculated using an existing GIS of catchment boundaries The area and percent cover of gorse within a catchment is a potential way to target management at regional scales
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3

Edwards, G. R., K. N. Tozer, T. M. R. Maxwell e A. J. Marshall. "Control of gorse (Ulex europaeus) in dryland pasture converted from Pinus radiata forest". New Zealand Plant Protection 60 (1 agosto 2007): 141–45. http://dx.doi.org/10.30843/nzpp.2007.60.4672.

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Abstract (sommario):
The effect of crop sequence pasture species mixture and nitrogen fertiliser on gorse establishment was monitored over 23 months in land converted from pine forest to a dryland sheep pasture There were fewer gorse plants in plots sown initially into the forage crop triticale and then into grasslegume pasture than plots sown directly into grass or grasslegume pasture Once the triticale was grazed undersowing grasslegume pasture beneath rape to establish clover rich pastures suppressed gorse more than sowing grasslegume pasture directly There was no effect of nitrogen fertiliser applied at 150 kg N/ha/year on gorse plant density or cover Appropriate management tools to control gorse in forest to pasture conversions include a combination of crop sequences where forage crops are followed by pasture and the establishment of pasture legume rich herbage This type of pasture is preferred by livestock and results in high grazing intensity of gorse seedlings growing in the pasture
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4

Marteau, Audrey, Martin Fourmaux e Jean-Philippe Mevy. "The Role of Gorse (Ulex parviflorus Pourr. Scrubs) in a Mediterranean Shrubland Undergoing Climate Change: Approach by Hyperspectral Measurements". Plants 12, n. 4 (15 febbraio 2023): 879. http://dx.doi.org/10.3390/plants12040879.

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Abstract (sommario):
The goal of this study was to observe the neighbor effect of Gorse, a plant of the Fabaceae family, on three typical species of Mediterranean shrubland: kermes oak, white Cistus and rosemary. For this purpose, a hyperspectral analysis and the application of vegetation indices (VIs) were carried out. We provide the spectral signature of Gorse, which differs mainly from that of its companion species in the band between 700 and 1350 nm. This supposed Gorse effect was tested in natural conditions and in conditions of forced drought to simulate the effects of the climate change predicted for the Mediterranean Basin. Field spectrometry demonstrated the existence of such interactions between the four species. In control stands, the presence of Gorse significantly modifies the spectral responses of kermes, white Cistus and rosemary, mainly in the near-infrared region (700–1350 nm). Both tri- and tetra-specific plant assemblages also exhibited spectral changes, suggesting an indirect effect of Gorse. Under drought conditions, one-way ANOVA followed by Fisher’s LSD test led us to identify the features involved in plants’ coexistence with Gorse. The Cistus albidus reflectance spectrum was clearly increased in the presence of Gorse in rain-exclusion conditions. The application of several VIs allowed us to extract new information on the variation of spectral signatures. Unexpectedly, nitrogen supply by Gorse was not shown, except for Cistus, as shown by the VI NDVI (N) analysis. However, this study proved that Gorse can modify the behavior of its companion species in controls, but also in drought conditions, by increasing their photosynthesis activity (NIRvP) and water content (ratio R975/R900). Gorse therefore appears as a key species in the ecosystem of the Mediterranean shrubland, but its high vulnerability to drought leaves a vacant ecological niche in plant communities. While the spectral reflectance increases linearly with the specific richness in the lack of any disturbance, by contrast, climate aridification imposes a double reciprocal profile. This clearly means that multispecific plant communities cope better with climate change. Nevertheless, knowledge of the underlying mechanisms requires further structural, chemical, and biochemical investigation.
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5

Gonzalez, Maya, Alexis Mathieu, Laurent Augusto, Céline Gire, Mark R. Bakker e Anne Budynek. "Gorse seed bank variability in maritime pine stands". Seed Science Research 20, n. 1 (1 dicembre 2009): 31–38. http://dx.doi.org/10.1017/s0960258509990237.

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Abstract (sommario):
AbstractEuropean gorse (Ulex europaeusL.) is a spiny shrub that grows spontaneously in the understorey of forests and heathlands in western Europe. Gorse is a pioneer species and forms large seed banks that can persist for a long time while buried deeply in the soil. Although many studies have been conducted on gorse seed banks in invasive contexts and in scrubland ecosystems, few data are available on forests in a native context. The aim of the present study was thus to report on the variability of seed-bank density in ‘critical’ stages in the forest management of pine stands (five stands) in south-western France. We examined variations in the number of gorse seeds as a function of soil depth but also of the presence and abundance of adult gorse in the understorey. Seed-bank density did not show a clear decrease in seed number with pine stand age, principally because gorse also appears to be able to establish itself in mature pine stands, probably thanks to local disturbances. In the pine stands in our study, the presence and abundance of seeds in the soil appeared to depend mostly on the presence of adult gorse as seeders in the understorey. Finally, we observed that, contrary to what has generally been found in scrubland ecosystems, most gorse seeds were located in the 5–10 cm soil layer rather than in the 0–5 cm soil layer. This depletion of the first 5 cm may be linked to seed germination that was not compensated for by the production of new seeds.
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6

Harradine, AR, e AL Jones. "Control of gorse regrowth by Angora goats in the Tasmanian Midlands". Australian Journal of Experimental Agriculture 25, n. 3 (1985): 550. http://dx.doi.org/10.1071/ea9850550.

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Abstract (sommario):
Angora wethers were evaluated for the control of gorse regrowth (Ulex europaeus) after burning. Unreplicated plots containing approximately 0.5 ha gorse and 0.5 ha perennial ryegrass (Lolium perenne) dominant pasture were stocked with A, 6 goats/ha; B, 10 goats/ha; C, 5 goats + 4 sheep (Polwarth wethers)/ha; or D, 5 sheep/ha in June 1981. After 2 years, percentage gorse control was estimated to be 82, 96, 92 and 56%, and percentage gorse ground cover was 36, 16, 13 and 47% for treatments A, B, C and D, respectively. Between spring 198 1 and spring 1982, when gorse was freely available for browsing, pasture consumption by goats averaged 15% (A) and 40% (B) of available pasture. Where goats were present, pastures contained a greater proportion of perennial ryegrass and less barley grass (Hordeurn sp.) and slender thistle (Carduus pycnocephalus) than where only sheep were grazing. Mean mohair production per goat from October 1982 to September 1983 was 3.2,2.3 and 2.4 kg for treatments A, B and C, respectively. Gross fleece values ($/ha) for the same period were $143 (A), $173 (B), $135 (C) and $92 (D).The preferential browsing of gorse and the acceptable mohair yields indicate that Angora goats could be used in a complementary grazing relationship with sheep for gorse control and product diversification in the Tasmanian Midlands.
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7

Atlan, Anne, e Nathalie Udo. "The Invasive Niche, a Multidisciplinary Concept Illustrated by Gorse (Ulex Europaeus)". Diversity 11, n. 9 (12 settembre 2019): 162. http://dx.doi.org/10.3390/d11090162.

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Abstract (sommario):
This study analyzes the natural and social factors influencing the emergence and publicization of the invasive status of a fast-growing bush, gorse (Ulex europaeus), by comparison between countries on a global scale. We used documents collected on the web in a standardized way. The results show that in all the countries studied, there are several public statuses attributed to gorse. The invasive status is the one that is most shared. The other most frequently encountered status are those of noxious weed, and those of which are economically useful. The invasive status is publicized in nearly all countries, including those where gorse is almost absent. We quantified the publicization of the invasive gorse status of gorse by an indicator with 5 levels, and then performed a multivariate analysis that combines natural and social explanatory variables. The results lead us to propose the concept of invasive niche, which is the set of natural and social parameters that allow a species to be considered invasive in a given socio-ecosystem
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8

Mustafa, Hussein Habeeb, Mohamed A. Ibrahim Elahmar, Rwoaa Tareq Hameed, Mohammed Alsultan, Layth Nesseef e Gerhard F. Swiegers. "Extraction and Identification of Effective Compounds from Natural Plants". Journal of Composites Science 6, n. 5 (19 maggio 2022): 149. http://dx.doi.org/10.3390/jcs6050149.

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Abstract (sommario):
Most botanical species contain various types of bioactive compounds. This study focusses on the extraction and identification of bioactive compounds from Calicotome spinosa (Gorse), including flavones, α-linolenic acid and sugar. During the investigation of gorse flowers, leaves and bark, flavones were isolated from the bark and leaves. Calicotome spinosa showed a total isoflavonoid content of 1.5% from the bark of gorse and 1.3% from the leaves. To find the best conditions for flavone extraction, samples of Calicotome spinosa were extracted with different solvents (methanol, water and acetonitrile). Methanol was found to be a suitable solvent to selectively extract flavone. An unsaturated cis fatty acid (α-linolenic acid, C18:3 ∆9, 12, 15) was identified as the principal component of the triacylglycerol fraction from the flowers. Hydrolyses process conditions were used to study Gorse wood. The results indicated that the wood of gorse is not a suitable substance for making paper. The extracted bioactive compounds were analysed using NMR, GCMS, UV, TLC and Fibre Analyser techniques. The extracted compounds offered uses as antioxidants and agricultural chemicals in addition to other benefits.
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9

Hill, R. L., H. M. Grindell, C. J. Winks, J. J. Sheat e L. M. Hayes. "Establishment of gorse spider mite as a control agent for gorse". Proceedings of the New Zealand Weed and Pest Control Conference 44 (8 gennaio 1991): 31–34. http://dx.doi.org/10.30843/nzpp.1991.44.10798.

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10

Liu, W. Y. Y., M. Premaratne, R. Cresswell, D. Dash, D. Jack e M. Andrews. "Gorse is a 'facultative' N2 fixer". Journal of New Zealand Grasslands 78 (1 gennaio 2016): 181–84. http://dx.doi.org/10.33584/jnzg.2016.78.503.

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Abstract (sommario):
Many legumes reduce their atmospheric N2 fixation per unit biomass in response to increased soil N availability but there are reports that some maintain a constant rate of N2 fixation per unit biomass regardless of soil N levels. These different responses to soil N availability have been described, respectively, as 'facultative' and 'obligate' N2 fixation strategies. Views in the literature differ if gorse is a facultative or obligate N2 fixer. Here, firstly, the proportion of N derived from the atmosphere (%Ndfa) was assessed for mature gorse plants mainly in hedges bordering intensive agricultural land at different sites in the Selwyn district, Canterbury, New Zealand using the 15N natural abundance technique. Secondly, the effect of nitrate (NO3 -) supply on %Ndfa was determined for gorse seedlings under glasshouse conditions using 15NO3 -. Under field conditions, values ranged from 14.7-88.0 %Ndfa. In the glasshouse, %Ndfa values decreased from 97 when no N was supplied to 24 %Ndfa when N supply was increased to the equivalent of 200 kg N/ha. It is concluded that gorse shows a facultative N2 fixation strategy. Keywords: legume, nitrate, 15N natural abundance, nitrate reductase activity, gorse, Ulex europaeus
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Più fonti

Tesi sul tema "Gorse"

1

Millar, Gavin Francis. "Aggregation and development of the gorse spider mite Tetranychus lintearius dufour (acari: tetranychidae)". Thesis, University of Canterbury. Zoology, 1993. http://hdl.handle.net/10092/1495.

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Abstract (sommario):
Gorse, Ulex europaeus, is a serious weed of agriculture and forestry in New Zealand. The mite Tetranychus lintearius feeds on gorse in Europe and was released in New Zealand during autumn 1989 as a potential biological control agent. The aim of my laboratory study was to increase available knowledge on its development and aggregation. As the quality of gorse declined as a food resource (as indicated by chlorophyll content) a significant decline in egg production, and an increase in development time of mites was found. Mean egg production at 15℃ ranged from 37.8 to 45.2 eggs/female over 10 days in the experimental treatments and development time from 39.2 to 43.3 days. Density of adult female mites (1, 2, 5, 10, 15, 20/spine) also had a significant effect on the number of eggs produced/female over ten days (mean daily egg production/female, 0.78-0.88). Mean development time from egg to adult decreased from 40.6 to 39 days as density increased from 1 to 50 mites/spine. The resident New Zealand strain of T lintearius, imported originally from Cornwall, is now widely established but has not established successfully on the west coast of the South Island or in the north of the North Island. Four new strains recently introduced from coastal Portugal and Spain, areas climatically similar to these New Zealand regions, may be more successful. Thus, although egg production and survival of all strains were significantly reduced when subjected to daily periods of simulated rainfall in laboratory experiments, those of the newly introduced strains were least affected. Laboratory experiments with the resident New Zealand and Cambados strains also showed that individuals aggregated actively at 10-20℃, but the latter aggregated more strongly at these temperatures. This strong aggregation behaviour may increase survival in warm, wet climates and suggests that Cambados strain mites could become established and so increase gorse control in Westland and Northland.
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2

Anderson, Stuart Alexander James. "Fuel moisture and development of ignition and fire spread thresholds in gorse (Ulex europaeus)". Thesis, University of Canterbury. Forestry, 2009. http://hdl.handle.net/10092/3013.

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Abstract (sommario):
Shrub fuels are capable of extreme fire behaviour under conditions that are often moderate in other fuels. There is also a narrow range of conditions that determine fire success in these fuels, below which fires may ignite but hardly spread and above which they ignite and develop into fast moving and high intensity fires. This is due to the elevated dead fine fuels that dry rapidly and carry fire. Fire danger rating systems designed for forest and grassland fuels do not predict fire potential in shrub fuels very well. Fire management requires fire danger rating systems to provide accurate and timely information on fire potential for all important fuel types. Studies of fuel moisture, ignition and fire spread were carried out in the field in gorse (Ulex europaeus L.) shrub fuels to predict the moisture content of the elevated dead fuels and to define the conditions that govern fire development. The accuracy of the Fine Fuel Moisture Code (FFMC) of the Canadian Forest Fire Weather Index (FWI) System to predict moisture content of this layer was assessed. A bookkeeping method to predict moisture content was developed based on semi-physical models of equilibrium moisture content, fuel response time and the FFMC. The FFMC predicted moisture content poorly, because the FWI System is based on the litter layer of a mature conifer forest. The gorse elevated dead fuel layer is more aerated and dries faster than this conifer forest litter layer. The bookkeeping method was reliable and allowed adjustment of fuel response time based on weather conditions. Difficulties in modelling meteorological conditions under the gorse canopy limited its accuracy. Separate thresholds determined ignition and fire spread success, with both based on the elevated dead fuel moisture content. Options to improve the shrub fire danger rating system were presented based on these findings. The results are significant because they are based on data collected in the field under real conditions. Validation of these results and extension to other shrub fuels is required before the findings are used to change current models. However, the study has significantly advanced the knowledge of fire behaviour in shrub fuels and will contribute to safe and effective fire management in these fuels.
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3

Yamoah, Emmanuel. "A model system using insects to vector Fusarium tumidum for biological control of gorse (Ulex europaeus)". Phd thesis, Lincoln University. Bio-Protection and Ecology Division, 2007. http://theses.lincoln.ac.nz/public/adt-NZLIU20080131.114607/.

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Abstract (sommario):
The overall objective of this study was to test the hypothesis that insects can vector F. tumidum conidia to infect gorse plants with the aim of developing an alternative approach to mycoherbicide delivery to control weeds. Four potential insect species (Apion ulicis, Cydia ulicetana, Epiphyas postvittana and Sericothrips staphylinus) were assessed for their ability to vector F. tumidum conidia. To achieve this, the external microflora (bacteria and fungi) and the size and location of fungal spores on the cuticle of these insect species were determined. In addition, the ability of the insects to pick up and deposit F. tumidum conidia on agar was studied. Based on the results from these experiments, E. postvittana was selected for more detailed experiments to determine transmission of F. tumidum to infect potted gorse plants. The factors promoting pathogenicity of F. tumidum against gorse and the pathogen loading required to infect and kill the weed were also determined. The external microflora of the four insect species were recovered by washing and plating techniques and identified by morphology and polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) and sequencing of internally transcribed spacer (ITS) and 16S rDNA. A culture-independent technique (direct PCR) was also used to assess fungal diversity by direct amplification of ITS sequences from the washings of the insects. All insect species carried Alternaria, Cladosporium, Nectria, Penicillium, Phoma, Pseudozyma spp. and entomopathogens. Ninety four per cent of the 178 cloned amplicons had ITS sequences similarity to Nectria mauritiicola. E. postvittana carried the largest fungal spores (mean surface area of 125.9 ìm2) and the most fungal CFU/insect. About 70% of the fungi isolated from the insects were also present on the host plant (gorse) and the understorey grass. The mean size of fungal spores recovered from the insect species correlated strongly with their body length (R² = 85%). Methylobacterium aquaticum and Pseudomonas lutea were common on all four insect species. Pseudomonas fluorescens was the most abundant bacterial species. In the pathogenicity trials, the effectiveness of F. tumidum in reducing root and shoot biomass of 16 and 8 wk old gorse plants was significantly increased with wounding of the plants. Older plants (32 wk old) which were wounded and inoculated were significantly shorter, more infected and developed more tip dieback (80%) than plants which were not wounded (32%). This indicates that damage caused by phytophagous insect species present on gorse through feeding and oviposition may enhance infection by F. tumidum. Wounding may release nutrients (e.g. Mg and Zn) essential for conidia germination and germ tube elongation and also provide easier access for germ tube penetration. Conidial germination and germ tube length were increased by 50 and 877%, respectively when incubated in 0.2% of gorse extract solution for 24 h compared with incubation in water. Inoculum suspensions amended with 0.2% of gorse extract caused more infection and significantly reduced biomass production of 24 wk old gorse plants than suspensions without gorse extract. A minimum number of about 900 viable conidia/infection site of F. tumidum were required to infect gorse leaves. However, incorporation of amendments (which can injure the leaf cuticle) or provision of nutrients (i.e. gorse extract or glucose) in the formulation might decrease the number of conidia required for lesion formation. Scanning electron micrographs showed that germ tube penetration of gorse tissue was limited to open stomata which partly explain the large number of conidia required for infection. The flowers and leaves were more susceptible to F. tumidum infection than the spines, stems and pods. An experiment to determine the number of infection sites required to cause plant mortality showed that the entire plant needs to be inoculated in order for the pathogen to kill 10 wk old plants as F. tumidum is a non systemic pathogen. The number of infection sites correlated strongly with disease severity (R² = 99.3%). At least 50% of the plant was required to be inoculated to cause a significant reduction in shoot dry weight. F. tumidum, applied as soil inoculant using inoculated wheat grains in three separate experiments, significantly suppressed gorse seedling emergence and biomass production. In experiments to determine the loading capacity of the insect species, E. postvittana, the largest insect species studied, carried significantly more (68) and deposited significantly more (29) F. tumidum conidia than the other species. Each E. postvittana, loaded with 5,000 conidia of F. tumidum, transmitted approximately 310 conidia onto gorse plants but this did not cause any infection or affect plant growth as determined by shoot fresh weight and shoot height. E. postvittana on its own did not cause any significant damage to gorse and did not enhance F. tumidum infection. It also failed to spread the pathogen from infected plants to the healthy ones. There was no evidence of synergism between the two agents and damage caused by the combination of both E. postvittana and F. tumidum was equivalent to that caused by F. tumidum alone. This study has shown that E. postvittana has the greatest capacity to vector F. tumidum since it naturally carried the largest and the most fungal spores (429 CFU/insect). Moreover, it naturally carried Fusarium spp. such as F. lateritium, F. tricinctum and Gibberella pulicaris (anamorph Fusarium sambucinum) and was capable of carrying and depositing most F. tumidum conidia on agar. Coupled with the availability of pheromone for attracting the male insects, E. postvittana may be a suitable insect vector for delivering F. tumidum conidia on gorse using this novel biocontrol strategy. Although it is a polyphagous insect, and may visit non-target plants, F. tumidum is a very specific pathogen of gorse, broom and a few closely related plant species. Hence, using this insect species to vector F. tumidum in a biological control programme, should not pose a significant threat to plants of economic importance. However, successful control of gorse using this "lure-load-infect" concept would depend, to a large extent on the virulence of the pathogen as insects, due to the large size of F. tumidum macroconidia, can carry only a small number of it.
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4

Councell, Catie. "Killing the goose". Thesis, University of Iowa, 2018. https://ir.uiowa.edu/etd/6087.

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This statement of process parses out the techniques utilized when creating a character for performance, specifically focused on examples from three years of graduate studies in acting. The paper identifies and analyzes the challenges an actor encounters, and the tools an actor utilizes when crafting a character. The goal of the process paper is to identify common techniques generally, as well as examining specific techniques used infrequently. The paper concludes with a statement of the state of the artist.
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5

Gaye, Aliou. "Tourisme et patrimoine culturel : valorisations,enjeux et stratégies de développement local á l’île de Gorée et en pays Bassari". Thesis, Lyon, 2020. http://www.theses.fr/2020LYSE2015.

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Abstract (sommario):
Cette présente thèse tente d’examiner les relations ambivalentes entre tourisme et patrimoine culturel à l’île de Gorée et en pays Bassari, promus tous deux au patrimoine mondial de l’humanité. Elle s’interroge sur la construction des mémoires collectives de l’esclavage, des héritages coloniaux, des identités territoriales et des paysages culturels à travers la mise en patrimoine et la mise en tourisme des ressources patrimoniales. En étudiant les jeux d’acteurs dans la protection des biens patrimoniaux et l’appropriation de l’espace, elle cherche à analyser les enjeux politiques, socioculturels, économiques et environnementaux, examiner les imaginaires touristiques et les représentations sociales, et redéfinir les stratégies de développement local. L’objectif est de montrer comment le tourisme peut contribuer à la redynamisation de ces territoires, dans un contexte où les cultures locales sont menacées par les effets contrastés de la mondialisation, et où la corruption reste encore présente. Si le processus de patrimonialisation représente un renouveau pour les collectivités territoriales, quelle politique patrimoniale et institutionnelle les professionnels du tourisme et les experts du patrimoine peuvent-ils entreprendre face aux tensions mémorielles et aux revendications territoriales et identitaires que suscitent ce mécanisme ?
This thesis attempts to examine the ambivalent relationship between tourism and cultural heritage on the island of Goree and in Bassari country, both promoted to World Heritage of Humanity. She wonders about the construction of the collective memories of slavery, colonial legacies, territorial identities and cultural landscapes through the setting in heritage and the tourism of heritage resources. By studying the role of actors in the protection of heritage assets and the appropriation of space, it seeks to analyze political, socio-cultural, economic and environmental issues, examine tourist imaginations and social representations, and redefine local development. The aim is to show how tourism can contribute to the revitalization of these territories, in a context where local cultures are threatened by the contrasting effects of globalization, and where corruption is still present. If the patrimonialization process represents a renewal for local authorities, what heritage and institutional policy can tourism professionals and heritage experts undertake in the face of the memory tensions and territorial and identity claims that this mechanism provokes ?
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6

Bärwald, Manuel, e Julia Meyer. "Auftakt für Manfred Gorke". SLUB Dresden, 2016. https://slub.qucosa.de/id/qucosa%3A7780.

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Das Bach-Archiv Leipzig hat im September mit der Digitalisierung der Sammlung Gorke begonnen. Die Leipziger Forschungseinrichtung versteht sich als musikalisches Kompetenzzentrum am Hauptwirkungsort Johann Sebastian Bachs. Sein Zweck ist, Leben, Werk und Wirkungsgeschichte des Komponisten und der weit verzweigten Musikerfamilie Bach zu erforschen, sein Erbe zu bewahren und als Bildungsgut zu vermitteln. Im Bewusstsein der Bedeutung Bachs erfüllt es im historischen Bosehaus am Thomaskirchhof einen umfassenden und vielfältigen Auftrag für eine breite internationale Öffentlichkeit.
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7

Zahradník, Jiří. "Testování zranitelností v průmyslových sítích". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413061.

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Thesis deals with testing of selected vulnerabilities from the IEC 61850 standard and following design of mitigation measures for selected vulnerabilities. Author simulated vulnerabilities of the GOOSE protocol, NTP attack and attack ona MMS client. Those attacks were GOOSE stNum, GOOSE semantic, GOOSE test bit,GOOSE replay, GOOSE flood, NTP spoofing and MMS password capture. Attacks on protocols GOOSE and MMS were successful, attack on NTP was only partially successful since the device confirmed receiving spoofed time, however it did not change it’s inner clock. Author then designed possible mitigation measures. Tool for automatic testing of selected vulnerabilities, parser for the GOOSE protocol and lightweight multiplatform parser for configuration files were created as well.The outcome of this thesis allows the implementation of lager scale tool for penetration testing of industrial networks as well as it allows implementation of discussed mitigation measures.
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Funk, Gregory Douglas. "Locomotor-respiratory synchrony in the Canada goose". Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/41446.

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Using a variety of preparations, (intact birds during treadmill and overground walking/running and free-flight; decerebrate birds during electrically induced walking/running, passive wing flapping, and electrically induced wing flapping and "Active" flight), this thesis examines some of the mechanisms involved in the production and control of locomotor-respiratory coordination (entrainment) during alternating hindlimb locomotion (walking/running) and synchronous forelimb locomotion ("flight") in the Canada goose. Significant coordination of locomotor and respiratory rhythms was observed during both modes of locomotion in intact as well as decerebrate birds. While coordination of forelimb motion and respiration was virtually complete, coordination of hindlimb motion and respiration was sporadic. The level of entrainment during hindlimb locomotion, however, increased with increased stride frequency, rather than increased work rate, suggesting that proprioceptive feedback from the limbs is involved in the production of locomotor-respiratory entrainment. Further evidence for a role of proprioceptive feedback in the production of entrainment was provided by the entrainment of respiration by passive wing motion in decerebrate geese. Although feedback from the periphery was sufficient for the entrainment of wing motion and respiration, motor nerve outputs to the wing and respiratory musculature were also synchronized in paralyzed, decerebrate birds during electrically induced activity, in the complete absence of phasic afferent feedback. Thus, both feedback and feedforward mechanisms appear sufficient for the coordination of wing beat and respiration.
Science, Faculty of
Zoology, Department of
Graduate
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Coluccy, John Matthew. "Reproductive ecology, bioenergetics, and experimental removal of local giant Canada geese (Branta canadensis maxima) in central Missouri /". free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3012961.

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Warren, Stephanie M. "Individual performance in the Canada goose Branta canadiensis". Thesis, University of East Anglia, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386272.

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Libri sul tema "Gorse"

1

Gorse. Beyoğlu, İstanbul: Vate, 2007.

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2

1956-, Shaughnessy E., a cura di. Gorse. Princes Risborough: Shire, 1987.

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Orsman, Chris. Ornamental gorse. Wellington: Victoria University Press, 1994.

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4

Longley, Michael. Gorse fires. Winston-Salem, N.C: Wake Forest University Press, 1991.

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Longley, Michael. Gorse fires. Winston-Salem, N.C: Wake Forest University Press, 1991.

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Longley, Michael. Gorse fires. London: Secker & Warburg, 1991.

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7

Hamilton, Patrick, 1904 Mar. 17-1962., Hamilton, Patrick, 1904 Mar. 17-1962. e Hamilton, Patrick, 1904 Mar. 17-1962., a cura di. The Gorse trilogy. London: Black Spring Press, 2007.

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8

Parker, Robert. Gorse (Ulex europaeus L.). [Olympia, Wash.]: Washington State University Cooperative Extension, 2001.

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Parker, Robert. Gorse (Ulex europaeus L.). [Olympia, Wash.]: Washington State University Cooperative Extension, 1991.

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Parker, Robert. Gorse (Ulex europaeus L.). [Olympia, Wash.]: Washington State University Cooperative Extension, 2001.

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Capitoli di libri sul tema "Gorse"

1

Liu, Xu, e David Burnett. "Zhen’s Story". In Golden Goose, 1–23. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_1.

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2

Liu, Xu, e David Burnett. "Dong’s Story: Fourth Son". In Golden Goose, 139–51. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_10.

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Liu, Xu, e David Burnett. "Grandma Remembers". In Golden Goose, 153–62. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_11.

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Liu, Xu, e David Burnett. "Anthropological Themes". In Golden Goose, 163–83. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_12.

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Liu, Xu, e David Burnett. "Shun’s Story: Number One Daughter". In Golden Goose, 25–41. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_2.

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Liu, Xu, e David Burnett. "Ze’s Story: Husband of First Daughter". In Golden Goose, 43–58. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_3.

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Liu, Xu, e David Burnett. "Shi’s Story: Second Daughter". In Golden Goose, 59–73. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_4.

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Liu, Xu, e David Burnett. "Hua’s Story: Third Daughter". In Golden Goose, 75–86. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_5.

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Liu, Xu, e David Burnett. "Chun’s Story: First Son, Fourth Child". In Golden Goose, 87–98. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_6.

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Liu, Xu, e David Burnett. "Xia’s Story: Second Son". In Golden Goose, 99–111. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3774-1_7.

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Atti di convegni sul tema "Gorse"

1

Wesley C Miller e Ganti S Murthy. "Gorse: Prospecting for valuable products in an invasive weed." In 2008 Providence, Rhode Island, June 29 - July 2, 2008. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2008. http://dx.doi.org/10.13031/2013.25108.

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Kariyawasam, Champika. "Invasive ranges of gorse in the Mount Lofty Ranges of South Australia and Sri Lanka". In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/108132.

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3

Hoffman, Bob. "Pepsi goose". In ACM SIGGRAPH 98 Electronic art and animation catalog. New York, New York, USA: ACM Press, 1998. http://dx.doi.org/10.1145/281388.281965.

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Storm, Judith A., Joe Kidney, S. Hegarty, A. G. Nicholson, P. McKeagney, S. Guy, G. Riddell, J. Foster, David Hansell e J. Lawson. "Goose Lung: Severe Hypersensitivity Pneumonitis With Goose Feather Duvets". In American Thoracic Society 2012 International Conference, May 18-23, 2012 • San Francisco, California. American Thoracic Society, 2012. http://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a4686.

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Apostolov, Alexander. "To GOOSE or not to GOOSE? - that is the question". In 2015 68th Annual Conference for Protective Relay Engineers. IEEE, 2015. http://dx.doi.org/10.1109/cpre.2015.7102196.

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Conzett, Jürg. "Crossing the Viamala Gorge". In Footbridge 2017 Berlin. Chair of Conceptual and Structural Design, Fachgebiet Entwerfen und Konstruieren – Massivbau, Technische Universität Berlin, 2017. http://dx.doi.org/10.24904/footbridge2017.09906.

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Durand, Paul-Emile, Georges Mauris, Sergio Ramirez, Sanad Shamsan e Lucas Wise. "Design of the A1-M1 link road extradosed bridge in Mauritius". In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1990.

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<p>The A1-M1 Link Road is a 1 km highway project, currently under construction in Mauritius. The project will cross the Grand River North West Valley, a 90 m deep gorge, with a 3-span extradosed bridge.</p><p>The island of Mauritius is subject to major cyclonic winds and the gorge being crossed needed to be adequately accounted for when assessing the wind effect on the bridge. A detailed wind climate study of the project site was conducted to derive wind buffeting loads for the design of the bridge.</p><p>In addition, particular geotechnical stability issues encountered at the cliffs on either side of the gorge, dictated a non-optimum span distribution which required a complex arrangement of temporary stay cables.</p><p>When complete, the bridge will be a key component of the A1-M1 Link Road Project and will link the existing A1 Road and M1 Motorway, improving connectivity on the West Coast of the Island.</p>
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Durand, Paul-Emile, Georges Mauris, Sergio Ramirez, Sanad Shamsan e Lucas Wise. "Design of the A1-M1 link road extradosed bridge in Mauritius". In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1990.

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<p>The A1-M1 Link Road is a 1 km highway project, currently under construction in Mauritius. The project will cross the Grand River North West Valley, a 90 m deep gorge, with a 3-span extradosed bridge.</p><p>The island of Mauritius is subject to major cyclonic winds and the gorge being crossed needed to be adequately accounted for when assessing the wind effect on the bridge. A detailed wind climate study of the project site was conducted to derive wind buffeting loads for the design of the bridge.</p><p>In addition, particular geotechnical stability issues encountered at the cliffs on either side of the gorge, dictated a non-optimum span distribution which required a complex arrangement of temporary stay cables.</p><p>When complete, the bridge will be a key component of the A1-M1 Link Road Project and will link the existing A1 Road and M1 Motorway, improving connectivity on the West Coast of the Island.</p>
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Scarselli, Rafael B., Leonardo Fiório Soares e Igor Monteiro Moraes. "Uma avaliação de Algoritmos Criptográficos em Redes IEC 61850: Uma Abordagem Prática". In II Workshop de Segurança Cibernética em Dispositivos Conectados. Sociedade Brasileira de Computação - SBC, 2019. http://dx.doi.org/10.5753/wscdc.2019.7704.

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This paper evaluates cryptographic algorithms applied to the GOOSE protocol in IEC 61850 communication networks for electrical substations.The IEC suggest the use of RSA for digital signature of GOOSE messages andat the same time define a maximum communication latency of 3 ms for critical messages. Through practical experiments with devices with low computational power, the inviability of the RSA suggested by the IEC is confirmed. Results show that the AES symmetric cryptography algorithm with the CMAC technique meets the time constraints defined by IEC, even when the entire payload of a 459-byte packet is encrypted.
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Tsai, Min-Yen, Shih-Yen Huang e Jzau-Sheng Lin. "Goose Farm Egg Production Analysis System". In 2018 International Symposium on Computer, Consumer and Control (IS3C). IEEE, 2018. http://dx.doi.org/10.1109/is3c.2018.00024.

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Rapporti di organizzazioni sul tema "Gorse"

1

Dauber, Cori E. The Goose and the Gander. Fort Belvoir, VA: Defense Technical Information Center, aprile 2010. http://dx.doi.org/10.21236/ada517566.

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Warren, Kelly. Climate Change, Its Effect on Migration Patterns of the Cackling Goose and White-Fronted Goose in the Willamette Valley, and Implications for Goose Management. Portland State University, settembre 2010. http://dx.doi.org/10.15760/mem.22.

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Ponton, David A. Raptor Use of the Rio Grande Gorge. Office of Scientific and Technical Information (OSTI), marzo 2015. http://dx.doi.org/10.2172/1209319.

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Syvitski, J. P. M., S. J. Hinds e J. A. Burns. Quaternary seismic stratigraphy of Goose Bay, Labrador. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/193703.

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Edwards, Wayne, e Sam Planck. Little Goose Dam Radial Gate Inspection and Testing. Fort Belvoir, VA: Defense Technical Information Center, febbraio 2001. http://dx.doi.org/10.21236/ada411665.

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Crum, Kevin, Jack Sands, Richard Amacher, Steven Sipe, Paul Muller, Lynn Reese e Duane West. Little Goose Lock and Dam Removable Spillway Weir. Fort Belvoir, VA: Defense Technical Information Center, agosto 2007. http://dx.doi.org/10.21236/ada472061.

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Schaefer, J. R., K. L. Wallace e C. M. Kassel. Preliminary bathymetric map of Mother Goose Lake, Alaska Peninsula. Alaska Division of Geological & Geophysical Surveys, maggio 2008. http://dx.doi.org/10.14509/16301.

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Nypaver, D., M. Abdalla e L. Guimaraes. GOOSE 1. 4 -- Generalized Object-Oriented Simulation Environment user's manual. Office of Scientific and Technical Information (OSTI), novembre 1992. http://dx.doi.org/10.2172/6869641.

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Setter, Ann. Smolt Monitoring Activities at Little Goose Dam; 1996 Annual Report. Office of Scientific and Technical Information (OSTI), luglio 1997. http://dx.doi.org/10.2172/650234.

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Nypaver, D. J., M. A. Abdalla e L. Guimaraes. GOOSE 1.4 -- Generalized Object-Oriented Simulation Environment user`s manual. Office of Scientific and Technical Information (OSTI), novembre 1992. http://dx.doi.org/10.2172/10129838.

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