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Tesi sul tema "Bird damage"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Watkins, Nigel G. "Ecological correlates of bird damage in a Canterbury vineyard." Lincoln University, 1999. http://hdl.handle.net/10182/508.

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Birds are a major pest in vineyards both in New Zealand and overseas. There is a need for new behavioural research on birds' foraging habits and feeding preferences in vineyards, as much of the literature to date is anecdotal. Research on cues to birds' feeding will provide a basis on which new deterrent and control strategies can be devised. Spatial-and temporal bird damage in a small vineyard block was mapped to find if damage was correlated with grape maturity and environmental factors. Vineyard and field observations of bird behaviour using video technology combined with preference experim

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2

Hui, Wun-fung, and 許桓峰. "Bird damage to vegetable crops in Long Valley during winter." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/194581.

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Long Valley is the largest agricultural wetland in Hong Kong and supports a high level of biodiversity. The implementation of Management Agreement project in Long Valley has successfully enhanced its conservation value through habitat management and various eco-agricultural practices. However, the conflict between profitable agricultural yield and bird conservation in the area has also been intensifying as reflected by the increasing number of complaints of bird-related crop damage from local farmers in winter. The study aimed to assess the extent and impact of crop damage caused by birds i

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3

Kale, Manoj Ashokrao. "Bird Species in Urban and Agricultural Landscapes : Bird diversity patterns along an urbanisation gradient and crop damage caused by birds on the Deccan Plateau, India." Doctoral thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-154421.

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The major human activities that have transformed the Earth include agriculture and urbanization. The present study was conducted to contribute to a description of the effect on birds of urbanization and agriculture in an Indian region. Terrestrial bird assemblages were censused along a five-stage urbanisation gradient between January and April 2010-2013 near the city of Amravati, on the Deccan Plateau, Central India. Altogether, 89 species of birds were recorded, with the highest species richness in the rural areas (67 species) and lowest in the urban stage (29 species). The assemblages were s

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4

Tedrow, Christine Atkins. "Bird Strike Risk Assessment for United States Air Force Airfields and Aircraft." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/40926.

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Analysis of strike data is critical to determine the true economic costs of bird strikes, determine the magnitude of safety issues, and develop preventive measures. Analysis of USAF bird-strike data identified trends and indicated suggested relationships among factors contributing to damaging strikes. From FY 1988 through FY 1997, the annual mean was 2,668 bird strikes with peaks evident in fall and spring. Daylight and dusk were hazardous for bird strikes. More bird strikes occurred during airfield operations - aircraft are at low altitudes and soaring birds are more numerous. Aircraft s

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5

Liao, Yusha. "Finite Element Analysis of Bird-strike on Leading-edge Structures." Thesis, The University of Sydney, 2019. https://hdl.handle.net/2123/22122.

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Bird-strikes are fatal incidents, which are to some degree unpredictable. It places threats on many levels of the aero industry. Therefore, it has become a critical area of interest in research, as well as design and manufacture. The subject for consideration, of this study, is the engineering problem of material performance under high-velocity impact; efforts are made to build a valid finite element model for analysing and optimising material structure using numerical approaches. Finite element analysis is developing rapidly, along with equally-thriving computer science. It tackles the comple

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6

Dignon, Niki. "Quantifying bird damage to wine grapes in the Western Cape of South Africa : a questionnaire-based approach." Bachelor's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/14121.

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Bird-wine grape damage is a globally acknowledged problem that has been the subject of considerable research in many wine growing regions. However, despite the Western Cape of South Africa being a major wine grape growing region, very little research has quantified bird damage in this region and very little is known about the extent of the problem. This research aimed to quantify bird damage to wine grapes in four grape growing regions of the Western Cape, through questionnaires. It also aimed to determine the factors that might explain the patterns of damage observed. 102 questionnaires were

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7

Saxton, Valerie Patricia. "Influence of ripening grape compounds on behavioural responses of birds." Phd thesis, Lincoln University. Agriculture and Life Sciences Division, 2004. http://theses.lincoln.ac.nz/public/adt-NZLIU20061207.121738/.

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Vineyards in New Zealand suffer bird damage caused by several avian species, including blackbirds and silvereyes. The introduced European Blackbird takes whole grapes which reduces yield. The self-introduced Australasian Silvereye pecks on grapes, leaving them on the vine to be further attacked by fungi and bacteria, and the subsequent off-odours can cause grapes to be refused by the winery or to suffer a price-reduction. Bird control methods remain primitive and largely ineffective during the long ripening period of wine grapes. An ecologically sound method to manage and reduce bird pressure

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8

Wohlfarth, Hasle Inger-Marie. "Tranors förekomst på fält kring Tåkern påverkas av vägar, vatten, byggnader, träd och buskage." Thesis, Linköpings universitet, Biologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-129776.

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Every year the Eurasian crane travel from northern Africa to northern Europe and Asia. On their migration route they need to rest and often choose places around shallow lakes in agriculture landscapes. During their time in these resting sites the cranes forage in agriculture fields surrounding the lakes, which often cause crop-damage and thereof also financial loses. The last 30 years the population has increased radically, resulting in more extensive crop-damage. This study was set out to gain a better understanding how these migrating cranes choose sites to forage, based on four environment

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9

Song, Yangkun. "Development of Comprehensive Dynamic Damage Assessment Methodology for High-Bypass Air Breathing Propulsion Subject to Foreign Object Ingestion." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/93960.

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Foreign object ingestion (FOI) into jet engines is a recurring scenario during the operation life of aircraft. Objects can range from as small as a pebble on the tarmac to the size of a large bird. Among the potential ingestion scenarios, damage caused by smaller objects may be considered to be negligible. Alternatively, larger objects can initiate progressive damage, potentially leading to catastrophic failure, compromising the integrity of the structure, and endangering the safety of passengers. Considering the dramatic increase in air traffic, FOI represents a crucial safety hazard, and mus

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10

Saxton, V. P. "Influence of ripening grape compounds on behavioural responses of birds." Diss., Lincoln University, 2004. http://hdl.handle.net/10182/28.

Testo completo

Abstract (sommario):

Vineyards in New Zealand suffer bird damage caused by several avian species, including blackbirds and silvereyes. The introduced European Blackbird takes whole grapes which reduces yield. The self-introduced Australasian Silvereye pecks on grapes, leaving them on the vine to be further attacked by fungi and bacteria, and the subsequent off-odours can cause grapes to be refused by the winery or to suffer a price-reduction. Bird control methods remain primitive and largely ineffective during the long ripening period of wine grapes. An ecologically sound method to manage and reduce bird pressure

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11

Bílek, Tomáš. "Vliv doby znečistění karoserie vozidla ptačím trusem na míru poškození laku." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318548.

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This diploma thesis deals with the issue of the degree of damage done to the vehicle‘s body paint varnish by bird droppings; with respect to the influence of the pollution time on the thickness of the layer of lacquer. The first chapter deals with the importance of varnish and other layers of body protection, types of body varnish damage, painting technology, lacquer defects, bird droppings and its effects on the varnish of the vehicle‘s body. The second chapter is dedicated exclusively to the description, planning and measurement of the coated layers on the vehicle’s body contaminated with bi

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12

Furness, Lindsay Jayne. "Energetics, oxidative damage and ageing in birds." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25473.

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13

Coulthard, Julie. "Parental incarceration and the ties that bind: children of offenders as collateral damage." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=95023.

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The children of offenders have often been referred to as the "hidden victims of crime," with parental incarceration shown to have a negative and profound impact on the children. However, despite pressing concerns regarding the welfare of these children, significant gaps exist in our understanding of their well-being, of the way in which certain factors impact their well-being, and of the relationship between the condition of the children's well-being and their deviant and criminal behaviour. In addition, there is a significant paucity of research addressing the topic of children of incarcerate

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14

Sitzlar, Megan Annette. "P450 aromatase alterations and DNA damage as avian pollution biomarkers in cliff and cave swallow breeding near the Rio Grande region, Texas." Texas A&M University, 2005. http://hdl.handle.net/1969.1/3223.

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The endocrine system, specifically relating to sex hormones, and genetic material can be targets of environmental contaminants. Environmental contaminants in the Rio Grande region may originate from industrial or agricultural processes and growing populations lacking proper water and sewage infrastructure. Cliff (Petrochelidon pyrrhonota) and cave (P. fulva) swallows breeding near the Rio Grande were selected to monitor aromatase activity alterations and DNA damage. Swallows were sampled at six sites along the Rio Grande from Brownsville to Laredo, and a reference site (Somerville) 350 miles n

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15

Nalapareddy, Padmavathi Devi [Verfasser]. "Role of bid in liver injury following BDL and CCl4-induced liver damage / Padmavathi Devi Nalapareddy." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover, 2010. http://d-nb.info/1004974523/34.

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16

Van, Niekerk Mark Harry. "Quantifying crop damage by Grey crowned crane balearica regulorum regulorum and evaluating changes in crane distribution in the North Eastern Cape, South Africa." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1005436.

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Complaints of crop damage by cranes on planted maize in the North Eastern Cape, South Africa, have been increasing since the mid-1990‘s, and in some instances severe losses have been reported. Crop damage by the Grey Crowned Crane Balearica regulorum regulorum near the town of Maclear (31º04´S 28º22´E), has been quantified over two growing seasons, and assessed relative to losses caused by foraging Cape Crows Corvus capensis and other feeding damage assumed to be caused by insects. Twelve fields were selected based on previous patterns of crop depredation. Maize seed in seven of the fields was

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17

Musquiz, Daniel. "Cave and cliff swallows as indicators of exposure and effects of environmental contaminants on birds from the Rio Grande, Texas." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1154.

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Abstract (sommario):

Cave (Petrochelidon fulva) and cliff swallows (Petrochelidon pyrrhonota) were collected along the Rio Grande and evaluated as potential indicators of environmental contamination. The Rio Grande receives toxic substances from agricultural, industrial, municipal, and non-point sources; consequently, high levels of contaminants have been detected in birds, mammals, fishes and sediments. Swallows were obtained from 8 sites between Brownsville and El Paso, as well as from a reference site in Burleson County, 320 miles north of the nearest site of the Rio Grande. Blood samples were analyzed by fl

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18

Jelinek, Anja Maria [Verfasser], and Carsten [Akademischer Betreuer] Culmsee. "A key role for BID-mediated mitochondrial damage in oxidative cell death / Anja Maria Jelinek ; Betreuer: Carsten Culmsee." Marburg : Philipps-Universität Marburg, 2018. http://d-nb.info/1153881500/34.

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19

Roset, i. Huguet Ramon. "Study of the regulation and signalling of cdk2-Cyclin o complexes during apoptosis." Doctoral thesis, Universitat Pompeu Fabra, 2008. http://hdl.handle.net/10803/7199.

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The aim of this thesis is the characterization of a protein involved in apoptosis. Our group has identified an early step common to different forms of intrinsic apoptosis stimuli. This step requires de novo synthesis of a novel Cyclin, Cyclin O, that upon apoptosis induction in lymphoid cells forms active complexes, primarily with Cdk2. Cyclin O expression precedes glucocorticoid and gamma radiation-induced apoptosis in vivo in mouse thymus and its overexpression induces apoptosis in cultured cells. Knocking down the endogenous expression of Cyclin O by shRNA leads to the inhibition of glucoco

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20

Fang, Yi-Ching, and 方薏菁. "Bird Communities and Bird Damage." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/21849976870182823247.

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碩士<br>國立嘉義大學<br>生物資源學系研究所<br>95<br>Rice is the most important crop with widest cultivated area in Taiwan. The rice fields in Chianan Plain often mixed with some artificial forests, non-tillage grasslands and other crops areas, etc. To understand whether there are any differences in the bird compositions between the rice field and edge, we set up 7 sites in the rice field near by different edge types, and 7 sites in the edge, including 3 woodland sites and 4 mixed sites with other crops and grasses. We investigated bird species and abundances with counting flocks and point count methods. The re

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21

Lee, Charles D. "Innovative techniques to control bird damage at feedlots." 1988. http://hdl.handle.net/2097/22299.

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22

Abraha, N. "The effect of some major genes on bird damage earliness and yield of pearl millet composite ICMV 155." Thesis, 1999. http://oar.icrisat.org/943/1/62571.pdf.

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23

Jiang, Fu-Jen, and 江富仁. "Effect of Bag Thickness and Color on the Control of Bird Damage and the Quality of Grape(Vitis vinifera ''Kyoho '') Fruits." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/05563980601760845578.

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碩士<br>國立中興大學<br>園藝學系所<br>105<br>Summary In Taiwan,Vitis vinifera ''Kyoho'',gained the popularity among Taiwanese for their rich fruit color, however, they are vulnerable when bird damage occur. People love grapes and birds as well. To solve the costly problem, we tried to improve the bags used for grape bagging to make them capable of preventing bird damage. We have tried four kinds of bags in the experiment; they are green double-layered bags, green single-layered bags, white double-layered bags and white single-layered bags. White single-layered bags are common bags used

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24

Saheed, Sefiu Adekilekun, Christiaan Edward Johannes Botha, Lin Liu, and Lisbeth Jonsson. "Comparison of structural damage caused by Russian wheat aphid (Diuraphis noxia Mordvilko) and Bird cherry-oat aphid (Rhopalosiphum padi L.) in a susceptible barley cultivar, Hordeum vulgare L. cv Clipper." 2007. http://hdl.handle.net/10962/d1005981.

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The Russian wheat aphid (RWA, (Diuraphis noxia Mordvilko) and the Bird cherry-oat aphid (BCA, (Rhopalosiphum padi L.) cause severe damage to grain crops, including barley. An investigation of the effects of these aphids on a susceptible cultivar revealed that BCA-infested barley plants remained healthy-looking for two weeks after feeding commenced. In contrast, signs of stress and damage, including chlorosis and leaf necrosis were evident in RWA infested plants. Our study suggests that damage to the vascular tissue due to sustained feeding by BCA, was not as extensive as that caused by RWA. In

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25

Hoogduijn, Martin J., Eduardo Cemeli, K. Ross, Diana Anderson, Anthony J. Thody, and John M. Wood. "Melanin protects melanocytes and keratinocytes against H2O2-induced DNA strand breaks through its ability to bind Ca2+." 2004. http://hdl.handle.net/10454/2311.

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NO<br>Reactive oxygen species (ROS) such as hydrogen peroxide (H2O2) are produced in the skin under the influence of UV radiation. These compounds are highly reactive and can induce DNA lesions in epidermal cells. Melanin is considered to protect human skin against DNA damage by absorbing UV radiation. We have investigated whether melanin can, in addition, offer protection against the effects of H2O2 in human melanocytes and HaCaT keratinocytes. In the present study, it was shown that 40 and 100 μM H2O2 increased the number of DNA strand breaks as measured using the comet assay, in melanocy

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26

Chen, Po-An, and 陳柏安. "The study of habitat utilization for granivorous birds and their impacts on the rice grain damage in a natural farming field at Wufeng District in Taichung City." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/67468u.

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碩士<br>國立中興大學<br>生命科學系所<br>106<br>Food safety issue has been a great concern recently. Therefore, non-toxic farming practices have been valued in agricultural fields. These types of farming enrich the feeding habitats for birds. However, it also brings some damage cost for the growers. In order to study the impact of the natural farming practice on the feeding habitats of the birds, we monitored the population size of bird species, community structure and percentage of rice spikes damage at a natural farming rice field at Wufeng District in Taichung City. The results indicated that granivorous

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