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Journal articles on the topic 'Bird damage'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Lindell, Catherine, Melissa Hannay, and Benjamin Hawes. "Bird Management in Blueberries and Grapes." Agronomy 8, no. 12 (2018): 295. http://dx.doi.org/10.3390/agronomy8120295.

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Bird damage to fruit is a long-standing challenge for growers that imposes significant costs because of yield losses and grower efforts to manage birds. We measured bird damage in ‘Bluecrop’ blueberry fields and Pinot noir vineyards in 2012–2014 in Michigan to investigate how year, grower, and forest cover influenced the proportions of bird damage. We tested whether inflatable tubemen (2013–2014) and a methyl anthranilate spray (2015) reduced bird damage in blueberries, and tested the deterrent effect of inflatable tubemen in grapes (2014). Years when crop yield was lower tended to have a high

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2

Honda, Takeshi. "Exploiting Scanning Behavior for Predators Can Reduce Rice Damage Caused by Birds." International Journal of Zoology 2015 (2015): 1–3. http://dx.doi.org/10.1155/2015/568494.

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Rice is often damaged by birds, especially sparrows, in Asia. Bird nets are sometimes used as countermeasures; however this approach is expensive and labor intensive. For this reason, farmers generally eschew bird nets, even though no alternative countermeasures are available. This study focused on exploiting the bird behavior of scanning for predators to reduce crop damage. When birds forage for seeds on the ground they often stop pecking and briefly raise their heads, apparently to scan for predators. Low visibility habitats increase scanning behavior and increased scanning behavior reduces

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3

Dolbeer, R. A., P. P. Woronecki, and R. A. Stehn. "Resistance of Sweet Corn to Damage by Blackbirds and Starlings." Journal of the American Society for Horticultural Science 111, no. 2 (1986): 306–11. http://dx.doi.org/10.21273/jashs.111.2.306.

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Abstract Twenty-five cultivars of sweet corn were evaluated for resistance to bird damage in an aviary during 1983 and 1984. A free-choice test was used in which red-winged blackbirds (Agelaius phoeniceus L.), common grackles (Quiscalus quiscula L.), and starlings (Sturnus vulgaris L.) could select from among 8 cultivars at a time. In addition, no-choice conditions in which red-wings were presented with only one cultivar at a time were tested. In the free choice test, there were significant differences among bird species and corn cultivars in the amount of damage. The most damaged cultivar had

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4

Coleman, J., and E. B. Spurr. "Farmer perceptions of bird damage and control in arable crops." New Zealand Plant Protection 54 (August 1, 2001): 184–87. http://dx.doi.org/10.30843/nzpp.2001.54.3719.

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One hundred arable farmers from across New Zealand were randomly selected and interviewed in summer 2000 to assess their perceptions of the nature and extent of bird damage to their crops the bird species involved the factors affecting the level of damage and the type and cost of any bird control undertaken Most farmers considered birds caused serious damage to their crops with wheat barley peas and some speciality seed crops such as brassicas borage and evening primrose most at risk Damage was rarely perceived to exceed 5 in cereals but was often higher in speciality crops It was most severe

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5

Mega, Fitri Ramadhani, and Priyambodo Swastiko. "Attacks of munia bird (Lonchura spp.) on rice crops and control carried out by farmers in Tigo Nagari, Pasaman, West Sumatra, Indonesia." World Journal of Advanced Research and Reviews 21, no. 1 (2024): 516–24. https://doi.org/10.5281/zenodo.13182633.

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The cultivation of rice crop could not be separated from the disturbance caused by plant pests, one of which is munia bird (<em>Lonchura </em>spp.) which eat grain. The objective of this research is to observe the types of munia bird and its population level, as well as the farmers' perceptions to the presence of munia birds, and the control methods that farmers apply. This research was conducted in the Tigo Nagari Sub-district, Pasaman District, West Sumatra Province, Indonesia to calculate the population and intensity of munia birds’ attacks through field observations. In addition

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6

Jun, Liu. "Dynamic Damage of Aircraft Wing Leading Edge Impacted by Birds." Applied Mechanics and Materials 385-386 (August 2013): 292–95. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.292.

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In order to verify the preliminary design of Aircraft Wing Leading Edge structures to bird impacting loads. The tests of bird impacting on Wing Leading Edge structure configurations were carried out using the relevant experimental facility. The impacting velocity was measured by laser velocity finder. The structure configuration was impacted by bird on three points and the whole process of dynamic deformation and damage on bird and Wing Leading Edge structure were recorded using high speed camera system. The test results showed that the leading edge slat was weak in anti-bird impacting and can

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7

Akinola, O.O. "Socio-Ecological Assessment of Bird Species in Akinyele Local Government Area, Ibadan, Oyo State." Continental J. Biological Sciences 11, no. 1 (2018): 1–8. https://doi.org/10.5281/zenodo.1283268.

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The study was based mainly on the socio-ecological assessment of bird species in Akinyele Local Government with reference to five villages. The study examined the location and the assessment of the bird species and the problem encountered in the area of damage done by the birds on agricultural produce. The villages chosen include Moniya, Onidundun. Akinyele, Ijaye and Isdigba. A total of 100 questionnaires were administered of which 20 questionnaires were distributed to each village, 88 were retrieved and analyzed using Descriptive statistical tools such as frequency court and simple percentag

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8

Wang, Siqi, Jinhui Li, Haidong Lin, Zhenhong Deng, Baoqiang Zhang, and Huageng Luo. "Multiple-Bird-Strike Probability Model and Dynamic Response of Engine Fan Blades." Aerospace 11, no. 6 (2024): 434. http://dx.doi.org/10.3390/aerospace11060434.

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Bird strikes pose one of the most significant threats to aviation safety, often leading to substantial loss of life and economic damage. Many bird strike incidents involve multiple birds. However, in previous bird strike studies, the problem of multiple bird strikes has often been neglected. In this paper, the bird slicing process of a rotating engine fan is examined, and a probability model is introduced to assess the risk of multiple impacts on the fan blades. In addition, this paper utilized an implicit–explicit calculation method. The parameters of blade root stress, tip displacement, plas

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9

Crisostomo, J. M., D. B. Estano, B. M. Shepard, and J. Olvida. "Efficacy of Nets to Prevent Bird Damage to Rice." International Rice Research Newsletter 11, no. 4 (1986): 40–41. https://doi.org/10.5281/zenodo.7121965.

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This article 'Efficacy of Nets to Prevent Bird Damage to Rice' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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10

M T, Ranjith, Dr Mani Chellappan, Dr Vipin Chaudhary, and Sreejeshnath K A. "Bird Pests: Damage and Ecofriendly Management." Annals of Arid Zone 62, no. 4 (2023): 361–72. http://dx.doi.org/10.59512/aaz.2023.62.4.11.

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11

Wang, Jinfeng, and Edwin E. Herricks. "Risk Assessment of Bird–Aircraft Strikes at Commercial Airports." Transportation Research Record: Journal of the Transportation Research Board 2266, no. 1 (2012): 78–84. http://dx.doi.org/10.3141/2266-09.

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Bird strikes are a continuing problem in aviation. Despite the number and severity of reported bird strikes, quantification of the effect of contributory factors has been limited because of the absence of data, especially data on bird activity around airfields. The purpose of this study is to provide initial insight into this important problem by combining a number of databases and information resources available at the Seattle–Tacoma International Airport in Washington, including airplane operations, bird strike reports, and the avian radar data on bird movements. Logistic regression and mult

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12

Abadi, Assefa, Abrhaley Shelema, and Tsehaye Brhane. "Occasional Occurrences and Distributions of Red Billed Quelea (Quelea quelea) Birds on Cultivating Crops during the Belg Season at Raya Azebo District of Tigray, Ethiopia." Asian Journal of Research in Crop Science 9, no. 4 (2024): 7–16. http://dx.doi.org/10.9734/ajrcs/2024/v9i4294.

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The Belg season plays a crucial role in the agricultural calendar of the Raya District, particularly due to the shortage of rainfall during the summer season. This seasonal pattern of rainfall scarcity necessitates the significance of the Belg season for agricultural activities in this region. Aim of the study was to assess the Quelea bird incidence and its association agronomic practice and environmental factors. Field survey was conducted in Raya-azebo district during 2024 Belg season. A total of 49 farmers field were assessed for the incidence and prevalence of the quelea bird. Result indic

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13

Peisley, Rebecca K., Manu E. Saunders, and Gary W. Luck. "Cost-benefit trade-offs of bird activity in apple orchards." PeerJ 4 (June 30, 2016): e2179. http://dx.doi.org/10.7717/peerj.2179.

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Birds active in apple orchards in south–eastern Australia can contribute positively (e.g., control crop pests) or negatively (e.g., crop damage) to crop yields. Our study is the first to identify net outcomes of these activities, using six apple orchards, varying in management intensity, in south–eastern Australia as a study system. We also conducted a predation experiment using real and artificial codling moth (Cydia pomonella) larvae (a major pest in apple crops). We found that: (1) excluding birds from branches of apple trees resulted in an average of 12.8% more apples damaged by insects; (

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14

Zafante, Matthew, and Steve Hampton. "LOST BIRD-YEARS: QUANTIFYING BIRD INJURIES IN NATURAL RESOURCE DAMAGE ASSESSMENTS FOR OIL SPILLS1." International Oil Spill Conference Proceedings 2005, no. 1 (2005): 1019–23. http://dx.doi.org/10.7901/2169-3358-2005-1-1019.

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ABSTRACT Large oil spills routinely impact hundreds or even thousands of birds. In order to determine the compensation that responsible parties owe the public, trustee agencies typically examine the number of live and dead birds collected to estimate total bird mortality caused by the spill (Ford et al., 1987). In these natural resource damage assessments (NRDA), compensation is typically based upon the potential ecological benefits that flow from a restoration project. In the case of a bird kill, final compensation is based upon the cost of implementing a restoration project and not upon a do

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15

Seprido, Desta Andriani, Febra Heriansyah, and Andi Alatas. "The influence of bird pest attack on rice damage and production in Kuantan Singingi." BIO Web of Conferences 99 (2024): 03003. http://dx.doi.org/10.1051/bioconf/20249903003.

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Birds pest in rice field activities are one of the important pest that attack. It has even caused 161,4 ha of crop loss and 124.05 ha of heavy damage in Riau. This neet to be handled and managed properly. This study was initiated by identifying the types and effects of bird pest attacks on the damage and productionof rice crops in Kuantan Singingi. This study was used a survey method by making plots (10x10 m), bird pests species and populations by using a point transect. Observations were carried out in the morning, afternoon and evening. Bird species identification refers to the MacKinnon Bir

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16

Daugovish, Oleg, and Michi Yamomoto. "(112) Bird Control in Production Strawberries with Falconry." HortScience 41, no. 4 (2006): 1047C—1047. http://dx.doi.org/10.21273/hortsci.41.4.1047c.

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California leads national strawberry fruit production with annual value in Ventura County alone near $300 million. Bird damage to fruit routinely accounts for 3–5% losses and may exceed 50% in some fields. Conventional bird control tools have limited or no effect on fruit damage and may contribute to noise pollution. A four-site study at Oxnard, Calif., from Jan. to Apr. 2005 (highest value fresh market season) showed that release of Peregrine, Saker, or Barbary falcons in combination with helium balloon launching (site 4) in response to fruit damage reduced fruit damage from 80–90% to 15–20%

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17

Mohamed, M. A., M. Wilson, and W. F. Soliman. "Bird damage assessment and evaluation of mechanical approaches to protect crops from birds." Egyptian Journal of Plant Protection Research Institute 8, no. 1 (2025): 41–49. https://doi.org/10.4314/ejppri.v8i1.6.

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Birds causing crop damage led to an economic problem in Egypt's agricultural. Therefore, this work aimed to determine the damage in some crops, such as wheat, barley, broad bean, sunflower, grapes, and tomato in the fields of Yousef El-Sedik, Fayoum Governorate. Moreover, some mechanical approaches (Fish net, and reflecting stripes) were evaluated. The results revealed that the birds attacked all the ripening stages of the plants except tomato and grapes, they were only damaged in the mature stage. Also, broad beans were damaged in the milky and dough stages, but there was no damage in the mat

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18

Hedenström, Anders. "Effects of wing damage and moult gaps on vertebrate flight performance." Journal of Experimental Biology 226, no. 9 (2023): jeb227355. https://doi.org/10.5281/zenodo.13456430.

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(Uploaded by Plazi for the Bat Literature Project) Vertebrates capable of powered flight rely on wings, muscles that drive their flapping and sensory inputs to the brain allowing for control of the motor output. In birds, the wings are formed of arrangements of adjacent flight feathers (remiges), whereas the wings of bats consist of double-layered skin membrane stretched out between the forelimb skeleton, body and legs. Bird feathers become worn from use and brittle from UV exposure, which leads to loss of function; to compensate, they are renewed (moulted) at regular intervals. Bird feathers

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19

Hedenström, Anders. "Effects of wing damage and moult gaps on vertebrate flight performance." Journal of Experimental Biology 226, no. 9 (2023): jeb227355. https://doi.org/10.5281/zenodo.13456430.

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(Uploaded by Plazi for the Bat Literature Project) Vertebrates capable of powered flight rely on wings, muscles that drive their flapping and sensory inputs to the brain allowing for control of the motor output. In birds, the wings are formed of arrangements of adjacent flight feathers (remiges), whereas the wings of bats consist of double-layered skin membrane stretched out between the forelimb skeleton, body and legs. Bird feathers become worn from use and brittle from UV exposure, which leads to loss of function; to compensate, they are renewed (moulted) at regular intervals. Bird feathers

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20

Hedenström, Anders. "Effects of wing damage and moult gaps on vertebrate flight performance." Journal of Experimental Biology 226, no. 9 (2023): jeb227355. https://doi.org/10.5281/zenodo.13456430.

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(Uploaded by Plazi for the Bat Literature Project) Vertebrates capable of powered flight rely on wings, muscles that drive their flapping and sensory inputs to the brain allowing for control of the motor output. In birds, the wings are formed of arrangements of adjacent flight feathers (remiges), whereas the wings of bats consist of double-layered skin membrane stretched out between the forelimb skeleton, body and legs. Bird feathers become worn from use and brittle from UV exposure, which leads to loss of function; to compensate, they are renewed (moulted) at regular intervals. Bird feathers

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21

Hedenström, Anders. "Effects of wing damage and moult gaps on vertebrate flight performance." Journal of Experimental Biology 226, no. 9 (2023): jeb227355. https://doi.org/10.5281/zenodo.13456430.

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(Uploaded by Plazi for the Bat Literature Project) Vertebrates capable of powered flight rely on wings, muscles that drive their flapping and sensory inputs to the brain allowing for control of the motor output. In birds, the wings are formed of arrangements of adjacent flight feathers (remiges), whereas the wings of bats consist of double-layered skin membrane stretched out between the forelimb skeleton, body and legs. Bird feathers become worn from use and brittle from UV exposure, which leads to loss of function; to compensate, they are renewed (moulted) at regular intervals. Bird feathers

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22

Hedenström, Anders. "Effects of wing damage and moult gaps on vertebrate flight performance." Journal of Experimental Biology 226, no. 9 (2023): jeb227355. https://doi.org/10.5281/zenodo.13456430.

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(Uploaded by Plazi for the Bat Literature Project) Vertebrates capable of powered flight rely on wings, muscles that drive their flapping and sensory inputs to the brain allowing for control of the motor output. In birds, the wings are formed of arrangements of adjacent flight feathers (remiges), whereas the wings of bats consist of double-layered skin membrane stretched out between the forelimb skeleton, body and legs. Bird feathers become worn from use and brittle from UV exposure, which leads to loss of function; to compensate, they are renewed (moulted) at regular intervals. Bird feathers

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23

Curtis, Paul D., Ian A. Merwin, Marvin P. Pritts, and David V. Peterson. "Chemical Repellents and Plastic Netting for Reducing Bird Damage to Sweet Cherries, Blueberries, and Grapes." HortScience 29, no. 10 (1994): 1151–55. http://dx.doi.org/10.21273/hortsci.29.10.1151.

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We conducted 3 years of field tests comparing two chemicals [methyl anthranilate (MA, a natural compound used as a flavor additive) and Keyplex-350 (a proprietary micronutrient formulation)] that were reported to repel birds to exclusionary plastic netting and nontreated plots. Cumulative fruit damage from birds was monitored on sweet and tart cherry (Prunus avium L. and P. cerasus L.), blueberry (Vaccinium corymbosum L.), and wine grapes (Vitis vinifera × labrusca). Initial MA formulations caused injury to fruit and foliage. Two modified MA formulations with microencapsulation and photooxidat

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24

Mega Fitri Ramadhani and Swastiko Priyambodo. "Attacks of munia bird (Lonchura spp.) on rice crops and control carried out by farmers in Tigo Nagari, Pasaman, West Sumatra, Indonesia." World Journal of Advanced Research and Reviews 21, no. 1 (2024): 516–24. http://dx.doi.org/10.30574/wjarr.2024.21.1.2654.

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The cultivation of rice crop could not be separated from the disturbance caused by plant pests, one of which is munia bird (Lonchura spp.) which eat grain. The objective of this research is to observe the types of munia bird and its population level, as well as the farmers' perceptions to the presence of munia birds, and the control methods that farmers apply. This research was conducted in the Tigo Nagari Sub-district, Pasaman District, West Sumatra Province, Indonesia to calculate the population and intensity of munia birds’ attacks through field observations. In addition, find out farmers'

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25

Markovic, Maja, and Ksenija Palic. "Natural enemies of fish as cause of economic losses in fish ponds." Veterinarski glasnik 60, no. 5-6 (2006): 417–21. http://dx.doi.org/10.2298/vetgl0606417m.

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The presence of natural enemies of fish can result in huge economic damage to fish ponds. Direct damages result from the fact that ichthyophagous bird species are capable of eating large quantities of fish in a short time interval, or can cause mechanical injuries to fish which later on become ideal places for the development of secondary infections. In the surviving fish, depending on the depth of the lesions, the healing process takes place either by regeneration or substitution. More serious, bigger damaged areas heal with a scar that can lead to the deforming of parts of the body, and cons

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26

Huang, Qing, Meng Tian, and Ziyang Chen. "Deep Learning-based Detection of Bird’s Nests on Power Transmission Towers." Journal of Physics: Conference Series 2774, no. 1 (2024): 012046. http://dx.doi.org/10.1088/1742-6596/2774/1/012046.

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Abstract The problem of birds building nests on high-altitude towers has posed a significant hidden danger to the safe operation of long-distance transmission lines. The current manual inspection method is inefficient and costly, while automatic inspection technology still faces challenges in accuracy and efficiency. This article mainly aims to propose a deep learning target detection algorithm YOLOV3 based on convolutional neural networks to monitor and retrieve bird damage faults on power towers. By constructing a large dataset of bird nests on power towers, deep learning training models are

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27

Salama, M. A., M. I. Aamir, A. A. G. Farag, M. A. Issa, and M. A. Hendawy. "Estimating the Damage of Birds to Wheat, Gurma Melon and Cowpea Crops During the Ripening Period at Sharkia Governorate, Egypt." Arab Journal for Plant Protection 42, no. 4 (2024): 552–57. https://doi.org/10.22268/ajpp-001281.

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Salama, M.A., M.I. Aamir, A.A. Gh. Farag, M.A. Issa and M.A. Hendawy. 2024. Estimating the Damage of Birds to Wheat, Gurma Melon and Cowpea Crops During the Ripening Period at Sharkia Governorate, Egypt. Arab Journal of Plant Protection, 42(4): 552-557. https://doi.org/10.22268/AJPP-001281 The damage caused by birds to wheat crop is increasing during the ripening stage. The house sparrow, Passer domesticus niloticus is the main bird pest that attacks wheat spikes during the ripening stage (milk, dough, and mature levels) during 2020 and 2021 seasons. The 6th week of the ripening period suffere

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28

Salahuddin, M. A. A., I. S. Rohayani, and D. A. Candri. "Species diversity of birds as bioindicators for mangroves damage at Special Economic Zones (SEZ) Mandalika in Central of Lombok, Indonesia." IOP Conference Series: Earth and Environmental Science 913, no. 1 (2021): 012058. http://dx.doi.org/10.1088/1755-1315/913/1/012058.

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Abstract The Mandalika Special Economic Zone (SEZ) was designated as a tourist area in 2015. The development of the Mandalika area directly impacts the sustainability, diversity of species, especially birds that make mangroves their habitat. The study aims to investigate the value of bird species diversity in mangrove habitats as bioindicators. Furthermore, the research has been carried out for three months, from March to May 2021. Research data collection uses the roaming method, and data analysis uses bird community structure analysis (Diversity Index). In this study, 33 species of birds wer

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Yamaguchi, Yasuhiro, Hoshiko Yoshida, Masayuki Saito, and Midori Saeki. "Bird damage to sunflower harvest." Japanese Journal of Ornithology 61, no. 1 (2012): 124–29. http://dx.doi.org/10.3838/jjo.61.124.

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Luck, Gary W., Shannon Triplett, and Peter G. Spooner. "Bird use of almond plantations: implications for conservation and production." Wildlife Research 40, no. 6 (2013): 523. http://dx.doi.org/10.1071/wr13079.

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Context Farmland crops may suffer damage from native animals, but also provide a critical resource during times of food scarcity. We know little about bird use of almond crops. Aims To examine factors influencing temporal and spatial variation in the use of almond crops in north-western Victoria by bird species, including the threatened regent parrot (Polytelis anthopeplus), and to record levels of crop damage. Methods We measured bird occurrence in 15 transects during the almond-growing season of 2009/10, and 32 transects during 2010/11. Crop-damage assessments were conducted in 2010/11. Spat

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Mao, Weiyun, Chen Shen, Rong Xiao, et al. "Analysis and Research on the Relationship Between Bird Related Faults in Transmission Lines and Bird Activity Patterns." E3S Web of Conferences 617 (2025): 01006. https://doi.org/10.1051/e3sconf/202561701006.

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With the implementation of national greening policies, bird related faults in transmission lines have become increasingly serious, and have become the third largest transmission line fault problem after lightning strikes and external damage. In previous studies on electric birds, strong stimuli such as electricity, sound, and light were mostly used for bird prevention, and there was a lack of research on the relationship between bird activity patterns and line fault data. This study is based on public collection of bird watching data and compares the situation of power facility failures in Sha

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Bhusal, Santosh, Kapil Khanal, Shivam Goel, Manoj Karkee, and Matthew Edmund Taylor. "Bird Deterrence in a Vineyard Using an Unmanned Aerial System (UAS)." Transactions of the ASABE 62, no. 2 (2019): 561–69. http://dx.doi.org/10.13031/trans.12923.

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Abstract. Washington State growers lose more than $80 million annually to bird damage in fruit crops such as cherries, grapes, Honeycrisp apples, and blueberries. Conventional bird deterrence techniques, such as netting, auditory devices, visual devices, chemical application, falconry, and shooting, are either costly, ineffective, or harmful to birds. At the same time, unmanned aerial systems (UAS) have become popular in military, civilian, and agricultural applications due to decreasing cost, good maneuverability, and their ability to perform multiple types of missions. This article presents

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Shnayder, Elena P. "Electrocutions of Bids on Power Lines in the Altai Kray (Russia) in 2021." Raptors Conservation, no. 43 (December 31, 2021): 42–68. http://dx.doi.org/10.19074/1814-8654-2021-43-42-68.

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In September 2021, 126 km of 6-10 kV power lines were surveyed in Altai Kray, Russia. The survey encompassed different types of habitat from pine forests to the foothills of Altai mountains. Out of 126 km, 27.94 km of power lines were equipped with bird-protection devices to prevent bird death from electrocution. We uncovered 515 cases of bird death on unsafe lines. Raptors make 21% and endangered species – 1.94%. The density of dead birds was equal to 5.6 ind./km of non-safe power lines, and of raptors – 1.18 ind./km. The observed damage to the ecosystem was estimated as 6.1 million of Rub (e

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Mezquida, Eduardo T., and José Miguel Olano. "Spatial and Temporal Variation in the Antagonistic and Mutualistic Interactions among Seed Predator Arthropods, Seed-Dispersing Birds, and the Spanish Juniper." Insects 15, no. 8 (2024): 620. http://dx.doi.org/10.3390/insects15080620.

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Plants interact with both antagonistic and mutualistic animals during reproduction, with the outcomes of these interactions significantly influencing plant reproductive success, population dynamics, and the evolution of plant traits. Here, we investigated the spatial and temporal variations in the interactions between Juniperus thurifera, its seed-dispersing birds, and three specific arthropod species that attack the fleshy cones during the predispersal period. We assessed how plant traits affect levels of cone damage by arthropods and seed dispersal by birds, the occurrence of competition amo

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Shnayder, Elena P., Elvira G. Nikolenko, and Igor V. Karyakin. "Electrocutions of Bids on Power Lines in the Khakassia Republic, Russia, in 2020." Raptors Conservation, no. 41 (2020): 26–63. http://dx.doi.org/10.19074/1814-8654-2020-41-26-63.

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The article represents results of inspection of power lines for bird casualty in the Minusinsk Hollow, Khakassia, Russia in 2020. Previous inspection was done in the region in 2011 thus our work reveals changes in bird casualty over the last 10 years. The bird mortality on power lines of medium voltage remains remarkably high – mean value for the breeding season is 8.21 ind. per 1 km of line. The most dangerous lines are the ones on concrete poles with pin insulators located in open habitats away from human settlements. Lines of this type attract vast abundance of birds with high species diver

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Saakian, Alexander. "Theoretical aspects of calculating the main design parameters of an electric bird repeller." АгроЭкоИнфо 5, no. 47 (2021): 8. http://dx.doi.org/10.51419/20215508.

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The problem of scaring birds, which has turned into a problem of protecting economic objects from biological damage caused by birds, was born in ancient times and remains relevant to this day. Elevators, fishing and animal husbandry facilities, and other agricultural structures have become the favorite habitats of synanthropic birds. The first ones cause irreparable economic damage to agriculture, destroying, in particular, crops in fields and gardens. One of the solutions to this problem, which became the goal of this work, is to increase the efficiency of protecting agricultural facilities f

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Van Bael, Sunshine A., Peter Bichier, and Russell Greenberg. "Bird predation on insects reduces damage to the foliage of cocoa trees (Theobroma cacao) in western Panama." Journal of Tropical Ecology 23, no. 6 (2007): 715–19. http://dx.doi.org/10.1017/s0266467407004440.

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In the Neotropics, crops that are grown in agroforestry systems with shade trees support high levels of bird diversity compared with crops grown without shade (Estrada & Coates-Estrada 2005, Faria et al. 2006). Several experiments in shaded coffee farms have explored how insectivorous birds reduce herbivore numbers and their damage to plants and have simultaneously approached ecological questions that are applied (e.g. biological control) and basic (e.g. tri-trophic interactions) (Borkhataria et al. 2006, Greenberg et al., Perfecto et al. 2004). Here we used exclosures to test whether bird

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Metz, Isabel, Thorsten Mühlhausen, Joost Ellerbroek, et al. "Simulation Model to Calculate Bird-Aircraft Collisions and Near Misses in the Airport Vicinity." Aerospace 5, no. 4 (2018): 112. http://dx.doi.org/10.3390/aerospace5040112.

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Annually, thousands of birds collide with aircraft. The impact usually has lethal consequences for the bird, the involved aircraft can experience severe damage. The highest bird strike risk occurs at low altitudes. Therefore, aircraft within the airport area as well as the adjacent approach and departure corridors are especially vulnerable to collisions with birds. To analyse risk-reducing measures in these areas, a fast-time bird strike simulation environment was developed. An open-source Air Traffic Management simulator was enhanced with a model to represent bird movements and to recognize b

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Ardia Chandra, Putu Wisnu, Rakha Racahyo, Sunardi Sunardi, M. Indra Martadinata, and Yayuk Suprihartini. "MICROCONTROLLER-BASED BIRD REPELLENT DEVICE AT THE AIRPORT: DESIGN, SENSOR, AND POWER SUPPLY." Journal of Airport Engineering Technology (JAET) 5, no. 2 (2025): 135–49. https://doi.org/10.52989/jaet.v5i2.205.

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The development of electronic technology as a control system has progressed rapidly in the era of society 5.0. Various facilities at the airport have implemented microcontrollers, especially bird repellent devices, to realize the concept of a smart airport. Bird repellent devices are designed to automatically and efficiently repel birds. This is because birds pose a threat to increasing the risk of bird strikes, which can cause damage to aircraft engines and trigger flight accidents. When designing bird repellent devices, researchers must consider the design, sensors, and power supply to enhan

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Honda, Takeshi, Jun-ichi Tsuboi, and Hiroshi Kuwata. "Seeing Is Feeding for the Frugivorous Bird Brown-Eared Bulbul (Microscelis amaurotis)." International Journal of Zoology 2015 (2015): 1–5. http://dx.doi.org/10.1155/2015/869820.

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We examined feeding behavior by visually blocking fruit to establish a new theory of bird damage management for agricultural practices. Partly or fully invisible clusters of grapes were fixed on a perch. The birds selectively pecked the clearly visible part of the half-visible bag at a pecking count rate of 0.94–1.00 (95% CI). Half-visible bags allowed the birds to look inside like a skirt and detect the initially hidden portions of grapes, which were covered with opaque white bags. However, very few birds pecked at the white bags that were partially covering the grapes. That is, very few bird

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Veselovský, Tomáš, Boris Maderič, Jozef Chavko, and Ján Svetlík. "Bird crime and the assessment of risk areas in Slovakia." Raptor Journal 18, no. 1 (2024): 63–75. http://dx.doi.org/10.2478/srj-2024-0007.

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Abstract Bird crime is a serious problem in many countries around the world. This study focuses on the situation in Slovakia, summarising data on bird crime in the country between 2016 and 2022. Over the course of that period, 92 cases were recorded in 27 districts involving 33 animal species. At least 249 protected birds and 78 mammals fell victim to illegal activities, and 61 poisoned baits were discovered. Social value is the monetary value which state institutions use to quantify the damage incurred to wildlife. Slovak law determines whether an illegal act is an offence or a criminal act b

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Michel, Nicole L., Thomas W. Sherry, and Walter P. Carson. "The omnivorous collared peccary negates an insectivore-generated trophic cascade in Costa Rican wet tropical forest understorey." Journal of Tropical Ecology 30, no. 1 (2013): 1–11. http://dx.doi.org/10.1017/s0266467413000709.

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Abstract:Insectivorous birds and bats often protect plants through density- and trait-mediated cascades, but the degree to which insectivores reduce herbivorous arthropods and leaf damage varies among systems. Top-down interaction strength may be influenced by the biotic and abiotic context, including the presence of vegetation-disturbing animals. We tested two hypotheses: (1) insectivorous birds and bats initiate trophic cascades in tropical rain-forest understorey; and (2) the native, omnivorous collared peccary (Pecari tajacu) negates these cascades via non-trophic effects. We studied the t

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Michel, Nicole L., Thomas W. Sherry, and Walter P. Carson. "The omnivorous collared peccary negates an insectivore-generated trophic cascade in Costa Rican wet tropical forest understorey." Journal of Tropical Ecology 30, no. 1 (2014): 1–11. https://doi.org/10.5281/zenodo.13441862.

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(Uploaded by Plazi for the Bat Literature Project) Insectivorous birds and bats often protect plants through density- and trait-mediated cascades, but the degree to which insectivores reduce herbivorous arthropods and leaf damage varies among systems. Top-down interaction strength may be influenced by the biotic and abiotic context, including the presence of vegetation-disturbing animals. We tested two hypotheses: (1) insectivorous birds and bats initiate trophic cascades in tropical rain-forest understorey; and (2) the native, omnivorous collared peccary (Pecari tajacu) negates these cascades

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Michel, Nicole L., Thomas W. Sherry, and Walter P. Carson. "The omnivorous collared peccary negates an insectivore-generated trophic cascade in Costa Rican wet tropical forest understorey." Journal of Tropical Ecology 30, no. 1 (2014): 1–11. https://doi.org/10.5281/zenodo.13441862.

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(Uploaded by Plazi for the Bat Literature Project) Insectivorous birds and bats often protect plants through density- and trait-mediated cascades, but the degree to which insectivores reduce herbivorous arthropods and leaf damage varies among systems. Top-down interaction strength may be influenced by the biotic and abiotic context, including the presence of vegetation-disturbing animals. We tested two hypotheses: (1) insectivorous birds and bats initiate trophic cascades in tropical rain-forest understorey; and (2) the native, omnivorous collared peccary (Pecari tajacu) negates these cascades

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45

Michel, Nicole L., Thomas W. Sherry, and Walter P. Carson. "The omnivorous collared peccary negates an insectivore-generated trophic cascade in Costa Rican wet tropical forest understorey." Journal of Tropical Ecology 30, no. 1 (2014): 1–11. https://doi.org/10.5281/zenodo.13441862.

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(Uploaded by Plazi for the Bat Literature Project) Insectivorous birds and bats often protect plants through density- and trait-mediated cascades, but the degree to which insectivores reduce herbivorous arthropods and leaf damage varies among systems. Top-down interaction strength may be influenced by the biotic and abiotic context, including the presence of vegetation-disturbing animals. We tested two hypotheses: (1) insectivorous birds and bats initiate trophic cascades in tropical rain-forest understorey; and (2) the native, omnivorous collared peccary (Pecari tajacu) negates these cascades

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46

Michel, Nicole L., Thomas W. Sherry, and Walter P. Carson. "The omnivorous collared peccary negates an insectivore-generated trophic cascade in Costa Rican wet tropical forest understorey." Journal of Tropical Ecology 30, no. 1 (2014): 1–11. https://doi.org/10.5281/zenodo.13441862.

Full text

Abstract:

(Uploaded by Plazi for the Bat Literature Project) Insectivorous birds and bats often protect plants through density- and trait-mediated cascades, but the degree to which insectivores reduce herbivorous arthropods and leaf damage varies among systems. Top-down interaction strength may be influenced by the biotic and abiotic context, including the presence of vegetation-disturbing animals. We tested two hypotheses: (1) insectivorous birds and bats initiate trophic cascades in tropical rain-forest understorey; and (2) the native, omnivorous collared peccary (Pecari tajacu) negates these cascades

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47

Michel, Nicole L., Thomas W. Sherry, and Walter P. Carson. "The omnivorous collared peccary negates an insectivore-generated trophic cascade in Costa Rican wet tropical forest understorey." Journal of Tropical Ecology 30, no. 1 (2014): 1–11. https://doi.org/10.5281/zenodo.13441862.

Full text

Abstract:

(Uploaded by Plazi for the Bat Literature Project) Insectivorous birds and bats often protect plants through density- and trait-mediated cascades, but the degree to which insectivores reduce herbivorous arthropods and leaf damage varies among systems. Top-down interaction strength may be influenced by the biotic and abiotic context, including the presence of vegetation-disturbing animals. We tested two hypotheses: (1) insectivorous birds and bats initiate trophic cascades in tropical rain-forest understorey; and (2) the native, omnivorous collared peccary (Pecari tajacu) negates these cascades

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Mohammed, I. G., M. Bashiru, S. T. Gbadeyan, et al. "Evaluation of AV-5055 as Seed Dresser in Lowland Rice Production." BADEGGI JOURNAL OF AGRICULTURAL RESEARCH AND ENVIRONMENT 3, no. 3 (2021): 75–79. http://dx.doi.org/10.35849/bjare202103017.

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This experiment was established in 2020 cropping season at National Cereals Research Institute experimental field at Badeggi in Guinea Savannah agro-ecological Zone, (Latitude 9 040 Longitude 6 070 E), to assess seed dressing effect of AV-5055 on rice seed. The experiment was laid out in Randomized Complete Block Designs (RCBD), replicated three times. It consisted of four (4) treatments: application of AV-5055 rate at 0.7L, 1.2L, 1.7L per 100kg of rice seed and no application of chemical as (control). Data was taken on plant height, tiller count, days to 50% flowering, bird damage, rodent dam

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Peisley, Rebecca K., Manu E. Saunders, and Gary W. Luck. "Providing perches for predatory and aggressive birds appears to reduce the negative impact of frugivorous birds in vineyards." Wildlife Research 44, no. 4 (2017): 334. http://dx.doi.org/10.1071/wr17028.

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Context Birds active in vineyards in south-eastern Australia can reduce or enhance crop yields via their foraging activities (e.g. by consuming grapes or by preying on grape-eating species). Aims We examined the effectiveness of artificial perches in encouraging predatory birds into vineyards to scare frugivorous birds and consequently reduce the damage they cause to grapes. Methods We monitored 12 artificial perches for 4 months during the growing season, spread over six vineyards in north-eastern Victoria, and compared bird damage to grapes at these sites with control sites without perches.

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Metz, Isabel C., Joost Ellerbroek, Thorsten Mühlhausen, Dirk Kügler, and Jacco M. Hoekstra. "Analysis of Risk-Based Operational Bird Strike Prevention." Aerospace 8, no. 2 (2021): 32. http://dx.doi.org/10.3390/aerospace8020032.

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Bird strike prevention in civil aviation has traditionally focused on the airport perimeter. Since the risk of especially damaging bird strikes outside the airport boundaries is rising, this paper investigates the safety potential of operational bird strike prevention involving pilots and controllers. In such a concept, controllers would be equipped with a bird strike advisory system, allowing them to delay departures which are most vulnerable to the consequences of bird strikes in case of high bird strike risk. An initial study has shown the strong potential of the concept to prevent bird str

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