An Evaluation of the Effect of Bird Strikes on Flight Safety Operations at International Airport

Dukiya, J. J.; Gahlot, Vimal

doi:10.7708/ijtte.2013.3(1).02

Cited by 10 publications

(10 citation statements)

References 2 publications

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“…The most vulnerable bird species to aircraft collisions noted by the USAF included raptors, waterfowl, and passerines (Lovell and Dolbeer 1999;Zakrajsek and Bissonette 2005). For all bird-aircraft collisions, it has been estimated that roughly 69% take place below 305 m of altitude, which makes birds especially vulnerable to low-flight training exercises (Lovell and Dolbeer 1999;Civil Aviation Authority 2001;Zakrajsek and Bissonette 2005;Dukiya and Gahlot 2013). Because of the high risk of bird-aircraft collisions, special measures have been taken at airstrips to reduce bird strike hazards.…”

Section: Training Activitiesmentioning

confidence: 99%

The effects of modern war and military activities on biodiversity and the environment

et al. 2015

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Abstract:War is an ever-present force that has the potential to alter the biosphere. Here we review the potential consequences of modern war and military activities on ecosystem structure and function. We focus on the effects of direct conflict, nuclear weapons, military training, and military produced contaminants. Overall, the aforementioned activities were found to have overwhelmingly negative effects on ecosystem structure and function. Dramatic habitat alteration, environmental pollution, and disturbance contributed to population declines and biodiversity losses arising from both acute and chronic effects in both terrestrial and aquatic systems. In some instances, even in the face of massive alterations to ecosystem structure, recovery was possible. Interestingly, military activity was beneficial under specific conditions, such as when an exclusion zone was generated that generally resulted in population increases and (or) population recovery; an observation noted in both terrestrial and aquatic systems. Additionally, military technological advances (e.g., GPS technology, drone technology, biotelemetry) have provided conservation scientists with novel tools for research. Because of the challenges associated with conducting research in areas with military activities (e.g., restricted access, hazardous conditions), information pertaining to military impacts on the environment are relatively scarce and are often studied years after military activities have ceased and with no knowledge of baseline conditions. Additional research would help to elucidate the environmental consequences (positive and negative) and thus reveal opportunities for mitigating negative effects while informing the development of optimal strategies for rehabilitation and recovery.Key words: war, biodiversity, ecosystem structure, conflict, military activities, environment, conservation biology.Résumé : La guerre est une force omniprésente ayant le potentiel d'altérer l'atmosphère. Les auteurs passent en revue les conséquences potentielles des activités guerrières et militaires modernes sur la structure et le fonctionnement des écosystèmes. On met l'accent sur les effets directs et indirects des conflits, des armes nucléaires, des entrainements militaires et des contaminants des produits militaires. Dans l'ensemble, on constate que les activités préalablement mentionnées ont des effets négatifs écrasants sur la structure et le fonctionnement des écosystèmes. Avec des altérations dramatiques des habitats, la pollution et les perturbations environnementales contribuent au déclin des populations et aux pertes de biodiversité provenant des effets aigus et chroniques sur les systèmes terrestres aussi bien qu'aquatiques. Tout de même dans certains cas, en présence d'altérations massives de la structure des écosystèmes, la récupération s'est avérée possible. Il est intéressant de noter qu'une activité militaire fut bénéfique sous des conditions spécifiques telles que la création d'une zone d'exclusion, en générant des augmentations générales des p...

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Section: Training Activitiesmentioning

confidence: 99%

The effects of modern war and military activities on biodiversity and the environment

et al. 2015

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“…La ubicación geográfica del Aeropuerto Jorge Chávez, el aumento del tráfico aéreo y si el hombre continúa invadiendo el hábitat natural, continuarán agravándose los problemas de colisión de aves (Dukija & Gahlot, 2013). Coragyps atratus comienza con un periodo de actividad bajo en la franja horaria de 7:00-8:00 h con 36 individuos, este número fue incrementándose hasta llegar a una abundancia máxima de 371 individuos registrados entre las 9:00-10:00 h luego disminuye paulatinamente hacia las 14:00-15:00 h con 59 individuos registrados en dicha franja horaria.…”

Section: Resultados Y Discusiónunclassified

Distribución Espacial Y Temporal De Avifauna en El Aeropuerto Internacional Jorge Chávez, Callao-Perú

Cruzado¹,

Alberto²

2019

Biotempo

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Alrededor de los aeropuertos se encuentran condiciones externas que resultan ser atrayentes para las aves las cuales incluyen: humedales, pastizales, sembríos, manglares, desmontes de residuos orgánicos provenientes de actividades antrópicas, además las pistas de rodaje para las aeronaves son foco de tránsito permanente de aves. El aeropuerto Internacional Jorge Chávez (AIJCh) ubicado en Lima, Perú presenta muchos de los factores mencionados por lo que la evaluación de la fauna aviar es necesaria. El objetivo de este trabajo es realizar la evaluación espacial y temporal mediante censos por punto de conteo durante noviembre del 2015 hasta julio 2016 y utilizar el Índice de Evaluación de Riesgo Aviario (IERA) para detectar aquellas que generan riesgo. Las especies que presentaron mayor abundancia fueron las gaviotas (Familia Laridae) con un máximo reportado de 5189 individuos y los gallinazos (Coragyps atratus (Bechstein, 1793)) con un máximo registrado de 371 individuos. Ambos grupos estuvieron más activos a partir de las primeras horas de la mañana (9:00 h) y en la media tarde (16:00-17:00 h). Estos grupos también presentaron mayor riesgo según el IERA. Dicho índice funciona eficientemente como herramienta de diagnóstico de especies de aves potencialmente peligrosas.

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“…This species is among the top-rated hazardous birds in some of the Chinese airports also 24 . It is rated as the highest threat in a few other South Asian [25][26] and African countries [27][28] as well. This species is also ranked at no.4 among hazardous species by the Australian Transport Safety Bureau 29 .…”

Section: Discussionmentioning

confidence: 99%

Bird Strike to Aircrafts An Assessment of Changing Bird Populations at Select Indian Airfields

Srinidhi

Pramod

2021

Def. Life. Sc. Jl.

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Bird Strikes (BS) are a significant threat to flight safety and a serious economic concern in the aviation industry. Variation of population and activity of different birds over an airfield leads to variation in their vulnerability for Bird Strike as well. In this study, an attempt was made to document the monthly variation of bird activity over three Indian airfields situated in different bio-geographical provinces in the year 2019-20. A significant activity of Black Kites (including the sub-species Black-eared Kite namely Milvus migrans govinda and Milvus migrans lineatus) and Lapwing (Vanellus indicus) were studied to understand their annual cycle as well as long term changes in their activity over airfields (over 30 years). Agra recorded an increase of 10.3 times in the activity of Black Kites in forty years. Black Kite data in correlation with the past information on Vultures indicate that the Black Kites are taking over the ecological niche of Vultures. Sirsa recorded an increase of 15 times in the activity of Red-wattled Lapwings in ten years and started dwindling again. The numbers of both species were stable over the Jodhpur airfield. The probable causes for long-term changes in Black Kite activity were identified as the type of waste management of the cities nearby, presence of other birds and migration. Similarly, changes in the activity of Red-wattled Lapwing could be partly attributed to the type of vegetation cover, long-term ecological changes, and intensive harassment of the bird. These findings will help airfield safety managers to initiate Solid Waste Management projects in the nearby city and monitor the bird population to control the major variations.

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An Evaluation of the Effect of Bird Strikes on Flight Safety Operations at International Airport

Cited by 10 publications

References 2 publications

The effects of modern war and military activities on biodiversity and the environment

The effects of modern war and military activities on biodiversity and the environment

Distribución Espacial Y Temporal De Avifauna en El Aeropuerto Internacional Jorge Chávez, Callao-Perú

Bird Strike to Aircrafts An Assessment of Changing Bird Populations at Select Indian Airfields

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