Results 21 to 30 of about 42,951 (396)

An Improved African Vulture Optimization Algorithm for Dual-Resource Constrained Multi-Objective Flexible Job Shop Scheduling Problems

open access: yesItalian National Conference on Sensors, 2022
According to the characteristics of flexible job shop scheduling problems, a dual-resource constrained flexible job shop scheduling problem (DRCFJSP) model with machine and worker constraints is constructed such that the makespan and total delay are ...
Zhou He, Biao Tang, Fei Luan
semanticscholar   +1 more source

Improved African Vulture Optimization Algorithm Based on Quasi-Oppositional Differential Evolution Operator

open access: yesIEEE Access, 2022
In this study, an improved African vulture optimization algorithm (IAVOA) that combines the African vulture optimization algorithm (AVOA) with both quasi-oppositional learning and differential evolution is proposed to address specific drawbacks of the ...
Renju Liu   +5 more
semanticscholar   +1 more source

The composition and dynamics of the diet of the Black Vulture (Aegypius monachus) and Griffon Vulture (Gyps fulvus) in the Talysh region of Azerbaijan

open access: yesВісник Харківського Національного Університету Імені В.Н. Каразіна: Серія Біологія, 2021
The composition and dynamics of the diet of the Black Vulture (Aegypius monachus L., 1766) and Griffon Vulture (Gyps fulvus Hablizl, 1783) were studied in the Talysh region of Azerbaijan in 2014-2016.
S. Rajabova, T. Karimov
doaj   +1 more source

Trade in vulture parts in West Africa: Burkina Faso may be one of the main sources of vulture carcasses

open access: yesBird conservation international, 2022
Summary The current catastrophic decline in African vultures is caused mainly by poisoning, and killing for consumption and belief-based use (traditional medicine).
Clément Daboné   +4 more
semanticscholar   +1 more source

Vultures, their population status and some ecological aspects in an Indian stronghold

open access: yesNotulae Scientia Biologicae, 2020
Indian vultures have important ecological and socio-economic functions and are increasingly studied, per their ecological role and recently, their catastrophic populations’ decline.
Kaushalendra K. JHA   +2 more
doaj   +1 more source

Grading of Anatomopathological Disparity in the Cases of Invasive Pulmonary Aspergillosis in wild avian species as recorded in Pigeons (Columba livia), Peafowls (Pavo cristatus), and Griffon Vultures (Gyps fulvus) [PDF]

open access: yesArchives of Razi Institute, 2022
Aspergillosis which is caused by Aspergillus fumigatus, a fungal pathogen, can vary from a localized infection to severe life-threatening invasive or disseminated systemic diseases in birds.
A. Mariappan   +4 more
doaj   +1 more source

Only one vulture was detected during transect surveys in northern Nigeria.

open access: yesVulture News, 2022
Vulture and raptor populations have declined across West Africa during recent decades due to numerous and widespread anthropogenic threats. To estimate encounter rates of vultures and raptors in northern Nigeria, we conducted a total of 248 km driven ...
A. Ringim   +4 more
semanticscholar   +1 more source

Diffuse Leukoplakia of the Bladder Ostium-Sparing in Patient Treated with Leuprorelin for Breast Cancer

open access: yesCase Reports in Urology, 2021
Case. A 55-year-old woman came to our attention in April 2020 referring haematuria, frequency and urgency. The patient referred previous treatment with leuprorelin 3.75 mg/2 ml for breast cancer three years ago.
Antonio Nacchia   +6 more
doaj   +1 more source

Traditional belief systems and trade in vulture parts are leading to the eradication of vultures in Nigeria: an ethno-ornithological study of north-central Nigeria

open access: yesOstrich, 2021
The population of various species of vultures are declining rapidly across Africa, with noticeable declines in most areas including protected areas. This sudden decline of vultures in African countries, especially Nigeria, is quite alarming.
M. M. Williams   +3 more
semanticscholar   +1 more source

Phenotypic and environmental correlates of natal dispersal in a long-lived territorial vulture

open access: yesScientific Reports, 2021
Natal dispersal, the movement between the birth and the first breeding site, has been rarely studied in long-lived territorial birds with a long-lasting pre-breeding stage.
D. Serrano   +19 more
semanticscholar   +1 more source

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