Results 161 to 170 of about 380,752 (346)

Using programmable infusion pump in avian species – a validation methodology in geese

open access: yesWildlife Biology, EarlyView.
Wildlife face anthropogenic and natural stressors that affect their physiology and behaviour. The activity of the hypothalamic–pituitary–adrenal axis and glucocorticoid (GC) production is intrinsically linked with energy regulation and environmental stressors.
Myriam Trottier‐Paquet   +5 more
wiley   +1 more source

Phenology of migrating game birds in Italy based on citizen science data

open access: yesWildlife Biology, EarlyView.
Studying the timing of the seasonal movements of migratory birds, known as migration phenology, is crucial for managing and conserving migratory bird populations. This is particularly important for migratory game bird populations in Europe because, according to the EU, migratory birds should not be hunted during their breeding season or during return ...
Susan E. McKinlay   +10 more
wiley   +1 more source

Relative Prices as Aggregate Supply Shocks with Trend Inflation [PDF]

open access: yes
This paper modifies the menu-cost model that Ball and Mankiw (1995) put forward to explain the correlation between the first- and higher-moments of the distribution of US price changes by allowing for non-zero trend inflation.
David Demery, Nigel W. Duck
core  

Drone‐based radiotelemetry and imagery systems provide an advantage over traditional techniques for estimating survival of dependent juveniles

open access: yesWildlife Society Bulletin, EarlyView.
We used drone‐based radiotelemetry and multispectral imagery to estimate detection and survival probabilities of blue‐winged teal broods in Saskatchewan, Canada. Weekly brood survival probabilities, estimated via Cormack‐Jolly‐Seber models, increased with age and were comparable between drone methods.
Grant A. Rhodes   +5 more
wiley   +1 more source

Design considerations for breeding waterfowl surveys

open access: yesWildlife Society Bulletin, EarlyView.
This study evaluated how different survey designs affect the accuracy and precision of breeding waterfowl population estimates in Iowa's Prairie Pothole Region. Using aerial survey data from 2016–2018, we found that conducting at least 2 visits per season reduced bias in pair estimates, particularly for wood ducks and blue‐winged teal, while mallard ...
Tyler M. Harms   +2 more
wiley   +1 more source

Nonaxisymmetric viscous lower branch modes in axisymmetric supersonic flows [PDF]

open access: yes
In a previous paper, the weakly nonlinear interaction of a pair of axisymmetric lower branch Tollmien-Schlichting instabilities in cylindrical supersonic flows was considered.
Duck, Peter W., Hall, Philip
core   +1 more source

Evaluation of drones as a tool for multi‐species nest surveys on linear rights‐of‐way

open access: yesWildlife Society Bulletin, EarlyView.
This paper examines the use of drones with infrared cameras as a tool in the detection of bird nests on linear rights‐of‐way, in comparison to standard ground‐based nest surveys. Abstract The varying application of drone use in wildlife research has expanded in recent years. With the ability to utilize a variety of different sensors (e.g., infrared [IR]
Kirsten E. Pearson   +5 more
wiley   +1 more source

Diagnostic analytics of electricity tariff design in Nepal

open access: yesEnergy Conversion and Economics, EarlyView.
Abstract Nepal's electricity sector operates under a monopsony, with government entities dominating generation, transmission, and distribution. This market structure suppresses competition, leading to inherent challenges in establishing fair and efficient electricity tariff systems.
Prashant Kandel   +2 more
wiley   +1 more source

A Small Act Towards Circular Bioeconomy: Adoption of Integrated Crop‐Livestock System and Its Impacts on Fertiliser Use

open access: yesAustralian Journal of Agricultural and Resource Economics, EarlyView.
ABSTRACT The integrated crop‐livestock system (ICLS) involves rural households simultaneously engaging in crop cultivation and livestock rearing, embodying the principles of a circular bioeconomy. In this system, crop cultivation produces straw as livestock feed, while livestock rearing generates manure that enriches the soil for crop production.
Hongyun Zheng   +4 more
wiley   +1 more source

Boundary-layer receptivity due to a wall suction and control of Tollmien-Schlichting waves [PDF]

open access: yes
A numerical study of the generation of Tollmien-Schlichting (T-S) waves due to the interaction between a small free-stream disturbance and a small localized suction slot on an otherwise flat surface was carried out using finite difference methods.
Bodonyi, R. J., Duck, P. W.
core   +1 more source

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