Results 251 to 260 of about 585,774 (283)

Efficacy of Fatigue Countermeasures on Cognitive Performance and Operational Safety in Military Pilots: A Systematic Review. [PDF]

Cureus
Attiah Alzahrani A, Alessa MF, Musaad Alharbi F, Mohammed Alotaibi T.   +3 more
europepmc   +1 more source

Effects of wind turbine wakes on bird gliding aerodynamic performance. [PDF]

Sci Rep
Yang X, Zhou L, Sui Y, Ren Z, Chen S.
europepmc   +1 more source

Internal versus external reasons for fear of flying and their impact on exposure therapy effectiveness

Toffolo MB, Fehribach JR, Straten A, Donker T.   +3 more
europepmc   +1 more source

Annual Reports to the ESA Council ESA 110th Annual Meeting July, 2025

The Bulletin of the Ecological Society of America, EarlyView.
wiley   +1 more source

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Some new aspects of Lévy walks and flights: directed transport, manipulation through flights and population exchange

Physica D: Nonlinear Phenomena, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Denisov, Sergey Vadimovich, Klafter, J., Urbakh, M.   +2 more
openaire   +2 more sources

Long-distance pollinator flights and pollen dispersal between populations of Delphinium nuttallianum

Oecologia, 2001
Spatial processes in pollination biology are poorly understood, especially at levels above that of the local population. For example, little is known about how pollinators and pollen move among populations, although there is evidence that such movement can exceed what is predicted from intrapopulational movement.
Bradd, Schulke, Nickolas M, Waser
openaire   +2 more sources

The Relation of Flights of Colias to Larval Population Density

Ecology, 1949
The alfalfa caterpillar (Colias philodice eurytheme Boisduval), a native insect, has moved over from native legumes to introduced alfalfa and has become very abundant in the hot interior valleys of California. The largest populations in the San Joaquin Valley occur in mid-summer on the fourth and fifth crops of alfalfa.
Ray F. Smith, D. E. Bryan, W. W. Allen
openaire   +1 more source

Feeding cycles and flight activity in field populations of tsetse (Diptera:Glossinidae)

Bulletin of Entomological Research, 1978
AbstractPublished laboratory measurements of the levels of fat and haematin inGlossinafollowing a blood-meal were used to develop a prediction of the relationship between fat and haematin during the course of the feeding cycle. The fat-haematin relationship appears to be nearly linear over the later part of the feeding cycle.
Sarah E. Randolph, D. J. Rogers
openaire   +1 more source

Aerial performance of Drosophila melanogaster from populations selected for upwind flight ability

Journal of Experimental Biology, 1997
ABSTRACT A computerized system for three-dimensional tracking of large numbers of individual free-flying insects was used to assess the performance of Drosophila melanogaster from populations that had undergone 160 generations of selection for upwind flight ability.
J H, Marden, M R, Wolf, K E, Weber
openaire   +2 more sources

The flight to the suburbs of population and employment, 1960–1970

Journal of Urban Economics, 1982
Abstract This paper develops an econometric model of suburbanization, analyzing the changing location of both population (classified by income and race) and of employment (divided into four sectors) in 106 large SMSAs. The results confirm that the differential mobility of upper-income residents, and white residents, has been a powerful force ...
openaire   +2 more sources