Results 41 to 50 of about 130,161 (253)
New Records of Raptors in Eastern Kazakhstan
In this article we describe our data on observations of birds of prey in Eastern-Kazakhstan Upland and Northern Balkhash Lake area collected mostly in 2013, May–June and September, and also in 2012, March and May.
Anna N. Barashkova, Ilya E. Smelansky
doaj +1 more source
Electrocution of raptors at power lines in Central Kazakhstan [PDF]
Along three transects of medium voltage power lines in the steppe of Central Kazakhstan, surveys for bird casualties were carried out in summer 2006 in order to estimate the quantitative and qualitative impact of power lines on bird mortality in this ...
Lasch, Ulrike +2 more
core
Measuring Microlensing using Spectra of Multiply Lensed Quasars
We report on a program of spectroscopic observations of gravitationally-lensed QSOs with multiple images. We seek to establish whether microlensing is occurring in each QSO image using only single-epoch observations.
Abajas +67 more
core +1 more source
The effect of climate change adaptation strategies on bean yield in central and northern Uganda [PDF]
This paper analyses the impact of adaptation to climate change on bean productivity on a micro-scale using instrumental variable techniques in a two-stage econometric model, using data collected from farming households in northern and central Uganda.
Bonabana-Wabbi, Jackline +2 more
core
Progress in the use of adeno-associated viral vectors for gene therapy [PDF]
The development of safe and efficient gene transfer vectors is crucial for the success of gene therapy trials. A viral vector system promising to meet these requirements is based on the apathogenic adeno-associated virus (AAV-2), a member of the ...
Braun-Falco, M., Buning, H., Hallek, M.
core +1 more source
ABSTRACT The Mekong Delta (MKD), Vietnam has achieved high rice productivity through rapid intensification. However, this progress has led to environmental degradation and adverse economic and health effects. To mitigate these challenges, sustainable agricultural practices (SAPs) have been promoted.
Nguyen Thi Thu Hien +5 more
wiley +1 more source
Photometric monitoring of the gravitational lens system 0957+561A,B in the g and r bands with the Apache Point Observatory (APO) 3.5 m telescope during 1996 shows a sharp g band event in the trailing (B) image light curve at the precise time predicted ...
Angonin-Willaime M.-C. +23 more
core +1 more source
Abstract Knowing about species interactions is essential for ecological research, conservation efforts, resource management, and maintaining healthy ecosystems, but many of these, such as reports of predation, may not always be published in easily located resources—if they are published at all.
Matthijs P. van den Burg, Hinrich Kaiser
wiley +1 more source
Molecular detection and genetic characterization of Trichomonas gallinae in falcons in Saudi Arabia.
Avian trichomonosis is primarily caused by Trichomonas gallinae, a flagellated protozoan parasite that especially infects the upper digestive tract of columbid bird species and their avian predators.
Abdulwahed Fahad Alrefaei
doaj +1 more source
Preliminary observation on use of nest boxes in protected areas of Southern Sicily [PDF]
In this short note we summarize the data self-made nesting in nest boxes in two areas of NATURA 2000 in southern Sicily. The models of nest boxes considered host species during the study the following period: Falco naumanni, Falco tinnunculus, Athene ...
Mascara, R., Sara', M., Zanca, L.
core

