نتایج جستجو برای: m 2008
تعداد نتایج: 672010 فیلتر نتایج به سال:
Autoparasitoids, an important class of intraguild predators used in classical biological control, have a unique biology. Females develop as primary endoparasitoids of scale insects and whiteflies. Males develop at the expense of conspecific or heterospecific parasitoid prepupae. To evaluate the effect of autoparasitism on host suppression, system stability, and parasitoid coexistence, stage-str...
Most of the unknown biological diversity of macro-organisms remaining to be discovered and described lies in the tropical regions of the world and consists primarily of insects. Those insects with parasitoid lifestyles constitute a significant portion of insect diversity, yet parasitoids are among the most poorly known of major insect guilds in the humid tropics. Here we describe and analyze th...
OBJECTIVES To determine the mean body mass index (BMI, kg/m(2)) and prevalence of low weight (BMI<20) and obesity (BMI ≥ 30) in 3 population-based surveys, and to describe the longitudinal changes during 1994-2008 in mean BMI, and the prevalence of low weight and obesity. SETTING A population study in Tromsø, Norway. PARTICIPANTS A total of 29,688 different participants in 1 or more of 3 su...
Abstract. Atmospheric warming is intensifying glacier melting and glacial-lake development in High Mountain Asia (HMA), this could increase outburst flood (GLOF) hazards impact water resources hydroelectric-power management. There therefore a pressing need to obtain comprehensive knowledge of the distribution area glacial lakes also quantify variability their sizes types at high resolution HMA....
K. Mercurio,1 R. J. Charity,2 R. Shane,1 L. G. Sobotka,1,2 J. M. Elson,2 M. Famiano,3 A. H. Wuosmaa,3 A. Banu,4 C. Fu,4 L. Trache,4 R. E. Tribble,4 and A. M. Mukhamedzhanov4 1Departments of Physics, Washington University, St. Louis, Missouri 63130, USA 2Departments of Chemistry, Washington University, St. Louis, Missouri 63130, USA 3Department of Physics, Western Michigan University, Kalamazoo,...
A decade of investments in monitoring the HIV epidemic: how far have we come? A descriptive analysis
BACKGROUND The 2001 Declaration of Commitment (DoC) adopted by the General Assembly Special Session on HIV/AIDS (UNGASS) included a call to monitor national responses to the HIV epidemic. Since the DoC, efforts and investments have been made globally to strengthen countries' HIV monitoring and evaluation (M&E) capacity. This analysis aims to quantify HIV M&E investments, commitments, capacity, ...
Quantitative long-term measurements of VOC concentrations by PTR-MS: annual cycle at a boreal forest site T. M. Ruuskanen, R. Taipale, J. Rinne, M. K. Kajos, H. Hakola, and M. Kulmala University of Helsinki, Department of Physics, P.O. Box 68, 00014 University of Helsinki, Finland Finnish Meteorological Institute, P.O. Box 503, 00101 Helsinki, Finland Received: 19 September 2008 – Accepted: 20 ...
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