نتایج جستجو برای: s hypoleuca
تعداد نتایج: 711282 فیلتر نتایج به سال:
This work is being done in conjunction with other observational and modelling research aimed at improving the representation of the Madden-Julian Oscillation (MJO) in global models. In combines remote sensing and in-situ observations made from the RV-Revell during legs 2 & 3 of the DYNAMO experiement to help characterize vertical transport through the boundary layer and to build statistics of t...
OJANEN, M. 1984. The relation between spring migration and onset of breeding in the Pied Flycatcher Ficedula hypoleuca in northern Finland. Annales Zoologici Fennici 21:205-208. PENNYCUICK, C. J. 1989. Bird flight performance: A practical calculation manual. Oxford University Press, Oxford. PETTERSSON, J., AND D. HASSELQUIST. 1985. Fat deposition and migration capacity of Robins Erithacus rubec...
The streamfunction and velocity potential variances associated with the Madden–Julian oscillation are explained substantially by their zonal wavenumber-1 components, which are used to measure quantitatively the phase relationship between the two variables. There exists a quarter-cycle phase difference between them. A simplified streamfunction budget equation was used to demonstrate analytically...
Many common environmental pollutants, together with nuclear radiation, are recognized as genotoxic. There is, however, very little information on pollution-related genetic effects on free-living animal populations, especially in terrestrial ecosystems. We investigated whether genetic diversity in two small insectivorous passerines, the great tit (Parus major) and the pied flycatcher (Ficedula h...
salviaیکی از بزرگ ترین جنس های تیره نعناعیان (lamiaceae) و از گیاهان دارویی مهم این تیره است. طبق منابع موجود، بین گونه های این جنس شباهت های ریخت شناسی فراوانی به ویژه از نظر خصوصیات براکته، انواع کرک ساقه و صفات مربوط به کاسه وجام گل دیده می شود. به منظور مطالعه قرابت فنتیکی برخی گونه های این جنس، تاکسونومی عددی با استفاده از 51 صفت ریخت شناسی در 15 گونه انجام شد. تجزیه خوشه ای به روش average...
Environmental pollutants cause a potential hazard for survival in free-living animal populations. We modelled local survival (including emigration) by using individual mark-recapture histories of males and females in a population of a small insectivorous passerine bird, the pied flycatcher (Ficedula hypoleuca) living around a point source of heavy metals (copper smelter). Local survival of F. h...
The Madden-Julian oscillation (MJO) is the dominant mode of variability in the tropical atmosphere on intraseasonal timescales and planetary spatial scales. Despite the primary importance of the MJO and the decades of research progress since its original discovery, a generally accepted theory for its essential mechanisms has remained elusive. Here, we present a minimal dynamical model for the M...
Through two pezizalean collections made in Portugal and one Corsica, the “Peziza succosa” complex is investi- gated here using molecular data (nrITS nrLSU) by reviewing type specimen of Galactinia hypoleuca Boud. & Torrend. The aim this paper to redescribe G. combine it into Paragalactinia based on joined information from newly collected specimens specimen. A key known European species prov...
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