نتایج جستجو برای: river indicator
تعداد نتایج: 157728 فیلتر نتایج به سال:
Consensual deprivation indicators represent one influential approach to measuring poverty,. The approach is based on the assumption that there is a broad consensus on what goods/services families should be able to afford, and that we can use enforced non-possession of those items to measure deprivation. Using data from two GB surveys from 1999, this paper argues that (a) the degree of consensus...
Ameisen: Die heimliche Weltmacht (Ants: Nature's Secret Power) is a nature documentary about ants. Wolfgang Thaler wrote, filmed, and directed the film, which focuses on the work of ant researcher Bert Hölldobler. The 2004 film was produced by Adi Mayer Film for Österreichischer Rundfunk (Austrian Broadcasting), a public service broadcaster headquartered in Vienna, Austria. Ants: Nature's Secre...
We describe the synthesis and fluorescence properties of a Fura-2FF-based fluorescent Ca(2+) indicator that can be covalently linked to SNAP-tag fusion proteins and retains its Ca(2+) sensing ability after coupling to protein.
In the educational context it is examined the teacher-stress association. The teacher’s stress is related with variables of academic environment, of out of the school and of the teacher. The impact of that association can be see in the teacher’s health, in his achievement and in the quality of the teaching-learning process. With the objective to present one view of how issue is being considered...
We demonstrate that an oft-used indirect attitude assessment technique—the attitude activation paradigm—accurately assesses attitudes only when participants attend to the prime stimuli during the attitude activation task. Attitude activation attitudes toward obviously valenced words (e.g., torture, liberty) were more sensitive to attitude valence and extremity when participants were required to...
Lenitic and lotic aquatic environments were studied in the Middle Paraná River basin, one of the largest rivers of the world (basin: 1,510,000 km2, length: 2,570 km). The Paraná River (S 31 degrees 42' 04"; W 60 degrees 29' 39"), during El Niño-Southern Oscillation (ENSO) (1997-1998), registered maximum flows of 29,962 m3 s(-1) (more than twice the mean flow) and also positive pluvial anomalies...
The variability in zooplankton fatty acid composition may be an indicator of larval fish habitat quality as fatty acids are linked to fish larval growth and survival. We sampled an anadromous fish nursery, the Chowan River, during spring of 2013 in order to determine how the seston fatty acid composition varied in comparison with the zooplankton community composition and fatty acid composition ...
BACKGROUND Nutrient management in rivers and streams is difficult due to the spatial and temporal variability of algal growth responses. The objectives of this project were to determine the spatial and seasonal in situ variability of trophic status in the Lake Waco/Bosque River watershed, determine the variability in the lotic ecosystem trophic status index (LETSI) at each site as indicators of...
This study investigated the relation between vegetation reflectance and elevated concentrations of the metals Ni, Cd, Cu, Zn and Pb in river floodplain soils. High-resolution vegetation reflectance spectra in the visible to near-infrared (400-1350 nm) were obtained using a field radiometer. The relations were evaluated using simple linear regression in combination with two spectral vegetation i...
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