Претраживање
Приказ резултата 51-60 од 353
Growth elements of the trees and the stand of gymnocladus dioicus (l.) K. Koch at Fruska Gora (Serbia)
(Croatian Forestry Soc, Zagreb, 2019)
The species Gymnocladus dioicus (L.) K. Koch has been present in the territory of Serbia for over 150 years, and is most commonly cultivated in the form of decorative single trees or in small groups. The largest heterogeneous ...
Optimization of process of the honeycomb-like structure formation by the regime of reversing current (RC) in the second range
(Springer, New York, 2020)
Formation of the honeycomb-like electrodes of copper by the regime of reversing current (RC) in the second range has been investigated. Morphological and structural characteristics of this electrode type obtained by various ...
Comparison of Photoacoustic Signals in Photosynthetic and Nonphotosynthetic Leaf Tissues of Variegated Pelargonium zonale
(Springer/Plenum Publishers, New York, 2016)
Green-white variegated leaves of Pelargonium zonale were studied using the photoacoustic method. Our aim was to characterize photosynthetically active green tissue and nonphotosynthetically active white tissue by the ...
Using optical fibers to measure absorption in intact conifer leaves, relative numbers of chloroplasts, and pigment content
(Springer, Dordrecht, 2020)
For investigations of ongoing processes in plants, such as photosynthesis in conifer leaves, nondestructive and noninvasive measuring techniques are needed. In this paper, a novel approach has been developed for the ...
Seasonal changes in condition, hepatosomatic index and parasitism in sterlet (Acipenser ruthenus L.)
(Scientific Technical Research Council Turkey-Tubitak, Ankara, 2009)
Measurements of biomarker responses in fish from contaminated sites could provide valuable data for environmental risk assessment. Biomarkers are sensitive to both environmental pollution and confounding factors that are ...
Woody plants and herbs as bioindicators of the current condition of the natural environment in Serbia
(Academic Journals, Victoria Island, 2011)
Being the inhabitants of all parts of the environment (water, air, soil) plants can very precisely point to the ecological conditions of the environment. Vascular plants are often used for biomonitoring of heavy metals. ...
Reproducibility of age determination by scale and vertebra in pontic shad (alosa pontica eichwald, 1838), from the Danube
(Srpsko biološko društvo, Beograd, i dr., 2009)
Specimens of Pontic shad (Alosa pontica Eichwald, 1838) were collected during April and May of 2006 in the Danube River (rkm 863) just downstream of the Iron Gate (Djerdap) II dam. Twenty-eight scales and 30 vertebrae were ...
Labile fractions of soil organic carbon in mollisols from different climatic regions
(Pisa Univ Press, Pisa, 2009)
Characterization of Labile Fractions of Soil Organic Carbon in Mollisols from different climatic regions. The research studied the potential mineralization and characterization of labile SOM of different types of Mollisols: ...
From failure to success: Serbian approach in mitigation of global climate change and extreme weather events
(Scibulcom Ltd, Sofia, 2012)
When the issue of (in-) security is raised in relation to climate change it is most often associated with humanitarian catastrophes caused by extreme weather events. Taking into account all the challenges that Serbia has ...
Stream section types of the Danube River in Serbia according to the distribution of macroinvertebrates
(Springer, New York, 2013)
The aim of this study was to use the data on the distribution of aquatic macroinvertebrates obtained from 14 sites within a 413 km long stretch of the Danube River in Serbia to show the relevance of the bordering zone ...