Akshay Sharma, Madhumeet Singh, Pravesh Kumar and Pradeep Kumar Dogra
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Eisa Ebrahimi Dorche, Pejman Fathi and Alireza Esmaeili Ofogh
, using selected trophic and taxonomic metrics as state variables, Ecol. Modell. 207: 109–127.
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Davis J., Horwitz
iterative adaptation of the estimate, which in total should account for 100% when adding all estimated values and iii) by the non-additive properties of these scores, which do not allow for the computation of meaningful sums or means. In such cases, the mid-point of the corresponding interval of the score is often imputed (i.e., a percent value of 62.5 is assumed instead of a score corresponding to an interval from 50 to 75%). It is straightforward that the sum of the assumed values of all species cannot reproduce the sum of the real values of the species. They are just a
Kiraz Erciyas, Arzu Gürsoy, A. Özsemir and Y. Barış
Body mass and fat score changes in recaptured birds during the autumn migration at the Cernek ringing station in Turkey
The fat level and the body mass of recaptured birds ringed at the Cernek Ringing Station are presented in this study. Data from autumns of 2003-2005 were analysed. Species of different migratory and feeding habits are compared. A total of 351 recaptures of the Blackcap (Sylvia atricapilla), Garden Warbler (S. borin), Reed Warbler (Acrocephalus scirpaceus), Marsh Warbler (A. palustris) and Cetti's Warbler (Cettia cetti) were mist-netted and handled according to the South-East European Bird Migration Network (SEEN) standards.
The mean weight changes of the Reed Warbler and Marsh Warbler and those of the Blackcap and Garden Warbler were similar within each genus but higher in Sylvia spp. as compared to Acrocephalus spp. The recapture rate was the highest in the Cetti's Warbler but the mean weight increase was the lowest as this is essentially a sedentary species. The stopover duration differed among the species. The mean stopover length was similar within Acrocephalus spp. (8.5 days in the Reed Warbler, 6.4 days in the Marsh Warbler) and Sylvia spp. (5.6 days in the Blackcap, 5.4 days in the Garden Warbler) and different in the Cetti's Warbler (16.6 days).
Results indicate that migratory birds use Cernek location as refuelling station during the autumn migration and their fat level and body mass increase, but differ according to feeding and migrating habits.
Patricia D. Oulai, Lessoy T. Zoué and Sébastien L. Niamké
The aim of this study was to evaluate the effect of steam blanching processing on the nutritive value and the antioxidant properties of five leafy vegetable species (Amaranthus hybridus, Andasonia digitata, Ceiba patendra, Hibiscus sabdariffa and Vigna unguiculata) that are used for sauce preparation in Northern CÔte d'Ivoire. The selected leafy vegetables were subjected to blanching in pressure cooker for 15, 25 and 45 min and the physicochemical properties were determined using AOAC methods. The result of the study revealed that longer time of blanching (higher than 15 min) caused negative impact by reducing nutritive value but positive impact by reducing anti-nutrients and increasing polyphenols. The registered losses (p0.05) at 15 min were as follow: ash (0.08-10.01%), proteins (0.36-12.03%), vitamin C (19.56-68.67%), carotenoids (18.91-55.48%) oxalates (3.58-21.39%) and phytates (10.51-68.02%). The average increase of polyphenols contents at 15 min of blanching was 1.61 to 30.72%. In addition, a slight increase (0.35-4.16%) of fibres content was observed in the studied blanched leafy vegetables. Furthermore, after 15 min of blanching time the residual contents (p0.05) of minerals were: calcium (264.88-844.92 mg/100 g), magnesium (49.45-435.43 mg/100 g), potassium (675-1895.41 mg/100 g), iron (14.54-70.89 mg/100 g) and zinc (9.48-36.46 mg/100 g). All these results suggest that the recommended time of domestic blanching must be less than 15 min for the studied leafy vegetables in order to contribute efficiently to the nutritional requirement and to the food security of Ivorian population
The aim of the study was a hydromorphological valorisation of the river valley in the Roztocze region using the British method - River Habitat Survey (RHS). As a result of field research two numerical indicators HMS (Habitat Modification Score) and HQA (Habitat Quality Assessment) were identified and purity water classes were defined. The river did not fulfil the requirements of the Water Framework Directive, because its state was defined as poor and moderate. On the base of physical and chemical parameters, in the majority of water studied the watercourses were classified to the first class of purity. Only in one segment waters were below the first class, or even out of class.
In this paper, we present the results and analyse of tree height measurements, phenological observations (bud flushing), oak powdery mildew symptoms and multiple shoots of pedunculate oaks Quercus robur L. at the age of 12 years. The examined oaks belonged to 29 open pollination families. Family as well as individual heritability scored very highly for their respective indices. The calculated indices were 0.83 for tree height, 0.98 for flushing of buds, 0.53 for oak powdery mildew symptoms and 0.58 for the multi-stem index. Family seed orchards established using a completely randomized design are not a reliable substitute for progeny testing, because of the commonly small number of collected families.
The “Land of the Valleys” lying in the area of the Lutowiska district in the Western Bieszczady Mts. is undergoing unwelcome succession-related changes, such as for example the extinction of valuable plant species or even whole plant associations, and the disappearance of the mosaic pattern of biocoenoses. It is therefore necessary to conduct investigations aimed at assessing the natural values of this region.
The natural assets of the Lutowiska district, where the three raised peat bogs under study (Wołosate, Litmirz and Tarnawa) are situated, were assessed using the Oświt  method for the natural valuation of wetlands and associated landscapes. The method involves awarding points to three groups of indicators: (i) the scope and forms of nature conservation; (ii) general natural values; and (iii) the richness of wetland biotopes, plant communities and flora [Oświt and Dembek 1995]. Altogether, the district scored 60.7 valuation points (with 9 points for relief richness included), which allows classifying it as an area with very high natural values (class VIII on a scale of I-X).
the BMWP score, Transylvanian Review of Systematical and Ecological Research , 14, 177-188.
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