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- Elevation (2)
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Articles 1 - 6 of 6
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Environmental And Soil Variables Affecting The Structure And Floristicwoody Composition Of Oak Forests Of Northeastern Mexico, Juan Antonio Encina-Domínguez, José Ramón Arévalo Sierra, Eduardo Estrada Castillon, Miguel Mellado Bosque
Environmental And Soil Variables Affecting The Structure And Floristicwoody Composition Of Oak Forests Of Northeastern Mexico, Juan Antonio Encina-Domínguez, José Ramón Arévalo Sierra, Eduardo Estrada Castillon, Miguel Mellado Bosque
Turkish Journal of Agriculture and Forestry
The objective of this study was to investigate the influence of environmental and soil factors on the structure and floristic woody composition of oak forests. Oak forests of the Sierra de Zapalinamé in northeastern Mexico (25°N) are distributed in canyons and northwest slopes with higher humidity, surrounded by montane chaparral. We carried out a vegetation inventory across an altitudinal gradient. All trees with diameter at breast height of =>3 cm were identified and measured. In addition, the cover of understory species was measured in each plot. Using multivariate techniques, we detected two oak forest associations: Quercus greggii - Q. …
Photosynthetic Response Of Bromus Inermis In Grasslands Of Different Altitudes, Panagiota Kostopoulou, Maria Karatassiou
Photosynthetic Response Of Bromus Inermis In Grasslands Of Different Altitudes, Panagiota Kostopoulou, Maria Karatassiou
Turkish Journal of Agriculture and Forestry
In Greece, grasslands constitute an important component of montane areas. The aim of the present study was to evaluate the photosynthetic responses of the forage species Bromus inermis at two montane grasslands (Filippaioi, Grammatiko) and a lowland grassland under differential irradiation and CO2 concentration levels. In each area, gas exchange parameters were calculated under: a) ambient conditions along with the measurement of variable to maximal fluorescence, b) low (300 µmol m-2 s-1) and high (1400 µmol m-2 s-1) radiation, and c) ambient (380 µmol mol-1) and high (800 µmol mol-1) CO2 concentrations. In addition, assimilation response curves to different levels …
Investigation Of Fatty Acid Composition And Trans Fatty Acid Formation In Extracted Oils From French-Fried Potatoes And Classification Of Samples Using Chemometric Approaches, Eli̇f Yildirim, Ömer Sai̇d Toker, Safa Karaman, Ahmed Kayacier, Mahmut Doğan
Investigation Of Fatty Acid Composition And Trans Fatty Acid Formation In Extracted Oils From French-Fried Potatoes And Classification Of Samples Using Chemometric Approaches, Eli̇f Yildirim, Ömer Sai̇d Toker, Safa Karaman, Ahmed Kayacier, Mahmut Doğan
Turkish Journal of Agriculture and Forestry
The present study investigates fatty acid composition and trans fatty acid formation in oils extracted from French-fried potatoes, which were produced in the laboratory and collected from different restaurants. Potatoes were fried at 180 °C at different frying periods (1, 7, 13, 19, 25, and 31 min) and the fatty acid composition of the extracted oils was determined. Principal component analysis and hierarchical cluster analysis were used to characterize and classify the samples. Four major fatty acids were identified in the samples, namely palmitic acid, stearic acid, oleic acid, and linoleic acid. Linolelaidic acid (C18:2 trans) was detected in the …
Predicting Germination Of Medicago Sativa And Onobrychis Viciifolia Seeds By Using Image Analysis, Behnam Behtari, Martin De Luis, Adel Dabbagh Mohammadi Nasab
Predicting Germination Of Medicago Sativa And Onobrychis Viciifolia Seeds By Using Image Analysis, Behnam Behtari, Martin De Luis, Adel Dabbagh Mohammadi Nasab
Turkish Journal of Agriculture and Forestry
Image analysis is an accessible method that can convert qualitative variables to quantitative ones. Computer imaging has been used in seed biology in various ways, including seed vigor testing and seed identification. In this paper, the seeds of 2 species, Medicago sativa and Onobrychis viciifolia, were studied. Laboratory tests and a computerized experiment were conducted to evaluate the effects of accelerated aging on the seed vigor of both species. We measured the rate of germination using a factorial and completely randomized design, with 10 treatment combinations replicated 3 times. The main factors were accelerated aging (6, 12, 18, 24, and …
Temperature Dependent Development Of The Egg-Larval Parasitoid Chelonus Oculator On The Factitious Host, Ephestia Cautella, Hi̇lal Tunca, Cem Özkan, Ahmet Neşet Kilinçer
Temperature Dependent Development Of The Egg-Larval Parasitoid Chelonus Oculator On The Factitious Host, Ephestia Cautella, Hi̇lal Tunca, Cem Özkan, Ahmet Neşet Kilinçer
Turkish Journal of Agriculture and Forestry
Development, fecundity, and longevity of the egg-larval parasitoid Chelonus oculator Panzer (Hymenoptera: Braconidae) were studied on the factitious host, Ephestia cautella (Walker) (Lepidoptera: Pyralidae) at 4 different temperatures (15 °C, 20 °C, 25 °C, and 30 °C). Developmental time from egg to adult was inversely related to temperature. Egg to adult development time ranged from 188 days at 15 °C to 28 days at 30 °C. Complete development required 489 degree-days with a developmental threshold of 12.5 °C. Adult male and female longevity ranged from 43 days at 20 °C to 17 days at 30 °C. Maximum production of offspring …
Root-Length Densities Of Lentil And Wheat And Measuring Infiltration In The Soil In Differentsoil Tillage, Lentil-Wheat Versa Fallow-Wheat Rotation Systems Undercentral Anatolian Conditions, Didar Eser, M. Sait Adak, Andreas Biesantz
Root-Length Densities Of Lentil And Wheat And Measuring Infiltration In The Soil In Differentsoil Tillage, Lentil-Wheat Versa Fallow-Wheat Rotation Systems Undercentral Anatolian Conditions, Didar Eser, M. Sait Adak, Andreas Biesantz
Turkish Journal of Agriculture and Forestry
The research was carried out for four years in the two locations Haymana-Ankara and Gözlü-Konya under different climate characteristics of the Central Anatolian Region. The aim of the reseach was to improve soil fertility in dry farming areas and to increase the benefit from fallow areas. Different soil tillage treatments and lentil-wheat versa fallow- wheat rotations systems resp. were examined in these experiments. According to experimental results highest root-length densities (RLD s ) of winter sown lentils were obtained in soil layers of 0-20 and 20-40 cm in comparison to deeper soil layers of 20 cm each down to 1 …