搜索结果: 1-8 共查到“植物学 variation”相关记录8条 . 查询时间(0.156 秒)
MONITORING OF AGRICULTURAL DROUGHT USING FORTNIGHTLY VARIATION OF VEGETATION CONDITION INDEX (VCI) FOR THE STATE OF TAMIL NADU, INDIA
Agricultural drought monitoring Vegetation condition index (VCI) Drought severity map Geographic Information Systems (GIS) Normalized differenced vegetation index (NDVI)
2018/11/9
India being an agrarian nation widely depends upon rainfall for its agricultural productivity. The failure of rainfall and hence shortfall of productivity badly affects national economy. With an intri...
Variation in nitrogen economy of two Stipa species in the semiarid region of northern China
Habitat preference Mean residence time Nitrogen-use efficiency Nitrogen productivity Plant strategies
2015/2/5
How effectively plants utilize nitrogen (N), the most limiting nutrient in natural ecosystems, will largely determine the success of plants in intra- and inter-specific competition. Theory suggests th...
The Chronological History and Taxonomic Variation of the Genus Cupressus (Cupressaceae) in India
Cupressus Chronological history Taxonomic variation
2009/5/31
Recent embryological evidence of studies of seedlings of Cupressus L . along with chemotaxonomic studies of heartwood
components has demonstrated that Cupressus lusitanicaMill . did indeed originate ...
The Taxonomy and Variation of Leaf Anatomical Characters in the Genus Aegilops L. (Poaceae) in Iran
Anatomical Aegilops taxonomy Iran variation
2010/3/18
This study concerns the evaluation of leaf anatomical characters (7 qualitative and 12 quantitative characters) among 26 accessions of the Aegilops L. species. The results of this study showed that th...
Seasonal Variation of Phytoplankton and Value of Chlorophyll a in the Sarıyar Dam Reservoir (Ankara, Turkey)
Phytoplankton Algae Sarı yar Dam Reservoir Seasonal variation Chlorophyll a
2010/3/19
The phytoplanktonic algae were determined in samples taken from 7 different locations at the Sarıyar Dam Reservoir (SDR) from March 1996 to June 1997. The seasonal variation of phytoplankton and ...
Isoenzyme Variation of Esterase and Acid Phosphatase and Genetic Affinities among Dasypyrum villosum (L.) P.Candargy, Elytrigia repens (L.) Nevski and Elymus caninus (L.) L.
Dasypyrum villosum Elytrigia repens Elymus caninus esterase acid phosphatase isoenzyme variation genetic affinities
2010/3/22
Polyacrylamide gel electrophoresis was employed to study the isoenzyme variation of esterase and acid phosphatase in natural populations of Dasypyrum villosum (L.) P.Candargy, Elytrigia repens (L.) Ne...
Ecological Wood Anatomy of Turkish Rhododendron L. (Ericaceae). Intraspecific Variation
Intraspecific variation wood anatomy altitude Rhododendron Turkey
2010/3/23
Nesime MEREV, Hakkı YAVUZ Karadeniz Technical University, Faculty of Forestry, Department of Forest Engineering, Trabzon - TURKEY Abstract : The intraspecific relationships of selected wood anato...
A Study in The Seasonal Variation of Phytoplankton in Hafik Lake (Sivas, Turkey)
Lake Phytoplankton Seasonality
2010/3/23
The seasonal variations in composition of the phytoplankton of Hafik lake was studied from April 1986to June 1987. Ba- cillariophyta, Chlorophyta, and Cyanophyta were the most abundant components of t...