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Changes of sperm quality parameters in Caspian roach (Rutilus rutilus caspicus) during spawning migration
spawning season spermatological parameters biochemical parameters semen roach
2015/6/24
In this study, changes of pH, ionic (Na+, K+, Ca2+,and Mg2+), biochemical (total protein, glucose, and cholesterol)compositions of seminal plasma, sperm motility traits (percentage of motile spermatoz...
Evaluation of changes in the landscape management and its influence on animal migration in the vicinity of the D1 motorway in Central Bohemia
landscape migration wildlife motorway
2015/3/27
The article summarizes changes detected in landscape structures and interrelated changes in landscape management surrounding a model section of the D1 motorway (11th–29th km). Biotopes' gradual develo...
Migration Flight of Carrot Psyllid (Trioza apicalis) at Various Latitudes is Independent of Local Phenology
Daucus carota median monitoring of psyllids
2015/3/10
A particularly advantageous method of monitoring the flight and calculating the median was used. An example is
given in order to understand better the calculation. The medians show that the timing i...
Interactions between rural migration and land use change in the forest villages in the Gökçay Watershed
Land use mountainous forest villages rural migration
2011/6/29
This study was carried out to analyze the spatial and temporal pattern of land use/land cover change (from 1955 to 2008) and migration movement (from 1935 to 2007) in the Gökçay River Wate...
Field Experiment on the Migration of Fishes to a Paddy Field with a Small Fishway
biological diversity paddy irrigation systems fish protection
2009/9/10
Medaka (Oryzias latipes) populations have recently declined to such a level that they are listed as a species in danger of extinction in the Red Data Book. And a decline in the numbers of catfish and ...
Relationship between the Anatomical Characteristics of Cortical Resin Canals and Migration of Bursaphelenchus xylophilus in Stem Cuttings of Pinus thunbergii Seedlings
Bursaphelenchus xylophilus cortical resin canal nematode migration Pinus thunbergii resistance to pine wilt disease
2009/8/28
The migration of pinewood nematode, Bursaphelenchus xylophilus, inoculated on the top of 10-cm-long stem cuttings obtained from the current shoots of two types of Pinus thunbergii seedlings—a resistan...
Migration and Population Growth of the Pine Wood Nematode (Bursaphelenchus xylophilus) Related to the Symptom Development in the Seedlings of Japanese Black Pine (Pinus thunbergii) Families Selected as Resistant to Pine Wilt
breeding Bursaphelenchus xylophilus pine wilt resin canal resistance
2009/8/27
To obtain the pine trees with high resistance to the pine wilt from susceptible species, the criteria for selective breeding should be made based on the inhibition factors of symptom development. Migr...
Preferential Migration of Transferred Primordial Germ Cells to Left Germinal Ridge of Recipient Embryos in Chickens
chicken germinal ridge migration primordial germ cell
2009/7/29
Chicken primordial germ cells (PGCs) circulate in the bloodstream and migrate to germinal ridges.In order to assess the migration frequencies of PGCs to left or right germinal ridges, PGCs were transf...
专著信息
书名
Effects of microbes and their carbonic anhydrase on Ca2 and Mg2 migration in column-built leached soil-limestone karst systems.
语种
英文
撰写或编译
作者
Wei Li,Long-jiang Yu,Qiu-fang He,Yun Wu,Dao-xia...
STUDY OF MIGRATORY STURGEON CAPTURES IN ROMANIAN SIDE OF DANUBE RIVER MIGRATION OF FISHES IN ROMANIAN DANUBE RIVER, № 3
marine sturgeons migration capture dynamics stocks protection
2010/3/23
Study of fish captures could bring out valuable information on tendencies in stocks dynamics as well as on the level of “fishing pressure” on natural fish population. Decreasing amount of annual captu...
MIGRATION OF FISHES IN ROMANIAN DANUBE RIVER (Nº 1)
migration fish capture dynamic Danube fulton factor protection
2010/3/23
Present review paper tries to show the main aspects of migration of fishes in Romanian sector
of Danube River. The Danube River has a large hydrographical basin, being the second largest river in Eur...
BIOLOGICAL ASPECTS OF MAIN MARINE MIGRATORY STURGEONS IN ROMANIAN DANUBE RIVER MIGRATION OF FISHES IN ROMANIAN DANUBE RIVER, № 4
Danube River migratory sturgeons biology migration biometric data
2010/3/24
Marine migratory sturgeons form one of the most valuable fish population of the Lower Danube
River ecosystem and are also extremely important for the economy of Romania and some other riverside count...
STRUCTURE OF DANUBE SHAD (Alosa pontica Eichwald, 1838)SPAWNER FLOCKS MIGRATING FOR REPRODUCTION IN DANUBE RIVER(MIGRATION OF FISHES IN ROMANIAN DANUBE RIVER No 2)
Danube shad Migration Captures Stocks structure
2010/3/23
The main purpose of this paper is to actualize last data on Danube shad (Alosa pontica Eichwald,1838) migration process in Danube River. This species was widely studied last time in Danube River, but ...