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A new study by scientists at the Cornell Lab of Ornithology and other institutions confirms that most birds -- but not all -- synchronize their migratory movements with seasonal changes in v...
云南师范大学商学院英语阅读课件 Migratory Birds and Coffee。
Stronger and more frequent hurricanes may pose a new threat to the sooty tern, an iconic species of migratory seabird found throughout the Caribbean and Mid-Atlantic, a new Duke University-led study r...
Fly-over states matter when understanding–and saving-migratory birds
Fly-over states matter saving-migratory birds
2017/3/30
Around the world, thousands of migratory animals travel hundreds or even thousands of miles each year. The journey of migratory animals is more important than their destination. Scientists use the end...
University of Utah biologists working in Turkey discovered two surprising facts about a group of 16 brown bears: First, six of the bears seasonally migrated between feeding and breeding sites, the fir...
Shp2 deletion in post-migratory neural crest cells results in impaired cardiac sympathetic innervation
Shp2 pERK Bradycardia
2015/5/25
Autonomic innervation of the heart begins in utero and continues during the neonatal phase of life. A balance between the sympathetic and parasympathetic arms of the autonomic nervous system is requir...
Migratory dynamics of cyathostomin larvae in a Bermuda grass pasture in South America
Keywords:Cyathostominae infective larvae irrigation seasons
2015/4/15
Studies of the migratory dynamics of cyathostomin infective larvae (L3) in different seasons and with two types of irrigation were carried out over 12 months (September 2006 to September 2007) in the ...
THE APPLICATION OF CENTROGRAPHIC ANALYSIS TO THE STUDY OF THE INTRA-URBAN MIGRATORY PHENOMENON IN THE GREATER MONCTON AREA IN CANADA, 1981-1996
CENTROGRAPHIC ANALYSIS THE INTRA-URBAN MIGRATORY PHENOMENON GREATER MONCTON AREA IN CANADA
2015/3/13
THE APPLICATION OF CENTROGRAPHIC ANALYSIS TO THE STUDY OF THE INTRA-URBAN MIGRATORY PHENOMENON IN THE GREATER MONCTON AREA IN CANADA, 1981-1996.
Neurofibromin-deficient Schwann cells secrete a potent migratory stimulus for Nf1+/– mast cells
neurofibromin Schwann cells mast cells
2014/12/12
The NF1 tumor suppressor gene encodes a GTPase-activating protein called neurofibromin that negatively regulates Ras signaling. Mutations in NF1 cause neurofibromatosis type 1 (NF1). The development o...
Presence and Prevalence of Viruses in Local and Migratory Honeybees (Apis mellifera) in Massachusetts
Presence Viruses Migratory Honeybees
2014/12/4
Migratory and local bees in Massachusetts were analyzed for seven viruses. three were detected: black queen cell virus (BQCV), deformed wing virus (DWV), and sacbrood virus (SBV). DWV was most common,...
Distribution Patterns of Migratory Striped Bass in Plum Island Estuary, Massachusetts
distribution tagging Massachusetts migration
2014/11/5
This is the first study to assess how the coastal migratory stock of striped bass (Morone saxatilis) uses non-natal New England estuaries during their foraging migration. Using hydroacoustic telemetry...
Distribution Patterns of Migratory Striped Bass in Plum Island Estuary, Massachusetts
tagging Massachusetts migration
2014/10/22
This is the first study to assess how the coastal migratory stock of striped bass (Morone saxatilis) uses non-natal New England estuaries during their foraging migration. Using hydroacoustic telemetry...
An Evaluation of Life Satisfaction within the Migratory Experience According to Psychosocial Variables
Immigration Life Satisfaction Assimilation of Host Culture Social Support Retention of Original Culture
2013/2/21
This study attempts to discover which psychosocial variables effect whether a displaced person evaluates their migratory experience and their life in the new context as positive. The psychosocial vari...
The Migratory Ability of Gonadal Germ Cells in the Domestic Chicken
germ cells migratory ability germline chimera chicken
2009/7/31
The migratory ability of germ cells collected from gonads at different stages of embryonic development was investigated in the domestic chicken.
In Experiment 1, primordial germ cells (PGCs) were col...
Effects of Ultraviolet Irradiation on the Migratory Ability of Primordial Germ Cells (PGCs) in the Domestic Chicken
UV irradiation PGCs Migratory ability embryo chicken
2009/7/31
The effect of ultraviolet (UV) irradiation on the ability of primordial germ cells (PGCs) to migrate toward the gonadal ridge was investigated in the domestic chicken.
When PGCs were irradiated with ...