WebMigration. This is the regular, repeated mass movement of animals for breeding or avoidance of climatic extremes. Usually over longer distances and longer periods of time. Usually annually or once in a lifetime. Cues that tell an organism when to migrate may include: maturation of sex organs, environmental cues (temp, position of stars, etc) or ... Web27 jan. 2014 · ABSTRACT: Salmon have precise abilities to migrate long distances from the ocean to their natal streams for reproduction. Using chum salmon Oncorhynchus keta in …
Physiological mechanisms of imprinting and homing migration in …
Web8 sep. 2024 · In most areas of Japan, Russia, and North America, 4-year-old salmon make up the bulk of the returning population (50–90%) (Salo 1991 ). The initiation of gametogenesis (sexual maturity) is one of the most powerful cues triggering the start of the homing migration in chum salmon (Ueda 1998 ). WebLeveraging their innate tumor tropism, engineered NSCs have been shown to migrate through the brain, homing to tumor foci and delivering therapeutic payloads to induce effective tumor killing. Recently, the emergence of advanced cell reprogramming technology has led to the generation of induced NSCs (iNSCs). new metv shows
Geomagnetic imprinting predicts spatio-temporal variation in homing …
Web1 jan. 1996 · Homing migrations often begin thousands of kilometers from the mouth of the home river and, for some populations, in-river migrations back to their natal site may be as long as the ocean migration. These diverse marine and freshwater habitats provide distinct sets of orientation clues and pose distinct challenges for orientation. WebThe project – HOMInG: THE HOME-MIGRATION NEXUS The project Home, a simple and complex notion which seems to be constitutive of the human experience, is a noun. … WebMost usages of homing in social sciences fall in mobility and migration studies, especially in qualitative research on identity, home, and belonging. 4 In return migration studies, for instance, homing may designate the affective experience of returnees striving to reconnect with an ancestral and remote homeland (King and Christou Citation 2011; Jo Citation 2024). new metro tyne and wear