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Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Lecture catalog / Research summary > Glossary > Stress
Cannon WB (1871-1945, physiologist)
firstly proposed stress for medical term Seyle H (1907-1982, endocrinologist)
defined the characteristics
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[ water stress ] → habitat partitioning |
Chilling injury (冷害)any damages to plants caused by temperatures above the freezing point (0°C)Freezing injury (凍害)freeze damage occurs during an advection freezefrost damage occurs during a radiation freeze these two injuries are closely related → the formation of ice crystals in plant tissues, dehydrating cells and disrupting membranesSnow injury (雪害)Relationships between broad-leaved trees and coldnessDamages induced by coldness → the migration of broad-leaved trees is limited |
Difficulties in plant establishment in relation to cold tolerance
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1. physiological tolerance 2. morphological tolerance (resistance) |
Def. the negative impact of increased salinity on the plants (or organisms) establishing in an environment Def. Viviparous seed (胎生種子): germinating while still attached to the parent plant Ex. mangrove trees |
Halophytes (塩生植物): plants that tolerate or thrive in salty conditions, i.e., salt tolerant plants Salt damage (塩害): |