Linked from

The 65 pages that link to Photoperiodism, each with the reason it gives.

• NocturnalityRelated: Seasonal changes in daylight can alter when nocturnal animals reproduce or forage.

• PhenologyRelated: Day length can cue flowering, dormancy, and migration independently of short-term weather.

• Polar nightRelated: Polar night imposes an extreme seasonal light cue on polar organisms.

• SeasonalityRelated: Changing day length synchronizes seasonal growth, reproduction, and behavior.

• Annual plantRelated: Day length can cue flowering and help annuals time reproduction.

• Growing seasonRelated: Day length can trigger flowering or dormancy even when temperatures permit growth.

• Seasonal affective disorderNarrower topic: It provides a broader biological framework for responses to seasonal light variation.

• BulbRelated: Day length helps regulate seasonal growth and flowering in many bulb-forming plants.

• DeciduousnessRelated: Changing day length helps time autumn leaf senescence and shedding in many species.

• Seasonal migrationRelated: Changing day length helps trigger migration in some species.

• Arctic foxRelated: Seasonal coat changes are associated with the Arctic's shifting daylight cycle.

• Arabidopsis thalianaRelated: Arabidopsis helps reveal how seasonal day length controls flowering.

• TaigaRelated: Seasonal day length helps taiga plants time growth and dormancy.

• Day lengthRelated: Plants and animals use seasonal daylight changes to time growth, reproduction, and migration.

• DeerRelated: Changing daylight helps time deer antler cycles and reproductive activity.

• Temperate deciduous forestRelated: Day length helps trees time dormancy and leaf production across the seasons.

• White-tailed deerRelated: Changing daylight helps time breeding and antler growth.

• Crepuscular animalRelated: Seasonal changes in daylight can shift when crepuscular activity occurs.

• PhototaxisCompared with: It responds to light schedules rather than steering movement along a gradient.

• AntlerRelated: Changing day length helps time antler growth and shedding through seasonal hormone shifts.

• Diurnal animalRelated: Seasonal changes in daylight can shift activity and reproduction.

• FloricultureRelated: Manipulating day length can induce or delay flowering in many ornamental crops.

• Norman BorlaugRelated: Borlaug selected wheat that could flower across different day lengths and growing regions.

• Deciduous treeRelated: Changing day length can help trigger autumn leaf senescence and dormancy.

• DiapauseRelated: Day length often signals seasonal change early enough to induce diapause.

• VernalizationRelated: Many plants require both winter cold and a suitable day length before flowering.

• Deciduous plantRelated: Changing day length helps trigger autumn leaf senescence and shedding.

• Egg productionRelated: Light schedules influence reproductive activity and laying rates in commercial flocks.

• PopulusRelated: Day length regulates seasonal growth and dormancy in many Populus species.

• QuinoaRelated: Day length influences quinoa flowering and helps determine which regions suit particular varieties.

• Deciduous forestRelated: Day length helps many trees time autumn growth cessation and leaf senescence.

• HyperphagiaRelated: Seasonal day-length cues can initiate appetite and fattening changes in animals.

• ScallionRelated: Day length influences bulb formation in many cultivated onions.

• TurnipRelated: Day length affects when turnips shift from vegetative growth toward flowering.

• CeleryRelated: Day length can influence celery's flowering and seed production.

• DaphniaRelated: Day length can help cue Daphnia to switch toward sexual reproduction and resting-egg production.

• LightRelated: Light duration cues seasonal flowering, reproduction, and other life-cycle changes.

• Temperate broadleaf and mixed forestsRelated: Day length helps regulate seasonal transitions in trees and other forest organisms.

• AutumnNarrower topic: Changing day length cues many autumn events, including dormancy and migration.

• Cannabis sativaRelated: In many cannabis varieties, changing day length helps trigger flowering.

• Snowshoe hareRelated: Day length helps trigger the hare’s seasonal molt, even when snow conditions vary.

• Spring (season)Related: Many plants use spring’s lengthening days to time flowering and growth.

• LarchRelated: Changing day length helps coordinate larch growth and autumn dormancy.

• StoatRelated: Day length helps time the stoat’s seasonal molt.

• Arctic ternRelated: Seasonal daylight shifts help time migration and breeding across polar regions.

• Acer rubrumRelated: Changing day length helps regulate seasonal processes such as leaf senescence and dormancy.

• Cannabis indicaRelated: Day length influences flowering schedules in many cannabis cultivars classified as indica.

• Cannabis ruderalisNarrower topic: It explains the day-length cues that ruderalis flowering largely bypasses.

• IpomoeaRelated: Day length can regulate flowering in some cultivated Ipomoea species.

• Nelumbo nuciferaRelated: Day length helps regulate flowering and seasonal growth in lotus cultivation.