Reproductive rowth Life Cycle of Seeds Higher Plants Vegetative Growth Germination
光周期 photoperiod de SHORT-DAY (LONG-NICHT) PLANT - LONG-DAY(SHORT-NICHT)PLANT
光周期 photoperiod
春化 vernalization A model for the control of flowering in barley by vernalization and photoperiod Ppd-Hf(Long photoperiod 16 promotes flowering ※ 10 8 prevent flowering Ppo-H2 (Short photoperiod In autumn suppresses flowering Winter no vemalization Weak Ppd-Hf effect requirement delays flowering
春 化 vernalization
by lighting weathering of rocks Scavenger helps breakdown soil bacteria break down organ Water lost by material releasing percolation to deeper layer nutrients and co ater(run off, evaporation ENVIRONMENTAL RESOURCES Solar energy percolation) A Minerals(leaching, run off Energy. CO,. H, O, Minerals Minerals PRIMARY PRODUCERS DECOMPOSERS Green vegetation Saprophytes(fungi) (tree, grass Scavengers(vulture) Soil bacteria Cycled within ecosystem 1ST LEVEL UMERS 2ND LEVEL CONSUMER (giraffe, gazelle, (lion, fish eagle)
沙丘生境 林下生境
林下生境 沙丘生境