Role of the Soil Seed Bank during Succession in a Subalpine Meadow on the Tibetan Plateau

摘要: Abstract We studied the seed bank of abandoned fields in four successional stages (habitat A: 1 year; habitat B: 10 years; C: 20 and D: mature meadow) eastern Tibetan Plateau. The density banks decreased with age, but species richness diversity increased, highest appeared C. Similarity between vegetation gradually succession whole. is more similar to shallow layer than deeper soil, which shows that contributes less as soil depth increases. was mainly composed first during whole range. Species later contributed little bank. Most from early stage produced longer-lived seeds, stayed viable for a long period (more years). Hypo...