Consequences of Repeated Defoliation on Belowground Bud Banks of Carex brevicuspis (Cyperaceae) in the Dongting Lake Wetlands, China.

摘要: Despite the predominant role of bud banks in regeneration clonal macrophyte populations, few studies have examined way which macrophytes adjust demographic features to regulate population dynamics response defoliation wetlands. We investigated density and composition under repeated wetland sedge Carex brevicuspis C. B. Clarke Dongting Lake wetlands, China. The biomass rhizome buds shoots did not decrease significantly over two consecutive years. banks, consisted long short buds, also change defoliation. Nevertheless, ramet height shoot, root, mass declined Our findings suggest that are a conservative reproductive strategy enables tolerate certain amount maintenance large after may enable populations regenerate persist disturbed habitats. However, bank might decline term because carbon stored plants is reduced by frequent