Soil Seed Bank Dynamics in Forest Ecosystems
Summary
The soil seed bank represents a latent reservoir of viable seeds within forest soils, playing a central role in regeneration, resilience and long‐term community composition. Dynamics of this reservoir are governed by inputs from current vegetation via seed rain, losses through germination and predation, and processes of seed persistence influenced by dormancy mechanisms and soil microhabitat. In intact primary forests, seed banks often exhibit low density but high species diversity with a dominance of small‐seeded herbaceous and pioneer taxa. Secondary and disturbed forests tend to harbour larger and more transient seed banks, reflecting recent propagule influx from early‐successional species. Temporal fluctuations are driven by seasonality—wet seasons promote seed decay and germination, while dry periods enhance dormancy and persistence. Spatial heterogeneity arises from canopy structure, litter cover and soil texture, creating microsites that vary in moisture, light and predator access. Globally, soil seed banks buffer biodiversity against episodic disturbances such as fire, logging or fragmentation, serving as a natural insurance policy for forest recovery. Furthermore, they underpin passive restoration strategies and inform assisted regeneration by indicating the local repertoire of recruitable species. Emerging research underscores the links between seed‐bank composition and broader ecosystem services, including carbon sequestration and habitat connectivity, as well as the role of invasive species seeds in altering successional pathways.
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Soil Seed Bank Dynamics in Forest Ecosystems publication trend
The graph below shows the total number of articles in soil seed bank dynamics in forest ecosystems across all publications each year (not limited to Nature Index journals).
Technical terms
Soil seed bank: Viable seeds stored in the soil that contribute to future plant recruitment.
Propagule: Any material (seed, spore) capable of giving rise to a new plant individual.
Successional stage: Phases of ecological recovery following disturbance, marked by distinct species assemblages.
Seed dormancy: A reversible state in which seeds are prevented from germinating under conditions otherwise favourable for growth.
References
- In Site Soil Seed-Banks: Size, Composition and Persistence across Tropical Successional Stages. Plants (2023).
- A global database of soil seed bank richness, density, and abundance. Ecology (2024).
- Significance of Soil Seed Bank in Forest Vegetation—A Review. Seeds (2022).
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