Seawalls offer several environmental benefits primarily related to preventing erosion and protecting the shoreline ecosystem.
Based on the provided information, seawalls contribute to environmental protection by preventing damage caused by coastal processes. Their main benefits stem from their role in shoreline stabilization.
Preventing Erosion and Protecting Soil
One of the primary environmental advantages highlighted is the reduction and prevention of erosion on the shoreline. Erosion can lead to significant loss of coastal land and habitat. By creating a barrier, seawalls help to hold the shoreline in place.
Specifically, the reference states that seawalls prevent damage to the soils along the coast. This soil protection is crucial because healthy coastal soils support vegetation and form the base for various coastal ecosystems. Preventing soil loss helps maintain the integrity of the immediate shoreline environment.
Protecting the Environment
More broadly, seawalls are described as a means to prevent damage to the environment. While the reference doesn't elaborate on specific environmental components protected beyond soil, preventing erosion and flooding on the shoreline inherently safeguards the habitats and ecological processes present in that zone from the destructive forces of waves and storms. This protection can indirectly benefit coastal ecosystems that would otherwise be degraded by constant erosion and inundation.
In summary, the environmental benefits mentioned are directly linked to the seawall's function as a protective barrier:
- Reduced Erosion: Seawalls reduce and prevent erosion along the shoreline.
- Soil Protection: They prevent damage to the soils.
- Overall Environmental Protection: They prevent damage to the environment in the area they protect.
These actions contribute to maintaining a stable shoreline, which is beneficial for the immediate coastal land and its associated environmental elements as described in the reference.