Based on the data collected above, the discussion of manmade structures on natural environment is discussed here. Recommendations are made for stopping coastal degradation.
In terms of the Hong Kong Container environment, there are already natural environment contamination issues because of the fuel being used in the shipping containers. It is presented in many media articles that Kwai Chung and the container port being discussed in this work have fallen into a contaminated state because of the use of less clean fuel fluids. Work is being done to use much cleaner fluid. The shipping container area was cited to be one of the biggest sources of Sulphur dioxide furthermore. Hence, it is not just shoreline ecosystems that are affected by the increasing levels of Sulphur. With anti-pollution mandates going into effect, the ports were able to reduce down to 24 hour averages of 12 micrograms in Sulphur dioxide contamination (Kao, 2015). The ship-owners make use of the container area mainly and are switching to marine fuel which is cleaner with just 0.5 per cent Sulphur, and much of the contamination issues are solved (Kao, 2015).
Manmade structures such as the Hong Kong container structures and the manmade structures identified along the Californian coast line could lead to weakening of the slope in the shoreline. It has been identified that such manmade structures lead to a gradual general decline in the strength of the shoreline. Now there is a strong need to protect the coast because of diverse reasons. Primarily, the coastal area is like a safety feature of the people living near the ocean. Armoring shorelines, such as the Pacific highway in the case of California, would be a way for people to reach the different natural tourist spots, however, these forms of manmade structures lead to direct erosion of the rugged landscapes. Rugged landscapes support many microorganisms.
It presents a form of barrier to people as it protects them from the turbulent nature of the sea. Shorelines vegetation and more are protected from the leeching properties of the sea because of a strong shoreline. In turbulent weather conditions, it is observed that the beach, the sand dunes and more will present a buffering effect. Secondly, coastal zones where manmade structures are built might not necessarily be an organic rich ecosystem. However, there are many forms of ecosystem imbalance and connections that researchers still have not established. It clearly means that disturbances even in a less ecologically rich zone would still have consequences.
There are economic activities associated with the environment such as the beach, rocks and cliffs etc. Many activities like boating, fishing and swimming happen along this stretch. In Hong Kong as well as the Californian example, it could be said that this is a major economic impact. It is estimated that in Northern American beaches, around 180 billion visitors are tourists to shorelines. They find it a recreational place that is both aesthetic and economical to them. It is not just tourists. Even people from different states come to shore scenic locations in search of a job. Around 13.3 million of people as estimated in 2010 live on the shorelines. An 8 per cent increase in this is expected around 2020. Therefore, at least 21.3 million people could live on the shorelines dependent on the shorelines at 2020.