**Eight Consecutive Years of Green Tide in the Yellow Sea: A Growing Environmental Concern**
For eight years in a row, the Yellow Sea has experienced large-scale green tides caused by *Enteromorpha* (commonly known as sea lettuce). This recurring phenomenon has become a familiar sight for coastal residents, who are now accustomed to the strong odor of seaweed on the shore and the sight of workers collecting it for disposal or reuse. While some of the algae is turned into feed or fertilizer, this "waste-to-treasure" approach highlights the underlying issue: human activity is fueling the growth of these algae blooms.
The environmental protection department and the marine sector often operate in silos, creating a gap in responsibility. The phrase “the environmental protection department does not go to the sea and the marine sector does not go ashore†reflects the challenge of managing pollution that originates from land but affects the ocean. Over 80% of marine pollution comes from land-based sources, including industrial waste, agricultural runoff, and sewage. However, the lack of coordination between agencies makes it difficult to effectively monitor and control these pollutants.
Recent reports show that the green tide has spread across the Bohai Sea and northern Yellow Sea, covering approximately 310 square kilometers. It is moving northward along the Shandong coast, reaching areas near Rizhao and Qingdao. This is the eighth time since 2007 that such an event has occurred, impacting tourism and aquaculture industries in the region.
Experts warn that the frequent occurrence of green and red tides is a clear signal of ecological imbalance. Red tides, caused by harmful microalgae, are also linked to excessive nutrient discharge from land. In 2013 alone, 13 red tides were recorded in the Bohai Sea, affecting over 1,880 square kilometers. These events are not just natural occurrences; they are symptoms of human-induced pollution.
Oil spills also pose a serious threat to marine ecosystems. Major incidents, such as the 2010 Dalian oil pipeline explosion and the 2011 Penglai 19-3 oil spill, have caused extensive damage. These accidents highlight the need for better regulation and prevention strategies. The Bohai Sea, being semi-enclosed, struggles to recover quickly from such pollution, leading to long-term ecological consequences.
Experts emphasize the urgent need for a unified and coordinated management system to address marine pollution. They call for improved legal frameworks, stricter enforcement, and better cooperation between different sectors. The current Marine Environmental Protection Law, last revised in 1999, lacks updated provisions for addressing modern challenges like oil spills and ecological damage.
As the problem persists, it's clear that without significant changes in policy and public awareness, the health of China’s marine environment will continue to deteriorate. The ocean is sending warnings—both through green tides and oil spills—and it’s time for action.
Soft Close D Shape Toilet Seat
A D-shaped Toilet Seat is a specially designed toilet seat that is usually used in conjunction with a D-shaped toilet.The design of the D-shaped toilet seat has been optimised from the traditional toilet seat to better fit the shape of a D-shaped toilet, thus providing a better user experience.
One of the advantages of the D-shaped toilet seat is its larger coverage area, which helps provide better privacy and comfort. In addition, some high-end D-shaped toilet covers are equipped with smart features such as automatic deodorisation, dual-airway drying and automatic flushing, which further enhance ease of use and comfort.
In terms of material, D-shaped toilet seat can be made of a variety of materials, including urea-formaldehyde material and density board material. Each of these materials has its own characteristics, with urea-formaldehyde material being hard and resistant to wear and tear, while density board material has a smooth surface and is easy to process. Consumers can choose the right material according to their needs and budget.
It should be noted that, because the shape and size of the D-type toilet seat is more special, so when you buy it, you need to make sure that it matches perfectly with the D-type toilet at home.
Overall, the D-shaped toilet seat is a design that combines comfort and practicality, and is suitable for families with high demands on quality of life. When making a choice, consumers should make comprehensive considerations in conjunction with their needs and usage environment in order to select the most suitable product for them.
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