Story Prenjak about Tread and Mangrove

Story Prenjak about Tread and Mangrove

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Since the 1990s Tapak residents, Tugurejo Village, Tugu Sub-district, Semarang City have environmental problems. The villages located on the north coast coastal abrasion, the intrusion that causes the well water to be brackish, flood and pollution of Kali Tapak by industrial waste coming from factories in the upper watershed Tapak.

Environmental problems have a negative impact on the socio-economic conditions of Tapak residents who are mostly farmers ponds. Their pond land is damaged by abrasion, salinity, pollution by industrial wastewater, and flooding. As a result, the original productive pond could barely produce at all.

Coping strategy to save the environment

Concerned about the environmental conditions of his village, the locals sought to save the environment. Driven by the Tambak Tapak Sido Rukun Farmer Group and the environmentally careful youth association Tapak who call themselves PRENJAK they are doing environmental conservation efforts. There are 2 main programs that they do, namely the making of APO (waves breaking tool) and mangrove planting along the coastal village and the edge of Kali Tapak.

Wave Breaker (APO)

APO is made from a pile of used car tires tied to one another, filled with sand and then tied to a bamboo pole / wood. APO serves as a wave holder to reduce coastal abrasion.


Mangrove plants are also called mangroves or nyamplung. In Tapak there are 2 types of mangrove planted, namely Avicennia marina and Rhizophora mucronata. This mangrove planting is an attempt to prevent coastal abrasion. Mangrove plants also serve as a water pollution biofilter because it has the ability to accumulate heavy metals derived from industrial waste water.

Tread now

After about 2 decades Tapak residents struggling to save their environment, now they can start to breathe. Mangrove forests in Tapak are gradually able to support their lives, ecologically, economically, and educationally.


Tread now no longer hot sting, the air is cooler. Coastal shoreline successfully detained by APO and mangrove forest and flood no longer hit the Tread. Residents also have no trouble getting clean water because of reduced salinity. This condition raises biodiversity in mangrove forests, among others various kinds of birds start coming and living there. Mangrove forest ecosystems also provide abundant food for various biota water such as fish, shrimp and crabs that can be harvested residents.


Pond land can be conserved and productive again. In addition to farming ponds, fishermen and fish processors, there are other business opportunities for Tapak residents. The mangrove forest area Tread is now transformed into an eco-edu tourism area. Eco-edu tourism mangrove forest not only provides for the shade of the forest but also provides environmental education programs, where tourists will gain knowledge about environmental conservation and mangrove planting practices. Residents take advantage of the economic opportunities of eco-edu tours by renting boats, making crafts and snacks made from mangroves and even now they are beginning to learn how to make batik using natural dyes from mangroves.


The mangrove forest area Tapak plays an important role in the world of education, because it becomes a natural laboratory where research from various perspectives can be done.

Hopefully what the Tapak villagers do can be an inspiration to us. If we treat nature around us well, nature will repay it by giving us good for us.

Greetings go green!



Arifin – the head of PRENJAK Tapak

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