Semarang (June 1st, 2022)-Mangroves have many benefits that are directly related to human life on land, ranging from ecological benefits to being a source of medicine and food. The city of Semarang is one of the cities that has the potential for mangrove forests in Indonesia. The total area of mangrove forests in Semarang City is 268.76 hectares. The mangrove ecosystem in Mangunharjo Village is known to have increased significantly from 19.78 Ha to 68.47 Ha in 2012-2017. The most abundant mangrove species in Mangunharjo Village is Rhizophora mucronata.

Indonesia is experiencing the second wave of the Covid-19 pandemic. Various regions in Indonesia have felt the ferocity of the Covid-19 pandemic. The government is trying to intensify various policies that can be implemented in the community to overcome the increasingly massive spread of Covid-19. The FPIK Community Service Team in Mangunharjo Village invites people to stay productive at their respective homes despite the Covid-19 pandemic. One of them is by making processed mangrove products that are made into nori to be traded later. The socialization process is carried out by complying with the health protocol process. Socialization is assisted by media posters and health videos containing short material so that it is easy to understand.

Socialization activities in the form of an explanation of what nori is, nori can be used for any food, why it is necessary to make nori, the selling value of nori, the tools and materials needed, and how to make it. The media used are posters containing the introduction of nori, leaflets containing materials and methods of making nori, and also equipped with modules to be stored and re-read. During the socialization process with a limited time, the community was enthusiastic to know about how to make nori from mangrove leaves by asking several questions such as “Mangunharjo Village gets knowledge that can be used to help the economy during the Covid-19 pandemic.