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Penelitian ini bertujuan untuk menganalisis pengaruh kepemimpinan yang melayanai dan motivasi intrinsik terhadap kinerja karyawan baik secara langsung maupun melalui Organizational Citizenship Behavior pada karyawan PT. Deltamarga Adyatama Semarang. Populasi pada penelitian ini adalah seluruh seluruh karyawan PT. Deltamarga Adyatama Semarang, ukuran jumlah sampel yang digunakan sebesar 107 responden, dengan teknik pengambilan sampel menggunakan metode sensus atau sampel jenuh. Sumber data yang digunakan data primer, dengan metode pengumpulan data kuesioner. Teknik analisis yang digunakan adalah analisis jalur dan uji sobel. Hasil analisis penelitian diperoleh kepemimpinan yang melayani dan motivasi intrinsik berpengaruh positif dan signifikan terhadap Organizational Citizenship Behavior. Kepemimpinan yang melayani, motivasi intrinsik, dan Organizational Citizenship Behavior berpengaruh positif dan signifikan terhadap kinerja karyawan. Hasil uji mediasi menyatakan bahwa variabel Organizational Citizenship Behavior dapat memediasi pengaruh kepemimpinan yang melayani terhadap kinerja karyawan, serta Organizational Citizenship Behavior dapat memediasi pengaruh motivasi intrinsik terhadap kinerja karyawan.

The characteristics of coastal plants in the form of river estuaries, estuaries, and deltas in protected areas in the sub-tropics and tropics are the notions of mangrove plants. It can be concluded that mangrove plants are ecosystems that exist between sea and land with conditions in the form of productive and extensive forests. Mangrove plants are also often called coastal forests, mangrove forests, brackish forests, tidal forests because mangrove plants live near the coast and have an important role in their ecological value to support coastal development activities and marine conservation. This research aims to find out the benefits and functions of mangroves, the types of mangroves, the meaning of mangroves, their role in overcoming some of the existing problems, as well as the differences before and after the planting of mangroves on the coast of Sine Tulungagung. This research method uses qualitative data which is a method for collecting and conducting observations, interviews, documentation, and analysis of various documents such as written documents, namely various journal reference sources and others in a descriptive way.