Estimasi Perubahan Tinggi dan Luas Muka Air Danau Toba serta Nilai Jasa Ekosistem Daerah Aliran Sungai = Estimation of Changes in The Lake Water Level and Surface Area of Lake Toba with Watershed Ecosystem Services Value.

Pengembangan model asesmen kesehatan Daerah Aliran Sungai (DAS) sebagai dasar perencanaan pengelolaan DAS: studi kasus di Das Provinsi Lampung = The development of the watershed health assessment modelling for the basis of the watershed management planning: the case study of the watershed in Lampung Province

Penurunan cadangan karbon di kawasan hutan DAS Semangka, Provinsi Lampung = Decrease of carbon stocks in forest areas Watershed Semangka, Lampung Province

Pengelolaan perikanan tangkap rajungan (portunus pelagicus) dengan pendekatan ekosistem di Teluk Banten (suatu kajian pengelolaan perikanan tangkap rajungan di Desa Banten, Kec. Kasemen, Kota Serang, Provinsi Banten = Blue swim crab (portunus pelagicus) fishery management with ecosystem approach in Banten bay (a study in Banten Village, Kasemen District, Serang City, Banten Province / Hedia Susiani

Mampukah Anggaran Mengendalikan Deforestasi di Kawasan Konservasi = Can Government Spending Control Deforestation in Protected Areas