DAFTAR ISI
PERNYATAAN ..................................................................................................... ii KATA PENGANTAR .......................................................................................... iii DAFTAR TABEL ............................................................................................... vii DAFTAR GAMBAR .......................................................................................... viii INTISARI ............................................................................................................. ix ABSTRACT ............................................................................................................x BAB I PENDAHULUAN .......................................................................................1 1.1
Latar Belakang .......................................................................................... 1
1.2
Perumusan Masalah .................................................................................. 5
1.3
Tujuan Penelitian ...................................................................................... 7
1.4
Manfaat Penelitian .................................................................................... 7
BAB II TINJAUAN PUSTAKA ...........................................................................8 2.1. Penggunaan Lahan .................................................................................... 8 2.2. Daerah Aliran Sungai (DAS) .................................................................... 9 2.3. Penataan Ruang....................................................................................... 10 2.4. Sedimentasi ............................................................................................. 14 2.5. Keterkaitan Perubahan Penggunaan Lahan terhadap Sedimentasi ......... 20 2.6. Kerangka Pemikiran................................................................................ 21 2.7. Hipotesis Penelitian ................................................................................ 22 2.8. Keaslian Penelitian.................................................................................. 23 BAB III METODE PENELITIAN .....................................................................32 3.1. Tahapan Sebelum Lapangan................................................................... 32 3.2. Tahapan Lapangan ................................................................................. 35 3.3. Tahap Setelah Lapangan ........................................................................ 35 3.4. Batasan Operasional ............................................................................... 39 BAB IV GAMBARAN WILAYAH STUDI ......................................................40 4.1. Karakteristik Fisik DAS .......................................................................... 40 4.2. Karakteristik Non Fisik DAS .................................................................. 44
4.3. Kebijakan Penggunaan Lahan................................................................. 46 BAB V PEMBAHASAN ......................................................................................59 5.1. Penggunaan Lahan DAS ......................................................................... 59 5.1.1. Perubahan Penggunaan Lahan DAS ............................................ 66 5.1.2. Pola Perubahan Penggunaan Lahan DAS ................................... 70 5.2. Perubahan Penggunaan Lahan DAS terhadap RTRW ............................ 72 5.3. Sedimentasi Sebagai Dampak Perubahan Penggunaan Lahan DAS ...... 80 5.3.1. Pemantauan Sedimentasi Secara Matematis ............................... 80 5.3.2. Pemantauan Sedimentasi Secara Spasial .................................... 82 5.3.3. Dugaan Penyebab Sedimentasi ................................................... 92 5.4. Rekomendasi Arahan Fungsi Penggunaan Lahan DAS.......................... 96 BAB VI KESIMPULAN DAN SARAN ...........................................................101 6.1. Kesimpulan
101
6.2. Saran
102
DAFTAR PUSTAKA .........................................................................................103
DAFTAR TABEL
Tabel 1.1 Pemantauan Sedimen oleh Balai PSDA Progo Bogowonto Luk Ulo ................................................................................ Error! Bookmark not defined. Tabel 1.2 Kondisi Sungai Wilayah Balai PSDA Progo Bogowonto Luk Ulo Error! Bookmark not defined. Tabel 1.3 Sedimentasi di WS Serayu Opak ........... Error! Bookmark not defined. Tabel 1.4 Permasalahan Tiap Sub DAS di DAS Bogowonto ..... Error! Bookmark not defined. Tabel 2.1 Index Lindung Lingkungan .................... Error! Bookmark not defined. Tabel 2.2 Penelitian Sebelumnya ........................... Error! Bookmark not defined. Tabel 3.1 Jenis dan Sumber Data ........................... Error! Bookmark not defined. Tabel 3.2 Variabel Penelitian ................................. Error! Bookmark not defined. Tabel 3.3 Teknik Analisis Data.............................. Error! Bookmark not defined. Tabel 4.1 Topografi DAS Bogowonto ................... Error! Bookmark not defined. Tabel 4.2 Jenis Tanah di DAS Bogowonto ............ Error! Bookmark not defined. Tabel 4.3 Jenis Batuan di DAS Bogowonto .......... Error! Bookmark not defined. Tabel 4.4 Data Curah Hujan Rata-rata Tiap Sub DAS di DAS Bogowonto.. Error! Bookmark not defined. Tabel 4.5 Jumlah Penduduk DAS Bogowonto ...... Error! Bookmark not defined. Tabel 4.6 Rencana Pola Ruang RTRW Kabupaten Wonosobo .. Error! Bookmark not defined. Tabel 4.7 Kebijakan Strategi Kawasan Lindung Budidaya Kabupaten Magelang ................................................................................ Error! Bookmark not defined. Tabel 4.8 Rencana Pola Ruang RTRW Kabupaten Purworejo ... Error! Bookmark not defined. Tabel 4.9 Rencana Pola Ruang RTRW Kabupaten Kulonprogo Error! Bookmark not defined. Tabel 5.1 Jenis Penggunaan Lahan DAS Bogowonto Tahun 1990 dan 2014 Error! Bookmark not defined.
Tabel 5.2 Perubahan Penggunaan Lahan DAS Bogowonto. Error! Bookmark not defined. Tabel 5.3 Matrik Perubahan Penggunaan Lahan DAS Tahun 1990-2014 ..... Error! Bookmark not defined. Tabel 5.4 Pola Perubahan Penggunaan Lahan DAS Bogowonto Error! Bookmark not defined. Tabel 5.5 Penggunaan Lahan DAS Menurut RTRW ........... Error! Bookmark not defined. Tabel 5.6 Kesesuaian Penggunaan Lahan DAS Terhadap Pola Ruang RTRW ................................................................................ Error! Bookmark not defined. Tabel 5.7 Tingkat Fungsi Lindung Kawasan DAS Bogowonto . Error! Bookmark not defined. Tabel 5.8 Bentuklahan Hasil Sedimentasi DAS BogowontoError! Bookmark not defined. Tabel 5.9 Arahan Penggunaan Lahan DAS Bogowonto...... Error! Bookmark not defined. Tabel 5.10 Rekomendasi Arahan Fungsi Penggunaan Lahan DAS Bogowonto ................................................................................ Error! Bookmark not defined.
DAFTAR GAMBAR Gambar 2.1 Skema Proses Dinamika Wilayah ...... Error! Bookmark not defined. Gambar 2.2 Sedimentasi yang didominasi gelombang laut . Error! Bookmark not defined. Gambar 2.3 Sedimentasi yang didominasi oleh debit sungai ..... Error! Bookmark not defined. Gambar 2.4 Sedimentasi yang didominasi oleh pasang surut ..... Error! Bookmark not defined. Gambar 2.5 Bentuk Lahan Hasil Sedimentasi ....... Error! Bookmark not defined. Gambar 2.6 Kerangka Pemikiran ........................... Error! Bookmark not defined. Gambar 2.7 Rekam Jejak Penelitian ...................... Error! Bookmark not defined.
Gambar 3.1 Lokasi Penelitian ................................ Error! Bookmark not defined. Gambar 3.2 Diagram Alir Penelitian ..................... Error! Bookmark not defined. Gambar 5.1 Penggunaan Lahan Pertanian ............. Error! Bookmark not defined. Gambar 5.2 Penggunaan Lahan Permukiman ........ Error! Bookmark not defined. Gambar 5.3 Penggunaan Lahan Kebun campuran . Error! Bookmark not defined. Gambar 5.4 Penggunaan Lahan Belukar/Semak .... Error! Bookmark not defined. Gambar 5.5 Penggunaan Lahan Air Tawar ............ Error! Bookmark not defined. Gambar 5.6 Peta Penggunaan Lahan DAS Bogowonto Tahun 1990............. Error! Bookmark not defined. Gambar 5.7 Peta Penggunaan Lahan DAS Bogowonto Tahun 2014............. Error! Bookmark not defined. Gambar 5.8 Grafik Penggunaan Lahan Tahun 1990 dan 2014 ... Error! Bookmark not defined. Gambar 5.9 Peta Perubahan Penggunaan Lahan DAS Bogowonto 1990-2014 ................................................................................ Error! Bookmark not defined. Gambar 5.10 Grafik Laju Perubahan Pengunaan Lahan DAS Bogowonto ... Error! Bookmark not defined. Gambar 5.11 Peta Pola Ruang DAS Bogowonto ... Error! Bookmark not defined. Gambar 5.12 Grafik Jenis Pemanfaatan Ruang DAS Bogowonto ................. Error! Bookmark not defined. Gambar 5.13 Peta Keserasian Penggunaan Lahan dan Pola Ruang DAS...... Error! Bookmark not defined. Gambar 5.14 Grafik Fungsi Lindung Kawasan di DAS Bogowonto ............ Error! Bookmark not defined. Gambar 5.15 Peta Sebaran Sedimen dan Sampel di DAS Bogowonto.......... Error! Bookmark not defined. Gambar 5.16 Penggunaan Lahan di Lahan miring. Error! Bookmark not defined. Gambar 5.17 Penggunaan Lahan pada Kawasan Hutan Lindung .................. Error! Bookmark not defined. Gambar 5.18 Lahan dengan Vegetasi Minimalis ... Error! Bookmark not defined.
Gambar 5.19 Penambangan Mineral Non Logam di Kabupaten Purworejo . Error! Bookmark not defined.