department of biology, diponegoro university, semarang
TRANSCRIPT
Tri Retnaningsih Soeprobowati
Department of Biology, Diponegoro University, Semarang, Indonesia
Graduate Program, Diponegoro University, Semarang, Indonesia
“
International Seminar on Ecohydrology Management of Putrajaya Lake and Wetland
Dewan Seri Melati, Perbadanan Putrajaya, 19-20 January 2016
Lake Sustainable Management
Agreement by 9 Ministers of:
1. Environment
2. Home Affairs
3. Public Works
4. Agriculture
5. Energy and Mineral Resources
6. Research and Technology
7. Maritime and Fisheries Affairs
8. Culture and Ecotourism
9. Forestry
(1st National Conference of
Indonesian Lakes, Bali 13 August
2009)
Indonesian Freshwater Ecosystem:
• 6,000 catchment area
• 500 lakes, total area of 491,724 ha
(0.25% terestrial)
• 52 reservoirs
• 395 situ (Jabar dan Jakarta)
• 22,158,000 ha wetlands
Tropical lakes island: total big lakes of 804 and
735 small lakes which rich of flora and fauna
diversity.
Degradation of lake ecosystem due to
environmental pollution:
NO NAMA DANAU LOKASI KEWENANGAN
1 Danau Toba Sumatera Utara Pusat
2 Danau Maninjau Sumatera Barat Provinsi
3 Danau Singkarak Sumatera Barat Provinsi
4 Danau Kerinci Jambi Provinsi
5 Danau Tondano Sulawesi Utara Provinsi
6 Danau Limboto Gorontalo Provinsi
7 Danau Poso Sulawesi Tengah Kabupaten
8 Danau Tempe Sulawesi Selatan Provinsi
9 Danau Matano Sulawesi Selatan Kabupaten
10Danau Kaskade MahakamSemayang-Melintang-Jempang
Kalimantan Timur Provinsi Kaltim
11 Danau Sentarum Kalimantan Barat Kabupaten
12 Danau Sentani Papua Provinsi
13 Rawa Danau Banten Kabupaten Serang
14 Danau Batur Bali Provinsi Bali
15 Danau Rawa Pening Jawa Tengah Provinsi Jateng
WIDE
depth
Tropical lakes island: total big lakes of 804 and 735 smalllakes which rich of flora and fauna diversity.
Degradation of lake ecosystem due to environmentalpollution:
Domestical waste polution Water hiacynth blooming
Lake shallowness and floating net aquaculture
1. Lake ecosysterm management,
2. The use of lake resource has to be based on deeplyscientific and technological analysis and their impacts
3. The development of lake monitoring, evaluation andinformation systems
4. Preparation of adaptation and mitigation steps theimpact of environmental changes to the lakes
5. The development of capacity, regulation andcoordination
6. Improvement of community involvement
7. Sustainable funded
Lake degradation: sedimentation, pollution,
eutrophication, and water quality degradation.
Lake usage: power electricity, agriculture, fisheries,
drinking water, social and religious life, tourism.
Committment between government and community.
Lake strategy: lake that has strategic national function.
Biodiversity (endemic species).
Level of Risk Disaster.
1. Lake: 2,670 ha
2. Depth: 0.35 – 18 m, average =
3,87 m
3. Sedimentation: 778.93 ton/th
4. Volume: 29. 7 juta m3 (2011)
5. In 2021 predicted wil be full by
sediment (PemKab Smg, 2000)
6. Fisheries: 2.21 ha (2007) – 3.78
ha (2010)
7. Blooming of water hiacyth :
1 m2/52 day,s doubling 14 days
1. 5%/yr of floating islandEUTROPHICATION
MAIN FUNCTION OF RAWA PENING LAKE
Electricity power: Jelok 15,000 KW
Timo 10.000 KW
= 93.6 million KWH/y
Flood protection
Fisheries: 872,6 ton/th,
752 unit floatingh net culture 2,21 ha
Ecotourim
Agriculture
39,277 Ha
Drinking water: 1,100 L/sec
Mineral water: 100 L/sec
• 5,262 petani,
•7,287 buruh tani,
• 5,654 buruh industri,
• 3,330 buruh bangunan,
• 2,196 nelayan,
• 1,264 pengusaha,
• 1,067 peternak/
perikanan
(BPS, 2010)
1994• 18.45% water hyacinth• 7.69% Hydrilla• 15.38% Salvinia
41.50% (Goltenboth, 1995) Pemerintah Kabupaten Semarang, 2000:
•1976 – 1998 : 29.34% volume reduction
•2021: predicted become land
ECOLOGICAL RAWAPENING LAKE
19 Agustus 2009
Floating island 5 %/th
Peat usage: 11,500m3/tahun
60-70% covered by water hiacynth
(Soeprobowati, 2005)
DEVELOP GOVERNANCE
FOR LAKE CONSERVATION
COMMUNITY
INVOLVEMENT ON
LAKE
CONSERVATION
SCIENCE & TECHNOLOGY APPLICATION
TO REMEDIATE WATER AND CATCHMENT
AREA
1. Management of water hyacinth bloom
2. Management of critical landuse, erosion,
flooding, and sedimentation
3. Reduce nutrient entering to Rawapening
Lake
4. Neo and Paleo - Limnological study
5. Implementing environmental friendly
agriculture
6. Improve community involvement on the
lake conservation
1. Environmental friendly fisheries management.
2. Integrated waste water treatment
3. Integrated drainage
4. Center for Rawapening Lake Management
5. Planning for development Rawapening region
6. Governance and Regulation for Rawapening
Management
7. Protection of natural resources
8. Zoning of Rawapening Lake
9. Improve community welfare by development of
water hyacinth use
10.Ecotourism development
11.Improve forum for environmental care
1. PENANGANAN ECENG GONDOK
KEGIATAN INDIKATOR/OUTPUTBASE
LINE
TARGET CAPAIAN (TAHUN KE)
PENANGGUNG
JAWABPENDUKUNG
1 2 3 4 5
a. Secara mekanik
(pemanenan)
b. Fitoremediasi
Covering danau oleh eceng
gondok (%)70,00 20,00 20,00 20,00 20,00 20,00
Balai Besar
Wilayah Sungai
Pemali Juwana
KKP Prov,
PSDA Provinsi
Jateng, Dinas
ESDM Prov,
b. Biokontrol ikan koan (grass carp) berat 100
gramna
25.000.
000
25.000.
000
25.000.
000
25.000.
000
25.000.
000
c. Herbisida ramah
lingkunganherbisida (liter) na 267,00 267,00 267,00 267,00 267,00
PETA LOKASI PEMBANGUNAN KLANTE PERMANEN dan BANGUNAN PELENGKAPNYA
Jembatan Jalan Raya
Semarang - Solo
Kanal S. Tuntang
Jembatan KA
Tuntang - Amb
Klante Lama
L1=36m, L2=160m
L. Bukaan B=8m
Jalan Lingkar
Tuntang - Amb
Kontur Bantaran
Elv. +463.25
Rencana Dermaga Wisata
Rencana Dermaga Humus
dan Jalan Masuk
R. Makan & Pemancingan
Karamba-Awir
Rencana Revetment Pas. Batu
L=425 m (ka-ki) dgn H=3 m
Rencana Bangunan Klante Permanen L1=110 m, L2=150 m, L3=45 m dgn Lubang bukaan B1=12 m, B2=10 m
25
MACROPHYTES MANAGEMENT
BIOKONTROL;
GRASS CAPR
(Ctenopharyngodon idella)
Secara kimia
BIOKONTROL:kumbang penggerek weevils (Neochetina eichhorniae and N. bruchi)
BIOKONTROL:ngengat Sameodes albiguttalis
REPUBLIKA.CO.ID, SEMARANG - 150 personel Tentara Nasional Indonesia dari Batalyon
Zeni Tempur 4/ Tanpa Kawandya Komando Daerah Militer IV/ Diponegoro dikerahkan untuk
membantu proses pembersihan Danau Rawa Pening dari eceng gondok. Tumbuhan air tersebut
telah menutup hampir seluruh permukaan tempat tampungan air tersebut.
"Ada sekitar 150 personel yang diterjunkan mulai 6-20 Oktober 2011 untuk membantu
pembersihan Rawa Pening," kata Komandan Batalyon Zeni Tempur 4/ Tanpa Kawandya Letnan
Kolonel Sapto Widhi Nugroho, di Semarang, Sabtu (15/10). Selain tenaga manusia, kata dia, TNI
juga mengerahkan tiga alat berat yang berfungsi untuk mempercepat pembersihan eceng gondok.
Ia menuturkan, TNI bersama masyarakat setempat mendapat tugas untuk melakukan pembersihan
pada area seluas 30 hektare
FERTILISERS
CATTLE FEEDS
SOUVENIERS
GERMADAN
RAWAPENING
KNDI II, September 2011
DEVELOP GOVERNANCE
FOR LAKE CONSERVATION
COMMUNITY INVOLVEMENT ON
LAKE CONSERVATION
SCIENCE & TECHNOLOGY APPLICATION
TO REMEDIATE WATER AND CATCHMENT
AREA
1. holistic program for harvest water hyacinth
every year
2. Coordination, institutional leader: authority
3. Governance: policies and finance
Aliran air limbah(residu)
Aliranair
bebaslimbahlogamberat
Kantongkarantina
Encenggondok
berkualitas
Karantina air
residu dengan
budidaya
encenggondok
Homeindustri
•Pertanian•Perikanan•Perkebunan•Peternakan•pemukiman
Diisolirsistem
pembuangan air
limbah
HILIR
ECENG GONDOK SEBAGAI
GREEN BELT
•Pertanian•Perikanan•Perkebunan•Peternakan•industri
RAWA PENING
CONCLUSION :
REMEDIATION CONCEPT FOR RAWAPENING LAKE
(MODIFIMIDIFICATION CONCEPT 2003)
DAERAH HULU
PLTA
High Rate Algae Pond
(HRAP)
Fertilizers,
Biofuel
