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GOVERNMENT POLICY ON MITIGATION ACTIVITY OF METHANE FROM LIVESTOCK IN INDONESIA (Kebijakan Pemerintah dalam Kegiatan Mitigasi Metana dari Peternakan di Indonesia) Haryono Indonesian Agency of Agricultural Research and Development Jl. Ragunan 29, Pasar Minggu, Jakarta Selatan 12540, Indonesia [email protected] ABSTRAK Program swasembada daging sapi nasional pada tahun 2014 berdampak pada peningkatan populasi sapi potong 47,8% dalam waktu 11 tahun atau 4,3%/tahun. Sehingga diasumsikan terjadi peningkatkan emisi gas metana dari peternakan, meskipun sampai saat ini kontribusi dari peternakan hanya 1,275% dari emisi peternakan di dunia. Teknologi mitigasi gas metana dari peternakan dengan menggunakan bahan lokal sudah banyak ditemukan. Dua strategi pemerintah untuk meningkatkan kegiatan mitigasi pada sapi potong yaitu penerapan program integrasi ternak-tanaman dan peningkatan penggunaan dan kualitas bahan pakan lokal. Sebuah model dinamik awal telah dibuat untuk memprediksi emisi gas metana sampai tahun 2020. Penerapan teknologi mitigasi pada sapi potong menurunkan produksi gas metana sebesar 17% dari produksi normal 40% pada tahun 2020, apabila teknologi mitigasi diterapkan pada sapi potong. Pemerintah akan mendukung program-program yang berkaitan dengan (a) diseminasi teknologi untuk inventori data karbon; (b) implementasi teknologi mitigasi untuk menurunkan emisi gas rumah kaca dari peternakan yang spesifik untuk tiap wilayah di Indonesia; (c) program training untuk petugas di bidang peternakan dan peternak; (d) pembentukan kerjasama di antara wilayah di Indonesia maupun kerjasama dengan internasional; (e) pemerintah menyediakan sistem pendanaan untuk pengembangan atau produksi pakan aditif atau suplemen atau vaksin yang dapat menurunkan emisi gas metana dari peternakan. Kata Kunci: Kebijakan, Metana, Mitigasi, Model Dinamik 1 Data Inventory and Mitigation on Carbon and Nitrogen ABSTRACT Self-sufficient program of beef meat on year 2014 has a consequence in increasing population that recorded being 47.8% during the 11 year or 4.3%/year. Thus would also increase total emission from livestock, althought the existing livestock emission is only 1.275% of total global livestock emission. Technologies to mitigate methane emission from livestock by using local sources are available. Government are proposing two strategies to improve mitigation activities in beef cattle through implementation of crop-livestock system and improving local feed quality and utilisation. A preliminary dynamic model has been developed on the methane production, when mitigation technologies are applied on beef cattle. Application of mitigation technologies could reduce methane emission from beef cattle on year 2020 by 17% of normal condition (40%). Government would support programs and activities related to: (a) dissemination technologies for carbon data inventory; (b) implementing the mitigation technologies for reducing GHG emission from livestock that specific for each region in Indonesia; (c) training program for “extension workers” and farmer groups; (d) networking among the national or international; and (e) government funding scheme who develope or produce the feed additive or supplement or vaccine that can reduce methane emission from livestock. Key Words: Policy, Methane, Mitigation, Dynamic Model INTRODUCTION Agricultural sector will face on some biophysics problems such as climate change due to the global warming as GHG increased. These would have an effect on physical and biological changes for instance increasing in temperature, sea water salinity, species distribution, wind and respiration patterns. In general, agriculture has complex linkage with climate change. Agricultural sector has an important role in producing food to supply for livelihood in Indonesia. In year 2011, agricultural production in Indonesia shares around 12% of the total GDP and livestock production shares around 1.7% of national GDP. Supporting the program of self-sufficient on beef meat consumption in year 2014, some activities have been developed to increase the population of beef 2 Government Policy on Mitigation Activity cattle. The impact of this program is an increasing in beef cattle population. The population is increased by 47.8% during the 11 year or in average of 4.3% per year, since 2002 to 2012. In year 2012, the beef cattle population is 16.034.000 head. Million of farmers are involves in agricultural sectors as their job. Most of the farmers are in small-scale production with applies the traditional way. Many of them are poor thus would face constraints. Position of agricultural sector against climate change can as a victim, as one of contributor to the problem and also can supports the solution for the problem. Subsector food crop is very vulnerable and as victims that will experience the most serious impact. The most contributors to the GHG emissions are wetland, peat and livestock. While plantation subsector might give a solution for the problem through an excellent ecological function to absorb CO2. Thus it has strategic role in mitigation to reduce the contribution to the climate change as well as also has potential role in carbon trading. Agricultural sector also would suffering from climate change both as victim and vulnerable. Although it also act as contributor to climate change and Green House Gases (GHG). Total emission from livestock in Indonesia is only 0.212% of total emission in global, or 1.275% of total emission from global livestock. Although the contribution of methane from livestock is very small, increasing livestock population in Indonesia might increase methane significantly. However, some technologies might be applied to reduce the increasing in methane emission from livestock. Increasing in the population of beef cattle in supporting beef selfsufficient program would increase the total CH4 emission from livestock. Data on inventory in year 2012 showed that total CH4 emission from livestock is counted for about 1.06 million tones /year. Ruminant animal produced about 0.995 million tones/year or about 93.99% of total methane produced from livestock. Beef cattle contribute for about 69.41% of methane produced from 3 Data Inventory and Mitigation on Carbon and Nitrogen ruminant animals or for about 58.84% from total methane emitted from livestock (Widiawati 2013). Adaptation program to the climate change would become a priority for agricultural sector. The program proposed for livestock sector must responsive for small-scale farmer. One of program might be applied in Indonesia are selection of local animal breed and local feed sources that have the best adaptation response to the climate change. Other program might be applied is mitigation. Potential contributions of agricultural sector in mitigation climate change are through sink and sequestration. GOVERNMENT POLICY ON METHANE EMISSION FROM LIVESTOCK ACTIVITIES In general, government will focus on two strategies in facing the effect of GHG on livestock. The first general strategy is through adaptation and mitigation. Adaptation program would focus on how to encounter the impact of climate change and variability on the livestock. The adaptation program will be selected based on the livestock responses to the climate change. Mitigation program selection would also depend on the livestock responses to the climate change. In the second general strategy, government will have three steps. First step is a prioritizing adaptation action program to maintain food security. Second step is an action program in mitigation that support national commitment in reducing GHG emission by 26-41%, through the action that environmental friendly and also low emission technologies. The mitigation efforts must in the context of the four agriculture development goals particularly for food security. 4 Government Policy on Mitigation Activity Climate change and variability Mitigation Impacts Adaptation Response Figure 1. General strategy 1 for livestock system in facing the effect of climate change There are two main on going programs of reducing methane produced from livestock. The first program is implementation of crop-livestock system and the second program is improving feed quality using local resources. Implementing of crop-livestock programs are undertaking in more than 11 provinces in Indonesia. Most of the integrating system implemented are between (a) rice and beef cattle; (b) palm oil and beef cattle; and (c) cacao and beef cattle. In palm oil plantation integrated with cattle, the plant by-products are chopped to improve the quality of materials. Some biogas digester also built, where the gas produced is used as energy source for the chopper. The biogas wastes are used as fertilizer for the palm oil plant. MITIGATION OF METHANE EMISSION FROM BEEF CATTLE (DYNAMIC MODEL) Many technologies for mitigation methane gas from livestock are available. They are categorized into three groups: (a) feed 5 Data Inventory and Mitigation on Carbon and Nitrogen processing; (b) feed supplementation, and (c) feed additives. Three feed processing that can increase the quality of feed that also decrease methane production in the rumen are: (a) biological processing such as fermentation and silage; (b) chemical processing such as ammoniation by using urea or NaOH; and (c) physical processing that reduce particle of feed such as grinding and chopping. Feed supplementation is aimed to increase the nutrients and quality of the diet thus increase feed digestibility. Methane emitted during feed fermentation in the rumen is influenced by the digestibility of the feed. Higher digested feed lower methane producer in the rumen. Feed that can be used as feed supplement are high protein source feed such as leguminous leaves, cassava leaves and concentrate. Concentrate might be made from industrial by-product such as palm kernel cake, rice hulls, tofu industry waste, soybean meal, soysauce industry waste. These types of high quality feeds are supplemented into low quality basal feed such as grass, fiber sources from plantation and agricultural by product such as rice straw, corn leaves. Feed additives are offered in small amount (<2%) into the ration but must make significant positive changes of animal’s productivity. Some feed additives that can reduce methane emitted from rumen fermentation are probiotics (A. notera and A. woodi); secondary compounds (tannin and saponin), combination of the two (complete rumen modifier). Tannin and saponin can be found in leguminouse trees such as gamal (Gliricidia sepium), kaliandra (Calliandra callothyrsus), lamtoro (Leucaena leucocephala) and Accasia. While saponin can be found in lerak (Sapindus rarak) and kembang sepatu (Hibiscus sp.) (i.e.: Jayanegara et al. 2010; Thalib et al. 2010; Thalib and Widiawati 2008). Preliminary study that compared the methane produced in the rumen of two different breed (local and import breed) that fed similar diet indicated that there are differences of methane 6 Government Policy on Mitigation Activity production between the two breed (Purnomoadi 2013). However, more studies must be undertaken related to this topic. A preliminary dynamic model has been developed on the methane production from beef cattle, when those technologies are applied (Figure 2 and 3). PO PUL ASI T E RNA K + + + PA KAN ENT ERIC FERM ENT AT IO N FES ES + + + PA KAN HIJAUAN + + PA KAN ADIT IF PA KAN SUPL EM E N + M ANAJEM EN FES ES - + - HIJAUAN SE RAT - HIJAUAN L EG UM E + + - + M ET HANE T A NAM A N + SL URRY DA N RE SIDU Figure 2. Causal loop methane production diagram from ruminant animals CH 4_feses_anak_dikelola Bobot_ternak CH 4_feses_anak Populasi_historis CH 4_feses_anak_tdk_dikelola CH 4_dewasa_kelola Bobot_sapi_dewasa Struktur_populasi Populasi_sapi Feses_anak_sapi CH 4_Feses_anakdigembala CH 4_feses_dewasa Rate_4 CH 4_dewasa_tdk_dikelola Feses_sapi_dewasa Sapi_Muda Penambahan_populasi Feses_sapi_muda Sapi_dewasa CH 4_dewasa_gembala Sapi_anak Bobot_sapi_muda Bobot_ternak konsumsi_pakan_muda Konsumsi_pakan_anak Bobot_sapi_dewasa konsumsi_pakan_dewasa CH 4_feses_TOTAL Bobot_sapi_muda CH 4_feses_muda_tdk_dikelola CH 4_Feses_muda_gembala JP_Konsentrat_1 CH 4_EF_JP RAM_JP_konsentrat CH 4_feses_muda_kelola CH 4_Anak_JPK CH 4_muda_JPK CH 4_dewasa_JPK Total_C H4_JPK CH 4_fese_muda JP_Konsentrat RB_Konsentrat_1 CH 4_EF_RBK CH 4_muda_RBK CH 4_dewasa_RBK Total_C H4_RBK CH 4_anak_RBK RAM_RBK RB_Konsentrat Tanin_1 CH 4_EF_Tanin RAM_Tanin CH 4_anak_Tanin CH 4_muda_Tanin CH 4_dewasa_Tanin Total_C H4_Tanin Tanin Saponin_1 RAM_Saponin CH 4_EF_Saponin CH 4_anak_Saponin CH 4_muda_Saponin CH 4_dewasa_JP_K75 Total_C H4_Saponin Saponin Figure 3. Structure of dynamic model of methane produced on beef cattle 7 Data Inventory and Mitigation on Carbon and Nitrogen Estimation on the reduction of methane emission from beef cattle if the mitigation technologies are applied started from 2013 is shown in Figure 4. Figure 4. Estimation on the reduction of CH4 emission from beef cattle on year 2020 when the mitigation technologies are applied Application of mitigation technologies such as tannin and feed supplement by using concentrate estimated could reduce the methane emission from beef cattle on the year 2020. In the normal condition, increasing the number of beef cattle up to 88% on year 2020 would be followed by increasing in the methane emission by 40%. Implementing technology supplementation by using concentrate on low quality feed such as rice straw in only reduce the methane production by 2%. While if the technologies of mitigation are applied such as using tannin or supplementation of grass diets both good quality and low quality grass (native grass) by concentrate, the methane emitted from livestock on year 2020 will only increase by 23%.There will be reduction for about 17% from the normal condition. 8 Government Policy on Mitigation Activity CONCLUSION Final conclusions for the paper are the government will support the program and activities related to: 1. Dissemination technologies for carbon data inventory 2. Many mitigation technologies for reducing GHG emission from livestock development are available thus need to be implemented 3. Training program for “extension workers” and farmer groups about the mitigation technology and its effect on animal production and environmental pollution are required 4. Application of technologies for methane mitigation from livestock that specific for each region in Indonesia 5. Networking among the National and local stakeholders including Research Institute, University, local government, AIAT, Non Government Institution 6. Government funding scheme for farmers to develop or produce the feed additive or supplement or vaccine that can reduce methane emission from livestock 7. Networking with international institution. REFERENCES Jayanegara A, Goel G, Makkar HPS, Becker K. 2010. Reduction in methane emissions from ruminants by plant secondary metabolites: effects of polyphenols and saponins. In: Odongo NE, Garcia M, Viljoen GJ, Editors. Sustainable Improvement of Animal Production and Health. Food and Agriculture Organization of the United Nations, Rome. p. 151–157. Purnomoadi A. 2013. Pakan Lokal, Derajat Konversi Metana (Methane Conversion Rate) dan Produktivitas Ternak Potong di Indonesia. Dalam: Potensi bahan pakan lokal untuk menurunkan produksi gas metana ternak ruminansia. Badan Litbang Pertanian. p. 15-27. Thalib A. 2004. In vitro study of effectiveness of saponin from Sapindus rarak fruit as methanogenesis inhibitor on ruminal digestion system. JITV 9:164-171. 9 Data Inventory and Mitigation on Carbon and Nitrogen Thalib A and Widiawati Y. 2008. Effect of Acetoanaerobiumnoterae bacteria addition in the diet on methane production and performance of sheep. JITV (13): 273-278. Thalib A, Widiawati Y, Haryanto B. 2010. Penggunaan complete rumen modifier (CRM) pada ternak domba yang diberi hijauan pakan berserat tinggi. JITV 15(2):97-104. Widiawati Y. 2013. Current and Future Mitigaion Activities on Methane Emission from Ruminant in Indonesia. Paper in International Workshop on Inventory Data and Mitigation of Carbon and Nitrogen th Cycling From Livestock in Indonesia. Jakarta, 24 April 2013. 10