scholarly journals Competitiveness of broiler in Tondano Utara district, regency of minahasa in north Sulawesi province, Indonesia

2021 ◽  
Vol 232 ◽  
pp. 02021
Author(s):  
Erwin Wantasen ◽  
Jein Rini Leke ◽  
Florencia Nery Sompie
Keyword(s):  
Competitive Advantage ◽  
Social Cost ◽  
Sampling Technique ◽  
Export Market ◽  
Cost Ratio ◽  
Market Expansion ◽  
North Sulawesi ◽  
Business System ◽  
Private Cost ◽  
Domestic Factor

The research aims to analyze competitiveness of broiler in District of Tondano Utara, Regency of Minahasa. Sampling technique utilized was saturated sampling (census method) by taking all existing samples, containing of 68 samples of broiler in the region of District of Tondano Utara. Further, data analysis employed Policy Analysis Matrix (PAM). The analysis finding shows that PCR (Private Cost Ratio) valuewas less than(<) 1, which was 0.65. This means that business system of broiler cultivated by breeders had competitive advantage. Breeder was able to compete with broiler business in other regions, instead of enabling to finance domestic factor in private price. Husbandry sector had competitive advantage whereas DRCR (Domestic Resources Cost Ratio) value was less than (<) 1, representing that advantage obtained by breeder was greater than its social cost of non-tradable input. In broiler’s case showed in District of Tondano Utara, DRCR value was less than (<) 1, which was 0.96, depicting that husbandry sector had comparative competitiveness since it could finance its domestic factor related to social cost and it was economically efficient. Therefore it is recommended to encourage market expansion to the export market through the development of broiler chicken meat processing industry in North Sulawesi.

scholarly journals Analisis Keunggulan Komparatif Dan Kompetitif Usaha Ternak Ayam Ras Pedaging Di Kecamatan Musuk Kabupaten Boyolali

2018 ◽  
Vol 14 (2) ◽  
pp. 176
Author(s):  
Anisah Eka Mutmainah ◽  
Tinjung Mary Prihtanti
Keyword(s):  
Policy Analysis ◽  
Competitive Advantage ◽  
Comparative Advantage ◽  
Broiler Chickens ◽  
Broiler Chicken ◽  
Sampling Technique ◽  
Cost Ratio ◽  
Private Cost ◽  
The Cost ◽  
Domestic Factor

<em>This Research analyzed that comparative advantage and competitive of broiler chicken’s livestock business in Musuk Subdistrict of Boyolali Regency. For sampling uses a Saturated Sampling technique (census method) by taking all available samples as many thirty-two sample of broiler’s breeder around Musuk Subdistrict. To analyzed chicken livestock business uses Policy Analysis Matrik (PAM) and Ms. Excel as analysis tools. The result of this research shows that PCR </em>(<em>Private Cost Ratio</em>) <em>value  &lt;1  is  0,63  that  means  the  commodity  system  of  broiler  chicken  which  is cultivated by breeder has a small competitive advantage. In addition to defraying domestic factor at private price, breeders are also able to compete with broiler chickens  livestock  business  in  other  region.  A  commodity  has  a  comparative advantage if it has DRCR </em>(<em>Domestic Resources Cost Ratio</em>) <em>value &lt;1, the meaning is the profit obtained by the breeder is grater than the cost of social input non tradable. In case of broiler chickens in Musuk Subdistrict obtained grade DRCR &lt;1 is 0,95 that means livestock business   produced has comparative competitiveness because it is able to finance domestic factors at social prices and is economically efficient.</em>

scholarly journals Analysis Competitiveness of Sugarcane Farming in Central Java and East Java

Agro Ekonomi ◽  
2017 ◽  
Vol 28 (2) ◽  
pp. 237
Author(s):  
Wahyu Adhi Saputro ◽  
Masyhuri Masyhuri ◽  
Any Suryantini
Keyword(s):  
Competitive Advantage ◽  
Comparative Advantage ◽  
Cost Ratio ◽  
Central Java ◽  
Private Cost ◽  
Sugarcane Farming ◽  
Resource Cost ◽  
Policy Analysis Matrix ◽  
Domestic Resource ◽  
Very High

This study aims to determine the competitiveness of sugarcane farming in Central Java and East Java based on comparative advantage (DRCR) and competitive advantage (PCR). The method used was the Policy Analysis Matrix (PAM). The result in Central Java explained that the sugarcane farming do not have comparative advantage but have competitive advantage. It is indicated by the value of Domestic Resource Cost Ratio DRCR>1 which is 1.23 and the value of Private Cost Ratio PCR<1 which is 0.71. Meanwhile The result in East Java explained that the sugarcane farming do not have comparative advantage but have competitive advantage. It is indicated by the value of DRCR>1 which is 1.05 and the value of PCR<1 which is 0.56. Partial test was conducted to find out how many respondents in each region in Central Java and East Java that have competitiveness sugarcane farming. Based on the partial test of each respondent in Central Java, about 51.67%, 45.00% and 3.33% of respondents are categorized as very competitive, medium competitiveness and very low competitive respectively. Meanwhile, in East Java Province, there are 25.00% of respondents with very high competitiveness, 65.00% medium competitiveness and 10.00% very low competitive.

scholarly journals DINAMIKA DAYA SAING USAHA RUMPUT LAUT

2015 ◽  
Vol 10 (2) ◽  
pp. 117
Author(s):  
Mira Mira ◽  
Riesti Triyanti ◽  
Yayan Hikmayani
Keyword(s):  
Policy Analysis ◽  
Competitive Advantage ◽  
Government Policies ◽  
Cost Ratio ◽  
Effective Protection ◽  
Private Cost ◽  
Study Sites ◽  
The Impact ◽  
Policy Analysis Matrix ◽  
Nominal Protection

<p>Program revitalisasi pada sektor perikanan telah berjalan sejak 8 tahun yang lalu dan telah berdampak pada usaha budidaya dan daya saing rumput laut di Indonesia. Penelitian ini bertujuan untuk mengkaji dinamika daya saing rumput laut yang banyak dibudidayakan di daerah pesisir dan pulau-pulau kecil. Metode pengumpulan data menggunakan metode survey dan wawancara dengan pembudidaya rumput laut di Nusa Penida dan Lombok Timur. Metode analisis data yang digunakan adalah Policy Analysis Matrix (PAM) dengan membandingkan daya saing rumput laut tahun 2005 dan 2013. Hasil analisis mengindikasikan bahwa di dua lokasi penelitian dengan adanya intervensi pemerintah dari tahun ke tahun menyebabkan keuntungan yang diterima pembudidaya pada tahun 2013 rumput laut lebih besar (PC (Profitabity Coofficient) &gt; 1)) jika dibandingkan tanpa kebijakan (PC &lt; 1) (tahun 2005). Keefektifan perhatian pemerintah tersebut bisa dilihat dari nilai SRP <em>(Subsidy Ratio to Producers)</em> dan EPC <em>(Effective Protection Coofficient)</em> yang berubah dari tahun 2005 dan 2013, bila pada tahun 2005 nilai SRP bertanda negatif dan EPC &lt; 1, yang artinya subsidi dan kebijakan pemerintah belum efektif melindungi usaha rumput laut. Tahun 2013, nilai SRP bertanda positif dan EPC ) &gt; 1 di masing-masing lokasi penelitian, yang artinya kebijakan pemerintah dan subsidi efektif mengembangkan usaha rumput laut. Dalam kurun waktu 8 tahun usaha rumput laut memiliki keunggulan kompetitif dan keunggulan komparatif yang bisa dilihat dari nilai DRC dan PCR (Private Cost Ratio), meskipun ada tren penurun keungulan kompetitif, karena pada tahun 2013 di Nusa Penida menggunakan BBM yang memiliki komponen impor yang lebih besar. Implikasi kebijakan pemerintah (kebijakan input) di dua lokasi penelitian yang diindikasikan dengan nilai NPCI <em>(Nominal Protection Coofficient on Input)</em> yang semakin meningkat maka keberpihakan pemerintah Nusa Penida lebih tinggi dibandingkan keberpihakan pemerintah Lombok Timur terhadap input usaha rumput laut baik itu tahun 2005 maupun pada tahun 2013.</p><p> </p><p><em>(Competitive and Comparative Dinamics of the Seaweed Busineses)</em></p><p>Revitalization policy programs in the fisheries sector which has been creating since 8 years ago have the impact on the competitiveness seaweed at Small Islands. The purpose of this study examines competitive and comparative of seaweed. Survey and interview with seaweed cultivators were conducted at The Eastern Nusa Penida and The Eastern Lombok. Data analysis method uses a Policy Analysis Matrix (PAM). Results of the analysis indicate that in the two study sites government intervention have a positive impact. Benefits received by farmers in 2013 (PC (Profitabity Coofficient) &gt; 1) greater than without a policy of revitalization in 2005 ( PC &lt;1). The effectiveness of government policies showed by SRP (Subsidy Ratio to Producers) and EPC (Effective Protection Coofficient) values were changed from 2005 and 2013. The value of the SRP in 2005 is negative and EPC &lt;1, it means subsidies and government policies have not been effective in protecting the seaweed business. SRP value is positive and EPC)&gt; 1 in each of the research sites after 8 years of revitalization was launched (2013), it means government policies and subsidies effectively develop seaweed business. Seaweed business has also a competitive advantage and comparative advantages, it shown the DRC (Dosmetic Cost Ratio) and PCR (Private Cost Ratio) value. There is trend-lowering competitive advantage in Nusa Penida, because farmers in 2013 using a fuel that has a greater import components. Intervention of government (in terms of policy input) at two study sites increases the value of NPCI (Nominal Protection Coofficient on Input). The concern of Nusa Penida government on input seaweed business is higher than in the Eastern Lombok government.</p><p><em><br /></em></p>

scholarly journals Comparative And Competitive Advantage Agribusiness Of Jawa Brebes Cattle (Jabres) In Brebes Regency

2019 ◽  
Vol 1 (1) ◽  
pp. 15-24
Author(s):  
Suci Nur Utami ◽  
M Syaifulloh
Keyword(s):  
Competitive Advantage ◽  
Development Strategy ◽  
Process Analysis ◽  
National Level ◽  
Cost Ratio ◽  
Competitive Advantages ◽  
Expert Choice ◽  
Private Cost ◽  
The Development Strategy ◽  
Hierarchy Process

The development of Jabres cattle is very important to increase the population of Jabres cattle in Brebes. There needs to be a good developmentstrategy so that Jabres cattle can have a higher competitiveness. The purpose of this research is to know the level of comparative and competitive advantages agribusiness of Jabres cattle known from the value of Domestic Resources Cost Ratio (DRCR) and Private Cost Ratio (PCR), and to determine the priorities of the development strategy Agribusiness of Jabres cattle uses the method of Analytical Hierarchy Process (AHP) with Expert Choice program. The results show that the DRCR value is 0.97 and PCR is worth 0.96, it indicates that Cow Jabres has a comparative and competitive advantage so that it can be competitiveness at the national level. Based on the Anaytical Hierarchy Process analysis that has been done, obtained the results that the most important strategy priority used to develop the agribusiness of Jabres cattle in Brebes is by increased effectiveness in livestock maintenance.

scholarly journals ANALISIS DAYA SAING UBI KAYU INDONESIA DI PASAR INTERNASIONAL

2018 ◽  
Vol 14 (1) ◽  
pp. 1
Author(s):  
Fahrisa Surya Pramesti ◽  
Endang Siti Rahayu ◽  
Agustono Agustono
Keyword(s):  
Competitive Advantage ◽  
Comparative Advantage ◽  
Added Value ◽  
Pcr Analysis ◽  
Cost Ratio ◽  
A Value ◽  
Comparative Advantages ◽  
Agricultural Areas ◽  
Method Analysis ◽  
Domestic Factor

<p>Abstract: This research aims to determine the competitiveness of cassava Indonesia<br />compared with competitor countries if the terms of its comparative advantages, and to<br />know the competitiveness of Indonesian cassava if the terms of its competitive<br />advantage. The basic method used is descriptive analytical method. Analysis of the<br />data used is the analysis of comparative advantage Revealed Comparative Advantage<br />(RCA) and analysis of competitive advantage Privat Cost Ratio (PCR). RCA analysis<br />results for commodities cassava Indonesia has a value of 0.7 or below one, which<br />means that during the period of cassava Indonesia does not have a comparative<br />advantage compared to other countries with the same commodity. While the results of<br />PCR analysis, farming cassava in Indonesia has a competitive advantage because it<br />has a PCR value of 0.36 or less than one, which means that to get the added value of<br />farm output by one unit cassava required additional domestic factor costs less than<br />one unit is equal to 0 , 36. While private profits is positive, it shows that the indication<br />of the results of farming cassava Indonesia supernormal and should lead to the<br />expansion or expansion in the future, unless the agricultural areas in Indonesia can<br />not be expanded or substitute crops are more profitable in private.</p><p> </p><p>Abstrak: Penelitian ini bertujuan untuk mengetahui daya saing ubi kayu Indonesia<br />dibandingkan dengan negara pesaing jika ditinjau dari keunggulan komparatifnya, dan<br />mengetahui daya saing ubi kayu Indonesia jika ditinjau dari keunggulan<br />kompetitifnya. Metode dasar yang digunakan adalah metode deskriptif analitis.<br />Analisis data yang digunakan adalah analisis keunggulan komparatif Revealed<br />Comparative Advantage (RCA) dan analisis keunggulan kompetitif Privat Cost Ratio<br />(PCR). Hasil analisis RCA untuk komoditas ubi kayu Indonesia memiliki nilai 0,7<br />atau di bawah satu, yang berarti pada periode tersebut ubi kayu Indonesia tidak<br />memiliki keunggulan komparatif dibandingkan dengan negara lain dengan komoditas<br />yang sama. Sedangkan hasil analisis PCR, usahatani ubi kayu di Indonesia memiliki<br />keunggulan kompetitif karena memiliki nilai PCR 0,36 atau kurang dari satu, yang<br />berarti untuk mendapatkan nilai tambah output usahatani ubi kayu sebesar satu satuan<br />diperlukan tambahan biaya faktor domestik kurang dari satu satuan yaitu sebesar 0,36.<br />Sedangkan keuntungan privat bernilai positif, hal tersebut menunjukkan bahwa<br />indikasi dari hasil usahatani ubi kayu Indonesia supernormal dan harus mengarah pada<br />ekspansi atau perluasan di masa mendatang, kecuali apabila daerah pertanian di<br />Indonesia tidak dapat diperluas atau terdapat tanaman pengganti yang lebih<br />menguntungkan secara privat</p><p> </p>

scholarly journals ANALISIS KEUNGGULAN KOMPARATIF DAN KOMPETITIF KOPI DENGAN ADANYA SERTIFIKASI COMMON CODE FOR THE COFFEE COMMUNITY (4C) DI KECAMATAN SUMBEREJO KABUPATEN TANGGAMUS

2021 ◽  
Vol 9 (2) ◽  
pp. 1
Author(s):  
Rina Astuti ◽  
Muhammad Irfan Affandi ◽  
Raden Hanung Ismono
Keyword(s):  
Competitive Advantage ◽  
Comparative Advantage ◽  
Cost Ratio ◽  
Production Volume ◽  
Private Cost ◽  
Comparative Advantages ◽  
Coffee Farmers ◽  
Coffee Farming ◽  
The Impact ◽  
Percent Decline

This research aims to analyze comparative advantage, competitive advantage, the impact of government policies on input output of certified coffee farming, and analyze the sensitivity of changes in input and outputprices to the comparative advantage and competitive advantage of coffee farming in Sumberejo Subdistrict Tanggamus District. The samples of 25 farmers were taken simply randomly from 133 coffee farmers who applied 4C coffee certification. Data were analyzed using PAM (Policy Analysis Matrix). The results showed that 4C certification coffee farming in Sumberejo Subdistrict of Tanggamus District had a competitive advantage with value of Private Cost Ratio of 0.53 and comparative advantage with of Domestic Cost Ratio of 0.38. Comparative advantage was sensitive to 20.31 percent decline in production volume and 40 percent decline in farm output price. Increase in input price due to revocation of subsidies reduced competitive and comparative advantages. Competitive and comparative advantages were not sensitive to an increase in input price.Key words: certified, coffee, comparative, competitive, PAM

scholarly journals ANALISIS DAYA SAING KOMODITAS PERKEBUNAN DI KABUPATEN KAIMANA PROVINSI PAPUA BARAT

2017 ◽  
Vol 10 (1) ◽  
pp. 148
Author(s):  
Suharyanto Suharyanto ◽  
Adang Agustian ◽  
Parlindungan Y Silitonga
Keyword(s):  
Competitive Advantage ◽  
Comparative Advantage ◽  
Supply And Demand ◽  
Secondary Data ◽  
Primary Data ◽  
Cost Ratio ◽  
Location Quotient ◽  
Private Cost ◽  
The Face ◽  
Papua Barat

Determination  of  superior  regional  commodity  is  the  first  step  towards  the agriculture development which based on concept of efficiency to achieve comparative and competitive advantage in the face of  global trade.Step toward efficiency can be reached by developing commodity that has a comparative advantage in terms of both supply and demand  side.The  purpose  of  this  study  to  analyzed  the  commodity  which  has  the comparative  advantage  of  various  commodities  that  exist  in  the  Kaimana  district. Secondary data were collected on estate commodities production  data sourced from BPS as well as primary data through a survey of 60 farmer respondents. Data analyzed using LQ (Location Quotient), Domestic Resources Cost Ratio (DRCR) and Private Cost Ratio (PCR).  The  analysis showed  that  the  highest  LQ  value  for  coconut  contained  in  Teluk Etnasub  district,  in  the  sub  district  Buruway  cocoa  and  nutmeg  in  Kambrau  sub district.Coconut, cocoa and nutmeg have a comparative advantage in Kaimana district as shown by DRCR smaller than one. While there is a competitive advantage only in cocoa and nutmeg demonstrated with PCR values smaller than one.

scholarly journals The effect of COVID-19 outbreak on the competitive and comparative advantages of rice production in West Java, Indonesia

2021 ◽  
Vol 892 (1) ◽  
pp. 012050
Author(s):  
J F Sinuraya ◽  
A Setiyanto
Keyword(s):  
Competitive Advantage ◽  
Comparative Advantage ◽  
Rice Production ◽  
Policy Implications ◽  
Cost Ratio ◽  
West Java ◽  
Farm Level ◽  
Private Cost ◽  
Comparative Advantages ◽  
Rice Farmer

Abstract Food security is one of the keys to success in overcoming problems arising impact of the COVID-19 outbreak. Attention to the paddy production in West Java is imperative. This paper aimed to discuss the effect of the COVID-19 pandemic on the competitiveness of rice production in West Java by using two indicators of Policy Analysis Matrix (PAM), namely Private Cost Ratio (PCR) and Domestic Resource Cost Ratio (DRC). The data used is from the National Panel of Farmers (PATANAS) survey data for wetland rice agro-ecosystem in West Java, with 144 households of rice farmer respondents. The results show that the COVID-19 outbreak harms the competitiveness of rice production, and it takes three years for recovery to be a competitive advantage and more than five years for comparative advantage. At the private and social prices of GKP at the farm level equal to the GPP 2020, rice production in West Java will lose its competitive advantage starting in 2022, while the comparative advantage of rice production in West Java continues to decline until 2024. This study has three policy implications: the first eliminating disruption of the distributions of agricultural inputs and outputs. The second is striving to increase the use of machinery and equipment to secure the risk of yield loss during cultivation, harvest time, and post-harvest handling at the farm level. The third is selecting the farmers who have high capability in competitive and comparative advantages as a model for fostering competitiveness improvement for farmers with lower abilities.

scholarly journals DINAMIKA DAYA SAING USAHA RUMPUT LAUT

2016 ◽  
Vol 10 (2) ◽  
pp. 117
Author(s):  
Mira Mira ◽  
Riesti Triyanti ◽  
Yayan Hikmayani
Keyword(s):  
Policy Analysis ◽  
Competitive Advantage ◽  
Government Policies ◽  
Cost Ratio ◽  
Effective Protection ◽  
Private Cost ◽  
Study Sites ◽  
The Impact ◽  
Policy Analysis Matrix ◽  
Nominal Protection

Program revitalisasi pada sektor perikanan telah berjalan sejak 8 tahun yang lalu dan telah berdampak pada usaha budidaya dan daya saing rumput laut di Indonesia. Penelitian ini bertujuan untuk mengkaji dinamika daya saing rumput laut yang banyak dibudidayakan di daerah pesisir dan pulau-pulau kecil. Metode pengumpulan data menggunakan metode survey dan wawancara dengan pembudidaya rumput laut di Nusa Penida dan Lombok Timur. Metode analisis data yang digunakan adalah Policy Analysis Matrix (PAM) dengan membandingkan daya saing rumput laut tahun 2005 dan 2013. Hasil analisis mengindikasikan bahwa di dua lokasi penelitian dengan adanya intervensi pemerintah dari tahun ke tahun menyebabkan keuntungan yang diterima pembudidaya pada tahun 2013 rumput laut lebih besar (PC (Profitabity Coofficient) > 1)) jika dibandingkan tanpa kebijakan (PC < 1) (tahun 2005). Keefektifan perhatian pemerintah tersebut bisa dilihat dari nilai SRP (Subsidy Ratio to Producers) dan EPC (Effective Protection Coofficient) yang berubah dari tahun 2005 dan 2013, bila pada tahun 2005 nilai SRP bertanda negatif dan EPC < 1, yang artinya subsidi dan kebijakan pemerintah belum efektif melindungi usaha rumput laut. Tahun 2013, nilai SRP bertanda positif dan EPC ) > 1 di masing-masing lokasi penelitian, yang artinya kebijakan pemerintah dan subsidi efektif mengembangkan usaha rumput laut. Dalam kurun waktu 8 tahun usaha rumput laut memiliki keunggulan kompetitif dan keunggulan komparatif yang bisa dilihat dari nilai DRC dan PCR (Private Cost Ratio), meskipun ada tren penurun keungulan kompetitif, karena pada tahun 2013 di Nusa Penida menggunakan BBM yang memiliki komponen impor yang lebih besar. Implikasi kebijakan pemerintah (kebijakan input) di dua lokasi penelitian yang diindikasikan dengan nilai NPCI (Nominal Protection Coofficient on Input) yang semakin meningkat maka keberpihakan pemerintah Nusa Penida lebih tinggi dibandingkan keberpihakan pemerintah Lombok Timur terhadap input usaha rumput laut baik itu tahun 2005 maupun pada tahun 2013. (Competitive and Comparative Dinamics of the Seaweed Busineses)Revitalization policy programs in the fisheries sector which has been creating since 8 years ago have the impact on the competitiveness seaweed at Small Islands. The purpose of this study examines competitive and comparative of seaweed. Survey and interview with seaweed cultivators were conducted at The Eastern Nusa Penida and The Eastern Lombok. Data analysis method uses a Policy Analysis Matrix (PAM). Results of the analysis indicate that in the two study sites government intervention have a positive impact. Benefits received by farmers in 2013 (PC (Profitabity Coofficient) > 1) greater than without a policy of revitalization in 2005 ( PC <1). The effectiveness of government policies showed by SRP (Subsidy Ratio to Producers) and EPC (Effective Protection Coofficient) values were changed from 2005 and 2013. The value of the SRP in 2005 is negative and EPC <1, it means subsidies and government policies have not been effective in protecting the seaweed business. SRP value is positive and EPC)> 1 in each of the research sites after 8 years of revitalization was launched (2013), it means government policies and subsidies effectively develop seaweed business. Seaweed business has also a competitive advantage and comparative advantages, it shown the DRC (Dosmetic Cost Ratio) and PCR (Private Cost Ratio) value. There is trend-lowering competitive advantage in Nusa Penida, because farmers in 2013 using a fuel that has a greater import components. Intervention of government (in terms of policy input) at two study sites increases the value of NPCI (Nominal Protection Coofficient on Input). The concern of Nusa Penida government on input seaweed business is higher than in the Eastern Lombok government.

Struktur Makroalga Pada Ekosistem Lamun Di Kecamatan Tabukan Selatan, Kabupaten Kepulauan Sangihe, Sulawesi Utara (Structure of Macroalgae in Seagrass Ecosystems at South Tabukan District, Sangihe Islands Regency, North Sulawesi

2019 ◽  
Vol 9 (1) ◽  
pp. 44
Author(s):  
Irawaty Mertosono ◽  
Ratna Siahaan ◽  
Pience Maabuat
Keyword(s):  
Sampling Technique ◽  
Marine Macroalgae ◽  
Line Transect ◽  
Land Conversion ◽  
Importance Value Index ◽  
Importance Value ◽  
North Sulawesi ◽  
Sea Transportation ◽  
Seagrass Ecosystems ◽  
Biodiversity Decline

Struktur Makroalga Pada Ekosistem Lamun Di Kecamatan Tabukan Selatan, Kabupaten Kepulauan Sangihe, Sulawesi Utara(Structure of Macroalgae in Seagrass Ecosystems at South TabukanDistrict, Sangihe Islands Regency, North Sulawesi) Irawaty A. Mertosono1), Ratna Siahaan1*) Pience V. Maabuat1)1)Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Sam Ratulangi, Manado 95115*Email korespondensi:[email protected] Diterima  15 Februari 2019, diterima untuk dipublikasi 28 Februari  2019 Abstrak Makroalga laut merupakan tumbuhan laut yang tidak memiliki akar, batang, maupun daun sejati. Kegiatan manusia berupa pemanfaatan makroalga, konversi lahan, dan transportasi laut dapat menjadi penyebab penurunan biodiversitas makroalga. Tujuan penelitian ini adalah untuk menganalisis struktur dan distribusi makroalga pada ekosistem lamun di Kecamatan Tabukan Selatan, Kabupaten Kepulauan Sangihe, Sulawesi Utara. Lokasi penelitian di tiga stasiun penelitian yaitu Pantai Karurung - Desa Salurang, Pantai Palareng - Desa Palareng dan Pantai Galoghong – Desa Batuwingkung. Penelitian dilakukan pada November-Desember 2018 dengan pengambilan sampel menggunakan metode garis transek (line transect) dengan teknik pencuplikan kuadrat. Makroalga yang ditemukan sebanyak 36 spesies yang terdiri atas 25 spesies Divisi Chlorophyta, sembilan (9) spesies Divisi Rhodophyta dan dua (2) spesies Divisi Phaeophyta. Makroalga Bornetella nitida memiliki Indeks Nilai Penting 39, 24% mendominasi di lokasi penelitian. Keanekaragaman Shannon-Wiener (H’) spesies makroalga di Stasiun I (H’:3,02) tergolong tinggi sedangkan pada Stasiun II (H’:2,86)  dan Stasiun III (H’:2,63) tergolong sedang. Secara keseluruhan, keanekaragaman spesies makroalga di Kecamatan Tabukan Selatang tergolong tinggi (H’:3,00). Kata kunci:   struktur makroalga, Pantai Karurung, Pantai Palareng, Pantai Galoghong,Tabukan Selatan Abstract Marine macroalgae are marine plant-like organisms that has no true roots, stems, or leaves. The human ativities of macroalgae utilization, land conversion, and sea transportation can cause of macroalgae biodiversity decline. The purpose of this study was to analyze the structure and distribution of macroalgae in seagrass ecosystems at South Tabukan District, Sangihe Islands Regency, North Sulawesi. The research locations were at three research stations, i.e. Karurung Beach - Salurang Village, Palareng Beach - Palareng Village and Galoghong Beach - Batuwingkung Village. The study was conducted in November-December 2018 with line transect method sampling and quadrate sampling technique. Macroalgae were 36 species consists of 25 species of Chlorophyta Division, nine (9) species of Rhodophyta Division and two (2) species of Phaeophyta Division. Macroalga Bornetella nitida had Importance Value Index 39.24% that dominated research locations. The Shannon-Wiener biodiversity Index (H’) of macroalgae species at Station I (H': 3.02) was classified as high while Station II (H': 2.86) and Station III (H ': 2.63) were moderate. Overall, macroalgae species diversity at Tabukan Selatang District was high (H’: 3.00). Keywords: Macroalgae structure, Macroalgae distribution, Karurung Beach, Palareng Beach, Galoghong Beach, South Tabukan

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