Pemanfaatan Tambak Tradisional untuk Budi Daya Kepiting Bakau

2021 ◽  
Author(s):  
Heppi Iromo ◽  
◽  
Dori Rachmawani ◽  
Abdul Jabarsyah ◽  
Zainuddin Zainuddin ◽  
...  
Keyword(s):  
Carrying Capacity ◽  
Economic Value ◽  
Mangrove Ecosystem ◽  
Fishing Effort ◽  
Mangrove Forests ◽  
Mud Crab ◽  
Crab Population ◽  
Aquaculture Ponds ◽  
Increasing Demand ◽  
Mud Crabs

Traditional pond is aquaculture place from the conversion of mangrove forests. The tradisional ponds in this area are still surrounded by mangrove, and many of which are still overgrown with mangroves in the pond. The traditional ponds are to aquaculture of shrimp and milkfish. Currently due to the decrease in environmental carrying capacity in traditional ponds cause a decrease of production. So there needs to be another alternative to optimize aquaculture ponds, namely by changing the types of animals reared from shrimp to mud crabs. Mud crab is a commodity economic value and lives naturally in the mangrove ecosystem. The increasing demand of mud crab causes an increase to catch of crab in nature. If the fishing effort is carried out in a sustainable manner without efforts to aquaculture of mud crabs there will be a decline population of mud crab in the future. These two problems, if put together will become a solution that have the potential to have economic value for increasing the mud crab population and have productive value for tradisional pond, namely by developing crab cultivation in traditional ponds. This book reveals how to manage traditional ponds into good aquaculture lands and make optimal use of this land to develop several aquaculture businesses of mud crabs.

scholarly journals Distribusi Scylla spp. di perairan estuari Sungai Donan Segara Anakan Bagian Timur, Cilacap

2021 ◽  
Vol 2 (1) ◽  
Author(s):  
Sulistiono Sulistiono ◽  
Nurul Musyariafah Yahya ◽  
Etty Riani
Keyword(s):  
Economic Value ◽  
Scylla Serrata ◽  
Mangrove Forests ◽  
Mud Crab ◽  
Mangrove Species ◽  
Central Java ◽  
Rhizophora Apiculata ◽  
Mangrove Ecosystems ◽  
Avicennia Alba ◽  
Mangrove Crabs

Mangrove forests are ecosystems that make up coastal areas and river estuaries. The examples of mangrove ecosystems found in Indonesia are in Segara Anakan, Central Java. One of the aquatic biota with the economic value found in the mangrove forest ecosystem is the mud crab (Scylla spp.). The purpose of this study was to assess the distribution of mangrove crabs (Scylla spp.) to the presence of mangrove species in the mouth of the Donan River, Segara Anakan. A sampling of crabs and observations of mangrove vegetation were carried out at five stations spread from the river to the sea. The results showed that there were three types of mangrove crabs caught in the vicinity of the study, namely Scylla tranquebarica, S. olivacea, and S. serrata. The types of mangroves found include Rhizophora apiculata, R. mucronata, Avicennia rumphiana, A. alba, A. officinalis, and Nypa. Regression analysis showed that mangrove density correlated with the abundance of Scylla tranquebarica and Scylla olivacea, but contradicts the abundance of Scylla serrate. PCA analysis showed that the Crab species Scylla tranquebarica and Scylla olivacea were associated with mangroves of Avicennia alba, Avicennia rumphiana, and Rhizophora apiculata. Meanwhile, Scylla serrata crabs are associated with Avicennia officinalis.

scholarly journals Kajian Struktur Ukuran Dan Parametr Populasi Kepiting Bakau (Scylla serrata) di Ekosistem Mangrove Teluk Bintan, Kepulauan Riau

2017 ◽  
Vol 15 (2) ◽  
Author(s):  
M. Tahmid, Achmad Fahrudin Dan Yusli Wardiatno
Keyword(s):  
Size Structure ◽  
Growth Parameters ◽  
Carapace Width ◽  
Data Retrieval ◽  
Mangrove Ecosystem ◽  
Fishing Effort ◽  
Scylla Serrata ◽  
Small Scale ◽  
Mud Crab ◽  
Mangrove Crab

ABSTRAKKepiting bakau (Scylla serrata) merupakan salah satu potensi komoditas perikanan skala kecil yang memiliki nilai ekonomi tinggi. Kelimpahan populasi dipengaruhi oleh upaya penangkapan dan kondisi ekosistem mangrove sebagai habitat utamanya. Produksi kepiting bakau di Teluk Bintan menurun dan penyebabnya belum diketahui dengan pasti. Oleh karena itu, perlu dilakukan kajian tentang biologi kepiting bakau di Teluk Bintan. Penelitian ini bertujuan untuk mengkaji status populasi kepiting bakau yang meliputi struktur ukuran, parameter pertumbuhan dan laju mortalitas dan eksploitasi. Pengambilan data kepiting bakau dilakukan dengan pendekatan yaitu fisher-based survey. Hasil penelitian menunjukkan ukuran kepiting bakau yang tertangkap mulai dari lebar karapas (CW) 64-172 mm, ukuran fase muda kepiting jantan yang tertangkap mencapai 46,62% dan betina mencapai 48,06%, keduanya hampir setengah dari tangkapan total, ini menunjukkan bahwa alat tangkap yang digunakan belum selektif. CW∞ jantan mencapai 176,93 mm lebih tinggi dari kepiting betina sebesar 169,58 mm, namun sebaliknya nilai koefesien K jantan (0,360) lebih kecil dari betina (0,390), sehingga pertumbuhan kepiting bakau betina lebih cepat dari jantan. Perkiraan angka kematian alami (M) jantan = 0,5566 dan kematian akibat penangkapan (F) jantan = 0,6434 sedangkan M betina = 0,59 dan F betina = 0,41. Laju eksploitasi (E) kepiting jantan mencapai 53,62%, ini dapat dikatakan telah terjadi lebih tangkap atau over eksploitasi. Kata kunci: Scylla serrata, parameter pertumbuhan, struktur ukuran, mangrove and Teluk Bintan ABSTRACTMud crab (Scylla serrata) is one of the potential of small-scale fishery commodities that have high economic value. The abundance of the population is affected by the fishing effort and conditions mangrove ecosystem as its main habitat. Mud crab production in the Gulf of Bintan declined and the cause is not known with certainty. Therefore, it is necessary to study on the biology of mud crab in the Gulf of Bintan. This study aims to assess the status of mangrove crab population that includes the size structure, parameters of growth and the rate of mortality and exploitation. Data retrieval is done with a mangrove crab fisher-based survey. The results showed that the size of mud crab caught from carapace width (CW) 64-172 mm, the size of the young phase male crabs caught females reached 46.62% and reached 48.06%, both are almost half of the total catch, it indicates that fishing gear used is not selective. CW∞ males reach 176.93 mm higher than the female crabs of 169.58 mm, but instead value koefesien K males (0.360) is smaller than females (0.390), so that the growth of female mud crabs faster than males. Estimated natural mortality rates (M) male = 0.5566 and deaths from arrest (F) male = 0.6434 while M females female F = 0.59 and = 0.41. The rate of exploitation (E) male crabs reached 53.62%, can be said to have occurred over fishing or over-exploitation. Keywords: Scylla serrata, growth parameters, structure size, mangrove and bay Bintan

scholarly journals VALUASI EKONOMI EKOSISTEM MANGROVE DI WILAYAH PESISIR KABUPATEN MERAUKE

2016 ◽  
Vol 11 (2) ◽  
pp. 147 ◽  
Author(s):  
Maria MD Widiastuti ◽  
Novel Novri Ruata ◽  
Taslim Arifin
Keyword(s):  
Willingness To Pay ◽  
Economic Valuation ◽  
Economic Value ◽  
Mangrove Ecosystem ◽  
Use Value ◽  
Mangrove Forests ◽  
Value Analysis ◽  
Arafura Sea ◽  
Total Economic Value ◽  
The Government

Ekosistem mangrove mengalami tekanan dan penurunan jasa lingkungan diduga karena abrasi dan fenomena alam serta aktivitas masyarakat seperti penggalian pasir di pesisir pantai. Pemerintah telah melakukan upaya konservasi hutan mangrove dengan cara penanaman kembali, namun belum berhasil. Salah satu permasalahan adalah belum atau tidak adanya informasi nilai ekonomi mangrove sebagai dasar penentuan program konservasi. Penelitian ini bertujuan mengetahui nilai ekonomi ekosistem mangrove di pesisir Laut Arafura meliputi 3 distrik yaitu Malind, Merauke dan Naukenjerai. Metode yang digunakan yaitu TEV (Total Economic Value) yang terdiri dari analisis nilai guna langsung menggunakan harga pasar. Nilai guna tidak langsung dan nilai pilihan menggunakan benefit transfer. Nilai non guna yang terdiri dari nilai keberadaan dan nilai pewarisan menggunakan WTP (willingness to pay). Hasil penelitian menunjukkan bahwa nilai ekonomi hutan mangrove di kawasan pesisir pantai Laut Arafura per tahun sebesar Rp. 213.344.656.759,00 (213 Milyar Rupiah) atau setara dengan Rp. 21.075.240,00/ha/tahun atau setara dengan Rp. 8,6 juta rupiah per kepala keluarga. Title: Economic Valuation In The Coastal Mangrove Ecosystem District MeraukeEcosystem mangrove in Araufra Coastal had underpressure and decreasing environmental services because of abration as natural phenomena, and unsuistainable community activities such as digging sand on the coast. The Government has made the conservation of mangrove forests by replanting, but has not succeeded. One of the problems is not yet or absence of information about the economic value of mangroves as the basis for determining the conservation program. This study aims to determine the economic value of the mangrove ecosystem in the Arafura Sea coast in three districts: Malind, Merauke and Naukenjerai. The methodology using TEV (Total Economic Value) consisting of direct use value analysis using market prices. Indirect use values and the options value using the benefits transfer. Non-use value consist the existence and bequest value using WTP (willingness to pay). The result showed that the economic value of mangrove forests in the coastal regions of the Arafura Sea is Rp. 213.344.656.759,00 (213 billion rupiah per year) or equivalent with Rp. 21.075.240,00/ha/year, or equivalent with Rp. 8,6 million per household.

scholarly journals ECONOMIC VALUATION OF MANGROVE FOREST IN TONGAS DISTRICT, PROBOLINGGO REGENCY, EAST JAVA

2021 ◽  
Author(s):  
Wening Ila Idzatilangi ◽  
Charistoper Romeo Pasau
Keyword(s):  
Mangrove Forest ◽  
Hydrological Cycle ◽  
Economic Valuation ◽  
Economic Value ◽  
Mangrove Ecosystem ◽  
Mangrove Forests ◽  
Direct Benefit ◽  
Review Study ◽  
Very High

It is a literature review study and was undertaken from 1 December to 15 December 2021. This research aims to identifying the economic value of mangrove forest in Tongas District, Problonggo Regency, East Java. The object being researched was the mangrove forest in Tongas District. The study conducted by objectifying mangrove wood as furniture and other materials, while the mangrove ecosystem is a place to maintain the hydrological cycle and quality, as well as a tourist attraction. The economic valuation will be given from the prices in the marketplaces including the online one. The result of this research showed that the yearly benefits of the ecosystem of mangrove area at Tongas District can be grouped into: (1) direct benefit of IDR 6.638.421; (2) indirect benefits of IDR 3.651.710.094.700; and (3) optional benefits of IDR 325.000. With the total value is IDR. 3.651.717.058.121 per year. With indirect values occupy the highest. So, it can be said, if the role of Mangrove forests as environmental providers is very high. It indicates if there is high need to protect the forest.

Economic Valuation of Mangrove Forest Ecosystem in Sinjai

2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Hamzah Tahang ◽  
Amiluddin Amiluddin ◽  
Faisal Amir ◽  
Firman Firman
Keyword(s):  
Forest Ecosystem ◽  
Mangrove Forest ◽  
Economic Valuation ◽  
Economic Value ◽  
Mangrove Ecosystem ◽  
Mangrove Forests ◽  
Average Value ◽  
Mangrove Ecosystems ◽  
Direct Benefits ◽  
And Function

This study aims to identify the type and function of ecosystems of mangrove forests, in Sinjai district and calculate the total economic value of mangrove ecosystems. The analytical method used is economic valuation and willingness to pay community. The results showed that species dominating Rhyzopora sp, Avicennia sp Sonneratia sp and Bruguera sp. The direct benefits to the community from mangrove forest in the area of research are firewood, nipa roof, fish and crabs and bats with economic value of Rp 8,598,020,500 with average value per ha 11,343,117. Indirect value consists of wave breaks of Rp 4,480,000,000 or Rp 448,000,000 / year with an estimated life of the building for 10 years and a carbon sequestration benefit of Rp 153,495,000 a year. Benefit value of Rp203, 250 per ha. The result is multiplied by the total area of the existing mangrove forest ecosystem of 758 Ha, with a total value of biodiversity benefits of Rp 154,063,500 per year. The value of the existence benefit of RP 446,260 ha / yr. With a total area of 758 mangroves, the total benefit of the existence of mangrove ecosystems in Kabupatem Sinjai amounted to Rp 338,265,080 / year. The economic benefit value of Total mangrove sinjai is Rp 13,723,844,080 while the total benefit value per ha is Rp 22,816,656 per year.Keywords: Bennefit economic, Mangrove ecosystem, economic valuaition, Sinjai

scholarly journals Socio-economics of mangrove ecosystem in South-eastern Ayeyarwady Delta area of Myanmar

2019 ◽  
Vol 8 (6) ◽  
pp. 226-236
Author(s):  
Kyi Kyi Myint
Keyword(s):  
Mangrove Forest ◽  
Economic Value ◽  
Mangrove Ecosystem ◽  
Local People ◽  
Mangrove Forests ◽  
Delta Area ◽  
Mangrove Ecosystems ◽  
Welfare Losses ◽  
Local Areas ◽  
Global Welfare

Coastal communities are dependent on the resources available in mangrove ecosystems. The loss of these ecosystems would mean local, national and global welfare losses. Healthy mangrove ecosystems were related with integrated ecological and economical processes by local people. In the present study, uses of mangroves, products and the fishery status of local areas have been studied. The mangrove forests from the study areas provide charcoal, firewood, food and some medicinal plants for local people. To assess the economic value of the regions, the local people from three villages who lived in and near the mangrove forest were questioned and documented. The households studied were categorized into three groups such as poor, middle and rich class and then their monthly income and kinds of jobs studied. The products and works based on mangrove forest and water ways of study areas were the production of Nipa thatches, dried fishes, dried shrimp, nga-pi, pickled shrimp, shrimp sauce and charcoals.

scholarly journals Mangrove ecosystem in North Sumatran (Indonesia) forests serves as a suitable habitat for mud crabs (Scylla serrata and S. olivacea)

2021 ◽  
Vol 22 (3) ◽  
Author(s):  
RIKA KARNIATI ◽  
NURDIN SULISTIYONO ◽  
RIZKA AMELIA ◽  
BEJO SLAMET ◽  
YUNTHA BIMANTARA ◽  
...  
Keyword(s):  
Dissolved Oxygen ◽  
Abiotic Factors ◽  
Economic Value ◽  
Canopy Cover ◽  
Stand Density ◽  
Mangrove Ecosystem ◽  
Scylla Serrata ◽  
Suitable Habitat ◽  
Biotic Factors ◽  
Mud Crabs

Abstract. Karniati R, Sulistiyono N, Amelia R, Slamet B, Bimantara Y, Basyuni M. 2021. Mangrove ecosystem in North Sumatran (Indonesia) forests serves as a suitable habitat for mud crabs (Scylla serrata and S. olivacea). Biodiversitas 22: 1489-1496. Mud crabs (Scylla serrata and Scylla olivacea) are often found in muddy substrates associated with mangrove vegetation. The habitat of these crabs ranges from tropical estuaries to sheltered subtropical areas, riverbanks, lower river traits, and intertidal areas. These crabs have an important economic value, and it increases the income of the communities living around the mangrove area. This study aims to obtain more information on the environmental factors of habitat for mud crabs (S. serrata and S. olivacea): insights on the effects of abiotic and biotic factors and potential economic value, in the village of Lubuk Kertang, Langkat, North Sumatra, Indonesia. Data were collected by measuring abiotic factors (temperature, pH, salinity, dissolved oxygen, mud depth, distance from the river) and biotic factors (mangrove stand density through canopy cover). The dataset was analyzed using a binary logistic regression analysis with a stepwise method. Results showed that the abiotic factors that contributed to the presence of the mud crab were dissolved oxygen and a mud depth of 68.7%. Meanwhile, the remaining 31.3% that contributed to the presence of mud crabs were abiotic factors (temperature, pH, salinity, distance from rivers) and biotic factors (stand density through canopy cover). The present study suggests that dissolved oxygen and mud depth have an important function in predicting the presence of mud crabs.

scholarly journals ANALISIS TINGKAT KERUSAKAN DAN VALUASI EKONOMI HUTAN MANGROVE DI PERAIRAN PANTAI DESA NISOMBALIA KECAMATAN MARUSU KABUPATEN MAROS

2020 ◽  
Vol 3 (1) ◽  
pp. 40-53
Author(s):  
Haryanto Haryanto ◽  
Asbar Asbar ◽  
Hamsiah Hamsiah
Keyword(s):  
Swot Analysis ◽  
Management Strategies ◽  
Economic Value ◽  
Image Interpretation ◽  
Mangrove Ecosystem ◽  
Research Area ◽  
Landsat 8 ◽  
Mangrove Forests ◽  
Strategic Direction ◽  
Space Pattern

This study aimed to analyze the potential of mangrove resources in the study area, analyze the damage to mangrove forests in the study area, and formulate management strategies in the research area that repair mangrove damage. The method used in this study is the analysis of the level of damage based on a direct survey of mangrove conditions, interpretation of Landsat 8 imagery for changes in mangrove cover area, interviews and questionnaires for mangrove economic valuations and SWOT analysis for strategic direction directives. results obtained from mangrove conditions for Rhizopora apiculata showed the highest percentage of closure was 57.81%. The results of image interpretation also showed a reduction and additional area from 2015 to 2019 and for the total economic value in the village of Nisombalia at the time of the study amounted to 35,442,557,718 Million Rupiah. There are 2 directions of mangrove ecosystem rehabilitation strategies which are the main priorities in Nisombalia Village, namely: 1) Restoring mangrove functions in accordance with the ecological rehabilitation space pattern, 2) procurement of mangrove cultivation facilities (nurseries and seedlings) which are managed directly by the community.

scholarly journals Struktur Vegetasi dan Nilai Ekonomi Hutan Mangrove Teluk Youtefa, Kota Jayapura, Papua

2018 ◽  
Vol 6 (1) ◽  
pp. 1-11
Author(s):  
Nurtanti HAndono ◽  
Rosye H.R. Tanjung ◽  
Lisye I. Zebua
Keyword(s):  
Mangrove Forest ◽  
Local Community ◽  
Economic Value ◽  
Mangrove Ecosystem ◽  
Local Communities ◽  
Economic Losses ◽  
Line Transect ◽  
Mangrove Forests ◽  
Importance Value Index ◽  
Importance Value

Increasing population may result in excessive changes of land use and natural resource utilization. Local communities of mangrove forest areas have been dependent heavily on forest conditions to survive. Conversion of forest to development requirements is apparently to affect the structure and income of local communities who live traditionally in the region. The purpose of the study is to understand the structure of mangrove forest vegetation and changes of people's income depending their live on mangrove forests in the Bay of Youtefa, Jayapura. Sampling method was purposive sampling of respondents and mangrove vegetation analysis was conducted using line transect method. The plot size were 10 x 10 m2; 5 x 5 m2; and 2 x 2 m2 used for viewing the ecological importance valua index (IVI) of tree, stake and seedling. The results showed that there were 10 known species of mangrove dominated by Rhizophora apiculata, R. mucronata and R. stylosa respectively. R. mucronata dominated the area and has the highest importance value index (IVI) level. Development structure including means of transportation (flying bridge) have a major impact on the local community Increasing economic losses. There is a decrease of direct income of communities as much as 2.05 billion per year (from 5.65 billion to 3.61 billion per year).Key words: mangrove ecosystem, vegetation structure, economic value, Jayapura.

scholarly journals Studi Morfometrik Kepiting Bakau (Scylla serrate) Forsskål, 1775 (Malacostraca : Portunidae) di Kecamatan Wedung, Demak, Jawa Tengah

2020 ◽  
Vol 9 (4) ◽  
pp. 495-500
Author(s):  
Jakfar Shodiq Panatar ◽  
Ali Djunaedi ◽  
Sri Redjeki
Keyword(s):  
Relative Abundance ◽  
Coastal Waters ◽  
Carapace Width ◽  
Economic Value ◽  
Growth Patterns ◽  
Scylla Serrata ◽  
Mangrove Forests ◽  
Mud Crab ◽  
Width Distribution ◽  
The Relationship

ABSTRAK : Kepiting bakau (Scylla serrata) adalah jenis kepiting yang hidup di perairan pantai, tambak, dan hutan bakau (mangrove). Kepiting bakau (Scylla serrata) merupakan komoditas ekspor bernilai ekonomis tinggi yang sangat potensial untuk dikembangkan dan memiliki nilai ekonomis yang tinggi di Indonesia, terutama kepiting yang sudah dewasa serta gemuk. Tujuan penelitian ini adalah untuk mengetahui karakteristik morfometrik kepiting bakau (Scylla serrata) seperti kelimpahan relatif kepiting bakau (Scylla serrata), distribusi lebar karapas, dan hubungan lebar karapas – berat kepiting bakau (Scylla serrata). Analisis yang digunakan dalam penelitian ini yaitu kelimpahan realatif kepiting dan analisis regresi. Penelitian ini dilaksanakan pada bulan Februari – April 2019 di Kecamatan Wedung, Demak. Materi yang digunakan pada penelitian ini adalah sampel kepiting bakau (Scylla serrata) hasil tangkapan nelayan di daerah tersebut. Kepiting bakau hasil tangkapan nelayan tersebut dihitung jumlahnya, diidentifikasi jenis kelaminnya, diukur lebar karapas dan ditimbang beratnya.  Hasil penelitian menunjukkan bahwa Kepiting bakau (Scylla serrata) yang tertangkap pada bulan Februari – April 2019 diperoleh 300 individu yang terdiri dari 202 jantan dan 98 betina. Rata – rata ukuran lebar karapas tertinggi berkisar 9.8 cm pada hasil tangkapan di bulan Februari. Hubungan lebar karapas – berat Kepiting bakau (Scylla serrata) baik jantan maupun betina menunjukkan pola pertumbuhan allometrik negatif. ABSTRACT : Giant mud crab (Scylla serrata) are types of crabs that live in coastal waters, ponds, and mangrove forests. Giant mud crab (Scylla serrata) is a high economic value export commodity that has the potential to be developed and has high economic value in Indonesia, especially crabs that are mature and fat. The purpose of this study was to determine the morphometric characteristics of giant mud crab (Scylla serrata) such as relative abundance of giant mud crab (Scylla serrata), carapace width distribution, and the relationship between carapace width - weight of giant mud crab (Scylla serrata). The analysis used in this study is the relative abundance of giant mud crab and regression analysis. This research was conducted in February - April 2019 in the subdistrict of Wedung, Demak. The material used in this study was a sample of giant mud crab (Scylla serrata) from the fishermen catch in the area. The giant mud crab captured by the fishermen are counted, identified by sex, measured in carapace width and weighed. The results showed that giant mud crab (Scylla serrata) caught in February - April 2019 obtained 300 individuals consisting of 202 males and 98 females. The highest average carapace width ranges from 9.8 cm in catches in February. Relationship between carapace and weight of giant mud crab (Scylla serrata) both male and female showed negative allometric growth patterns. 

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