GIS for land evaluation for shrimp farming in Haiphong of Vietnam

Giap, Dao Huy; Yang, Yi; Yakupitiyage, Amararatne

doi:10.1016/j.ocecoaman.2004.11.003

Cited by 69 publications

(64 citation statements)

References 10 publications

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“…The use of satellite images has permitted monitoring and mapping of areas that require attention concerning the natural resource management [52][53][54]. Aerial survey techniques provide a level of details that allow the visualization of the landscape according to its structure and spatial-temporal distribution.…”

Section: Assessment Of Land Cover and Land Usementioning

confidence: 99%

Brackish Shrimp Farming in Northeastern Brazil: The Environmental and Socio-Economic Impacts and Sustainability

Sá¹,

Sousa²,

Rocha³

et al. 2013

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Despite the economic importance of farmed shrimp, a number of technical, environmental, economic and social problems have been widely reported in the international literature. This paper focuses on the environmental and socio-economic impacts of semi-intensive and intensive shrimp farming in the coastal region of Northeastern Brazil and the identification of options for sustainable production. In this Region, the total area dedicated to shrimp farming is approximately 18,500 ha, of which 5750 ha are located in Ceará State. The estuary of Jaguaribe river has the largest number of shrimp farms in the state of Ceará. Currently, the industry has 64 participating farms with a total area dedicated to shrimp farming of 2411.3 ha. In 2011, the total production was 13,110 tons of shrimp with an average yield of 6.3 ton ha −1 ·year −1 in a pond area of 2071.2 ha. This industry employs 2350 people that represent 23.2% of jobs generated in the two municipalities where the Jaguaribe river estuary is inserted. Compared with other countries, Brazil has reduced its exports due to high cost inputs for shrimp farming. However, the Brazilian shrimp industry has benefited from high domestic prices, despite the decreases in international price of shrimp. In 2011, the prices for size category ranged between U$ 4.67 -6.04 for 80/100 (count of head-on shrimp), U$ 4.95 -6.60 for 70/80 and U$ 5.85 -8.10 for 50/60. The major environmental impacts in this industry have focused on the water pollution and loss of mangroves. However, no change in parameters of water quality was observed during the period 2010-2012, indicating that this estuary has some capacity to process pond-derived nutrients while only 3.7 ha of mangrove forests were used to shrimp pond. The results of this investigation demonstrate that Brazilian shrimp industry requires improved management and development policy for a sustainable growth.

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Section: Assessment Of Land Cover and Land Usementioning

confidence: 99%

Brackish Shrimp Farming in Northeastern Brazil: The Environmental and Socio-Economic Impacts and Sustainability

Sá¹,

Sousa²,

Rocha³

et al. 2013

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“…Scoring of raw data was based on the level of importance of a particular factor that influences green mussel culture system. A set of suitability scores for each criterion was ranked and classified according to Giap et al (2005) and Salam et al (2005) using a scoring system from 1 to 4, with 4 being the most suitable and 1 being not suitable for developing green mussel aquaculture (Table 1).…”

Section: Analytical Proceduresmentioning

confidence: 99%

GEOGRAPHIC INFORMATION SYSTEM-BASED MODELING AND ANALYSIS FOR SITE SELECTION OF GREEN MUSSEL, Perna viridis, MARICULTURE IN LADA BAY, PANDEGLANG, BANTEN PROVINCE

Radiarta¹,

Albasri²,

Sudradjat³

2011

Indonesian Aquaculture Journal

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Green mussel is one of important species cultured in Lada Bay, Pandeglang. To provide a necessary guidance regarding green mussel mariculture development, finding suitable site is an important step. This study was conducted to identify suitable site for green mussel mariculture development using geographic information system (GIS) based models. Seven important parameters were grouped into two submodels, namely environmental (water temperature, salinity, suspended solid, dissolve oxygen, and bathymetry) and infrastructural (distance to settlement and pond aquaculture). A constraint data was used to exclude the area from suitability maps that cannot be allowed to develop green mussel mariculture, including area of floating net fishing activity and area near electricity station. Analyses of factors and constraints indicated that about 31% of potential area with bottom depth less than 25 m had the most suitable area. This area was shown to have an ideal condition for green mussel mariculture in this study region. This study shows that GIS model is a powerful tool for site selection decision making. The tool can be a valuable tool in solving problems in local, regional, and/or continent areas.

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“…Topography, tides, soil, and water qualities as well as climate are considered in enacting criteria for land suitability for ponds aquaculture, particularly for extensive and semi-intensive technologies; however, soil quality is the most dominant factor in criteria for land suitability for ponds aquaculture (Boyd, 1995;Salam et al, 2003;Giap et al, 2005;Karthik et al, 2005;Hardjowigeno and Widiatmaka, 2011;Mustafa, 2012;Mustafa et al, 2015a). Soil quality has a vital role in the successes and sustainability of ponds aquaculture.…”

Section: Introductionmentioning

confidence: 99%

Study on Determination of Categories of Soil Quality Variable Concentrations in Brackish water Ponds of Java Island, Indonesia

Mustafa¹,

Undu²,

Kamariah³

2017

fisheries-aqua

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Abstract:Soil quality plays pivotal role in increasing productivity and brackish water ponds successfulness, including ponds of Java Island, Indonesia. However, the availability of data on concentration categories for soil quality variables for ponds soils in Java Island, which is volcanic-dominated soils and the largest area for ponds in Indonesia, is still scarce. This study was aimed to categories soil quality variable concentrations as an initial point in interpreting pond soils quality of Java Island. Soil samples were collected from two different soil depths of 923 sampling points representing 13 regencies/cities of West Java, Central Java, and East Java Provinces. Twenty soil quality variables were measured based on in-situ and ex-situ measurements. The t-Student and U-Mann Whitney tests were applied to analyses the differences in soils quality at each soil depth which were firstly analyzed using z-score to eliminate outlier data. The data were firstly rearranged from the smallest to the largest data prior to measuring data deciles; the deciles, as considered as the basic measurement, were used for categorizing each soil quality variable. The results of this study indicated that the pH and nutrients are higher at pond top soils, 0-0.2 m compared to that observed on the depth of 0.2-0.5 m. Concentration of soil quality variables such as S KCl , S P , S POS , TPA, TAA, TSA, and pyrite relatively similar between the two depths. Data of each soil quality variable were categorized into very low, low, moderate, high, and very high to facilitate a comparison to other data of ponds soil qualities. The results of this study are not recommended for assessing the relationship between ponds soil quality and ponds productivity; yet are usefull in measuring which variable of ponds soil quality is categorized as very low, low, moderate, high or very high; and also useful in making decision on pond soils quality management in Java Island.

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GIS for land evaluation for shrimp farming in Haiphong of Vietnam

Cited by 69 publications

References 10 publications

Brackish Shrimp Farming in Northeastern Brazil: The Environmental and Socio-Economic Impacts and Sustainability

Brackish Shrimp Farming in Northeastern Brazil: The Environmental and Socio-Economic Impacts and Sustainability

GEOGRAPHIC INFORMATION SYSTEM-BASED MODELING AND ANALYSIS FOR SITE SELECTION OF GREEN MUSSEL, Perna viridis, MARICULTURE IN LADA BAY, PANDEGLANG, BANTEN PROVINCE

Study on Determination of Categories of Soil Quality Variable Concentrations in Brackish water Ponds of Java Island, Indonesia

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