Raster representing a potential/suitability score for non-intensive and integrated, small-scale, African Catfish and Nile Tilapia fish farming systems, using ponds and small water bodies (SWB), in AtlasAI asset wealth index (AWI) areas bellow the national average. Produced under the scope of FAO’s Hand-in-Hand Initiative, Geographical Information Systems - Multicriteria Decision Analysis for value chain infrastructure location and the Projet de Développment des Châinnes de Valeur de l'Élevage et de la Pisciculture (PD-CVEP) suitability analysis for the establishment of Aqua Park areas.
Considered non-intensive systems are: based on natural food supply from SWB or ponds; feed from integrated systems (crop/livestock byproducts or waste) or; with complementary feeding resourcing to on-farm or locally produced feed.
The score results from combining sub-model outputs characterizing biophysical and economical factors:
1. farm-gate sales - based on population density classification
2. Water balance - precipitation/evapotranspiration
3. Soil/slope suitability.
4. Inputs - Crop and livestock byproducts
Considered constraints or exclusive criteria are:
1. Urban areas
2. Protected areas
3. AWI bellow national average
It consists of an arithmetic weighted sum of normalized grids (0 to 100):
("WaterBalance" X 0.5) + ("Soil/Slope " X 0.25) + (“Byproducts” X 0.125) + (”FarmgateSales” X 0.125)
Data publication: 2021-11-01
Contact points:
Metadata Contact: FAO-Data
Resource Contact: Nelson Ribeiro
Data lineage:
Data sources, FAO Hand-in-Hand Geospatial Platform and OpenStreetMap (open data) and the following datasets:
- AtlasAI
• Atlas AI Population Density (Africa, 2020) *
• Atlas AI's Asset Wealth Index (AWI)
- Farm-gate sales :
Class 4 - Very suitable: 150-300 [h/km²]
Class 3 – Moderately suitable: 25-149 [h/km²]
Class 2 – Marginally suitable: 1-24 [h/km²]
Class 1 – Unsuitable: <1 and >300 [h/km²]
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constraint 'urban areas' = pop density>1600 habitants/km² AND area>50km²
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WaPOR_2
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Water Balance: precipitation and evapotranspiration monthly time-series (2009 to 2020) mean water balance modelling values: (Precipitation 1.1) - (evapotranspiration1.3)
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Soil/Slope - (1.5X soils) + Slope. Soil data from FAO (soil suitability for ponds), slope Watershed DEM 30s classification.
Class 4 - Very suitable: <2
Class 3 – Moderately suitable: 2 - 5
Class 2 – Marginally suitable: 5 - 8
Class 1 – Unsuitable: > 8
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GAEZ v4 Theme 5: Actual Yield and Production
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GLW Gridded Livestock of the World - Gridded Livestock of the World (GLW 3 2010) - Chicken and duck.
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UNEP-WCMC and IUCN (2021), Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM) [Online], May 2021, Cambridge, UK: UNEP-WCMC and IUCN. Available at: www.protectedplanet.net.
Resource constraints:
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 IGO (CC BY-NC- SA 3.0 IGO)
Online resources:
Download zipped package containing - non-intensive fish farming systems location score - AWI dataset and .sld style file.
