| Title
|
Predicted areas of suitability for tsetse flies: South Eastern Africa |
| Date
|
2003-02-01 |
| Date type
|
Creation: Date identifies when the resource was brought into existence
|
| Edition
|
first |
| Presentation form
|
Digital map: Map represented in raster or vector form
|
| Abstract
|
The dataset contains the predicted areas of suitability for morsitans tsetse species. The distribution has been produced
using variations of the same methodology - by modelling the "known" presence and absence of the flies (usually the 1977 Ford
and Katondo maps modified with more recent information collected from national and international agencies and researchers).
The modelling process relies on logistic regression of fly presence against a wide range of predictor variables for a large
number of regularly spaced sample points for each area. The predictor variables include remotely sensed (satellite image)
surrogates of climate - vegetation, temperature, moisture - which have been subjected to Fourier processing to provide an
additional set of season and timing related measures for each parameter. Demographic, topographic and agroecological predictors
are also used. These models are then applied to the predictor imagery to determine the predicted areas of suitability for
tsetse. Data are provided at 1 kilometre resolution. The map was produced in February 2003 for FAO/IAEA Joint Division
by Environmental Research Group Oxford (ERGO Ltd) in collaboration with the Trypanosomosis and Land Use in Africa (TALA)
research group.
|
| Status
|
Completed: Production of the data has been completed
|
|
|
| Maintenance and update frequency
|
As needed: Data is updated as deemed necessary
|
| Descriptive keywords
|
african tripanosomiasis (theme). |
| Descriptive keywords
|
Zambia , Zimbabwe , Mozambique (place). |
| Access constraints
|
Copyright: Exclusive right to the publication, production, or sale of the rights to a
literary, dramatic, musical, or artistic work, or to the use of a commercial print or
label, granted by law for a specified period of time to an author, composer, artist,
distributor
|
| Use constraints
|
:
|
| Spatial representation type
|
Grid: Grid data is used to represent geographic data
|
| Language
|
English |
| Character set
|
UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646
|
| Topic category code
|
Biota |
| Topic category code
|
Health |
| Topic category code
|
Environment |
| Topic category code
|
Farming |
|
|
