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Public Lands Utilization Study

Quarterly Report

University of Arizona and Clark University Activities

July to September 1998


Program I

Component Two: Develop Prototype Environmental Information System (EIS)

Report from the Environmental Advisor

Reports from Technical and Policy Advisors

Transition: PLUS to the Prototype EIS

This is now complete for all spatial data. A version of the PLUS socioeconomic and ecological SPSS statistical data that have been structured in SPSS to correspond to guidelines set up for spatial data will be delivered to key research institutes in Malawi in November 1998.

Image processing activities for south central Malawi

All of Malawi is covered by 11 Landsat Thematic Images. The south-central region, including the Middle Shire, is captured by the four images covering territory physically north of Ngabu ADD. Using Landsat imagery nomenclature, these are named by satellite path/row as follows:

P168/R070 P167/R070
P168/R071 P167/R071

While this images were delivered to Malawi in June 1998, ARSC collaborated with several agencies in order to assist in projects not directly related to the Middle Shire Analysis. These are detailed in the table below.

Middle Shire Analysis

The efforts of ARSC, the Department of Surveys, LRCD, and Forestry for the prototype EIS objective of erosion hazard modeling are almost complete. Most of the key data have been captured and quality checked. Obstacles concerning misregistration of the Satellitbild 1991 land cover and the LREP edge-matching problems on soils data remain, but are being addressed through methods agreed between the collaborating agencies. In addition, the boundary of the Rivi-Rivi portion of the study area recently was expanded again, require addition digitizing. In terms of land area, the importance of Middle Shire to Malawi’s total land (9.4 million hectares) is noted in the table below:

Middle Shire Region

Land Area

Percent of Malawi’s

(ha)

Total Land

Blantyre ADD

1,021,852

11%

Machinga ADD

1,464,644

16%

Rivi-Rivi

923,774

10%

Total

3,410,270

36%

The status of each base data layer and corresponding analysis efforts is noted in the table below:

Summary of Prototype EIS Spatial Data Development

Data Layer

Blantyre ADD

Machinga ADD

Rivi-Rivi

 

Capture

QA/QC

Metadata

Capture

QA/QC

Metadata

Capture

QA/QC

Metadata

Base Data

                 

Survey Sheets

(1:250,000)

                 

Contours (100m)

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Streams

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Roads

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Boundary

Ö

Ö

Ö

Ö

Ö

Ö

**

   

LREP
(1:250,000)

                 

Agroclimate

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Ö

Soils

Ö

Ö

Ö

Ö

Ö

Ö

Ö

   

Satellitbild

(1:250,000)

                 

1991 Land Cover

Ö

*

*

*

*

*

*

*

*

Analysis

                 

DEM

Ö

   

Ö

         

Shaded Relief

Ö

   

Ö

         

Erosion Hazard

*

   

*

         

*The completion of QA/QC of these data layers with the assistance of Malawian participants in the May-June training revealed fundamental problems in the original data. In the case of LREP soils, the soil categories along with edges of separate map sheets do not consistently match (and in many cases are dramatically different). In the case of Satellibild’s 1991 Land Cover map, there appears to be a registration or projection error that has resulted in a 1-3 km shift in where the land cover classes fall relative to the original images the classes were derived from. Experts from key Malawian EIS agencies are discussing options for addressing these problems.

**The boundary for what we are calling Rivi-Rivi has actually expanded several times in the past nine months as requests for a broader definition of the "Middle Shire" watershed have come in. In addition, ARSC has attempted to include all areas proposed by other USAID intervention efforts (i.e. agroforestry and small agricultural business) as having high potential that are near the Middle Shire.

A strategy for addressing the Satellitbild 1991 land cover misregistration was designed in September 1998. It will involve "rubber-sheeting," part automated and part manual to shift the land cover boundaries to match the original imagery, with focus on high elevation classes (which are much easier to differentiate on the false color composite images).

Program II

Component Two: Provide Training for MEMP Participating Agencies, External Training

Participant Training – Continued Communication and Collaboration

Four individuals central to EIS development efforts in Malawi participated in a Spatial and Temporal Modeling of Land Cover Conditions Course conducted in Tucson between 25 May and 30 June 1998. The participants included:

Patrick S. Jambo, Department of Forestry

Geoffrey C. Mzembe, Department of Surveys

Mesheck L.M. Kapila, Department of Land Resources Conservation

Vincent A.L. Mkandawire, Department of Land Resources Conservation

ARSC has been able to establish semi-regular (when phone lines permit) e-mail and fax communication with these individuals and others from their respective departments interested in EIS development. This improved communication has resulted in multi-sector efforts to address common problems and a sharing or dividing of tasks.

The table below depicts collaborative efforts with four Malawians (and their respective agencies) and their efforts to use the EIS as a tool to address environmental issues. In each case, the respective agency made a request for specific information, some of which was already available in the prototype EIS database, and some which had to be captured/processed. ARSC teamed up with each agency and assisted in addressing each issue individually. The results of the collaborative efforts were delivered to Malawi in August 1998.

Researcher &

Department

 

Study Area & Project

Supplied in June

(all as .lan files)

Recently Processed Data

(all as .lan files)

Jeffrey Mzembe
Department of Surveys

Kasungu National Park
New Independent Project

1994 ‘raw’ image (p123, r345)
1994 atm-rad corrected

1984 ‘raw’ image

 

1984 atm-rad corrected

Meshek L. Kapila
Land Husbandry Training Center

Zomba Forest Reserve
PLUS

1994 ‘raw’ image
1994 atm-rad corrected
1994 georectify

1984 ‘raw’ image
1984 atm-rad corrected
1984 georectify

 

 
 

Musisi Forest Reserve (Karonga)
New Independent Project

1994 ‘raw’ image
1994 atm-rad corrected

1984 ‘raw’ image

 

1984 atm-rad corrected

Patrick S. Jambo
Forestry Department Headquarters

Namizimu Forest Reserve
PLUS

1994 ‘raw’ image

1994 atm-rad corrected

1994 georectify

1984 ‘raw’ image

1984 atm-rad corrected

 

1984 georectify (PLUS)

 

Nyka National Park

New Independent Project

1994 ‘raw’ image

1994 atm-rad corrected

1984 ‘raw’ image

 

1984 atm-rad corrected

Vincent Mkandawire

LRCD

Lilongwe Area

New Independent Project

1994 ‘raw’ image

1994 atm-rad corrected

1984 ‘raw’ image

1984 atm-rad corrected

For information about work done during this period, please see:

Trip Report 8/97

Development of a Functional National Level Environmental Environmental Information System (EIS) in Malawi

Institutional Assessment and EIS Strategy Review

MEMP Workplan, 1998-1999


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