Post on 19-Sep-2019
1
EIA METHODOLOGY IMPACT IDENTIFICATION METHODS
CHECKLISTS MATRICES Leopold matrix NETWORKS Vic Falls National Park case MAP OVERLAYS & GEOGRAPHIC INFORMATION SYSTEMS
GIS as a powerful tool for cumulative effects assessment COMPUTER EXPERT SYSTEMS PROFESSIONAL EXPERIENCE
The best way to go: combination of 2 different techniques tailor-made for the particular situation
2
OVERFLY : “flight of the angels”
OVERROOF
VICTORIA FALLS National Park EIA NETWORK (Zimbabwe/Zambia)
The falls were “discovered” by D. Livingstone in mid XIX
SETTING UP THE SCENE
3
NETWORK: impact linkages leading to changes in quality of life, wildlife and tourism Victoria Falls National Park (Zimbabwe-Zambia)
4
CHOICE OF EIA METHOD DEPENDS ON:
Type and size of the proposal Type of alternatives being assessed Nature of the likely impacts
Nature of the EIA methods Direct, Indirect effects, Cumulative (synergistic) impacts
Resources available Cost, info, time, personnel
Nature of the public involvement
Experience of the proponent with the project type, size Procedural/administrative requirements
5
6
What is an IMPACT? Spatial/temporal change in environmental parameter over a specified period and within a defined area, resulting from a particular activity compared with the situation which would have occurred had the activity not been initiated
7
Site comparison matrix for a quarry
8
IMPACTS OF LAND USES AND CHANGES ON SELECTED HYDROLOGICAL PARAMETERS
9
Environmental impact matrix without mitigation