Forest resources assessment 1990
Tropical countries
FAO FORESTRY PAPER 112
| Forest resources assessment 1990 Tropical countries |
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M-30
ISBN 92-5-103390-0
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Chapter II PREPARATORY STUDIES
1 Review of existing information
2 Review of approaches to assessment
1 Forest cover state and change assessment
2 Forest biomass state and change assessment
3 Survey of deforestation and forest degradation using high resolution satellite data
4 Assessment of forest fragmentation using coarse resolution satellite data
1 Forest cover state and change assessment
2 Forest biomass state and change assessment
3 The process of deforestation and forest degradation
1 Forest management for conservation
2 Forest management for wood production
Annex 2 Abstract of technical reports and field documents
Annex 5 Country correspondents
1 State of forest inventory in the tropics at end 1990
2 Allocation of sampling units by region and expected standard error
3 Observations used for state and change assessment
4 Estimates of forest cover area and rate of deforestation by geographical subregion
5 Comparison of FAO/UNEP 1980 assessment with FAO 1990 assessment
6 Estimates of forest cover area and rate of deforestation by main ecological zone
7 Indicative estimates of species loss amongst higher plants due to deforestation
8 State of forest biomass and annual losses due to deforestation
9 Potential and actual biomass density and total biomass for forests of Tropical Asia by ecological zone
10 The change matrix for the Africa region based on the 31 samples
11 Changes in forest area by ecological zone - Tropical Africa region
12 Initial expected and present expected standard errors of forest cover estimates
13 Edge/core statistics in Acre State
14 Edge/core statistics in Rondonia State
15 Edge/core ratio in Acre and Rondonia, Brazil
16 Relation between edge/core ratio and deforestation
17 Extent of notified forest in the tropics classified by forest function at end 1990
18 Number and extent of conservation areas in the forestry, wildlife and other sectors
19 Estimated harvesting intensities and areas of broadleaved forest harvested annually
20 Reported and net forest plantation areas in the tropics at 1990
21 Estimates of reported areas of the main species
1 Objectives and outputs of the Forest Resources Assessment 1990
2 Forest cover state and change assessment (using existing reliable data)
3 Illustration of model curves for different ecological zones
4 Pan-tropical continuous forest resources survey design
5 Example of spatial and statistical outputs
7 Present forest cover by ecological zone
8 Forest proportion vs. population density by forest formation
9 Species/area relationships, plant species - 86 countries
10 Land cover changes, Africa: 1981–90
11 Changes in closed forest cover, Africa: 1981–90
12 Changes in continuous forest cover, Africa: 1981–90
13 Continuous forest cover change by main ecological zone, Africa: 1981–90
14 Changes in pan-tropic forest cover by main ecological zone: 1981–90
15 Forest cover changes by main ecological zone: 1981–90
16 West Africa: NOAA derived forest map
17 Fragmentation vs. deforestation, West Africa
18 Acre: NOAA derived forest map
19 Rondonia: NOAA derived forest map
20 Trends in average annual production of non-coniferous industrial roundwood
21 Estimated areas of tropical closed broadleaved forests harvested annually
22 Annual deforestation and reforestation rates of the period 1981–90