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Introduction

Sri Lanka is a densely populated island with a land area of about 6.5 million ha. Topographically, the country consists of highlands in the south central part of the island, which rise to about 2 500 m, and lowland plains elsewhere. The climate is tropical and maritime. The country is divided into three climatic zones (dry, intermediate and wet) based on annual rainfall. The natural vegetation varies according to the climatic zones. Tropical rain forests are found in the wet zone while sub-montane forests occupy the central highlands. Dry monsoon forest predominates in the dry zone. Logging in natural forests has been banned since 1990 and Sri Lanka meets its timber and fuelwood demands mainly from home gardens, rubber and coconut plantations and forest plantations (Bandaratillake 2001).

Sri Lanka is administered through nine provinces (Eastern, Western, Northern, Southern, Central, Uva, North Central, North Western and Sabaragamuwa) consisting of 25 districts (Figure 1). Each district is divided further into divisional secretariat divisions (DS divisions) that are subdivided into Grama Niladhari divisions (GN divisions), which are the smallest administrative units.

Figure 1. Administrative districts of Sri Lanka               Figure 2. Forest cover of Sri Lanka

The current National Forest Policy formulated in 1995 emphasizes the strict conservation of the remaining natural forests for soil and water conservation and biodiversity while increasing tree cover in other areas to meet the demand for forest products and services. Participatory management has been identified as the key approach to forest resource management.

The Forestry Sector Master Plan (FSMP 1995) outlines the strategies for the development of the forestry sector until 2020 and identified home gardens as the main source of timber and fuelwood. Several studies on the structure, species composition and economics of home gardens have been conducted in parts of the country (McConnell and Dharmapala 1973; Jacob and Alles 1987; Perera and Rajapakse 1991). The earlier studies were confined to the wet hills and lowland home gardens, better known as “Kandyan Forest Gardens”. A comprehensive assessment of the true potential of home gardens to supply industrial timber and other forest products and services is lacking. An attempt to assess the tree resources in home gardens throughout the country was made in 1996 by the Ministry of Forestry and Environment. The survey was carried out by the Grama Niladaries (headmen) under the direction of the divisional secretaries. The collected data are available in tabular form. Unfortunately, the data were never analysed and therefore valuable information on trees in home gardens has not been disseminated. This report provides an analysis of the 1996 data.

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