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Assessment of tree resources in home gardens

Study area

This study was carried out in 22 administrative districts (out of a total of 25) covering 242 divisional secretary divisions (out of a total of 302). Details of the study area are given in Table 5 while Figure 5 shows the geographical coverage of the study.

Table 5. Study area

District

No. of DS divisions

No. of GN divisions

No. of DS divisions covered

No. of GN divisions covered

% coverage

Ampara

17

505

9

261

51.7

Anuradhapura

21

695

20

678

97.6

Badulla

14

532

13

501

94.2

Batticaloa

12

347

11

330

95.1

Colombo

11

551

10

551

100.0

Galle

16

907

16

907

100.0

Gampaha

13

1 180

12

1 143

96.9

Hambantota

11

576

9

528

91.7

Jaffna

14

444

0

0

0.0

Kalutara

11

763

11

763

100.0

Kandy

18

1 204

16

996

82.7

Kegalle

10

576

10

576

100.0

Kilinochchi

4

95

0

0

0.0

Kurunegala

27

1 610

24

1 492

92.7

Mannar

5

152

2

67

44.1

Matale

11

545

11

545

100.0

Matara

14

676

14

676

100.0

Monaragala

10

319

10

319

100.0

Mullativu

5

127

1

46

36.2

Nuwara Eliya

5

438

5

438

100.0

Polonnaruwa

6

290

6

290

100.0

Puttalam

16

548

12

517

94.3

Ratnapura

16

576

13

507

88.0

Trincomalee

11

220

5

97

44.1

Vavunia

4

101

2

39

38.6

TOTAL

302

13 977

242

12 267

87.8

Methodology

The study was conducted at GN division levels. There are about 13 970 GN divisions and data were collected in 12 267 GN divisions covering 87 percent of the country. Each household in the GN division was visited during the 1996 assessment. Trees grown in home gardens were classified in three categories based on their main uses: timber, timber and food, and food. Species were noted and classified according to two girth classes (below and above 30 cm girth). Data collected at the GN division level were compiled subsequently toDS division levels.

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