Table 3 Households’ perceptions about the introduction, abundance and spread of P. juliflora in Amibara district

Knowledge

A great deal

45

34.6

A fair amount

8

6.1

Some

55

42.3

Very little

18

14

No response

4

3

Source of information

Own experience

74

57

Friends and family

49

38

DAs^a

7

5

Origin

Worer irrigation

83

64

Do not know

47

36

Agent of introduction

Foreigners

103

79

Do not know

27

21

Year of introduction

> 30 years

67

51.5

> 25 years

36

27.5

> 20 years

22

17

Do not know

5

4

Purpose of introduction

Combating desertification

83

64

Greening up region

8

6.1

Firewood and fodder

30

23

Rehabilitating soil

3

2.3

Do not know

6

4.6

Agents of spread

Animal dung

121

93.1

Human being

3

2.3

Flood and wind

6

4.6

Abundance

Increasing

130

100

Reason for abundance

Animal mobility

68

52.3

Ability to resist harsh environment

52

40

Do not know

10

7.7