Table 3

Reasons for the increase incidence of Zonocerus variegatus in crop fields in the humid forest zone of Southern Cameroon.

All

Female

Male


Reasons

Ydé

Mbyo

Ebwa

Means

Ydé

Mbyo

Ebwa

Means

Ydé

Mbyo

Ebwa

Means


Increased surfaces of herbaceous and C. odorata fallows

50

90

80

73

40

80

80

67

60

100

80

80

Deforestation

60

60

60

60

40

60

60

53

80

60

60

67

High reproductive rate of Z. variegatus

20

80

20

40

0

80

0

27

40

80

40

53

Lack, suppression or reduction of control measures against Z. variegatus

30

20

20

23

20

0

0

7

40

40

40

40

Increased food host range of Z. variegatus

40

20

10

23

60

20

0

27

20

20

20

20

Absence, suppression or reduction of human consumption of Z. variegatus

10

10

10

10

0

0

0

0

20

20

20

20

Wide colonization of the fields by weeds

10

0

10

7

0

0

0

0

20

0

20

13

Increase sun shine levels

10

20

10

13

0

20

20

13

20

20

0

7

Favorable climatic conditions

0

20

30

17

0

20

40

20

0

20

20

13

Change of the crop types

10

0

0

3

20

0

0

7

20

0

0

7

Reduction of spaces in sugar cane crop

10

0

10

7

20

0

0

7

0

0

20

7

Climatic changes

20

20

30

23

0

20

20

13

40

20

20

27

Presence of cassava

0

10

0

3

0

0

0

0

0

20

0

7

Possible change of the species of Z. variegatus

10

0

0

3

20

0

0

7

0

0

0

0


The values (% of answer) are averages for 10 groups of farmers (5 male and 5 female groups) interviewed per block. AECD-Blocks = Agro-Ecological, Cultural and Demographic Blocks. Ydé : Yaoundé, Mbyo: Mbalmayo, Ebwa: Ebolowa.

Kekeunou et al. Journal of Ethnobiology and Ethnomedicine 2006 2:17   doi:10.1186/1746-4269-2-17

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