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Table 2 Problems caused by the invasion of A. mangium that has altered the routines of the indigenous residents of the Moskow and São Domingos communities in the Moskow and Malacacheta Indigenous Lands, in the Serra da Lua region, Roraima State, Brazil

From: Local ecological knowledge concerning the invasion of Amerindian lands in the northern Brazilian Amazon by Acacia mangium (Willd.)

Problems cited

Numbers of citations

% of interviewees

Alterations of water resources

67

71.3

Prejudicial to cultivation

57

60.6

Disequilibrium of the fauna

49

52.1

Well and river water drying more rapidly

44

46.8

Altered water color

44

46.8

Increased presence of bees

39

41.5

Increased work for farm plot preparation

39

41.5

Restricted access to surrounding lands

22

23.4

No problems with the water

14

14.9

No problems cited

10

10.6

Increased presence of snakes

8

8.5

Increased presence of rats

7

7.4

Well water salty

3

3.2