Answer to Question #103239 in Geography for Odyek Ivan Blick

Question

1. What are some of the management practices mostly done in wetlands?
2. How have human activities carried out in wetlands affect it positively and negatively?

Answer 1

1. Drying up the wetlands, stream channelization, dam construction, discharge of industrial wastes and municipal sewage, runoff urban and agricultural areas.
2. Human activities decrease the biodiversity, alter the life of ecosystems, increase erosion of nearby areas, increase the sedimentation in low wetlands. Positive effects are the ability to control the mosquito and other dangerous insects and animals.