1. Sewage from houses, shops 2
.Wastewater; wastewater from production, residential buildings. Shop and cafeteria substances may be mixed to various chemicals, which when dumped into the river. Will cause intoxication with organisms in water
3.The fertilizer used in agriculture. When it rains, rain will wash out the nitrogen flow through the ground into the river. Help the algae grow well, a lot of, rising tide color, smell and taste, when สาหร่ายเหล่านี้ died down.The ceiling white floating on water
.4 Pesticides and herbicides, most are chemicals that are sometimes poisonous. When leached down into the water, it is toxic to plants and animals 5
.The use of land, the lack of control. Land use, the two sides or around the water that the lack of control or limit. Have effect on the quality of the water!Land use, the two sides or around the water that the lack of control or limit. Have effect on the quality of the water!6 if wildfires in the area that is the source of water to make the waste ash sediment, as well as various pollutants flowing into the water!
การแปล กรุณารอสักครู่..