The Colombian landscape is damaged through the constant deforestation caused by clearing of fields for coca cultivation and government efforts to eradicate the coca plants.[6] Soil erosion and the chemical pollution caused by aerial spraying of glyphosate herbicide also have negative effects on Colombia's environment and people. [7]
Plots denuded of coca plants by mechanical means (burning or cutting) or chemical herbicides, such as glyphosate, are abandoned and cause serious problems with erosion in seasonal rains. Because of the continuous high demand for coca, once a plot is destroyed the planters simply move further into the forest, clearing new lands for coca production. It is this vicious cycle of unsustainable cultivation-eradication that has caused the environment in coca producing zones to suffer substantial decline.
Aerial spraying of glyphosate herbicide, one of the most controversial methods of coca eradication, has taken place in Colombia exclusively because of that government's willingness to cooperate with the United States in the militarized eradication of coca after signing Plan Colombia in 2000. In fact, Colombia is the only country in the world that permits aerial-spraying of drug producing crops.[8] In many cases the spraying is carried out by American contractors, such as DynCorp, using planes and helicopters to spray glyphosate on coca plantations. Aerial spraying has been repeatedly condemned by human rights and environmental activists because of its effect on human populations and local soil and water systems. In December 2000, Dutch journalist Marjon van Royen found that "because the chemical is sprayed in Colombia from planes on inhabited areas, there have been consistent health complaints [in humans]. Burning eyes, dizziness and respiratory problems being most frequently reported." In some areas, 80 percent of the children of the indigenous community fell sick with skin rashes, fever, diarrhoea and eye infections.[9] Because the glyphosate is sprayed from the air, there is a much higher chance of human error when spraying suspected illegal coca plantations. In many cases the wrong fields are sprayed, resulting in not only a total loss of the farmer's crop- but the loss of that field altogether as nothing will grow where the herbicide has been sprayed.[8] Though official documentation of the health effects of glyphosate spraying in Colombia are virtually non-existent, neighbouring Ecuador has conducted studies to determine the cause of mysterious illnesses amongst people living along the border of Colombia and has since demanded that no aerial sprayings occur within 10 km of the border because of the damages caused to the people, animals and environment in that area.[8]
ภูมิทัศน์โคลัมเบียเสียหายผ่านการตัดไม้ทำลายป่าคงเกิดจากการล้างของปลูกโคคาและรัฐบาลพยายามขจัดพืชโคคาพังทลายของดิน [6] และมลพิษสารเคมีที่เกิดจากการพ่นสารกำจัดวัชพืชไกลโฟเสตทางอากาศยังมีผลลบของโคลอมเบียสภาพแวดล้อมและคน [7]Denuded โค้กพืช โดยวิธีกล (การเขียน หรือตัด) หรือสารเคมีสารเคมีกำจัดวัชพืช เช่นไกลโฟเสต ผืนจะถูกทอดทิ้ง และทำให้เกิดปัญหาร้ายแรงกับพังทลายในฝนตามฤดูกาล เนื่องจากความสูงต่อเนื่องสำหรับโค้ก เมื่อทำลายแผน การแพลนเตอร์เพียงแค่ย้ายเพิ่มเติมเข้าไปในป่า หักใหม่ที่ดินสำหรับการผลิตโค้ก รอบนี้อึมครึมของนั่นเพาะปลูกที่เกิดสภาพแวดล้อมในโค้กผลิตโซนประสบพบปฏิเสธ unsustainable ได้Aerial spraying of glyphosate herbicide, one of the most controversial methods of coca eradication, has taken place in Colombia exclusively because of that government's willingness to cooperate with the United States in the militarized eradication of coca after signing Plan Colombia in 2000. In fact, Colombia is the only country in the world that permits aerial-spraying of drug producing crops.[8] In many cases the spraying is carried out by American contractors, such as DynCorp, using planes and helicopters to spray glyphosate on coca plantations. Aerial spraying has been repeatedly condemned by human rights and environmental activists because of its effect on human populations and local soil and water systems. In December 2000, Dutch journalist Marjon van Royen found that "because the chemical is sprayed in Colombia from planes on inhabited areas, there have been consistent health complaints [in humans]. Burning eyes, dizziness and respiratory problems being most frequently reported." In some areas, 80 percent of the children of the indigenous community fell sick with skin rashes, fever, diarrhoea and eye infections.[9] Because the glyphosate is sprayed from the air, there is a much higher chance of human error when spraying suspected illegal coca plantations. In many cases the wrong fields are sprayed, resulting in not only a total loss of the farmer's crop- but the loss of that field altogether as nothing will grow where the herbicide has been sprayed.[8] Though official documentation of the health effects of glyphosate spraying in Colombia are virtually non-existent, neighbouring Ecuador has conducted studies to determine the cause of mysterious illnesses amongst people living along the border of Colombia and has since demanded that no aerial sprayings occur within 10 km of the border because of the damages caused to the people, animals and environment in that area.[8]
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