Which of the following is contributing to desertification?
Human activities that contribute to desertification include the expansion and intensive use of agricultural lands, poor irrigation practices, deforestation, and overgrazing. These unsustainable land uses place enormous pressure on the land by altering its soil chemistry and hydrology.
What is contributing to desertification in northern Mexico?
What are the contributing factors of desertification in northern Mexico? – new patterns of rainfall. – increased clearing for new neighborhoods, farming, and ranching.
Which of the following are two causes of deforestation in Mexico?
The major drivers of deforestation in Mexico, according to their REDD+ Readiness Plan, or R-PP, are land use change for agriculture and livestock (82 percent), illegal logging (8 percent), and forest fire and disease (6 percent).
What produces much of Mexico’s power supply?
The largest source of renewable power generation is hydroelectric power. Mexico had 13 million kW of hydroelectric capacity in 2018, which accounted for 17% of the country’s total installed electrical capacity. Hydroelectricity supplied about 10% of Mexico’s total electricity generation in 2018.
What are the 3 main causes of desertification?
Overgrazing is the major cause of desertification worldwide. Other factors that cause desertification include urbanization, climate change, overuse of groundwater, deforestation, natural disasters, and tillage practices in agriculture that make soils more vulnerable to wind.
What is Mexico the world’s leading producer of?
Mexico is among the world’s largest producers of oil, silver, copper, gold, lead, zinc, natural gas and wood. Other minerals, such as mercury, cadmium, antimony, manganese, iron and coal are also found.
Which of these are causes of desertification quizlet?
What causes desertification? Over cultivation, overgrazing, deforestation, slash and burn, climate change.
What are the causes of drought and desertification?
Inappropriate land use, such as monocultures, and unsustainable land management practices, such as deforestation, unsuitable agricultural practices and overexploitation of water resources), can cause land degradation that can be further aggravated by drought.
What caused land subsidence in Mexico City?
In fact, the foundation of the Basilica on the left is sinking and this sinking phenomenon is happening throughout Mexico City, where long-term extraction of groundwater has caused significant land subsidence and associated aquifer-system compaction, which has damaged colonial-era buildings, buckled highways, and …
What are the effects of deforestation in Mexico?
Deforestation leads to a multitude of negative environmental impacts. The loss of trees, which retain soil with their roots, means that after heavy rains water erodes the soil into rivers, causing landslides and floods. The sediment in rivers is increased which drowns fish eggs, causing a decrease in hatching rates.
Which of the following has not led to deforestation in Mexico?
Which of the following has NOT led to deforestation in Mexico? an increase in droughts due to climate change.
What caused land subsidence in Mexico City quizlet?
What has caused land subsidence in Mexico City? The land underneath the buildings has been emptied of water. … -More people need more food and water, causing forests to be cut down and water to be high in demand.
Why does Mexico City’s geography make air pollution a greater problem?
Located in the crater of an extinct volcano, Mexico City is about 2,240 metres above sea level. The lower atmospheric oxygen levels at this altitude cause incomplete fuel combustion in engines and higher emissions of carbon monoxide and other compounds. Intense sunlight turns these into higher than normal smog levels.
Which mineral helps to support Mexico’s steel industry?
Which mineral helps to support Mexico’s growing steel industry? Where is this mineral located in Mexico? Iron/On the coast next to the Gulf of California and the Pacific Ocean. Mexico’s leading exports include petroleum, copper, salt, sulfur, silver, and zinc.
How do favelas contribute to pollution?
How do favelas contribute to pollution? They are sources of untreated sewage.