desertification

简明释义

英[dɪˌzɜːtɪfɪˈkeɪʃn]美[dɪˌzɜːrtɪfɪˈkeɪʃn]

n. （土壤）荒漠化；沙漠化（等于 desertization）

英英释义

单词用法

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例句

1.Desertification, is a form of land degradation, by which fertile land becomes desert.

荒漠化这一形式的土地退化，使肥沃的土地变成了沙漠。

2.Experts warn burgeoning populations, climate change are accelerating desertification in region.

专家警告说迅速增长的人口、气候变化将加速地区沙漠化。

3.A: Desertification is the process by which fertile land becomes desert.

答：荒漠化是肥沃的土地变成沙漠的过程。

4.Climate change is inter-linked with other global environmental problems such as deforestation, desertification and freshwater degradation.

气候变化与森林砍伐、荒漠化和淡水退化等其他全球环境问题相互关联。

5.The expansion of desert-like conditions into areas where they did not previously exist is called desertification.

沙漠化是指类似沙漠的生态环境扩张到原本并没有沙漠的区域。

6.Four specific activities have been identified as major contributors to the desertification processes: overcultivation, overgrazing, firewood gathering, and overirrigation.

导致沙漠化的主要因素有四个：过度种植、过度放牧、过度砍伐、过度灌溉。

7.The potential impacts of desertification on health include.

荒漠化对健康的潜在影响包括。

8.Efforts to combat desertification include reforestation and sustainable land management.

抗击荒漠化的努力包括重新造林和可持续土地管理。

9.The rapid increase in population is contributing to the process of desertification.

人口的快速增长正在加速荒漠化进程。

10.Climate change is a significant factor driving desertification in many regions.

气候变化是推动许多地区荒漠化的一个重要因素。

11.Farmers are struggling with desertification that has rendered their land unproductive.

农民们正在与荒漠化作斗争，这使他们的土地失去了生产能力。

12.The government has launched initiatives to prevent desertification in vulnerable areas.

政府已启动倡议，以防止脆弱地区的荒漠化。

作文

Desertification is a significant environmental issue that affects millions of people worldwide. It refers to the process by which fertile land becomes increasingly arid and unproductive, ultimately transforming into desert-like conditions. This phenomenon is primarily caused by a combination of factors, including climate change, deforestation, unsustainable agricultural practices, and overgrazing. As a result, the land loses its ability to support vegetation, leading to a decline in biodiversity and the displacement of communities that depend on agriculture for their livelihoods.One of the most alarming aspects of desertification (沙漠化) is its impact on food security. As arable land diminishes, farmers struggle to grow enough crops to feed their families and local populations. This situation can lead to increased poverty and malnutrition, particularly in developing countries where agriculture is a primary source of income. Additionally, the loss of productive land can trigger migration, as people are forced to leave their homes in search of better opportunities elsewhere. This mass movement can create social tensions and exacerbate existing conflicts over resources.Climate change plays a crucial role in accelerating desertification (沙漠化). Rising temperatures and changing precipitation patterns contribute to prolonged droughts, making it even more challenging for ecosystems to recover. In regions already vulnerable to dry conditions, such as parts of Africa and the Middle East, the effects of climate change can be devastating. The combination of heat and lack of rainfall can lead to the rapid degradation of land, further pushing communities into poverty.Deforestation is another major driver of desertification (沙漠化). Trees play a vital role in maintaining soil health and preventing erosion. When forests are cleared for agriculture or urban development, the soil becomes exposed and vulnerable to wind and water erosion. This loss of vegetation not only contributes to the degradation of the land but also disrupts local climates, leading to further aridity. Sustainable land management practices, such as reforestation and agroforestry, can help combat these issues by restoring balance to ecosystems and improving soil quality.Furthermore, unsustainable agricultural practices, such as monoculture and excessive use of chemical fertilizers, can degrade soil health over time. These practices strip the land of essential nutrients, making it less productive and more susceptible to desertification (沙漠化). Farmers must adopt more sustainable techniques, such as crop rotation and organic farming, to preserve the integrity of their land and ensure long-term productivity.To address the challenges posed by desertification (沙漠化), global cooperation and innovative solutions are essential. Governments, NGOs, and local communities must work together to implement policies that promote sustainable land management and restoration efforts. International initiatives, such as the United Nations Convention to Combat Desertification, aim to bring awareness to this pressing issue and encourage countries to take action.In conclusion, desertification (沙漠化) is a complex problem that requires immediate attention and collaborative efforts. By understanding the causes and consequences of this phenomenon, we can take meaningful steps toward reversing its effects and ensuring a sustainable future for our planet. Protecting our land and resources is not only vital for the environment but also for the well-being of millions of people who rely on healthy ecosystems for their survival.