Question

Подчеркните вариант условий, при которых сохранится плодородие степей, если в течение года а) выпадают обильные осадки б) осадки отсутствуют в) выпадает небольшое количество осадков. Докажите правильность вашего выбора.

Answer 1

Выпадает небольшое количество осадков. Я думаю так. Удачи!

Answer 2

Conditions for Preserving the Fertility of Steppes

To determine the conditions under which the fertility of steppes can be preserved, we need to consider three scenarios:

a) When abundant rainfall occurs throughout the year. b) When there is a lack of rainfall. c) When a small amount of rainfall occurs.

Let's analyze each scenario and determine the conditions that would preserve the fertility of steppes.

a) Abundant Rainfall Throughout the Year

If there are abundant rainfall and moisture throughout the year, it can help preserve the fertility of steppes. The consistent water supply would support the growth of vegetation and maintain the nutrient content of the soil. This would ensure that the ecosystem remains balanced and productive.

b) Lack of Rainfall

In the scenario where there is a lack of rainfall, the preservation of fertility in steppes becomes more challenging. Steppes are characterized by their dry and arid conditions, and they have adapted to survive with limited water availability. However, prolonged droughts can have a negative impact on the fertility of steppes.

To preserve fertility in steppes with a lack of rainfall, certain conditions need to be met. These include:

1. Drought-resistant plant species: Steppes are home to a variety of plant species that have adapted to survive in arid conditions. These plants have deep root systems that can access water stored deep within the soil. The presence of drought-resistant plant species is crucial for maintaining the fertility of steppes during periods of low rainfall.

2. Conservation of soil moisture: To preserve fertility, it is important to conserve soil moisture during dry periods. This can be achieved through various techniques such as mulching, which helps retain moisture in the soil, and reducing soil erosion to prevent water loss.

3. Efficient water management: Implementing efficient water management practices, such as drip irrigation or rainwater harvesting, can help supplement the limited rainfall and ensure that water is used effectively in the steppes.

c) Small Amount of Rainfall

In scenarios where a small amount of rainfall occurs, the preservation of fertility in steppes becomes a delicate balance. Steppes are adapted to survive in semi-arid conditions, where rainfall is limited but still present. However, if the amount of rainfall is too small, it can negatively impact the fertility of the steppes.

To preserve fertility in steppes with a small amount of rainfall, the following conditions should be considered:

1. Conservation of water resources: It is crucial to conserve and manage water resources effectively. This can be achieved through techniques such as rainwater harvesting, which collects and stores rainwater for later use during dry periods.

2. Selection of drought-tolerant plant species: Choosing plant species that are adapted to survive with limited water availability is essential. These plants can efficiently utilize the available water and maintain the fertility of the steppes.

3. Soil conservation: Implementing soil conservation practices, such as terracing or contour plowing, can help retain moisture in the soil and prevent erosion. This is particularly important in areas with limited rainfall, as it helps preserve the fertility of the soil.

In conclusion, the preservation of fertility in steppes depends on various factors, including the amount of rainfall and the adaptation of plant species to arid conditions. While abundant rainfall throughout the year is ideal for preserving fertility, steppes can also maintain their productivity with the presence of drought-resistant plant species, efficient water management, and soil conservation techniques in scenarios with a lack or small amount of rainfall.