A desert scrub ecosystem is found in all of the following South Asian countries

To determine which South Asian countries have a desert scrub ecosystem, we can take the following steps:

1. Identify the South Asian countries: South Asia consists of the following countries: Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.

2. Understand what a desert scrub ecosystem is: A desert scrub ecosystem, also known as a xeric shrubland or semi-desert ecosystem, is characterized by dry conditions, low rainfall, and sparse vegetation, typically consisting of drought-tolerant shrubs, grasses, and small trees.

3. Conduct research on desert scrub ecosystems in South Asia: Search for information from reputable sources such as scientific studies, conservation organizations, or governmental agencies. Look for specific information on which South Asian countries have documented or known desert scrub ecosystems.

4. Evaluate the information: Analyze the research findings to determine if desert scrub ecosystems are found in the South Asian countries mentioned earlier. Look for specific mentions of these ecosystems in the various countries, including their geographical distribution, characteristics, and any protected areas or parks dedicated to preserving them.

Based on the information I have, it appears that desert scrub ecosystems are primarily found in two South Asian countries:

1. India: India is home to the Thar Desert, also known as the Great Indian Desert, which qualifies as a desert scrub ecosystem. The Thar Desert spans across the northwestern part of India, covering portions of the states of Rajasthan, Gujarat, Haryana, and Punjab.

2. Pakistan: Pakistan also shares the Thar Desert, making it part of the country's landscape. The Thar Desert extends into southeastern Pakistan, primarily in the province of Sindh.

Note: It is recommended to further verify this information by consulting reliable sources as conditions and ecosystems may change over time.