Question

 

Explain the role of agrobiodiversity in climate change-food security nexus.

06 Sep 2025
Answer :
Word Count : 1205
Agrobiodiversity, which refers to the variety and variability of plants, animals, and microorganisms used directly or indirectly for food and agriculture, plays a critical role in the climate change-food security nexus. It encompasses not only the diversity of species cultivated or reared but also the genetic diversity within these species, as well as the diversity of ecosystems in which they exist. In the context of climate change, agrobiodiversity functions as both a buffer and an adaptive mechanism, helping agricultural systems withstand environmental stressors and maintain food production, thereby contributing to global food security. Climate change has a profound impact on agricultural productivity due to increased temperature fluctuations, erratic rainfall patterns, prolonged droughts, rising sea levels, and the spread of pests and diseases. In such a scenario, reliance on a narrow range of crop and livestock species exposes food systems to higher vulnerability. Agrobiodiversity mitigates this risk by providing alternative sources of food and income. Diverse crop species, including traditional and indigenous varieties, often exhibit resilience to extreme climatic conditions such as drought, salinity, or flood-prone environments. For example, certain landraces of rice and millet can thrive under low water availability, while local varieties of legumes may resist pest attacks more effectively than high-yielding but genetically uniform crops. By cultivating a range of crops adapted to different climatic conditions, farmers can reduce the likelihood of total crop failure, thereby stabilizing food supply and supporting food security even in the face of climate _______ ______ __________ ________ ___ __________ __________ ___ _______ ______ _____.
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