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Ecosystems are geographic areas where various groups of plants, animals, and other organisms coexist, and can range in size from vast deserts to tiny ponds. These ecosystems include living organisms and non-living components such as rocks, sand, and moisture. The structure of an ecosystem is a complex and dynamic interplay between its biotic and abiotic components. Climate plays a fundamental role in determining the distribution of ecosystems, species ranges, and rates of processes on Earth. Consequently, changes in ecosystem functionality due to climate changeClimate change have significant potential to influence the climate itself, serving as either positive or negative feedback mechanisms. Climate change is speeding up ecological shifts, with changes projected for 2100 happening sooner than anticipated. The increased aridityAridity caused by climate change is expected to significantly impact the structure and functionality of drylandsDrylands, which make up about 45% of the Earth's land surface. This rising aridity is likely to push more than 20% of these areas past critical thresholds, potentially leading to extensive land degradation and desertificationDesertification. Over 2,000 million hectares of land have become degraded, resulting in a loss of agrobiodiversity, increased water scarcityWater scarcity, and the destruction of natural resources. To sustain ecosystems, both public and private sectors, along with international bodies, must integrate climate changeClimate change considerations into their strategies and actions. This approach can empower vulnerable communities in dryland regions to manage natural resources sustainably, safeguarding the environment for future generations. By investing in researchResearch, adopting sustainable practices, and promoting international cooperation to achieve sustainable development goals, we can mitigate adverse effects on vulnerable communities and ensure the preservation of ecosystems for the future. The well-being of our planet depends on the collective efforts and wisdom of all nations.

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Climate Change-Induced Variation in Ecosystem Structure in Arid Lands Countries

  • 章节

  • 发表日期：

    2026年

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  • Amal Jaafer Alkandari,
  • Mohammad A Alsayegh,
  • Ali A Abdulraheem

摘要

Ecosystems are geographic areas where various groups of plants, animals, and other organisms coexist, and can range in size from vast deserts to tiny ponds. These ecosystems include living organisms and non-living components such as rocks, sand, and moisture. The structure of an ecosystem is a complex and dynamic interplay between its biotic and abiotic components. Climate plays a fundamental role in determining the distribution of ecosystems, species ranges, and rates of processes on Earth. Consequently, changes in ecosystem functionality due to climate changeClimate change have significant potential to influence the climate itself, serving as either positive or negative feedback mechanisms. Climate change is speeding up ecological shifts, with changes projected for 2100 happening sooner than anticipated. The increased aridityAridity caused by climate change is expected to significantly impact the structure and functionality of drylandsDrylands, which make up about 45% of the Earth's land surface. This rising aridity is likely to push more than 20% of these areas past critical thresholds, potentially leading to extensive land degradation and desertificationDesertification. Over 2,000 million hectares of land have become degraded, resulting in a loss of agrobiodiversity, increased water scarcityWater scarcity, and the destruction of natural resources. To sustain ecosystems, both public and private sectors, along with international bodies, must integrate climate changeClimate change considerations into their strategies and actions. This approach can empower vulnerable communities in dryland regions to manage natural resources sustainably, safeguarding the environment for future generations. By investing in researchResearch, adopting sustainable practices, and promoting international cooperation to achieve sustainable development goals, we can mitigate adverse effects on vulnerable communities and ensure the preservation of ecosystems for the future. The well-being of our planet depends on the collective efforts and wisdom of all nations.