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<p style="color: #fff;">You've successfully identified the threats to nature today: pollution, overploitation of resources, fragmentation of the environment and climate change. Together, we must take care of ecosystems health.
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<h3 style="color: #2a2a2a;"><span class="fa fa-pencil-square" aria-hidden="true"> </span> Ecosystem health</h3>
<p>Ecosystem health refers to an ecosystem's ability to maintain its natural functions and processes despite external pressures and disturbances. This includes biodiversity, productivity, resilience to climate change and its ability to provide essential ecosystem services such as air purification, climate regulation, support to animal and plant populations.</p>
<p><span class="fa fa-hand-o-right" aria-hidden="true"> </span> An assessment of ecosystem health takes into account several factors, namely specific diversity, community structure, population dynamics, biotic and abiotic interactions as well as key ecological processes such as the cycle of nutritional elements and energy flows.</p>
<p><span class="fa fa-hand-o-right" aria-hidden="true"> </span> Good ecosystem health is often associated with sustainable development of natural resources and to effective conservation pratices that maintain ecological integrity while responding to human needs in the long run.</p></div>
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<p style="color: #fff;">Don't invasive species also pose a threat to ecosystems?</p>
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<p style="color: #fff;">They do! Thanks for reminding us. It's one of the main pressures to biodiversity.</p>
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<h3 style="color: #2a2a2a;"><span class="fa fa-pencil-square" aria-hidden="true"> </span>Why is it important to consider invasive species?
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<p>The problem of invasive species is important for several reasons: </p>
<p><span class="fa fa-hand-o-right" aria-hidden="true"></span> They can <b>compete with indigenous species</b> for natural resources such as water and space, which can lead to a decline or even extinction of local indigenous species. This can lead to biodiversity loss, which weakens the resilience of ecosystems facing disturbances and environmental changes. </p>
<p><span class="fa fa-hand-o-right" aria-hidden="true"></span> They can <b>disturb ecological interactions and natural processes inside ecosystems</b>, as they modify the structure and function of natural habitats. This can lead to land degradation, reduced water quality, loss of soil fertility and other negative environmental impacts. </p>
<p><span class="fa fa-hand-o-right" aria-hidden="true"></span> They can have important <b>economic impacts</b> affecting sectors such as farming, fishing, tourism and trade. </p>
<p><span class="fa fa-hand-o-right" aria-hidden="true"></span> Finally, some of them can pose <b>risks to human health</b> and spread diseases by introducing allergens or by provoking accidents. For example, invasive mosquitoes can spread diseases such as malaria and dengue fever, while toxic plants can cause allergic reactions in some people.</p></div>
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