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The threat to biodiversity from human activities

The biodiversity of our planet is invaluable for the functioning of ecosystems and the well-being of all living beings. Unfortunately, however, this diversity is increasingly under threat, mainly due to human activities. In this article, we will examine the ways in which humans are threatening biodiversity and how these threats are linked to climate change.

Habitat loss due to land use changes

One of the greatest threats to biodiversity is the loss of habitats due to land use change. The conversion of natural habitats such as forests, wetlands and grasslands into agricultural land, residential areas and industrial zones means that many species are losing their habitat and can no longer survive.

Land use changes often go hand in hand with deforestation, one of the biggest drivers of species extinction. Deforestation not only destroys the habitat of many species, but also contributes to the release of greenhouse gases into the atmosphere, which further drives climate change.

Read also: The importance of “bugs” for biodiversity and the food chain

Overexploitation of natural resources

The excessive use of natural resources by humans is another threat to biodiversity. This applies in particular to overfishing of the oceans, deforestation for timber and paper production and the excessive hunting of wild animals for food, fur and other products.

The overexploitation of natural resources not only leads to the direct loss of habitats and populations, but also affects the balance of ecosystems and the availability of food and habitat for other species.

Environmental pollution and habitat destruction

The pollution of air, water and soil by industrial waste, chemicals, pesticides and litter has a serious impact on biodiversity. Pollution can have a direct impact on the health and survival of plants and animals by contaminating their habitats and disrupting their food chains.

Habitat destruction through pollution can also have indirect effects by altering or destroying the natural habitats of species and disrupting the balance of ecosystems.

Invasive species and their impact

The introduction of invasive species into new areas by humans is another threat to biodiversity. Invasive species can displace native species, alter natural habitats and disrupt the ecological processes in an ecosystem.

One example of this is invasive plant species, which can spread rapidly and displace native plant species, leading to a loss of biodiversity and a decline in ecological functions.

Connection with climate change

The threats to biodiversity caused by human activities are closely linked to climate change. Many of the factors mentioned above, such as deforestation, overexploitation of natural resources and pollution, also contribute to climate change and exacerbate its effects.

In addition, climate change itself leads to further threats to biodiversity, such as habitat loss, changes in distribution areas and the increasing frequency of extreme weather events. These changes can jeopardize the survival of many species and lead to a decline in biodiversity.

Protection and conservation of biodiversity

To protect and conserve biodiversity, urgent action is needed to address the above threats. This includes the conservation and restoration of natural habitats, the sustainable use of natural resources, the reduction of environmental pollution and the control of invasive species.

It is also important to mitigate climate change and adapt to its effects in order to protect biodiversity. This requires a drastic reduction in greenhouse gas emissions and increased adaptation of protected areas and nature conservation measures to changing climatic conditions.

Conclusion: A shared responsibility

The threat to biodiversity posed by human activities is one of the greatest challenges of our time. In order to protect and preserve biodiversity, it is crucial that we act together to address the causes of these threats and find sustainable solutions.


1. “Global Biodiversity Outlook 5.” Convention on Biological Diversity.

2 “Threats to Biodiversity.” WWF.

3. “Biodiversity Loss.” National Geographic.

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