Biodiversity, or the variety of all living things on our planet, has been declining at an alarming rate in recent years, mainly due to human activities, such as land use changes, pollution and climate change.
Why is the world’s loss of biodiversity a concern?
Biodiversity underpins the health of the planet and has a direct impact on all our lives. Put simply, reduced biodiversity means millions of people face a future where food supplies are more vulnerable to pests and disease, and where fresh water is in irregular or short supply. For humans that is worrying.
Why are scientists so concerned about the loss of biodiversity on our planet?
By disrupting ecosystem functions, biodiversity loss makes ecosystems more vulnerable to shocks and disturbances, less resilient, and less able to supply humans with needed services. … Healthy ecosystems are critical to human well-being at all times, not only in times of catastrophe.
Why is loss of biodiversity bad for the environment?
Loss of biodiversity undermines the ability of ecosystems to function effectively and efficiently and thus undermines nature’s ability to support a healthy environment. This is particularly important in a changing climate in which loss of biodiversity reduces nature’s resilience to change.
Why is loss of biodiversity a threat to sustainable development?
As biodiversity is lost, there is a risk that some thresholds will be passed, undermining the functioning of the earth system. Conversely, the conservation and sustainable use of biodiversity contributes to sustainable development and mitigation and adaptation to climate change.
Why should we care about the loss of biodiversity?
And healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. Biodiversity provides raw materials and resources for medicines and other purposes. The loss of biodiversity has an effect on humans, as we are part of that biodiversity.
What is biodiversity What are the causes for loss of biodiversity?
The main cause of the loss of biodiversity can be attributed to the influence of human beings on the world’s ecosystem, In fact human beings have deeply altered the environment, and have modified the territory, exploiting the species directly, for example by fishing and hunting, changing the biogeochemical cycles and …
How does biodiversity affect the world?
Biodiversity plays a crucial role in human nutrition through its influence on world food production, as it ensures the sustainable productivity of soils and provides the genetic resources for all crops, livestock, and marine species harvested for food.
What are the negative effects of biodiversity loss?
At higher levels of extinction (41 to 60 percent of species), the effects of species loss ranked with those of many other major drivers of environmental change, such as ozone pollution, acid deposition on forests and nutrient pollution.
What are the negative effects of biodiversity?
destruction, degradation and fragmentation of habitats. reduction of individual survival and reproductive rates through exploitation, pollution and introduction of alien species.