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6 main threats to biodiversity

Biodiversity is a positive thing. The Biggest Threats to Earth’s Biodiversity. Specifically, it means the numerous different species in existence on our planet. Elk, musk deer, argali, wolves, and bears are traded regularly into China. 5.4 Threats to Biodiversity Figure 1. Biodiversity benefits humanity in many ways. 6. main threats to the biodiversity current situation and trends 47 6.1. habitat loss and fragmentation 47 6.2. desertification and soil erosion 50 6.3. urbanization 50 . In a seminal report published last year, the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) identified five direct drivers of biodiversity loss: changes in land and sea use, overexploitation, climate change, pollution, and invasive species. So, the real value of biodiversity is beyond anything our mind can even imagine. After filtering out non-marine threats, we ended up with a list of 5094 threats to marine biodiversity reported from the whole Natura 2000 network. … - Habitat fragmentation - From human activity. Those are climate change, deforestation and habitat loss, overexploitation, invasive species, pollution. 1. Invasive species are the non-native species that invade normal and healthy ecosystems and threaten the survival of the native species either by attacking them or competing for the habitat’s resources. Biodiversity loss is a factor that follows that trend closely. Threats to biodiversity -Habitat destruction - Important to protect habitat in order to protect biodiversity within it. The term biodiversity was coined in 1985. Biodiversity is the variety of life on Earth at all its levels, from genes to ecosystems. Ø Higher carbon dioxide concentration acidify oceans Main pressures on and drivers of change to biodiversity (direct and indirect) The main pressures are classified under six themes: ecosystem degradation and loss; overexploitation of species; introduction of invasive alien species; pollution; climate change; and urbanization. The main threats to Biodiversity in Nigeria 1.2.1 UNDERSTANDING THE UNDERLYING FACTORS World Rainforest Movement (1999) records show that 70-80% of Nigeria’s original forest has disappeared and presently the area occupied by forests is reduced to 12%. Some major results of climate change are, rising ocean temperatures and diminishing Arctic sea ice affects marine biodiversity and can shift vegetation zones, having global implications. Essay on Biodiversity– Biodiversity is the presence of different species of plants and animals on the earth. At local scales, it is likely that ecosystems with greater biodiversity are more productive and more stable through time. Biodiversity is under serious threat as a result of human activities. It deals with nature’s variety, the biosphere. 1) Habitat Destruction 2) Habitat Fragmentation 3) Habitat Degradation (pollution) 4) Overexploitation 5) Invasive Species 6) Climate Change 7) Disease. The main dangers worldwide are population growth and resource consumption, climate change and global warming, habitat conversion and urbanization, invasive alien species, over- exploitation of natural resources and environmental degradation 3405/02/2019 Ø Coral reefs (biodiversity hotspots) will be lost in 20 to 40 years if global warming continues at the current trend. Without biodiversity, life would not sustain. 500+ Words Essay on Biodiversity. There are five main threats to biodiversity. The three greatest proximate threats to biodiversity are habitat loss, overharvesting, and introduction of exotic species. However, the burning of fossil fuels in recent history has caused a dramatic increase in the levels of carbon dioxide in the Earth’s atmosphere, which have now reached levels never before seen on Earth. 7 Threats to Biodiversity. The growth of human populations, consumption levels, and mobility is the root of most of the serious threats to biodiversity today. Threats to Biodiversity Habitat Loss Happens when either natural disasters or human activities change the ecosystem so much that many species can no longer survive. It helps make the global economy more resilient, it functions as an integral part of our culture and identity, and research has shown it’s even linked to our physical health. It is extracted from the brochure "Biodiversity in Belgium, a vital question" (published in … World Rainforest Movement (1999) records show that 70-80% of Nigeria’s original forest has disappeared and presently the area occupied by forests is reduced to 12%. from alien specie s according to th e types of speci es introduced. Free Ecology PPT: Threats to Biodiversity: Habitat destruction Deforestation, Invasive species, Genetic pollution, Climate changes, Diseases and Human population These interacting threats vary in their impacts across the country and over time. threats to biodiversity issues around the world. Furthermore, what are the 6 main threats to biodiversity? Threats to Biodiversity The core threat to biodiversity on the planet, and therefore a threat to human welfare, is the combination of human population growth and resource exploitation. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 5a5bb6-NTJiO Nature, 2010, vol. Huge pressure from the World’s rapidly increasing population. But, it is under threat. {6.5.4, 6.5.6} The critical pressures on Biodiversity are well recognized (well established). (2008) — Threats to Biological Diversity: Global, Continental, Local) Biodiversity plays a … Atmospheric carbon dioxide levels fluctuate in a cyclical manner. Ø Carbon dioxide concentration in atmosphere affects morphology of plants. Accordingly, they upset the native biota and ecosystems thereby causing extinctions and massive threats to biodiversity. Various threats to biodiversity. These threats were classified into 71 different types belonging to the second hierarchical level of the threat classification scheme. Let’s consider a simplified example of the biodiversity within a tropical rainforest ecosystem . The human population requires resources to survive and grow, and those resources are … Overexploitation of living resources, predation and competition by invasive alien species are also significant threats… First, it is rare that humans intend to make a species go extinct or to threaten biodiversity in some other way. Biodiversity has played an important role in creating the planet we live on and continues to help us improve our lives.

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