Loss of Biodiversity

Introduction

The term “biodiversity” is a reference to the variety of life on the planet.

Biodiversity includes everything from individual species, to entire ecosystems,- such as coral reefs and rainforests. While biodiversity exists everywhere on the planet, it tends to cluster in hotspots.

Coral reefs: While our planet is covered with approximately 70% water. Most of the biodiversity occurs in the sunlit area, near the surface. This is called the euphotic zone, where the suns rays still penetrate enough to enable photosynthesis. Within the euphotic zone, coral reefs are the hotspot for biodiversity. Scientists estimate that 25 percent of all marine species live on coral reefs, making them one of the most diverse habitats in the world.

Tropical rainforests: Terrestrial biodiversity is usually greater in the warm climate near the equator, and tropical rainforests are a noteable hotspot for biodiversity. While tropical forest ecosystems cover less than 10 percent of earth’s surface, they are estimated to contain from 60 to 90 percent of the world’s species, with estimates ranging from 3 to 50 million species.

Learn More:

The World’s Biomes

Biomes have changed and moved many times during the history of life on Earth. More recently, human activities have drastically altered these communities. Thus, conservation and preservation of biomes should be a major concern to all. A school class project from Berkeley Edu.

Biodiversity – National Geographic Society

Biodiversity refers to the variety of living species on Earth, including plants, animals, bacteria, and fungi. While Earth’s biodiversity is so rich that many species have yet to be discovered, many species are being threatened with extinction due to human activities, putting the Earth’s magnificent biodiversity at risk.

World Leaders Urged to ‘Act Now’ to Save Biodiversity

Ahead of government negotiations scheduled for next week on a global plan to address the biodiversity crisis, 23 former foreign ministers from various countries released a statement on Tuesday urging world leaders to act “boldly” to protect nature. Article from EcoWatch.

UN Report: Nature’s Dangerous Decline ‘Unprecedented’; Species Extinction Rates ‘Accelerating’

Nature is declining globally at rates unprecedented in human history – and the rate of species extinctions is accelerating, with grave impacts on people around the world now likely, warns a landmark new report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.

What is Biodiversity and How Does Climate Change Affect It?

Biodiversity can be seen within species, between species, and within and between ecosystems. Although biodiversity is hard to measure on a global scale, in recent years there has been scientific consensus that the planet’s biodiversity is in decline. Article from Columbia Edu.