What is the living planet index and what does it suggest about current biodiversity trends

measurement of the world's biological diversity

Explanation:

The living planet index (LPI) is the measure of the state of global biological diversity in the earth based on the population trends of the species of the vertebrates in the world. This a data based index of the life on the earth. In other words, the LPI is bases on the population size, density (population per square meter) abundance (individuals per unit sample) and a proxy abundance.