How is species diversity monitored and assessed? What are conservation efforts aimed at protecting species diversity?

Why do different oceanic archipelagos harbour contrasting levels of species diversity? The macaronesian endemic genus Pericallis (Asteraceae) provides ... ... Species Diversity Chelonian Conservation and Biology – When it comes to pets, only birds outpace reptiles in terms of the number of species sold worldwide ... Species diversity is measured through a combination of species richness (the number of species present) and species evenness (the abundance of each species). Parker, John D., Duffy, J. Emmett, and Orth, Robert J. 2001. "Plant species diversity and composition: experimental effects on marine epifaunal assemblages. Biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems. Jan 28, 2003 ... Effects of nitrogen fertilization on vegetation structure and dominance of Brachypodium pinnatum (L.) Beauv. in chalk grassland. Unrecognised (species) diversity in New Guinean passerine birds. Emu, 119(3), 233-241. https://doi.org/10.1080/01584197.2019.1581033. Unrecognised (species) ... Original language, English. Title of host publication, Arctic Biodiversity Assessment : Status and trends in Arctic biodiversity. Editors, H. Meltofte. Sep 23, 2016 ... Species richness is the number of species in an area. It's merely a numerical characteristic of an ecosystem. Grazing management effects on plant species diversity in tallgrass prairie. Title, Grazing management effects on plant species diversity in tallgrass ...