Nat Hist of Vert - Discussion 1

How many sections does the paper have?

8

What section number?

Global Avian Biodiversity and Its Importance

Section 2

What section number?

Avian Abundance in the Twenty-First Century

Section 3

What section number?

Spatiotemporal Variation in Extinction Risk to Birds

Section 4

What section number?

Patterns and Trends in Avian Extinctions

Section 5

What section number?

Threats Contributing to Avian Biodiversity Loss

Section 6

What section number?

Solutions to Loss of Avian Diversity

Section 7

What is Figure 1 about?

Avian species richness: (a) all species, (b) all threatened species, (c ) all restricted-range species

What is Figure 2 about?

Population abundance indices for bird species dependent on major habitat types in North America, Europe, India, and Botswana and Uganda. See population fluctuations over the years in the different countries.

What is Figure 3 about?

Red List Index for all bird species, showing trends in aggregate survival probability over time. Shows example species that were uplisted or downlisted over time.

What is Figure 4 about?

Number of bird extinctions per quarter-century on islands and continents since 1500

What is Figure 5 about?

Threats to the world’s birds, showing (a) the number of species impacts by each broad class of threat, (b,c) the number of species impacted by specific types of biological resource use and agriculture, (d) the number of species impacted by each type of stress caused by these threats, and (e) the number of species affected by different numbers of high- or medium-impact threats

What is Figure 6 about?

High- or medium-impact threats affecting five globally threatened bird species and the underlying drivers of these threats.

What is Figure 7 about?

(a) Examples of successful bird conservation efforts (b) The top ten actions implemented for species that have been downlisted on the IUCN Red List

What is this paper about?

The State of the World’s Birds