Fig 1.
Human footprint of the Antarctic continent and offshore islands (for inset, see Fig 2).
Fig 2.
Human footprint map of the South Shetland Islands and northern Antarctic Peninsula.
Fig 3.
Map of Antarctica showing the distribution of the continent’s Important Bird Area (IBAs) and the human footprint (HFP) scores (low score: low human footprint; high score: high human footprint).
Fig 4.
Human footprint scores for Antarctic Important Bird Areas (IBAs).
Table 1.
Antarctic Important Bird Areas (IBAs) subject to the highest levels of estimated human footprint (10 highest footprint scores).
Table 2.
Antarctic IBAs afforded protection under the Antarctic Protected Area system1.
Footprint score 20–39 (green), 40–59 (yellow), 60–79 (orange), as shown in Fig 3).
Table 3.
Percentage1 of the estimated global population of Antarctic bird species found within IBAs also designated as Antarctic Specially Protected Areas (based upon data contained in [3]: Harris et al, 2015).
Fig 5.
Summary of information necessary to facilitate evidence-based environmental management decisions by Antarctic Treaty Consultative Meeting policy-makers.
The production of a human footprint mapping tool fills a gap in the information readily available to policy-makers.