Convention on Biological Diversity. Aichi biodiversity targets. Aichi Biodivers. Targets 9–10 https://www.cbd.int/sp/targets/ (2010).
Gray, C. L. et al. Local biodiversity is higher inside than outside terrestrial protected areas worldwide. Nat. Commun. 7, 1–7 (2016).
Joppa, L. N. & Pfaff, A. Global protected area impacts. Proc. R. Soc. B Biol. Sci. 278, 1633–1638 (2011).
Geldmann, J. et al. Effectiveness of terrestrial protected areas in reducing habitat loss and population declines. Biol. Conserv. 161, 230–238 (2013).
Coetzee, B. W. T., Gaston, K. J. & Chown, S. L. Local scale comparisons of biodiversity as a test for global protected area ecological performance: a meta-analysis. PLoS One 9, e105824 (2014).
UNEP-WCMC, IUCN & NGS. Protected Planet Live Report 2020. https://livereport.protectedplanet.net/ (2020).
Visconti, B. P. et al. Protected area targets post-2020. Science 364, 239–241 (2019).
Jenkins, C. N., Van Houtan, K. S., Pimm, S. L. & Sexton, J. O. US protected lands mismatch biodiversity priorities. Proc. Natl. Acad. Sci. 112, 5081–5086 (2015).
Venter, O. et al. Bias in protected-area location and its effects on long-term aspirations of biodiversity conventions. Conserv. Biol. 32, 127–134 (2018).
USGS. U.S. Geological Survey Gap Analysis Project (GAP): Protected Areas Database of the United States (PAD-US). https://www.usgs.gov/core-science-systems/science-analytics-and-synthesis/gap/data-tools (2018).
Comay, L. B., Crafton, R. E., Vincent, C. H. & Hoover, K. Federal Land Designations : A Brief Guide. https://fas.org/sgp/crs/misc/R45340.pdf (2018).
Horton, G. Downsizing national monuments: The current debate and lessons from history. UCLA J. Environ. Law Policy 38, 79–102 (2020).
Kamal, S., Grodzińska-Jurczak, M. & Brown, G. Conservation on private land: a review of global strategies with a proposed classification system. J. Environ. Plan. Manag. 58, 576–597 (2015).
Bargelt, L., Fortin, M. J. & Murray, D. L. Assessing connectivity and the contribution of private lands to protected area networks in the United States. PLoS ONE 15, 1–13 (2020).
Vergílio, M. et al. Assessing the efficiency of protected areas to represent biodiversity: A small island case study. Environ. Conserv. 43, 337–349 (2016).
Epperly, J. et al. Relationships between borders, management agencies, and the likelihood of watershed impairment. PLoS ONE 13, 1–14 (2018).
Betts, M. G. & Villard, M.-A. Landscape thresholds in species occurrence as quantitative targets in forest management: generality in space and time? Setting conservation targets for managed forest landscapes (ed. Villard & Jonsson) 185–206 (Cambridge University Press, 2009). doi:10.1017/cbo9781139175388.010
Smith, J. R. et al. A global test of ecoregions. Nat. Ecol. Evol. 2, 1889–1896 (2018).
Small, C. & Nicholls, R. J. A global analysis of human settlement in coastal zones. J. Coast. Res. 19, 584–599 (2003).
Le Saout, S. et al. Protected areas and effective biodiversity conservation. Science 342, 803–805 (2013).
Watson, J. E. M., Dudley, N., Segan, D. B. & Hockings, M. The performance and potential of protected areas. Nature 515, 67–73 (2014).
Deguise, I. & Kerr, J. Protected areas and prospects for endangered species conservation in Canada. Conserv. Biol. 20, 48–55 (2006).
Venter, O. et al. Targeting global protected area expansion for imperiled biodiversity. PLoS Biol. 12, https://doi.org/10.1371/journal.pbio.1001891 (2014).
Mittermeier, R. A. et al. Wilderness and biodiversity conservation. Proc. Natl. Acad. Sci. 100, 10309–10313 (2003).
Kukkonen, M. O. & Tammi, I. Systematic reassessment of Laos’ protected area network. Biol. Conserv. 229, 142–151 (2019).
Prieto-Torres, D. A., Nori, J. & Rojas-Soto, O. R. Identifying priority conservation areas for birds associated to endangered Neotropical dry forests. Biol. Conserv. 228, 205–214 (2018).
Jones, K. R. et al. One-third of global protected land is under intense human pressure. Science 360, 788–791 (2018).
MRLC. 2001 National land cover database. https://www.mrlc.gov/ (2005).
Adams, V. M., Pressey, R. L. & Naidoo, R. Opportunity costs: who really pays for conservation?. Biol. Conserv. 143, 439–448 (2010).
Sutton, N. J., Cho, S. & Armsworth, P. R. A reliance on agricultural land values in conservation planning alters the spatial distribution of priorities and overestimates the acquisition costs of protected areas. Biol. Conserv. 194, 2–10 (2016).
Merenlender, A. M., Huntsinger, L., Guthey, G. & Fairfax, S. K. Land trusts and conservation easements: who is conserving what for whom?. Conserv. Biol. 18, 65–75 (2004).
Cortés Capano, G., Toivonen, T., Soutullo, A. & Di Minin, E. The emergence of private land conservation in scientific literature: a review. Biol. Conserv. 237, 191–199 (2019).
Hooper, D. U. et al. A global synthesis reveals biodiversity loss as a major driver of ecosystem change. Nature 486, 105–108 (2012).
The Nature Conservancy. TNC terrestrial Ecoregions. (2009).
Omernik, J. M. & Griffith, G. E. Ecoregions of the conterminous United States: evolution of a hierarchical spatial framework. Environ. Manage. 54, 1249–1266 (2014).
USGS Gap Analysis Program. Protected Areas Database of the United States (PAD-US), version 1.4 [vector digital data]. https://www.sciencebase.gov/catalog/item/5963ea3fe4b0d1f9f059d955 (2016).
Baldwin, R. F. & Fouch, N. T. Understanding the biodiversity contributions of small protected areas presents many challenges. Land https://doi.org/10.3390/land7040123 (2018).
Luja, V. H., Navarro, C. J., Torres Covarrubias, L. A., Cortés Hernández, M. & Vallarta Chan, I. L. Small protected areas as stepping-stones for jaguars in western Mexico. Trop. Conserv. Sci. 10, 194008291771705 (2017).
Saura, S., Bodin, Ö & Fortin, M. J. Stepping stones are crucial for species’ long-distance dispersal and range expansion through habitat networks. J. Appl. Ecol. 51, 171–182 (2014).
Pebesma, E., Bivand, R., Rowlingson, B. & Gomez-Rubio, V. Sp: classes and methods for spatial data. http//CRAN.R-project.org/package=sp, R Packag. version 1.0–14 (2013).
Hijmans, R. J. et al. Raster: raster: Geographic data analysis and modeling. R Packag. version 2–0 (2011).
Nicholas J. Lewin-Koh contributions by Edzer J. Pebesma, Eric Archer, Adrian Baddeley, Hans-Jörg Bibiko, Stéphane Dray, David Forrest, Patrick Giraudoux, Duncan Golicher, Virgilio Gómez Rubio, Patrick Hausmann, Thomas Jagger, Sebastian P. Luque, Don MacQ, R. B. maptools: Tools for reading and handling spatial objects. (2009).
Bivand, R., Keitt, T. & Rowlingson, B. rgdal: Bindings for the geospacial data abstraction library. (2013).
Bivand, R., Rundel, C., Pebesma, E. & Hufthammer, K. O. Interface to geometry engine – open source (GEOS): Package ‘rgeos’. R Documentation (2016).
Tennekes, M. et al. tmap: Thematic maps. (2019).
R Development Core Team. R: A language and environment for statistical computing. https://www.R-project.org. [Google Scholar] (2019).
US Fish and Wildlife Service. Environmental conservation online system. USFWS, https://ecos.fws.gov/ecp/. (2016).
Ricketts, T. & Imhoff, M. Biodiversity, urban areas, and agriculture: Locating priority ecoregions for conservation. Ecol. Soc. 8, https://www.ecologyandsociety.org/vol8/iss2/art1/ (2003).
Lamoreux, J. F. et al. Global tests of biodiversity concordance and the importance of endemism. Nature 440, 212–214 (2006).
US Endowment for Forestry and Communities. National conservation easement database. https://www.conservationeasement.us/ (2014).
Bureau of Land Management. BLM National Surface Management Agency GIS. (2019).
Source: Ecology - nature.com