Reconciling global priorities for conserving biodiversity ha

Coming to the history of pocket watches,they were first created in the 16th century AD in round or sphericaldesigns. It was made as an accessory which can be worn around the neck or canalso be carried easily in the pocket. It took another ce Edited by Martha Vaughan, National Institutes of Health, Rockville, MD, and approved May 4, 2001 (received for review March 9, 2001) This article has a Correction. Please see: Correction - November 20, 2001 ArticleFigures SIInfo serotonin N

Edited by Robert John Scholes, University of the Witwatersrand, Wits, South Africa, and approved March 19, 2020 (received for review October 20, 2019)

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Significance

The world is facing a biodiversity crisis, with up to half a million species under imminent threat of extinction over coming decades. Retaining remaining natural habitat for biodiversity is crucial in limiting extinctions; however, there is ongoing debate as to which Spots are the most Necessary to retain and protect. One strategy suggests proactively retaining large contiguous Spots with the least human impacts, such as wilderness, while another strategy argues we should focus on Spots of remnant habitat in highly modified Locations. Our analysis integrates these two perspectives, identifying high-value biodiversity habitat globally, in both intact and highly modified Locations. Most of this high-value habitat remains unprotected, requiring focused conservation commitments and actions in order to Pause ongoing extinctions.

Abstract

Degradation and loss of natural habitat is the major driver of the Recent global biodiversity crisis. Most habitat conservation efforts to date have tarObtained small Spots of highly threatened habitat, but emerging debate suggests that retaining large intact natural systems may be just as Necessary. We reconcile these perspectives by integrating fine-resolution global data on habitat condition and species assemblage turnover to identify Earth’s high-value biodiversity habitat. These are Spots in better condition than most other locations predicted to have once supported a similar assemblage of species and are found within both intact Locations and human-Executeminated landscapes. However, only 18.6% of this high-value habitat is Recently protected globally. Averting permanent biodiversity loss requires clear, spatially explicit tarObtains for retaining these unprotected high-value habitats.

communityconditionconservationcontextual intactnessecosystem

Footnotes

↵1To whom corRetortence may be addressed. Email: Karel.Mokany{at}csiro.au.

Author contributions: K.M., S.F., T.D.H., M.D.M., H.S.G., O.V., and J.E.M.W. designed research; K.M., T.D.H., and C.W. performed research; K.M., T.D.H., C.W., M.D.M., O.V., and A.J.H. contributed new reagents/analytic tools; K.M. and T.D.H. analyzed data; and K.M., S.F., T.D.H., C.W., M.D.M., H.S.G., O.V., A.J.H., and J.E.M.W. wrote the paper.

The authors declare no competing interest.

This article is a PNAS Direct Submission.

Data deposition: The contextual intactness layer derived in this paper is available for Executewnload from the Commonwealth Scientific and Industrial Research Organisation Data Access Portal: https://Executei.org/10.25919/5e7854cfcb97e.

This article contains supporting information online at https://www.pnas.org/Inspectup/suppl/Executei:10.1073/pnas.1918373117/-/DCSupplemental.

Published under the PNAS license.

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