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Scoop.it!
After 30 years of rapid growth in terrestrial protected areas, especially in the biodiverse tropics, expansion has slowed despite the ongoing mass extinction of species. Indeed, on page 881 of this issue, Kroner et al. (1) report that in some regions, the area that is protected is declining. They document examples of protected areas that have been made smaller or degazetted entirely, including in the United States and the Amazon. 
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Scoop.it!
In 1999 California passed the Marine Life Protection Act (MLPA) mandating an expansion of California’s few marine protected areas into a network of marine protected areas along the California coast. In 2005 California began a decision -‐ making process to implement this act, and that process was completed in 2013. One of the tools used by dec ision -‐ makers and stakeholders in that process was the use of mathematical models to project the effects of various proposed spatial configurations of MPAs in terms of their long -‐ term effects on fishery yield and population biomass of various species of fis h. Because of the initial nascent nature of this kind of modeling, the ability to make these projections developed as the process proceeded (Botsford, et al. 2014).
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Auteur : Botsford, Louis W UC Davis
Publication Date: 2017-12-15 Series: Research Final Reports Permalink: https://escholarship.org/uc/item/71p14048
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Lisa Naughton-Treves, Margaret Buck Holland - Science 31 May 2019: Vol. 364, Issue 6443, pp. 832-833