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The Global Biodiversity Framework (GBF), signed in 2022 by Parties to the Convention on Biological Diversity, recognized the importance of area-based conservation, and its goals and targets specify the characteristics of protected and conserved areas (PCAs) that disproportionately contribute to biodiversity conservation. To achieve the GBF's target of conserving a global area of 30% by 2030, this Essay argues for recognizing these characteristics and scaling them up through the conservation of areas that are: extensive (typically larger than 5,000 km2); have interconnected PCAs (either physically or as part of a jurisdictional network, and frequently embedded in larger conservation landscapes); have high ecological integrity; and are effectively managed and equitably governed. These areas are presented as "Nature's Strongholds," illustrated by examples from the Congo and Amazon basins. Conserving Nature's Strongholds offers an approach to scale up initiatives to address global threats to biodiversity.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11108224 | PMC |
http://dx.doi.org/10.1371/journal.pbio.3002613 | DOI Listing |
Ying Yong Sheng Tai Xue Bao
July 2025
Seedling Management Station, Hubei Provincial Forestry Bureau, Wuhan 430079, China.
Revealing the relationship between carbon metabolism and carbon balance in human-nature coupled systems is vital for achieving China's "dual carbon" goals. With land use types as metabolic entities, we constructed a carbon metabolism spatial network model by measuring vertical carbon emission, carbon absorption, and horizontal carbon flow, and systematically explored the carbon metabolism evolution of the Hubei section of the Three Gorges Reservoir from 1995 to 2020. We further assessed ecological relationship, integral utility, and node contributions of the carbon metabolism spatial network by the ecological network analysis method, and comprehensively evaluated the impact of land use on regional carbon metabolism.
View Article and Find Full Text PDFPhysiol Plant
August 2025
State Key Laboratory of Conservation and Utilization of Biological Resources of Yunnan, College of Plant Protection, Yunnan Agricultural University, Kunming, China.
Freshwater consumption is the biggest challenge in irrigated rice cultivation (Oryza sativa L.). Nonirrigated farmland rice cultivation is a strategy to mitigate the water resource shortage associated with traditional irrigated rice farming.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
September 2025
Department of Political Science, University of Gothenburg, Gothenburg 405 30, Sweden.
Rapid global expansion of protected areas is critical for safeguarding biodiversity but depends on political action for successful implementation. Following widespread ratification of the Kunming-Montreal Global Biodiversity Framework, an unprecedented increase in area-based conservation is required to reach its target of conserving 30% of land, waters, and seas by 2030. These expansions prompt difficult trade-offs between conservation, social, and economic interests.
View Article and Find Full Text PDFNat Commun
August 2025
Institute of Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Malaysia.
Nations recently agreed to set aside 30% of the planet by 2030 as conservation areas (the "30 × 30" goal) necessitating major expansions, not just of traditional protected areas like national parks, but also of 'other effective area-based conservation measures' (OECMs) - areas that provide de facto benefits to biodiversity despite conservation not being the primary management objective. But evidence for whether OECMs achieve positive biodiversity outcomes remains critically needed. Here we quantify how OECMs contribute to biodiversity conservation in the three high-biodiversity countries in which they have been extensively trialed.
View Article and Find Full Text PDFConserv Biol
August 2025
U.S. Fish and Wildlife Service, Anchorage, Alaska, USA.
Alaska's seascape supports globally significant seabird populations, including vulnerable and threatened species, and hosts economically important commercial fisheries and marine transportation corridors. Seasonal patterns of seabird movements and vessel traffic create a complex landscape of risk, defined as high levels of co-occurrence (overlap) between seabirds and vessels. Areas of high overlap increase risk of detrimental impacts, such as exposure to artificial light from ships, bycatch, behavioral disturbance, collision, and oil spills.
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