Author
Matt Walpole
Other affiliations: World Conservation Monitoring Centre, United Nations Environment Programme, University of Kent
Bio: Matt Walpole is an academic researcher from Fauna & Flora International. The author has contributed to research in topics: Ecosystem services & Tourism. The author has an hindex of 42, co-authored 80 publications receiving 13649 citations. Previous affiliations of Matt Walpole include World Conservation Monitoring Centre & United Nations Environment Programme.
Papers published on a yearly basis
Papers
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United Nations Environment Programme1, BirdLife International2, Zoological Society of London3, Statistics Netherlands4, University of North Carolina at Chapel Hill5, Old Dominion University6, Conservation International7, Food and Agriculture Organization8, University of Virginia9, Royal Society for the Protection of Birds10, University of Queensland11, University of Cambridge12, National Center for Atmospheric Research13, World Wide Fund for Nature14, South African National Parks15, UNESCO16, University of British Columbia17, Tata Institute of Fundamental Research18, The Nature Conservancy19, Patuxent Wildlife Research Center20, American Bird Conservancy21, Stellenbosch University22, International Union for Conservation of Nature and Natural Resources23
TL;DR: Most indicators of the state of biodiversity showed declines, with no significant recent reductions in rate, whereas indicators of pressures on biodiversity showed increases, indicating that the Convention on Biological Diversity’s 2010 targets have not been met.
Abstract: In 2002, world leaders committed, through the Convention on Biological Diversity, to achieve a significant reduction in the rate of biodiversity loss by 2010. We compiled 31 indicators to report on progress toward this target. Most indicators of the state of biodiversity (covering species' population trends, extinction risk, habitat extent and condition, and community composition) showed declines, with no significant recent reductions in rate, whereas indicators of pressures on biodiversity (including resource consumption, invasive alien species, nitrogen pollution, overexploitation, and climate change impacts) showed increases. Despite some local successes and increasing responses (including extent and biodiversity coverage of protected areas, sustainable forest management, policy responses to invasive alien species, and biodiversity-related aid), the rate of biodiversity loss does not appear to be slowing.
3,993 citations
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University of Lisbon1, University of Paris-Sud2, Netherlands Environmental Assessment Agency3, United Nations Environment Programme4, Spanish National Research Council5, University of Évora6, National Autonomous University of Mexico7, Stockholm University8, University of East Anglia9, University of Maryland, College Park10, Hawaii Pacific University11, University of British Columbia12, Joint Global Change Research Institute13, Imperial College London14, The Nature Conservancy15, Virginia Tech College of Natural Resources and Environment16
TL;DR: Scenarios consistently indicate that biodiversity will continue to decline over the 21st century, however, the range of projected changes is much broader than most studies suggest, partly because there are major opportunities to intervene through better policies, but also because of large uncertainties in projections.
Abstract: Quantitative scenarios are coming of age as a tool for evaluating the impact of future socioeconomic development pathways on biodiversity and ecosystem services. We analyze global terrestrial, freshwater, and marine biodiversity scenarios using a range of measures including extinctions, changes in species abundance, habitat loss, and distribution shifts, as well as comparing model projections to observations. Scenarios consistently indicate that biodiversity will continue to decline over the 21st century. However, the range of projected changes is much broader than most studies suggest, partly because there are major opportunities to intervene through better policies, but also because of large uncertainties in projections.
1,725 citations
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University of Lisbon1, Commonwealth Scientific and Industrial Research Organisation2, Virginia Tech College of Natural Resources and Environment3, California Institute of Technology4, Wageningen University and Research Centre5, Cardiff University6, American Museum of Natural History7, BirdLife International8, University of British Columbia9, Food and Agriculture Organization10, Australian Museum11, Leibniz Association12, Royal Society for the Protection of Birds13, University of Maryland, College Park14, Yale University15, Stanford University16, Monash University17, Kyoto University18, Zoological Society of London19, United States Geological Survey20, United Nations Environment Programme21, University of Sussex22, International Union for Conservation of Nature and Natural Resources23, Office of Environment and Heritage24
TL;DR: With the first plenary meeting of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) soon under way, partners are developing—and seeking consensus around—Essential Biod diversity Variables (EBVs) that could form the basis of monitoring programs worldwide.
Abstract: Reducing the rate of biodiversity loss and averting dangerous biodiversity change are international goals, reasserted by the Aichi Targets for 2020 by Parties to the United Nations (UN) Convention on Biological Diversity (CBD) after failure to meet the 2010 target (1, 2). However, there is no global, harmonized observation system for delivering regular, timely data on biodiversity change (3). With the first plenary meeting of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) soon under way, partners from the Group on Earth Observations Biodiversity Observation Network (GEO BON) (4) are developing—and seeking consensus around—Essential Biodiversity Variables (EBVs) that could form the basis of monitoring programs worldwide.
1,074 citations
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United Nations Environment Programme1, Dalhousie University2, Queen's University3, Bedford Institute of Oceanography4, American Museum of Natural History5, BirdLife International6, University of Paris-Sud7, Netherlands Environmental Assessment Agency8, United Nations9, Utrecht University10, University of British Columbia11, Organisation for Economic Co-operation and Development12, The Lodge13, Marine Stewardship Council14, Global Biodiversity Information Facility15, University of Wisconsin-Madison16, University of Queensland17, Zoological Society of London18, Martin Luther University of Halle-Wittenberg19, International Union for Conservation of Nature and Natural Resources20, College of William & Mary21, Sapienza University of Rome22, University of Sussex23, Environment Agency24, University of Vienna25, Microsoft26
TL;DR: A comprehensive mid-term assessment of progress toward 20 biodiversity-related “Aichi Targets” to be achieved within a decade is provided using 55 indicator data sets and pinpoints the problems and areas that will need the most attention in the next few years.
Abstract: In 2010, the international community, under the auspices of the Convention on Biological Diversity, agreed on 20 biodiversity-related “Aichi Targets” to be achieved within a decade. We provide a comprehensive mid-term assessment of progress toward these global targets using 55 indicator data sets. We projected indicator trends to 2020 using an adaptive statistical framework that incorporated the specific properties of individual time series. On current trajectories, results suggest that despite accelerating policy and management responses to the biodiversity crisis, the impacts of these efforts are unlikely to be reflected in improved trends in the state of biodiversity by 2020. We highlight areas of societal endeavor requiring additional efforts to achieve the Aichi Targets, and provide a baseline against which to assess future progress.
970 citations
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TL;DR: A globally-representative database of visits to PAs is compiled and region-specific models predicting visit rates from PA size, local population size, remoteness, natural attractiveness, and national income are built, suggesting that all but the very smallest of the world’s terrestrial PAs receive roughly 8 billion visits/y.
Abstract: How often do people visit the world’s protected areas (PAs)? Despite PAs covering one-eighth of the land and being a major focus of nature-based recreation and tourism, we don’t know To address this, we compiled a globally-representative database of visits to PAs and built region-specific models predicting visit rates from PA size, local population size, remoteness, natural attractiveness, and national income Applying these models to all but the very smallest of the world’s terrestrial PAs suggests that together they receive roughly 8 billion (8 x 109) visits/y—of which more than 80% are in Europe and North America Linking our region-specific visit estimates to valuation studies indicates that these visits generate approximately US $600 billion/y in direct in-country expenditure and US $250 billion/y in consumer surplus These figures dwarf current, typically inadequate spending on conserving PAs Thus, even without considering the many other ecosystem services that PAs provide to people, our findings underscore calls for greatly increased investment in their conservation
599 citations
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28 Jul 2005
TL;DR: PfPMP1)与感染红细胞、树突状组胞以及胎盘的单个或多个受体作用,在黏附及免疫逃避中起关键的作�ly.
Abstract: 抗原变异可使得多种致病微生物易于逃避宿主免疫应答。表达在感染红细胞表面的恶性疟原虫红细胞表面蛋白1(PfPMP1)与感染红细胞、内皮细胞、树突状细胞以及胎盘的单个或多个受体作用,在黏附及免疫逃避中起关键的作用。每个单倍体基因组var基因家族编码约60种成员,通过启动转录不同的var基因变异体为抗原变异提供了分子基础。
18,940 citations
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TL;DR: Preface to the Princeton Landmarks in Biology Edition vii Preface xi Symbols used xiii 1.
Abstract: Preface to the Princeton Landmarks in Biology Edition vii Preface xi Symbols Used xiii 1. The Importance of Islands 3 2. Area and Number of Speicies 8 3. Further Explanations of the Area-Diversity Pattern 19 4. The Strategy of Colonization 68 5. Invasibility and the Variable Niche 94 6. Stepping Stones and Biotic Exchange 123 7. Evolutionary Changes Following Colonization 145 8. Prospect 181 Glossary 185 References 193 Index 201
14,171 citations
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Stockholm Resilience Centre1, Australian National University2, University of Copenhagen3, McGill University4, Stellenbosch University5, University of Wisconsin-Madison6, Wageningen University and Research Centre7, Stockholm University8, Royal Swedish Academy of Sciences9, Potsdam Institute for Climate Impact Research10, Commonwealth Scientific and Industrial Research Organisation11, International Livestock Research Institute12, University College London13, Stockholm Environment Institute14, University of California, San Diego15, The Energy and Resources Institute16, Royal Institute of Technology17
TL;DR: An updated and extended analysis of the planetary boundary (PB) framework and identifies levels of anthropogenic perturbations below which the risk of destabilization of the Earth system (ES) is likely to remain low—a “safe operating space” for global societal development.
Abstract: The planetary boundaries framework defines a safe operating space for humanity based on the intrinsic biophysical processes that regulate the stability of the Earth system. Here, we revise and update the planetary boundary framework, with a focus on the underpinning biophysical science, based on targeted input from expert research communities and on more general scientific advances over the past 5 years. Several of the boundaries now have a two-tier approach, reflecting the importance of cross-scale interactions and the regional-level heterogeneity of the processes that underpin the boundaries. Two core boundaries—climate change and biosphere integrity—have been identified, each of which has the potential on its own to drive the Earth system into a new state should they be substantially and persistently transgressed.
7,169 citations
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City College of New York1, University of Wisconsin-Madison2, University of Michigan3, Swiss Federal Institute of Aquatic Science and Technology4, University of Hong Kong5, University of New Hampshire6, Griffith University7, Southern Cross University8, University of Washington9, University of Western Australia10
TL;DR: The first worldwide synthesis to jointly consider human and biodiversity perspectives on water security using a spatial framework that quantifies multiple stressors and accounts for downstream impacts is presented.
Abstract: Protecting the world’s freshwater resources requires diagnosing threats over a broad range of scales, from global to local. Here we present the first worldwide synthesis to jointly consider human and biodiversity perspectives on water security using a spatial framework that quantifies multiple stressors and accounts for downstream impacts. We find that nearly 80% of the world’s population is exposed to high levels of threat to water security. Massive investment in water technology enables rich nations to offset high stressor levels without remedying their underlying causes, whereas less wealthy nations remain vulnerable. A similar lack of precautionary investment jeopardizes biodiversity, with habitats associated with 65% of continental discharge classified as moderately to highly threatened. The cumulative threat framework offers a tool for prioritizing policy and management responses to this crisis, and underscores the necessity of limiting threats at their source instead of through costly remediation of symptoms in order to assure global water security for both humans and freshwater biodiversity.
5,401 citations