posts: 51110

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    "id": "wp-51110",
    "slug": "europe-mammal-comeback",
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                        "children": [
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                                "text": "Update note: ",
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                                "text": "This article was originally published in May 2022 based on data from the 2013 report on European mammal populations from the Zoological Society of London; Birdlife International; and Rewilding Europe. It was updated and republished in September 2022 based on the ",
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                                "url": "https://rewildingeurope.com/wildlife-comeback-report-2022/",
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                                        "text": "new 2022 publication",
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                                "text": " of this report from these organizations.",
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                        "text": "The European bison is the continent\u2019s largest herbivore. It was once abundant across the region. Archaeological evidence suggests that the bison was widespread, stretching from France to Ukraine, down to the tip of the Black Sea.{ref}Benecke, N. 2006. The Holocene distribution of European bison \u2013 the archaeozoological record. Munibe (Antropologia\u2013 Arkeologia), 57 (1): 421\u2013428.{/ref} The earliest fossils date back to the Early Holocene period \u2013 around 9,000 BC.",
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                        "text": "Bison populations steadily declined over millennia, but experienced the most dramatic decline over the last 500 years. Deforestation and hunting of this iconic mammal nearly drove it to extinction. Look at old cave paintings and we find that hunters had etched bison next to bison in charcoal. They had gone extinct in Hungary by the 16th century; in Ukraine by the 18th century. And by the early 20th century they had gone completely extinct in the wild, with only tens of individuals kept in captivity.",
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                        "text": "The overhunting of the bison is no outlier. It\u2019s part of a long history. Look at the size of mammals through millions of years of human history and ",
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                        "url": "https://ourworldindata.org/large-mammals-extinction",
                        "children": [
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                                "text": "we find that",
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                        ],
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                    {
                        "text": " they get smaller and smaller. Humans preferentially hunted the largest mammals, often to extinction.{ref}Andermann, T., Faurby, S., Turvey, S. T., Antonelli, A., & Silvestro, D. (2020). The past and future human impact on mammalian diversity. Science Advances, 6(36), eabb2313.",
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                        "text": "Smith, F. A., Smith, R. E. E., Lyons, S. K., & Payne, J. L. (2018). Body size downgrading of mammals over the late Quaternary. Science, 360(6386), 310-313.",
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                        "text": "Klein, R. G., Martin, P. S. (1984). Quaternary Extinctions: A Prehistoric Revolution. United Kingdom: University of Arizona Press.",
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                        "text": "Barnosky, A. D. (2008). Megafauna biomass tradeoff as a driver of Quaternary and future extinctions. Proceedings of the National Academy of Sciences, 105(Supplement 1), 11543-11548.",
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                        "text": "Sandom, C., Faurby, S., Sandel, B., & Svenning, J. C. (2014). Global late Quaternary megafauna extinctions linked to humans, not climate change. Proceedings of the Royal Society B: Biological Sciences, 281(1787), 20133254.{/ref}",
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                        "text": "This is still the case today. It is the largest mammals that are most threatened by hunting.",
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                        "text": "But it doesn\u2019t have to be this way, and the bison shows it. The European bison has made an impressive comeback over the last 50 years. Successful conservation efforts have seen their numbers rebound. By the end of 2021, there were almost 10,000 of them.{ref}The European Bison Pedigree Book ",
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                        "url": "https://bpn.com.pl/index.php?option=com_content&task=view&id=1132&Itemid=82&lang=en",
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                                "text": "estimates that",
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                        "text": " by the end of 2021 there were 9,554 European bison globally. This included 1,801 in captivity; 487 semi-free individuals and 7,266 completely wild individuals.{/ref}",
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                        "text": "It\u2019s not the only one. Across the world, we find examples of successful conservation programs that have restored animal populations.",
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                        "text": "Here I look at the change in mammal populations across Europe. Many species are making a comeback. Once on the brink, iconic animals such as the European bison, Brown bear, and elk are thriving once again.",
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                "text": [
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                        "text": "Many mammals across Europe have made a comeback over the last 50 years",
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                                "text": "By the first half of the 20th century, many of Europe\u2019s mammals had been reduced to just a fraction of their historical levels. Millennia of hunting, exploitation, and habitat loss had forced them into decline. Many had been wiped out completely.",
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                                "text": "But many mammal populations have seen a dramatic increase over the last 50 years.",
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                                "text": "A coalition of conservation organizations \u2013 including the Zoological Society of London; Birdlife International; and Rewilding Europe \u2013 periodically publish reports on how animal populations across Europe are changing. In their latest report they looked at the change in populations of 24 mammal species, and one reptile species \u2013 the Loggerhead turtle.{ref}The Loggerhead turtle is not a mammal species, but has been included here as a reptile species with high-quality, long-term data coverage, and evidence of a promising recovery of populations.{/ref} The results are shown in the chart.{ref}The data shown here comes from the 2022 update of this report. In a previous version of this article we presented data from its 2013 report.",
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                                "text": "Ledger, S.E.H., Rutherford, C.A., Benham, C., Burfield, I.J., Deinet, S., Eaton, M., Freeman, R., Gray C., Herrando, S., Puleston, H., Scott-Gatty, K., Staneva, A. and McRae, L. (2022) ",
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                                "url": "https://rewildingeurope.com/wildlife-comeback-report-2022/",
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                                        "text": "Wildlife Comeback in Europe: Opportunities and challenges for species recovery",
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                                "text": ". Final report to Rewilding Europe by the Zoological Society of London, BirdLife International and the European Bird Census Council. London, UK: ZSL.",
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                                "text": "Deinet, S., Ieronymidou, C., McRae, L., Burfield, I.J., Foppen, R.P., Collen, B. and B\u00f6hm, M. (2013) ",
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                                "url": "https://rewildingeurope.com/wp-content/uploads/2013/11/Wildlife-Comeback-in-Europe-the-recovery-of-selected-mammal-and-bird-species.pdf",
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                                        "text": "Wildlife comeback in Europe: The recovery of selected mammal and bird species",
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                                "text": ". Final report to Rewilding Europe by ZSL, BirdLife International and the European Bird Census Council. London, UK: ZSL.{/ref}",
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                                "text": "Eurasian badger populations achieved an average increase of 100% \u2013 a doubling. Eurasian otters tripled, on average. For red deer this was an increase of 331%.",
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                                "text": "The ",
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                                "url": "https://www.iucnredlist.org/species/4007/197499749",
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                                        "text": "Eurasian beaver",
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                                "text": " has made the most remarkable recovery. It\u2019s estimated to have increased 167-fold, on average. There were likely only a few thousand beavers left in Europe in first half of the 20th century.{ref}This recent publication estimates that in the early 20th century there were only around 1200 animals.",
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                                "text": "Halley, D. J., Saveljev, A. P., & Rosell, F. (2020). Population and distribution of beavers Castor fiber and Castor canadensis in Eurasia. Mammal Review, 51(1), 1-24.{/ref} Today there are more than 1.2 million.",
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                                "text": "The European bison has achieved a similar level of comeback.",
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                                "text": "In the 2013 mammal comeback report, one species \u2013 the Iberian lynx \u2013 had shrinking populations. But, there is good news: after decades of decline, it ",
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                                "url": "https://www.nationalgeographic.co.uk/animals/2022/05/how-this-golden-eyed-feline-became-the-biggest-comeback-in-cat-conservation",
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                                        "text": "has been making",
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                                "text": " a remarkable recovery. So much so that the IUCN ",
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                                "url": "https://www.iucn.org/content/iucn-grants-top-management-green-list-award-iconic-donana",
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                                        "text": "moved it",
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                                "text": " from Critically Endangered to Endangered on the Red List in 2015. Its average population sizes are now bigger than they were in 1987.",
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                                "text": "There are more than 250 European mammal species, so the ones that we covered here represent just 10% of the continent\u2019s mammals. The fact that these species are doing well does not mean that all species are. Nonetheless, they give us many promising examples of how animal populations can recover after a long decline.",
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                                "text": "How are these mammal populations estimated?",
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                                "text": "Long-term monitoring of wildlife populations is difficult. The methods used and the quality of estimates can change and improve over time.",
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                                "text": "In this assessment, for each mammal, researchers drew on published studies that assessed the most recent population estimates, and the change over time. These are population estimates that are included in the ",
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                                "url": "https://livingplanetindex.org/home/index",
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                                        "text": "Living Planet Index",
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                                "text": ". To address the limitations of changes in data collection, the authors only include analyses where the same methods are applied over the same time series, and the data is transparent and traceable.",
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                                "text": "This means that the data coverage may vary from species to species. For example, the result for Eurasian beavers is based on studies of 98 different populations. The grey wolf is based on 86 studies. For the Iberian lynx, high-quality time series were only available for 7 populations. In the ",
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                                "url": "https://owid.cloud/app/uploads/2022/09/Mammal-comeback-in-Europe-data-OWID-download.csv",
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                                        "text": "attached spreadsheet",
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                                "text": " I have included the number of populations included for each of the 25 animal species. Note that the length of time-series for each population might not all be the same length. However, in every case they are combined to calculate an overall average trend for each species.",
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                                "text": "Unfortunately, the researchers do not have complete long-term assessments for all populations for all species. This means giving an accurate starting (e.g. 1960) population level is difficult and would come with a large uncertainty.",
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                                "text": "Instead, they report the average relative change in abundance across the monitored populations for a given species.",
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                                "text": "This means, for example, that the value of 16,705% for the Eurasian beaver means that there was, on average, a 16,705% increase in the numbers of beavers in each of the 98 populations that were included in this study. This does not mean that there was a 16,705% increase in all populations. Nor can we say that there was this level of increase for Eurasian beavers as a whole because we do not know the change in unmonitored populations, and the number of beavers in different populations will be different.",
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                "text": [
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                        "text": "Effective conservation and reintroduction programs have allowed mammal populations to flourish",
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                        "text": "How did Europe achieve this impressive recovery of mammal populations?",
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                        "text": "In short, stopping the activities that were killing mammals off in the first place. Effective protection against hunting, overexploitation, and the destruction of habitats have been key.",
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                        "text": "Agricultural land use ",
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                        "url": "https://ourworldindata.org/grapher/land-use-agriculture-longterm?stackMode=relative&country=DEU~GBR~FRA~SWE~PRT~ITA~BEL~NLD",
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                                "text": "has declined",
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                        "text": " across Europe over the last 50 years. This allowed natural habitats to return where agriculture had previously taken them over.",
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                        "text": "Another essential development was to stop hunting them. Countries brought in effective protection policies such as complete bans on hunting or hunting quotas; designated areas with legal protections; patrols to catch illegal poachers; and compensation schemes for the reproduction of certain species.",
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                        "text": "Most mammals are now listed under various region-wide protection schemes with strict regulations such as the EU Habitats and Species Directive; the Bern Convention and CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora).",
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                        "text": "In 1981 Sweden introduced hunting quotas on brown bears.{ref}IUCN/SSC Bear and Polar Bear Specialist Groups 1998. Brown bear conservation action plan for Europe (Ursus arctos), in Bears. Status survey and conservation action plan., C. Servheen, S. Herrero, and B. Peyton, Editors., IUCN, Gland, Switzerland: 55\u2013192.{/ref} This is thought to be the main driver of the recovery of this species. There has also been a European-wide ban on the hunting of Harbour seals, with the exception of Iceland and Norway.{ref}Reijnders, P., Brasseur, S., van der Toorn, J., et al. (1993). Seals, fur seals, sea lions, and walrus: Status survey and conservation action plan. IUCN/SSC Seal Specialist Group. Cambridge, U.K.",
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                        "text": "Special Committee on Seals (SCOS) 2010.Scientific Advice on Matters Related to the Management of Seal Populations 2010.{/ref} Sweden established a compensation scheme with financial rewards for the reproduction of wolverines.{ref}Special Committee on Seals (SCOS) 2010. Scientific Advice on Matters Related to the Management of Seal Populations 2010.{/ref} Most impressive of all, the Eurasian Beaver has not only had legal protection, it has also been reintroduced in more than 25 countries across Eurasia.{ref}Halley, D.J. & Rosell, F. 2002. The beaver\u2019s reconquest of Eurasia: status, population development and management of a conservation success. Mammal Review, 32 (3): 153\u2013178.{/ref}",
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                        "text": "The European bison made its comeback as the result of more than 50 years of breeding and reintroduction programs. In the 1930s, after going extinct in the wild, conservationists published the first edition of the ",
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                        "url": "https://bpn.com.pl/index.php?option=com_content&task=view&id=1132&Itemid=82&lang=en",
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                                "text": "European Bison Pedigree Book",
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                        "text": ". It records the full genealogical history of all surviving bison. It was the first conservation program of its kind and it has been updated every year since.",
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                        "text": "The bison has come a long way since its first reintroduction to the wild in 1952.{ref}Pucek, Z., Belousova, I.P., Krasi\u00f1ska, M., Krasi\u00f1ski, Z.A. and Olech, W. 2004. European Bison. Status Survey and Conservation Action Plan. IUCN/SSC Bison Specialist Group. Gland, Switzerland. 1\u201368.{/ref} A century after going extinct in the wild, the IUCN Red List ",
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                        "url": "https://www.iucn.org/news/species/202012/european-bison-recovering-31-species-declared-extinct-iucn-red-list",
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                                "text": "moved it",
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                        "text": " from the classification of Vulnerable to Near Threatened thanks to continued conservation efforts.",
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                        "text": "One thing that has been essential has been the vital work of conservationists. From fighting for wildlife protection policies and hunting quotas, to reintroduction programmes, the dedication of determined individuals lies at the heart of this wild mammal comeback.",
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                "text": [
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                        "text": "Keep reading at Our World in Data",
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                "url": "https://ourworldindata.org/yields-habitat-loss",
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                        "text": "Acknowledgements",
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                        "text": "I would like to thank my colleagues Max Roser, Fiona Spooner, Joe Hassel, Bastian Herre, Matt Conlen, Daniel Gavrilov, and Saloni Dattani for valuable suggestions and feedback on this article.\u00a0",
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                        "text": "I would also like to thank Louise McRae and Robin Freeman from the Zoological Society of London for their feedback on this work.",
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        ],
        "type": "article",
        "title": "Wild mammals are making a comeback in Europe thanks to conservation efforts",
        "authors": [
            "Hannah Ritchie"
        ],
        "excerpt": "Hunting and habitat loss drove many large mammals in Europe close to extinction. New data shows us that many of the continent\u2019s mammal populations are flourishing again.",
        "dateline": "September 27, 2022",
        "subtitle": "Hunting and habitat loss drove many large mammals in Europe close to extinction. New data shows us that many of the continent\u2019s mammal populations are flourishing again.",
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        "featured-image": "European-mammals-thumbnail.png"
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