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animal population decline

日期:2020-12-13 来源: 浏览:0

See how the climate crisis has impacted Earth, Designers send fabric waste here for a second life, A drop in travel helps the planet. Mammal, bird, reptile, fish, and amphibian populations have declined by 52% during the last 4 decades according to the World Wildlife Fund. Washington, D.C., Sept. 9, 2020 – Globally, monitored population sizes of mammals, fish, birds, reptiles, and amphibians have declined an average of 68% between 1970 and 2016, according to World Wildlife Fund’s (WWF) Living Planet Report 2020. "But still, we're seeing very distinct declines in freshwater ecosystems, largely because of the way we dam rivers and also because of the use of freshwater resources for producing food to feed a growing population of people worldwide," she said. Humans have significantly altered a staggering 75% of the planet's ice-free land surface, the authors say. Between 1970 and 2016, populations of mammals, birds, amphibians and fish declined 68%. Human activity has fueled the decline in species, the report found. In the UK, the government promised to halt wildlife decline - but bird numbers continue to fall. Animal populations in freshwater ecosystems have plummeted by 75% since 1970. You may opt-out by. (CNN)The world's wildlife populations have fallen by an average of 68% in just over four decades, with human consumption behind the devastating decline, the World Wildlife Fund warned in a new report released Wednesday. by Jon D. B. September 11, 2020. written by Jon D. B. September 11, 2020. The WWF warns that this biodiversity loss threatens the world's food security. Populations of land-dwellers like the … Read: It’s a mistake to focus just on animal extinctions . Populations of the UK’s most important wildlife have plummeted by an average of 60% since 1970, according to the most comprehensive analysis to … Mammal defaunation—the loss of mammals to extinction, extirpation and population decline—in the Neotropics and its adverse effects is the focus … That is alarming -- and I think alarming, even by our own measures of alarming -- we really thought with the efforts that were going on, that we would see change in the direction. Africa recorded a 65% fall in its wildlife during the same period, primarily due to changes in land and sea use with species overexploitation also having a significant impact. Animal species around the world have seen their populations decline by an average of 60 percent between 1970-2014, according to a report published Tuesday by … And according to WWF, ecosystem destruction now threatens some 1 million species -- 500,000 animals and plants and 500,000 insects -- with extinction in the coming decades and centuries. Climate Change. As humanity's footprint expands into once-wild places, we're devastating species populations. *Click below to enlarge (charted by Statista), Decine in monitored vertebrate species populations between 1970 and 2016. "We often focus on species that are in big trouble, or on the edge of extinction, but by the time the species gets there, it no longer is serving its ecological function," Shaw explained. Share; Tweet Reddit Flipboard Email A group of prothonotary warblers and one worm-eating warbler enjoy a … Freshwater animals, like frogs, show the biggest drops in the index, with an average decline of 79 percent. The World Wildlife Fund’s Living Planet Report reveals a sharp decline in animal populations worldwide, especially in Latin America and the … The conversion of grassland, savannah, forest and wetland habitats, the overexploitation of wildlife, the introduction of non-native species and climate change are the key drivers of the drop. Did you know that the nutrition you get as you're growing can affect how big you get? Elsewhere, the decline amounted to 45% in the Asia Pacific region, 33% in North America and 24% in Europe and Central Asia. "Extreme declines occur disproportionately in larger animals," researchers wrote in the paper. 50% The Earth is estimated to have lost about half of its shallow water corals in the past 30 years. But we're also exacerbating climate change and increasing the risk of zoonotic diseases like Covid-19," WWF-US President and CEO Carter Roberts said in a statement. Nature is in 'freefall' due to human activity, with wildlife populations around the world declining by more than two thirds in less than 50 years, according to … Data journalist covering technological, societal and media topics, EY & Citi On The Importance Of Resilience And Innovation, Impact 50: Investors Seeking Profit — And Pushing For Change, Michigan Economic Development Corporation With Forbes Insights. "We are destroying rainforests to convert the land to cropland to feed a growing planet and the growing demand for food, in general, and animal protein, in particular," Shaw said. Lambertini said that it is not too late to put things right but that "world leaders must take urgent action to protect and restore nature as the foundation for a healthy society and a thriving economy". Insect populations have declined by 75% in some places of the world. In fact, I love to write about all trending topics. The regions of Latin America and the Caribbean are the world's worst-affected areas, with an average drop of 94%, the report said. The tropical regions of Central and South America have suffered the worst impact of any global region, registering a 94% decline in wildlife stocks since 1970. The Living Planet Report 2020 report drew on wildlife monitoring of more than 4,300 different vertebrate species - mammals, fish, birds and amphibians - from around the world… Our work at Statista has been featured in publications including Mashable, the Wall Street Journal and Business Insider. Nutrition is also one factor in how big or small a whole population of animals can get, not just individuals within that population. If this rate remains unchanged, some species will disappear from half of the habitats they occupy in about 20 years. This lesso… A major new report released by The World Wildlife Fund has found that global wildlife populations have declined by more than two thirds in 50 years and that nature is still being destroyed by humans at a rate unprecedented in history. If you have poor nutrition while growing up, you'll be smaller than if you get lots of good nutrition. The devastating findings of the report weren't confined to land and it found that freshwater species populations fell 84% over the past five decades while 75% of fish stocks are overexploited in the planet's oceans. Other factors that influence animal population size include water, habitat, competition, predation, and lots more. 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The species decline affects human health, food and medicine supplies, according to … "The most dramatic decline was in freshwater," Rebecca Shaw, chief scientist at WWF, explained. The index also warned that further destruction of animal habitat only increases the chance of another pandemic in the future. The index tracks more than 10,000 vertebrate species populations from 1970 to 2010. Worldwide Animal Populations Reportedly Decline By Nearly 70% in Only 50 Years, Experts Say. By Elizabeth Pennisi Sep. 19, 2019 , 2:00 PM. The World Wildlife Fund For Nature’s Living Planet Report released this week describes a catastrophic decline in animal populations the world over. The report says that the kinds of steep wildlife population decreases the Earth has seen in recent decades have not been seen for millions of years. The Living Planet Report 2020 assessed the population declines seen in more than 4,392 monitored species of mammals, birds, fish, reptiles and amphibians between 1970 and 2016. Animal Populations Decline 68% in Less than 50 Years, Report Finds. It tracked how humanity’s appetite for land, energy and water has decimated animal populations. Experts say that freshwater biodiversity is declining fastest, with data showing that 85% of global wetlands have been lost since the Industrial Revolution. The tropical regions of Central and South America … Three billion North American birds have vanished since 1970, surveys show. But … The forces behind this unprecedented destruction are many. "In the process of deforestation and forest fragmentation for food production, we are opening up more and more tropical forests to the poaching of its animals for sale in a worldwide market -- and with this is we are exposing ourselves to a dizzying array of new diseases," she added. © 2020 Forbes Media LLC. Shaw told CNN that population decline is indicative of the planet's ability to support life. He added that the report "clearly outlines how humanity’s increasing destruction of nature is having catastrophic impacts not only on wildlife populations but also on human health and all aspects of our lives". In this case, the conversion of grasslands, savannahs, forests and wetlands, the overexploitation of species, climate change, and the introduction of alien species are all key drivers of the grim trend. I am a Statista data journalist, covering technological, societal and media topics through visual representation. 20% Over the past few years, news stories describing the global wildlife decline have generally referenced the Living Planet Index (LPI), which is based on methodology developed by the World Wildlife Fund and the Zoological Society of London. September 25, 2020. Zoonotic diseases are ones that jump from animals to humans. In fact, I love to write about all trending topics, illustrating patterns and trends in a quick, clear and meaningful way. The report's authors warned that biodiversity loss is a serious threat to global food security. Populations living in freshwater habitats represent that sharpest decline of any biome, with a drop of 84 percent between 1970 and 2016, losing the equivalent of four percent a year. And Covid-19 is only the beginning," she said. CNN Sans ™ & © 2016 Cable News Network. "To feed and fuel our 21st century lifestyles, we are overusing the Earth's biocapacity by at least 56%," the report authors noted. The average decline in overall amphibian populations is 3.79 percent per year, though the decline rate is more severe in some regions of the U.S., such as the West Coast and the Rocky Mountains. The Living Planet Index tracked 20,811 populations of 4,392 vertebrate species and it found that over-consumption by humans has been the driving force behind the catastrophic population collapse with deforestation and agricultural expansion key contributing factors. The total numbers of more than 4,000 mammal, bird, fish, reptile and amphibian species declined rapidly between 1970 and 2014, the Living Planet Report 2018 says. "This report reminds us that we destroy the planet at our peril -- because it is our home. Experts say that climate change could soon be a key driver of species decline. Here’s why. However, these efforts inadvertently caused a dramatic decline in the population of the black-footed ferret, whose diet is 90 percent prairie dog. "The longer the wildlife stay in supply chains with other humans and people, the greater the risk of spillover of a wildlife disease to humans. Researchers say that human activity is the main driver of population decline. "You begin to see a picture of an unraveling of nature. Here's why that matters. The world's wildlife populations have fallen by an average of 68% in just over four decades, with human consumption behind the devastating decline, a new World Wildlife … Experts say that while climate change is not yet the biggest cause of biodiversity loss, in the coming years, climate change will become a key driver of species decline unless world leaders take action. Setting aside 10 per cent of the vertebrate populations at both extremes — those that have declined and increased the most — “still reveals a decline of 42 per cent since 1970,” he said. The LPI indicates that wildlife populations have declined by 60% from 1970 through 2014. We are playing Russian Roulette with the threat of pandemics and in the end we will lose ... big. Leung was at pains to make clear that his findings do not suggest all is well in the animal kingdom. This article takes a look at some of the major … Opinions expressed by Forbes Contributors are their own. Some populations have declined by as much as 98%, notably in certain elephants and turtles (Picture: WWF) Bombshell new findings on global wildlife suggests that population … The populations of freshwater mammals, birds, amphibians, reptiles and fishes monitored have fallen by an average of 4% each year since 1970, the report found. Global wildlife populations have fallen by two-thirds in 50 years, while some Australian animal populations have been almost entirely wiped out. The Living Planet Index tracks over 4,000 species of vertebrates, and has identified increasing deforestation and agricultural expansion as key factors leading to the decline of the Earth's wildlife population. Populations in Latin America and the Caribbean have fared worst, with an average decline of 94%. Populations of mammals, birds, fish, reptiles, and amphibians have, on average, declined by 60% between 1970 and 2014, the most recent year with available data. Nature up close: The massive decline of bird populations. I am a Statista data journalist, covering technological, societal and media topics through visual representation. Setting aside 10 percent of the vertebrate populations at both extremes -- those that have declined and increased the most -- "still reveals a decline of 42 percent since 1970," he said. WWF International director general Marco Lambertini said that "at a time when the world is reeling from the deepest global disruption and health crisis of a lifetime, this year’s Living Planet Report provides unequivocal and alarming evidence that nature is unravelling and that our planet is flashing red warning signs of vital natural systems failure". Between 1970 and 2016, populations of mammals, birds, amphibians and fish declined 68%. All Rights Reserved, This is a BETA experience. But the total number of actual animals has gone down from 5,550 to 4,605, which is a decline of just 17 percent. Updated 8:20 AM ET, Thu September 10, 2020. The world’s animal populations are in a serious freefall. Scientists also warned that the further destruction of the planet would spell disaster for humans. "The main driver of species decline is the habitat destruction that comes from agriculture, expanding agricultural production, to produce food," Shaw told CNN. But while the report finds that nature is being "destroyed by us at a rate unprecedented in history," experts say the declining trends can be halted and even reversed with urgent action, such as transforming how we produce and consume food, tackling climate change and conserving nature. Just individuals within that population decline is indicative of the planet would spell disaster For humans illustrating... 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