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Korkeasaari zoo
Conservation status: Endangered species
(Wikipedia: en.wikipedia.org/wiki/Przewalski%27s_horse)
A swift and global conservation response is needed to prevent the world's gorillas, lions, tigers, rhinos, and other iconic terrestrial megafauna from being lost forever, an influential group of international scientists reported today in the journal BioScience.
Their analysis, entitled Saving the World's Terrestrial Megafauna, covers the precipitous loss of large mammal populations around the globe, from the poorly known, such as the scimitar-horned oryx, to more familiar species including tigers, lions, gorillas and rhinoceroses, Panthera, one of the organizations associated with the research, said in a news statement.
The report was written by 43 wildlife experts from six continents. [At least 16 of them are scientists who have previously received research grants from the National Geographic Society.]
Business as Usual = Massive Species Extinction
The report included a 13-point declaration calling for acknowledgement that a “business as usual” mentality will result in massive species extinction; while a global commitment to conservation with support for developing nations is a moral obligation.
Declaration to Save the World's Terrestrial Megafauna
We conservation scientists
“The more I look at the trends facing the world's largest terrestrial mammals, the more concerned I am we could lose these animals just as science is discovering how important they are to ecosystems and to the services they provide to people,” said William Ripple, lead author and distinguished professor of ecology in the College of Forestry at Oregon State University. “It's time to really think about conserving them because declines in their numbers and habitats are happening quickly.”
“To underline how serious this is, the rapid loss of biodiversity and megafauna in particular is an issue that is right up there with, and perhaps even more pressing than, climate change,” said senior co-author and Panthera Lion Program Policy Initiative Coordinator Dr. Peter Lindsey.
“Human communities stand to lose key elements of their natural heritage if these large wildlife species are allowed to go extinct,” Lindsey continued. “The disappearance of such species could also significantly undermine the future potential for communities to benefit from eco-tourism operations. Urgent measures are needed to address poaching, and to allow for the co-existence of people and wildlife if megafauna is to persist in the long term.”
Action Needed on Two Fronts
The scientists call for action on two fronts, Panthera explained: conservation interventions expanded to scales that address animals' extensive habitat needs, and policy shifts and increased financial commitment to alter the ways in which people interact with wildlife.
“Among the most serious threats to endangered animals are the expansion of livestock and agricultural developments, illegal hunting, deforestation and human population growth. Large wildlife species are extremely vulnerable to these threats because of their need for extensive spaces to live and low population densities, particularly for carnivores.”
Panthera President and Chief Conservation Officer and co-author Dr. Luke Hunter, said: “Among the world's largest animals, apex predators like the tiger, lion and leopard are increasingly under assault. The protection of these big cats the great white sharks of our terrestrial Earth and other large mammals is paramount to the health and survival of thousands of animals and their ecosystems.
“Today, 59 percent of the world's largest carnivores and 60 percent of the world's largest herbivores are categorized as threatened with extinction on the International Union for Conservation of Nature Red List. This situation is particularly dire in sub-Saharan Africa and Southeast Asia, home to the greatest diversity of remaining large mammals.
“Yet the resources for effective implementation of conservation strategies are seldom available in regions with the greatest needs. The onus is on developed countries, which have long ago lost most of their large animals, to support conservation initiatives where the world's most celebrated wildlife still remain.”
This post was compiled from materials sent by Panthera and published in BioScience
My Planet Experience posted a photo:
The Andean condor is considered endangered but is in far better shape than its California cousin. Perhaps a few thousand South American birds survive, and reintroduction programs are working to supplement that number.
These long-lived birds have survived over 75 years in captivity, but they reproduce slowly. A mating pair produces only a single offspring every other year, and both parents must care for their young for a full year.
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Water scavenger beetle (Helophorus nitiduloides) collected in Fundy National Park, New Brunswick, Canada, and photographed at the Centre for Biodiversity Genomics (sample ID: BIOUG13536-C09; specimen record: http://www.boldsystems.org/index.php/Public_RecordView?processid=SSFDA2013-14; BIN: http://www.boldsystems.org/index.php/Public_BarcodeCluster?clusteruri=BOLD:ACO4780)
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Mountain lions live like shadows around us, and most people have never seen one. Most never will. Yet on July 8, the Wyoming Game Commission granted these wraiths of forests and mountains a reprieve in several parts of the state, including Unit 2 in the northwest where Panthera's Teton Cougar Project (TCP) operates. Unit 2 extends north of Jackson through the Bridger-Teton National Forest to Yellowstone National Park. Thanks to the diligent efforts of the Wyoming Game and Fish Department's Large Carnivore Section (WGFD LCS) and researchers on the ground, research-driven mountain lion management is taking hold in Wyoming.
Since 2007, Wyoming has been aggressively trying to reduce its mountain lions in many areas to support mule deer populations and reduce real and perceived risks to people. Statewide, the number of mountain lions killed by hunters increased from 180 in 2006 to 306 in 2013, before dropping to 243 in 2015. Hunter success followed similar trends, with a steep drop of several percentage points after 2013. The proportion of older male mountain lions (the larger trophy animals hunters prefer) killed each year has also decreased. As a result, over the last 10 years, statewide harvest numbers have included 20% more young mountain lions. More adult females are being killed in many hunting units as well, and at younger ages. We know this thanks to improved tracking initiated by LCS biologists.
All of these changes indicate a population in decline—there are fewer mature male mountain lions on the landscape and fewer mountain lions in general, so many hunters are killing younger animals and females instead. This is significant because females are the reproductive capital of animal populations.
This year, a record number of people took part in the public comment process and provided feedback on proposed changes to mountain lion hunting regulations. Overwhelmingly, those who participated were mountain lion hunters requesting that the WGFD increase hunting opportunities and increase mountain lion populations around the state. Tex Adams, representing the WY Federation of Houndsmen, explicitly requested more “science-based management.” Until this Game Commission meeting, most Wyoming hunting units other than Unit 2 have steadily increased mountain lion hunting limits since 2000. This year, the Game Commission approved reductions not only in Unit 2, but under recommendation by the LCS, reductions in Units 3, 6, 12 and 20 as well. In stark contrast to the rest of Wyoming, this is the fourth reduction in the hunting limit for Unit 2 since 2000.
So, what makes Unit 2 so special? One reason is research. Mountain lions are notoriously difficult to track and count, and thus the LCS has had the incomprehensible task of managing mountain lion populations in the absence of accurate population numbers. Unit 2 is an exception. The Teton Cougar Project launched in 2000 under Craighead Beringia South and is now led by Panthera. With support from local people and the Community Foundation of Jackson Hole, we've monitored local mountain lions ever since. Subsequently, Unit 2 has seen a 75% reduction in the hunting limits for mountain lions, while statewide mountain lion hunting quotas have increased by 44% in the same time frame. This is both a testament to the value of research and the voices of Jackson's conservation organizations.
Research-driven management can help managers with tough decisions. In our study area, we've found that the local mountain lion population has declined by 47% over the last 8-10 years. Our calculations show that by reducing mountain lion hunting in the study area to just one animal, the population decline could potentially be halted. If the quota were reduced to zero, mountain lion populations might slowly recover. Given that TCP's study area is one-third the area of Unit 2, WGFD “scaled up” and reduced the hunting limit in Unit 2 from five to three animals.
Jackson is unique in Wyoming in that the majority of residents enjoy the presence of large carnivores; many feel that a hunting limit of three mountain lions is still too many. It's important to realize that mountain lion management is highly influenced by deer and elk management, as well as safety issues for people and livestock (both perceived and real). While it's true that this new limit is unlikely sufficient to support the population's rebound, this science-supported decision to limit the number of lions killed in several Units is a step in the right direction. Work is also underway testing new methods of counting mountain lions across Wyoming, some developed in collaboration between the LCS and TCP researchers, and others pioneered by the LCS alone. When we better know how many mountain lions reside across the state, imagine what we could do for them.
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