Brazilian algorithm aims to project future of Amazon Rainforest and predict changes in carbon capture

The computer program was developed at the State University of Campinas to include more vegetation diversity in the analysis of climate change impacts.

Peer-Reviewed Publication

FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO

 

IMAGE: THE COMPUTER PROGRAM WAS DEVELOPED AT THE STATE UNIVERSITY OF CAMPINAS TO INCLUDE MORE VEGETATION DIVERSITY IN THE ANALYSIS OF CLIMATE CHANGE IMPACTS view more 

CREDIT: TIAGO LATESTA/PROJETO BRASIL DAS ÁGUAS

A group of researchers at the State University of Campinas (UNICAMP), in São Paulo state, Brazil, has developed an algorithm that projects the future of vegetation in the Amazon, presenting scenarios for transformation of the forest driven by climate change.

One of the results shows that a drier climate in the region, with a 50% drop in precipitation, could increase diversity but lower the level of carbon storage. Storage of carbon dioxide (CO2) in roots would increase, but absorption of CO2 in leaves, stems and trunks, which have more storage capacity, would decrease. Taking different situations into account, the scientists calculate that carbon absorption could drop between 57.48% and 57.75% compared with regular climate conditions.

The algorithm, which is the first of its kind designed exclusively for Brazil, is called CAETÊ, which means “virgin forest” in Tupi-Guarani and is an acronym of CArbon and Ecosystem functional Trait Evaluation model. Its first results are described in an article published in the journal Ecological Modelling.

CAETÊ simulates natural phenomena using mathematical equations fed with environmental data such as rainfall, solar radiation and CO2 levels. It predicts photosynthesis rates under specific conditions, for example, or says which plant parts will store more carbon (roots, leaves, stems or trunks), calculating carbon storage capacity in a given area and the point at which native vegetation can no longer recover.

“The main finding of the study was that including diversity in vegetation models improves their ability to project ecosystem responses to climate change and enhances their credibility. A second point, which was unexpected, was that when a 50% drop in precipitation was applied, plant strategy diversity increased but carbon removal from the atmosphere decreased. This can have a different impact on climate change mitigation. In this case, the increase in diversity isn’t necessarily a good thing,” said Bianca Fazio Rius, first author of the article and a PhD candidate at UNICAMP’s Institute of Biology (IB).

Rius is supported by FAPESP, which also funded the study via a scholarship awarded to João Paulo Darela Filho, and via AmazonFACE, a research program involving field experiments to find out how the rise in atmospheric carbon dioxide affects the Amazon Rainforest, especially its biodiversity and ecosystem services. FACE stands for Free-Air Carbon dioxide Enrichment (more at: amazonface.unicamp.br/#). 

Rius is a member of the team at the Terrestrial System Science Laboratory, headed by Professor David Montenegro Lapola, last author of the article.

“CAETÊ accurately represents the huge biological diversity of the world’s largest tropical forest, while at the same time stimulating field data collection, which is still necessary for this kind of model,” Lapola told Agência FAPESP.

Lapola was one of the Brazilians who, with 34 other scientists affiliated with institutions here and abroad, signed an article featured on the cover of Science early this year, showing that 38% of the Amazon’s current area suffers degradation due to fire, illegal logging, edge effects (fragmentation due to changes in habitats adjacent to deforested areas) and extreme drought. As a result, carbon emissions deriving from gradual loss of vegetation are equivalent to or even greater than emissions due to deforestation.

Pros and cons

Vegetation models are widely used to analyze the carbon balance in the Amazon under projected future climate conditions. Previous research showed that the Amazon’s average temperature has risen 1 °C in the last 40 years and that rainfall has decreased 36% in some areas. CO2 storage capacity has also fallen owing to deforestation, vegetation degradation and global warming.

Moreover, according to a report published on May 17 by the World Meteorological Organization (WMO), global temperatures are likely to surge to record levels in the next five years because of greenhouse gas emissions and El Niño, and rainfall is set to decrease in the Amazon.

However, most existing algorithms are based on a small number of plant functional types (PFTs), which are adopted by modelers to represent broad groupings of plant species that share similar characteristics and ecosystem functions. As a result, diversity is underrepresented and the combination of traits found in model ecosystems is far simpler than warranted by the complexity of the world’s largest tropical forest, leading to scenarios that are limited or overestimate the impact of environmental change. They include dynamic global vegetation models (DGVMs), which simulate changes in vegetation and the associated biogeochemical and hydrological cycles in response to climate change (e.g. Jena Diversity, or JeDi). If these are the cons, the pros include not depending on logistics and major investments, as do large-scale field experiments.

Tipping point

According to Rius, the study did not focus on species. “We used the idea that every individual, even individuals in the same species, can be considered a type of strategy for dealing with the environment. Computationally created strategies don’t necessarily belong to any particular species,” she said.

For a plant or any living being, she explained, a strategy represents a set of traits that determine how it responds to or affects the environment. A plant that adapts root depth in order to access water depending on the height of the water table could be a good example. Strategies profoundly influence the ability to survive and reproduce, and they are associated with ecosystem services such as carbon storage or production of moisture for precipitation.

“As the climate becomes drier, we’re seeing a change in types of life strategy in the Amazon. Strategies increasingly resemble those of the Cerrado [Brazil’s savanna-like biome]. It’s as if the Cerrado had begun to penetrate into the forest. Other researchers have noted this as well,” Rius said.

The study using CAETÊ provided more evidence that the inclusion of variability and diversity can have implications for modeling the Amazon’s tipping point, when natural vegetation will no longer be able to recover, the scientists explained. One of the first articles to address this topic was signed by Thomas Lovejoy (1941-2021), the biologist who coined the term “biological diversity”, and Carlos Nobre, Co-Chair of the Science Panel for the Amazon. The paper highlighted the importance of the forest’s water cycle not just for Brazil but for all of South America and other regions.

Through evapotranspiration, the forest guarantees throughout the year the moisture that contributes, for example, to rainfall in parts of the La Plata River basin, especially in southern Paraguay, South Brazil, Uruguay and eastern Argentina. 

More diversity

Development of CAETÊ began in 2015. It was based on the potential vegetation model CPTEC-PVM2 developed by Lapola and Nobre, with Marcos D. Oyama. 

“Most vegetation models represent the Amazon with two or three types of strategy. We set out to include more diversity. We’ll continue to develop our model because good models are never finished,” Rius said.

In this direction, Bárbara Cardeli, a PhD candidate at IB-UNICAMP, joined the group and is working on the model to include a module that will calculate ecosystem services.

“This tool will be easy to use and will show whether specific ecosystem services are assured via processes such as how plant strategies allocate carbon. We want to include numerical values for the provision of these services,” Cardeli said.

The researchers envisage CAETÊ as supplying data-based input for decision-making and for the formulation of public policy for the carbon market. At the 2021 UN Climate Change Conference (COP26), Brazil announced a commitment to halve its carbon emissions from the 2005 level by 2030 and achieve carbon neutrality by 2050.

About São Paulo Research Foundation (FAPESP)

The São Paulo Research Foundation (FAPESP) is a public institution with the mission of supporting scientific research in all fields of knowledge by awarding scholarships, fellowships and grants to investigators linked with higher education and research institutions in the State of São Paulo, Brazil. FAPESP is aware that the very best research can only be done by working with the best researchers internationally. Therefore, it has established partnerships with funding agencies, higher education, private companies, and research organizations in other countries known for the quality of their research and has been encouraging scientists funded by its grants to further develop their international collaboration. You can learn more about FAPESP at www.fapesp.br/en and visit FAPESP news agency at www.agencia.fapesp.br/en to keep updated with the latest scientific breakthroughs FAPESP helps achieve through its many programs, awards and research centers. You may also subscribe to FAPESP news agency at http://agencia.fapesp.br/subscribe.

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JOURNAL

Ecological Modelling

DOI

10.1016/j.ecolmodel.2023.110323 

ARTICLE TITLE

Higher functional diversity improves modeling of Amazon forest carbon storage

Gene therapy produces long-term contraception in female domestic cats

The study’s findings offer a potential alternative to surgical spaying

Peer-Reviewed Publication

MASSACHUSETTS GENERAL HOSPITAL

BOSTON—Currently there are no contraceptives capable of producing permanent sterilization in companion animals. Spaying, the surgical removal of the ovaries and uterus, is the most widely used strategy to control unwanted reproduction in female cats.

For the first time, researchers at Massachusetts General Hospital (MGH), a founding member of Mass General Brigham (MGB), and their collaborators have demonstrated that a single dose of anti-Müllerian hormone (AMH) gene therapy can induce long-term contraception in the domestic cat, potentially providing a safe and effective alternative to surgical spaying. The research is published in the latest issue of Nature Communications.

During previous research to evaluate AMH (also known as Müllerian inhibiting substance, or MIS) as a method to protect ovarian reserve in women undergoing chemotherapy, senior author David Pépin, PhD, Associate Director of the Pediatric Surgical Research Laboratories at Massachusetts General Hospital, and an Associate Professor at Harvard Medical School discovered that raising the level of AMH beyond a certain threshold suppressed the growth of ovarian follicles, effectively preventing ovulation and conception.

“AMH is a naturally occurring non-steroidal hormone produced by the ovaries in human females and other mammals, and in the testes in males.” says Patricia K. Donahoe, MD, a co-author of this study and the Director of Pediatric Surgical Research Laboratories and Chief Emerita of Pediatric Surgical Services at Massachusetts General Hospital.

In 2017, Pépin and his collaborators were the first to publish the contraceptive potential of AMH in rodents.

The team then turned their attention to felines. To raise AMH levels in female domestic cats, the researchers created an adeno-associated viral (AAV) gene therapy vector with a slightly altered version of the feline AMH gene. Human therapies using similar AAV vectors to deliver various therapeutic genes have proven to be safe and effective and have been approved by the FDA.

“A single injection of the gene therapy vector causes the cat’s muscles to produce AMH, which is normally only produced in the ovaries, and raises the overall level of AMH about 100 times higher than normal,” says Pépin.

The researchers treated six female cats with the gene therapy at two different doses, and three cats served as controls. A male cat was brought into the female colony for two four-month-long mating trials. The researchers followed the female cats for more than two years, assessing the effect of the treatment on reproductive hormones, ovarian cycles, and fertility.

All the control cats produced kittens, but none of the cats treated with the gene therapy got pregnant. Suppressing ovarian follicle development and ovulation did not affect important hormones such as estrogen. There were no adverse effects observed in any of the treated female cats, demonstrating that at the doses tested, the gene therapy was safe and well tolerated.

“The treatment maintained high AMH levels for over two years, and we’re confident that those contraceptive levels will be sustained in the animals for much longer,” says veterinarian Philippe Godin, DVM, PhD, co-author and research fellow at MGH. Additional studies in a larger number of cats are needed to confirm these promising findings, he adds.

The collaborative research team, which includes investigators from MGH, the Center for Conservation and Research of Endangered Wildlife at the Cincinnati Zoo and Botanical Garden, and at the Horae Gene Therapy Center at the University of Massachusetts Medical School, received funding from The Michelson Found Animals Foundation, which is offering a $25-million prize to scientists to develop a single-treatment nonsurgical sterilization method for cats and dogs. The foundation also provides grant funding to support research that could lead to a practical solution that meets all the prize criteria.

“A non-surgical sterilant for community and companion animals is long overdue and will transform animal welfare,” said Gary K. Michelson, MD, founder and co-chair of Michelson Philanthropies and the Michelson Found Animals Foundation. “This breakthrough discovery is a major milestone in our quest to provide pet owners with an alternative to surgical spay and neuter.”

“This technology may be a little ahead of its time,” acknowledges Pépin, noting that the infrastructure needed to produce enough doses to sterilize millions of cats via gene therapy does not yet exist. “Our goal is to show that safe and effective permanent contraception in companion animals can be achieved using gene therapy. And we hope that as the manufacturing capability of producing viral vectors increases with the rise of gene therapy in humans, delivering this contraceptive in the field to control unowned outdoor cat populations will become feasible.”

Major funding for this research was provided by the Michelson Prize & Grants, a program of The Michelson Found Animals Foundation, co-chaired by Dr. Gary K. Michelson and Alya Michelson, the Joanie Bernard Foundation, and the department of Surgery of the Massachusetts General Hospital.

Co-authors include Lindsey M. Vansandt, Marie-Charlotte Meinsohn, Guangping Gao, Dan Wang, and William F. Swanson.

 

About the Massachusetts General Hospital

Massachusetts General Hospital, founded in 1811, is the original and largest teaching hospital of Harvard Medical School. The Mass General Research Institute conducts the largest hospital-based research program in the nation, with annual research operations of more than $1 billion and comprises more than 9,500 researchers working across more than 30 institutes, centers and departments. In July 2022, Mass General was named #8 in the U.S. News & World Report list of "America’s Best Hospitals." MGH is a founding member of the Mass General Brigham healthcare system.

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JOURNAL

Nature Communications

DOI

10.1038/s41467-023-38721-0 

ARTICLE TITLE

Durable contraception in the female domestic cat using viral-vectored delivery of a feline anti-Müllerian hormone transgene

ARTICLE PUBLICATION DATE

6-Jun-2023

Elastocaloric cooling system opens door to climate-friendly AC

Peer-Reviewed Publication

UNIVERSITY OF MARYLAND

 

IMAGE: METALLIC SOLID-STATE REFRIGERANT TUBES USED FOR ELASTOCALORIC COOLING, AN ENVIRONMENTALLY FRIENDLY REFRIGERATION TECHNOLOGY. view more 

CREDIT: JIAQI DAI/MARYLAND ENGINEERING

College Park, Md. — Air conditioning, refrigeration, and other cooling technologies account for more than 20 percent of today’s global energy consumption, while the refrigerants they use have a global warming potential thousands of times greater than carbon dioxide. In a recent study in the journal Science, a team led by Maryland Engineering Professors Ichiro Takeuchi, Reinhard Radermacher, and Yunho Hwang introduced a high-performance elastocaloric cooling system that could represent the next generation of cooling devices.

Takeuchi calls it “a completely different, completely green, environmentally friendly cooling technology, which bypasses chemical refrigerants to essentially rely on pushing and pulling pieces of metal to create cooling.” Caloric materials—including magnetocaloric, electrocaloric, and elastocaloric materials—can undergo phase transition and release, and absorb heat upon application of various fields and mechanical forces. The key feature is the compression and release of fatigue-resistant nickel-titanium (NiTi) tubes configured in a versatile, multimode heat exchange architecture.

“More than a decade ago, we were just playing with a NiTi wire,” Takeuchi said. “By stretching it, you could get a substantial cooling effect one could feel by hand. That was when we started thinking about applying the concept to a cooling device.” The lab’s subsequent work has been funded by the U.S. Department of Energy for more than a decade.

The team says it’s possible to improve the performance of its system enough to make the technology commercially viable within several years. A current prototype can produce 200 watts of cooling capacity, enough to power a compact wine fridge, with plans to expand to window units, whole-house cooling systems, and commercial HVACs eventually.

High-performance multimode ela [VIDEO] | 

The A. James Clark School of Engineering at the University of Maryland serves as the catalyst for high-quality research, innovation, and learning, delivering on a promise that all graduates will leave ready to impact the Grand Challenges of the 21st century. The Clark School is dedicated to leading and transforming the engineering discipline and profession, to accelerating entrepreneurship, and to transforming research and learning activities into new innovations that benefit millions. 

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JOURNAL

Science

DOI

10.1126/science.adg7043 

ARTICLE TITLE

High-performance multimode elastocaloric cooling system

New push will digitize records of African plants held in herbaria and museums across the US

Grant and Award Announcement

UNIVERSITY OF KANSAS

LAWRENCE — Over the past few decades, herbaria and museums worldwide have created digital data records documenting millions of specimens in their holdings. The benefits of digitizing the contents of natural history museums and research institutions flow to the public and researchers worldwide.

Now, through a group of related grants from the National Science Foundation, researchers are systemically digitizing more than a million specimens of plants from across tropical Africa held at 20 institutions throughout the United States. The tropical African plant specimens — documenting some of the richest elements of biodiversity in the world — will be digitally imaged, while associated data are captured and data records are georeferenced.

Some of the job of assembling and performing quality control on the related datasets is taking place at the University of Kansas Biodiversity Institute, with $1 million of National Science Foundation funds supporting data cleaning and improvement work led by Town Peterson, University Distinguished Professor of Ecology & Evolutionary Biology and senior curator with the KU Natural History Museum and Biodiversity Institute. Peterson also directs the overall projects, which includes the U.S. herbaria and four African partner institutions.

“Herbaria tend to have large-scale collections, so this is a big initiative,” Peterson said. “The herbarium community in the U.S. has made really good progress on U.S. data thanks to some big initiatives at NSF, so now you can access a lot of the herbarium data on U.S. plants online easily. Still, there's a lot of herbarium specimens from other parts of the world that nobody's gotten to yet. Tropical Africa is one of those places.”

Building on previous digitization collaborations with Alex Asase, professor at the University of Ghana, Peterson was involved in assembling the network of American herbaria to apply for the new NSF funds. Previously, Peterson and Asase partnered to organize digitization of more than 250,000 herbarium records for specimens from West Africa in work funded by the JRS Biodiversity Foundation. This new grant aims to move much of the specimen digitization enterprise to a new model, in which the people wanting and needing to use the data are major factors in capturing, improving and sharing the data.

“Alex is in charge of one of the larger herbaria in in West Africa,” Peterson said. “So, he digitized those data and got them online for the scientific community. Alex’s work has helped other herbaria in Benin, Togo, Liberia, Nigeria and Cameroon. But the biggest collections are held in herbaria and museums in Europe… you can't really have any control over collections priorities in those institutions. So how do you speed that up? Alex asked, ‘What if we were to find a solution where the people who need the data promote and essentially make the capture of the data happen?’”

The new NSF-funded project is larger in scope, involving essentially all U.S. institutions with important holdings from the region. Among the partners are the University of California-Berkeley, California Botanic Garden (formerly Rancho Santa Ana Botanic Garden), Missouri Botanical Garden, Harvard University and the New York Botanical Garden.

“The idea is that NSF funds U.S. herbaria to scan and capture data from all of their plant specimens from tropical Africa,” Peterson said. “The data are then improved via data-quality checking here at the University of Kansas and georeferenced by African partner teams located in Ghana, Rwanda, Malawi and Gabon. That is, a major part of the process of making these data come alive will be done by African scientists and students who are eager to access such a rich store of information.”

Peterson, an ornithologist by training, also is a leader in working with data generated by digitization projects. The KU Biodiversity Institute was an early pioneer in the field. In this capacity, his team at KU (including KU graduate students) will work with the huge datasets that the herbaria and African georeferencing teams will generate.

“The data come back here to KU, and my group will do a lot of the quality control,” Peterson said. “We’ll pick out possible problems. Then this big data pool — about 1.3 million new data records for tropical Africa — will be at the disposition of not just the network of herbaria, but the whole world community. The data will be there for scientific analyses to be done.” 

New study finds that women and underrepresented groups experience higher rates of sexual harassment, cyber incivility and negative workplace climate in academic medicine

Peer-Reviewed Publication

EMORY HEALTH SCIENCES

 

IMAGE: WINSHIP CANCER INSTITUTE OF EMORY UNIVERSITY RESEARCHER RESHMA JAGSI, MD, DPHIL, CHAIR OF THE DEPARTMENT OF RADIATION ONCOLOGY AT EMORY UNIVERSITY SCHOOL OF MEDICINE view more 

CREDIT: WINSHIP CANCER INSTITUTE OF EMORY UNIVERSITY

(Atlanta – June 6, 2023) – A new study led by Winship Cancer Institute of Emory University researcher Reshma Jagsi, MD, DPhil, has found that women, racial and ethnic minorities and individuals identifying as lesbian, gay, bisexual, transgender and queer are disproportionately affected by workplace mistreatment in academic medicine, and this mistreatment negatively impacts their mental health.

The study, which was published today in the Journal of the American Medical Association, looked specifically at three aspects of workplace mistreatment in academic medicine – sexual harassment, cyber incivility and negative workplace climate – and whether they differ by gender, race and ethnicity, and LGBTQ+ status. Additionally, the study examined whether these factors are associated with faculty mental health. 

Researchers surveyed a total of 830 faculty members who received National Institutes of Health career development awards in 2006 - 2009 and remained in academia. Experiences were compared by gender, race and ethnicity, and LGBTQ+ status.

The study found that high rates of sexual harassment, cyber incivility and negative workplace climate disproportionately target marginalized individuals, including women, those whose race or ethnicity has been underrepresented in medicine, and members of the LGBTQ+ community, and these experiences were associated with poorer mental health.

“Understanding the nature and frequency of experiences with harassment is the essential first step to inform a broader cultural transformation process,” says Jagsi, chair of the Department of Radiation Oncology at Emory University School of Medicine. “Cultural transformation of the medical profession is critical to foster civil work environments within which the best and brightest members of society can thrive in their pursuit of the admirable mission to promote human health through care delivery, research and education.”

Key findings show that women were more likely than men to experience sexual harassment, including gender harassment and unwanted sexual attention. Of the women surveyed, 71.9% reported that they experienced gender harassment during the past two years, compared to 44.9% of men. Women rated both the general and diversity workplace climate as worse than men and reported certain forms of incivility, sexist comments and sexual harassment when using social media professionally. In addition, mental health ratings were lower for women, and this difference appeared partly explained by differences in culture experiences.

“The findings suggest that even while women’s representation in the medical field has improved, their experiences reflect marginalization,” says Jagsi. “These stressors lead to a lack of psychological safety, communicate unbelonging and affect mental health, compromising the vitality of these critical contingents of the professional workforce.”

Of the individuals who identify as LGBTQ+, 13% reported experiencing sexual harassment while using social media professionally vs. 2.5% of those who identify as cisgender or heterosexual.

In addition, respondents with races and ethnicities underrepresented in medicine rated the diversity climate more negatively than white respondents and reported certain forms of cyber incivility and racist comments when using social media professionally.

Together, these results suggest an ongoing need for specific interventions to transform culture in academic medicine.

The authors of the study state in JAMA: “The highest rates of sexual harassment occur in organizations that are perceived to tolerate such behavior. Organizations that proactively develop, disseminate and enforce sexual harassment policies are least likely to harbor such behaviors. These efforts must go beyond formalistic and symbolic legal compliance to engage workers from the ground up and leaders from the top down to ensure meaningful culture change. Opportunities to share organizational wins and best practices abound, including the NASEM’s Action Collaborative, the Association of American Medical Colleges’ Group on Women in Medicine and Sciences, and myriad others in professional specialty societies. The findings from the current study should motivate increased attention and resources toward these efforts.”

This study was supported by an R01 grant (grant 5R01GM139842-03) from the National Institutes of Health.

Additional authors of the study include the following researchers from the University of Michigan, Kent Griffith, MS, MPH, Chris Krenz, BA, Rochelle D. Jones, MS, Christina Cutter, MD, MSc, MS, Eva L. Feldman, MD, PhD, Clare Jacobson, MD, Eve Kerr, MD, MPH, Kelly Paradis, PhD, Kanakadurga Singer, MD, MA, Abby Stewart, PhD, Dana Telem, MD, and Isis Settles, PhD, as well as Nancy Spector, MD, from the College of Medicine at Drexel University and Peter Ubel, MD, PhD, from the Schools of Business and Medicine at Duke University.

About Winship Cancer Institute of Emory University
Winship Cancer Institute of Emory University is dedicated to discovering cures for cancer and inspiring hope. As Georgia’s only National Cancer Institute-designated Comprehensive Cancer Center, Winship researches, teaches, disseminates and provides novel and highly effective ways to prevent, detect, diagnose, treat and survive cancer. For more information, visit winshipcancer.emory.edu.

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JOURNAL

JAMA

DOI

10.1001/jama.2023.7232 

METHOD OF RESEARCH

Survey

SUBJECT OF RESEARCH

People

ARTICLE TITLE

Workplace Harassment, Cyber Incivility, and Climate in Academic Medicine

ARTICLE PUBLICATION DATE

6-Jun-2023

COI STATEMENT

Dr Jagsi reported receiving grants paid to her institution from the Susan G. Komen Foundation, the American Cancer Society, the Doris Duke Charitable Foundation, and Genentech; receiving personal fees from the Doris Duke Charitable Foundation, the Greenwall Foundation, and the law firm of Dressman Benziger Lavelle and Kleinbard LLC for serving as an expert witness; and having stock options in Equity Quotient (a company that evaluates culture in health care companies) for serving on the advisory board. Dr Cutter reported receiving grants from the Doris Duke Charitable Foundation and receiving personal fees from Wolters Kluwer, the RAND Corporation, and the Research Consortium for Health Care Value Assessment. Dr Feldman reported receiving grants from the Juvenile Diabetes Research Foundation. No other disclosures were reported.

Workplace harassment, cyber incivility, and climate in academic medicine

JAMA

Peer-Reviewed Publication

JAMA NETWORK

About The Study: In this survey of clinician-researchers who received career development grants from the National Institutes of Health, there were concerning rates of sexual harassment, cyber incivility, and negative perceptions of climate, disproportionately affecting minoritized groups and affecting mental health. Ongoing efforts to transform culture are necessary. 

Authors: Reshma Jagsi, M.D., D.Phil., of Emory University in Atlanta, is the corresponding author.

To access the embargoed study: Visit our For The Media website at this 

doi:10.1001/jama.2023.7232

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

#  #  #

Embed this link to provide your readers free access to the full-text article

 https://jamanetwork.com/journals/jama/fullarticle/10.1001/jama.2023.7232?guestAccessKey=1f74db51-a4fd-4576-ace8-f54ffcf0d593&utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=060623

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JOURNAL

JAMA

To prevent future pandemics, leave bats alone

Peer-Reviewed Publication

WILDLIFE CONSERVATION SOCIETY

 

IMAGE: PANDEMIC PREVENTION REQUIRES A GLOBAL TABOO WHEREBY HUMANITY AGREES TO LEAVE BATS ALONE—TO LET THEM HAVE THE HABITATS THEY NEED, UNDISTURBED view more 

CREDIT: CLEMENT KOLOPP

A new paper in the journal The Lancet Planetary Health makes the case that pandemic prevention requires a global taboo whereby humanity agrees to leave bats alone—to let them have the habitats they need, undisturbed.

 

Like the SARS coronavirus outbreak of 2003, the COVID-19 pandemic can be traced back to a bat virus. Whether someone handled or ate an infected bat or was exposed to a bat’s bodily fluids in a cave or some other way, or was exposed to another animal that had been infected by a bat, we will quite likely never know. Even a virus released via a lab accident would still have originally come from a bat. But we don’t need to know all of the details in order to act.

 

Bats are known to be reservoirs for a wide range of viruses that can infect other species, including people. They are a source of rabies, Marburg filoviruses, Hendra and Nipah paramyxoviruses, coronaviruses such as Middle East Respiratory Syndrome (MERS) Coronavirus, and fruit bats are strongly believed to be a source of Ebolaviruses. A new analysis points to the value of a global taboo whereby humanity agrees to leave bats alone—not fear them or try to chase them away or cull them (activities that only serve to disperse them and increase the odds of zoonotic spillover)—but to let them have the habitats they need and live undisturbed.

 

If an ounce of prevention is indeed worth a pound of cure, then the authors emphasize that humanity simply must take the most basic, common-sense upstream steps to lower our risk of incurring another pandemic—at the interface where dangerous viruses can actually move from animals into people.

 

“In a globalized world with 8 billion people, we can no longer ignore our interconnectedness with the wildlife and ecosystems around us. We must change humanity’s relationship with nature if we want to prevent the next pandemic of zoonotic origin—and that can start with bats,” says Dr. Susan Lieberman, WCS’s Vice President for International Policy.

 

Simply put, humanity must change its broken relationship with nature, specifically wildlife and bats in particular. The costs of implementing the human behavioral changes we need are insignificant compared to the costs of another global pandemic (which could be even more devastating).

“Getting humanity to work collaboratively at a global scale underpins most of the existential challenges we face, from climate change and environmental pollution to biodiversity loss and ecosystem collapse—this at a time when earnest collaboration even at local scales often seems elusive,” notes Cornell Professor of Wildlife Health & Health Policy Steven A. Osofsky, lead author of the study.” “However, if we can actually stop hunting, eating, and trading bats, stay out of their caves, keep livestock away from areas where bats are concentrated, and if we can stop deforesting, degrading (or even start restoring) their natural habitats, we can indisputably lower the chances of another pandemic.”

 

The authors emphasize that allowing bats to survive and thrive will also pay billions of dollars in dividends in the form of the ecosystem services that bats provide, such as control of mosquitos and other harmful insects, as well as pollination of a wide array of important crops. They conclude that humanity’s relationships with other kinds of animals indeed merit close scrutiny, but respecting bats and the habitats they need is truly the lowest hanging fruit of genuine upstream pandemic prevention—an important better-late-than-never message now that we’ve passed the third anniversary of the COVID-19 pandemic.

 

The newly published analysis undertaken by Cornell University and Wildlife Conservation Society experts, An Immediate Way to Lower Pandemic Risk: (Not) Seizing the Low-Hanging Fruit (Bat), was made possible by a generous grant from the Cornell Atkinson Center for Sustainability and appears in the June 5th, 2023 issue of The Lancet Planetary Health.

 

The Cornell Wildlife Health Center strives to sustain a healthier world by developing and implementing proactive, science-based solutions to challenges at the interface of wildlife health, domestic animal health, human health and livelihoods, and the environment that supports us all.

 

The Wildlife Conservation Society

MISSION: WCS saves wildlife and wild places worldwide through science, conservation action, education, and inspiring people to value nature. To achieve our mission, WCS, based at the Bronx Zoo, harnesses the power of its Global Conservation Program in nearly 60 nations and in all the world’s oceans and its five wildlife parks in New York City, visited by 4 million people annually. WCS combines its expertise in the field, zoos, and aquarium to achieve its conservation mission. Visit: newsroom.wcs.org Follow: @WCSNewsroom. For more information: 347-840-1242. Listen to the WCS Wild Audio podcast HERE.

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JOURNAL

The Lancet Planetary Health

DOI

10.1016/S2542-5196(23)00077-3 

METHOD OF RESEARCH

Commentary/editorial

SUBJECT OF RESEARCH

Animals

ARTICLE TITLE

An immediate way to lower pandemic risk: (not) seizing the low-hanging fruit (bat)

ARTICLE PUBLICATION DATE

5-Jun-2023