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Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences

https://read.qxmd.com/read/37718608/climate-change-adaptation-needs-a-science-of-culture
#1
JOURNAL ARTICLE
Anne Pisor, J Stephen Lansing, Kate Magargal
There is global consensus that we must immediately prioritize climate change adaptation-change in response to or anticipation of risks from climate change. Some researchers and policymakers urge 'transformative change', a complete break from past practices, yet report having little data on whether new practices reduce the risks communities face, even over the short term. However, researchers have some leads: human communities have long generated solutions to changing climate, and scientists who study culture have examples of effective and persistent solutions...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718607/climate-micro-mobilities-as-adaptation-practice-in-the-pacific-the-case-of-samoa
#2
JOURNAL ARTICLE
Anita Latai-Niusulu, Masami Tsujita, Andreas Neef
Recent debates on climate mobilities have largely ignored the dynamics of mobility patterns including short-distance and short-duration circular movements to enhance adaptative capacity and resilience of households and individuals, enabling them to remain in place despite facing increasingly severe climatic risks. This paper explores Pacific Islanders' climate-related mobilities with reference to cases from Samoa. It first conceptualizes Samoan mobility, which is rooted in Samoan culture, norms and worldviews, and then uses this as a framework to examine ways in which people shift and diversify their residential locations for climate-associated reasons...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718606/understanding-constraints-to-adaptation-using-a-community-centred-toolkit
#3
JOURNAL ARTICLE
Danielle C Buffa, Katharine E T Thompson, Dana Reijerkerk, Stephanie Brittain, George Manahira, Roger Samba, Francois Lahiniriko, Clovis Jean Brenah Marius, Jean Yves Augustin, Justome Ricky Francois Tsitohery, Roi Magnefa Razafy, Harison Leonce, Tanambelo Rasolondrainy, Kristina Douglass
Worldwide, marginalized and low-income communities will disproportionately suffer climate change impacts while also retaining the least political power to mitigate their consequences. To adapt to environmental shocks, communities must balance intensifying natural resource consumption with the need to ensure the sustainability of ecosystem provisioning services. Thus, scientists have long been providing policy recommendations that seek to balance humanitarian needs with the best outcomes for the conservation of ecosystems and wildlife...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718605/climate-change-adaptation-and-the-back-of-the-invisible-hand
#4
REVIEW
H Clark Barrett, Josh Armstrong
A good deal of contemporary work in cultural evolutionary theory focuses on the adaptive significance of culture. In this paper, we make the case that scientifically accurate and politically feasible responses to the climate crisis require a complex understanding of human cultural practices of niche construction that moves beyond the adaptive significance of culture. We develop this thesis in two related ways. First, we argue that cumulative cultural practices of niche construction can generate stable equilibria and runaway selection processes that result in long-term existential risks within and across cultural groups...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718604/efficiency-traps-beyond-the-climate-crisis-exploration-exploitation-trade-offs-and-rebound-effects
#5
JOURNAL ARTICLE
Jose Segovia-Martin, Felix Creutzig, James Winters
Higher levels of economic activity are often accompanied by higher energy use and consumption of natural resources. As fossil fuels still account for 80% of the global energy mix, energy consumption remains closely linked to greenhouse gas (GHG) emissions and thus to climate change. Under the assumption of sufficiently elastic demand, this reality of global economic development based on permanent growth of economic activity, brings into play the Jevons Paradox, which hypothesises that increases in the efficiency of resource use leads to increases in resource consumption...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718603/navigating-polycrisis-long-run-socio-cultural-factors-shape-response-to-changing-climate
#6
JOURNAL ARTICLE
Daniel Hoyer, James S Bennett, Jenny Reddish, Samantha Holder, Robert Howard, Majid Benam, Jill Levine, Francis Ludlow, Gary Feinman, Peter Turchin
Climate variability and natural hazards like floods and earthquakes can act as environmental shocks or socioecological stressors leading to instability and suffering throughout human history. Yet, societies experience a wide range of outcomes when facing such challenges: some suffer from social unrest, civil violence or complete collapse; others prove more resilient and maintain key social functions. We currently lack a clear, generally agreed-upon conceptual framework and evidentiary base to explore what causes these divergent outcomes...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718602/minority-group-incubators-and-majority-group-reservoirs-support-the-diffusion-of-climate-change-adaptations
#7
JOURNAL ARTICLE
Matthew A Turner, Alyson L Singleton, Mallory J Harris, Ian Harryman, Cesar Augusto Lopez, Ronan Forde Arthur, Caroline Muraida, James Holland Jones
Successful climate change adaptation depends on the spread and maintenance of adaptive behaviours. Current theory suggests that the heterogeneity of metapopulation structure can help adaptations diffuse throughout a population. In this paper, we develop an agent-based model of the spread of adaptations in populations with minority-majority metapopulation structure, where subpopulations learn more or less frequently from their own group compared to the other group. In our simulations, minority-majority-structured populations with moderate degrees of in-group preference better spread and maintained an adaptation compared to populations with more equal-sized groups and weak homophily...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718601/climate-change-and-long-term-human-behaviour-in-the-neotropics-an-archaeological-view-from-the-global-south
#8
REVIEW
Vivian Scheinsohn, A Sebastián Muñoz, Mariana Mondini
In this paper, we argue for the inclusion of archaeology in discussions about how humans have contributed to and dealt with climate change, especially in the long term. We suggest Niche Construction Theory as a suitable framework to that end. In order to take into account both human and environmental variability, we also advocate for a situated perspective that includes the Global South as a source of knowledge production, and the Neotropics as a relevant case study to consider. To illustrate this, we review the mid-Holocene Hypsithermal period in the southern Puna and continental Patagonia, both in southern South America, by assessing the challenges posed by this climate period and the archaeological signatures of the time from a Niche Construction Theory perspective...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718600/operationalizing-cultural-adaptation-to-climate-change-contemporary-examples-from-united-states-agriculture
#9
JOURNAL ARTICLE
Timothy M Waring, Meredith T Niles, Matthew M Kling, Stephanie N Miller, Laurent Hébert-Dufresne, Hossein Sabzian, Nicholas Gotelli, Brian J McGill
It has been proposed that climate adaptation research can benefit from an evolutionary approach. But related empirical research is lacking. We advance the evolutionary study of climate adaptation with two case studies from contemporary United States agriculture. First, we define 'cultural adaptation to climate change' as a mechanistic process of population-level cultural change. We argue this definition enables rigorous comparisons, yields testable hypotheses from mathematical theory and distinguishes adaptive change, non-adaptive change and desirable policy outcomes...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718599/adaptive-irrigation-management-by-balinese-farmers-reduces-greenhouse-gas-emissions-and-increases-rice-yields
#10
JOURNAL ARTICLE
J S Lansing, J N Kremer, I B G Suryawan, S Sathiakumar, G S Jacobs, N N Chung, I Wy A Artha Wiguna
The potential for changes in water management regimes to reduce greenhouse gases (GHG) in rice paddies has recently become a major topic of research in Asia, with implications for top-down versus bottom-up management strategies. Flooded rice paddies are a major source of anthropogenic GHG emissions and are responsible for approximately 11% of global anthropogenic methane (CH4 ) emissions. However, rice is also the most important food crop for people in low- and lower-middle-income countries. While CH4 emissions can be reduced by lessening the time the plants are submerged, this can trigger increased emissions of nitrous oxide (N2 O), a more potent GHG...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718598/the-impacts-of-climate-change-energy-policy-and-traditional-ecological-practices-on-future-firewood-availability-for-din%C3%A3-navajo-people
#11
JOURNAL ARTICLE
Kate Magargal, Kurt Wilson, Shaniah Chee, Michael J Campbell, Vanessa Bailey, Philip E Dennison, William R L Anderegg, Adrienne Cachelin, Simon Brewer, Brian Frank Codding
Local-scale human-environment relationships are fundamental to energy sovereignty, and in many contexts, Indigenous ecological knowledge (IEK) is integral to such relationships. For example, Tribal leaders in southwestern USA identify firewood harvested from local woodlands as vital. For Diné people, firewood is central to cultural and physical survival and offers a reliable fuel for energy embedded in local ecological systems. However, there are two acute problems: first, climate change-induced drought will diminish local sources of firewood; second, policies aimed at reducing reliance on greenhouse-gas-emitting energy sources may limit alternatives like coal for home use, thereby increasing firewood demand to unsustainable levels...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718597/small-scale-farmer-responses-to-the-double-exposure-of-climate-change-and-market-integration
#12
JOURNAL ARTICLE
K L Kramer, J V Hackman
Anthropologists have long studied how small-scale societies manage climate variation. Here, we investigate how Yucatec Maya subsistence farmers respond to climate stress, and the ways in which market integration may enhance or disturb response stategies. Using information on harvest returns, climate perceptions, household economics and helping networks, modelling results show that as farmers rely more on market inputs (e.g. seed, tractors, fertilizer) for a successful yield, the reasons given for a bad harvest shift from climate variables to access to quality inputs...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37718596/socio-economic-predictors-of-inuit-hunting-choices-and-their-implications-for-climate-change-adaptation
#13
JOURNAL ARTICLE
Friederike Hillemann, Bret A Beheim, Elspeth Ready
In the Arctic, seasonal variation in the accessibility of the land, sea ice and open waters influences which resources can be harvested safely and efficiently. Climate stressors are also increasingly affecting access to subsistence resources. Within Inuit communities, people differ in their involvement with subsistence activities, but little is known about how engagement in the cash economy (time and money available) and other socio-economic factors shape the food production choices of Inuit harvesters, and their ability to adapt to rapid ecological change...
November 6, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37661748/the-dual-hypothesis-of-homeostatic-body-weight-regulation-including-gravity-dependent-and-leptin-dependent-actions
#14
REVIEW
John-Olov Jansson, Frederik Anesten, Daniel Hägg, Jovana Zlatkovic, Suzanne L Dickson, Per-Anders Jansson, Erik Schéle, Jakob Bellman, Claes Ohlsson
Body weight is tightly regulated when outside the normal range. It has been proposed that there are individual-specific lower and upper intervention points for when the homeostatic regulation of body weight is initiated. The nature of the homeostatic mechanisms regulating body weight at the lower and upper ends of the body weight spectrum might differ. Previous studies demonstrate that leptin is the main regulator of body weight at the lower end of the body weight spectrum. We have proposed that land-living animals use gravity to regulate their body weight...
October 23, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37661747/the-provisioned-primate-patterns-of-obesity-across-lemurs-monkeys-apes-and-humans
#15
JOURNAL ARTICLE
Herman Pontzer
Non-human primates are potentially informative but underutilized species for investigating obesity. I examined patterns of obesity across the Primate order, calculating the ratio of body mass in captivity to that in the wild. This index, relative body mass, for n = 40 non-human primates (mean ± s.d.: females: 1.28 ± 0.30, range 0.67-1.78, males: 1.24 ± 0.28, range 0.70-1.97) overlapped with a reference value for humans (women: 1.52, men: 1.44). Among non-human primates, relative body mass was unrelated to dietary niche, and was marginally greater among female cohorts of terrestrial species...
October 23, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37661746/diet-composition-and-energy-intake-in-humans
#16
REVIEW
R James Stubbs, Graham Horgan, Eric Robinson, Mark Hopkins, Clarissa Dakin, Graham Finlayson
Absolute energy from fats and carbohydrates and the proportion of carbohydrates in the food supply have increased over 50 years. Dietary energy density (ED) is primarily decreased by the water and increased by the fat content of foods. Protein, carbohydrates and fat exert different effects on satiety or energy intake (EI) in the order protein > carbohydrates > fat. When the ED of different foods is equalized the differences between fat and carbohydrates are modest. Covertly increasing dietary ED with fat, carbohydrate or mixed macronutrients elevates EI, producing weight gain and vice versa...
October 23, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37661745/obesity-and-psychological-distress
#17
REVIEW
Andrew Steptoe, Philipp Frank
The relationship between high body weight and mental health has been studied for several decades. Improvements in the quality of epidemiological, mechanistic and psychological research have brought greater consistency to our understanding of the links. Large-scale population-based epidemiological research has established that high body weight is associated with poorer mental health, particularly depression and subclinical depressive symptoms. There is some evidence for bidirectional relationships, but the most convincing findings are that greater body weight leads to psychological distress rather than the reverse...
October 23, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37661744/food-insecurity-as-a-cause-of-adiposity-evolutionary-and-mechanistic-hypotheses
#18
REVIEW
Melissa Bateson, Gillian V Pepper
Food insecurity (FI) is associated with obesity among women in high-income countries. This seemingly paradoxical association can be explained by the insurance hypothesis, which states that humans possess evolved mechanisms that increase fat storage to buffer against energy shortfall when access to food is unpredictable. The evolutionary logic underlying the insurance hypothesis is well established and experiments on animals confirm that exposure to unpredictable food causes weight gain, but the mechanisms involved are less clear...
October 23, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37661743/obesity-and-thinness-insights-from-genetics
#19
REVIEW
Sadaf Farooqi
Genetic disruption of key molecular components of the hypothalamic leptin-melanocortin pathway causes severe obesity in mice and humans. Physiological studies in people who carry these mutations have shown that the adipose tissue-derived hormone leptin primarily acts to defend against starvation. A lack of leptin causes an intense drive to eat and increases the rewarding properties of food, demonstrating that human appetite has a strong biological basis. Genetic studies in clinical- and population-based cohorts of people with obesity or thinness continue to provide new insights into the physiological mechanisms involved in weight regulation and identify molecular targets for weight loss therapy...
October 23, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/37661742/causal%C3%A2-models-and-causal-modelling-in%C3%A2-obesity-foundations-methods-and%C3%A2-evidence
#20
REVIEW
Roger S Zoh, Xiaoxin Yu, Philip Dawid, George Davey Smith, Stephen J French, David B Allison
Discussing causes in science , if we are to do so in a way that is sensible, begins at the root. All too often, we jump to discussing specific postulated causes but do not first consider what we mean by, for example, causes of obesity or how we discern whether something is a cause. In this paper, we address what we mean by a cause, discuss what might and might not constitute a reasonable causal model in the abstract, speculate about what the causal structure of obesity might be like overall and the types of things we should be looking for, and finally, delve into methods for evaluating postulated causes and estimating causal effects...
October 23, 2023: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
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