Home is where the future is: The BrightFocus Foundation consensus panel on dementia care

IntroductionA national consensus panel was convened to develop recommendations on future directions for home‐based dementia care (HBDC).MethodsThe panel summarized advantages and challenges of shifting to HBDC as the nexus of care and developed consensus‐based recommendations.ResultsThe panel developed five core recommendations: (1) HBDC should be considered the nexus of new dementia models, from diagnosis to end of life in dementia; (2) new payment models are needed to support HBDC and reward integration of care; (3) a diverse new workforce that spans the care continuum should be prepared urgently; (4) new technologies to promote communication, monitoring/safety, and symptoms management must be tested, integrated, and deployed; and (5) targeted dissemination efforts for HBDC must be employed.DiscussionHBDC represents a promising paradigm shift to improve care for those living with dementia and their family caregivers: these recommendations provide a framework to chart a course forward for HBDC.HighlightsFive core BrightFocus Foundation panel recommendations:Home‐based dementia care should be considered the nexus of new long‐term care models.New payment models are needed to stimulate, reward, and support home care practices.A skilled new workforce spanning long‐term care needs to be developed and equipped.New technologies to promote best practices must be tested, integrated, and deployed.Value propositions and improved public health communication are needed.Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/152597/1/alzjjalz201710006.pd

Parental cooperation in a changing climate: fluctuating environments predict shifts in care division

Aim: Parental care improves the survival of offspring and therefore has a major impact on reproductive success. It is increasingly recognized that coordinated biparental care is necessary to ensure the survival of offspring in hostile environments, but little is known about the influence of environmental fluctuations on parental cooperation. Assessing the impacts of environmental stochasticity, however, is essential for understanding how populations will respond to climate change and the associated increasing frequencies of extreme weather events. Here we investigate the influence of environmental stochasticity on biparental incubation in a cosmopolitan ground-nesting avian genus. Location: Global. Methods: We assembled data on biparental care in 36 plover populations (Charadrius spp.) from six continents, collected between 1981 and 2012. Using a space-for-time approach we investigate how average temperature, temperature stochasticity (i.e. year-to-year variation) and seasonal temperature variation during the breeding season influence parental cooperation during incubation. Results: We show that both average ambient temperature and its fluctuations influence parental cooperation during incubation. Male care relative to female care increases with both mean ambient temperature and temperature stochasticity. Local climatic conditions explain within-species population differences in parental cooperation, probably reflecting phenotypic plasticity of behaviour. Main conclusions: The degree of flexibility in parental cooperation is likely to mediate the impacts of climate change on the demography and reproductive behaviour of wild animal populations.</p

LES DISLOCATIONS DANS LA GLACE Ih

Des données récentes concernant la vitesse des dislocations dans la glace à haute température montrent une dépendance non linéaire vis-à-vis de la contrainte. Pour les interpréter, nous proposons un nouveau modèle basé sur l'hypothèse d'une structure de cœur non cristalline des dislocations.New data on the high temperature velocity of dislocations in ice show a non-linear stress dependence. A new model, based on an amorphous core structure of dislocations, is then proposed to account for experiments

Dislocations et propriétés physico-mécaniques de la glace Ih

Ce travail constitue une synthèse sur le rôle que jouent les dislocations dans la physique de la glace. Après l'étude de l'aspect géométrique des défauts linéaires dans la glace, les diverses techniques d'observation directe de ces défauts sont décrites. L'effet des dislocations sur les propriétés de la glace est discuté, en particulier : les propriétés électriques, le comportement plastique, les propriétés inélastiques, la croissance cristalline. Diverses hypothèses théoriques permettant l'explication des résultats expérimentaux sont présentées. Par exemple, en développant l'idée suivant laquelle le mouvement des dislocations est conditionné par la réorientation des molécules d'eau, il a été possible d'établir un modèle exprimant la vitesse de déplacement des défauts linéaires en fonction de la contrainte, de la température, de l'énergie d'activation et de la teneur en impuretés. Le large domaine des propriétés influencées par le comportement des dislocations dans la glace, explique l'importance que l'on doit accorder à ces défauts

Hindsight in marine protected area selection: a comparison of ecological representation arising from opportunistic and systematic approaches

Systematic approaches to site selection for marine protected areas (MPAs) are often favored over opportunistic approaches as a means to meet conservation objectives efficiently. In this study, we compared analytically the conservation value of these two approaches. We locate this study in Danajon Bank, central Philippines, where many MPAs were established opportunistically based on community preference, with few if any contributions from biophysical data. We began by identifying the biophysical data that would have been available when the first MPA was created in Danajon Bank (1995). We next used these data with the reserve selection software Marxan to identify MPAs that covered the same area as is protected under the current set of MPAs (0.32% of the total study area) and that would protect the greatest number of conservation targets at the lowest cost. We finally compared the conservation value of the current MPAs to the value of those selected by Marxan. Because of the dearth of biophysical data available in 1995 and the small area currently under protection, Marxan identified multiple configurations of MPAs that would protect the same percentage of conservation targets, with little differentiation among sites. Further, we discovered that the costs of obtaining and analyzing these data to be used for conservation planning would have been large relative to resources typically available to conservation planners in developing countries. Finally, we found that the current set of MPAs protected more ecological features than would be expected by chance, although not as many as could be protected using a systematic approach. Our results suggest that an opportunistic approach can be a valuable component of conservation planning, especially when biophysical data are sparse and community acceptance is a critical factor affecting the success of an MPA

Successful breeding predicts divorce in plovers

When individuals breed more than once, parents are faced with the choice of whether to re-mate with their old partner or divorce and select a new mate. Evolutionary theory predicts that, following successful reproduction with a given partner, that partner should be retained for future reproduction. However, recent work in a polygamous bird, has instead indicated that successful parents divorced more often than failed breeders (Halimubieke et al. in Ecol Evol 9:10734–10745, 2019), because one parent can benefit by mating with a new partner and reproducing shortly after divorce. Here we investigate whether successful breeding predicts divorce using data from 14 well-monitored populations of plovers (Charadrius spp.). We show that successful nesting leads to divorce, whereas nest failure leads to retention of the mate for follow-up breeding. Plovers that divorced their partners and simultaneously deserted their broods produced more offspring within a season than parents that retained their mate. Our work provides a counterpoint to theoretical expectations that divorce is triggered by low reproductive success, and supports adaptive explanations of divorce as a strategy to improve individual reproductive success. In addition, we show that temperature may modulate these costs and benefits, and contribute to dynamic variation in patterns of divorce across plover breeding systems