Solenostemon rotundifolius is a species belonging to the Lamiaceae family. It is currently one of the minor plants of high socio-economic interest. One of the limitations to promoting this species in Burkina Faso is t...Solenostemon rotundifolius is a species belonging to the Lamiaceae family. It is currently one of the minor plants of high socio-economic interest. One of the limitations to promoting this species in Burkina Faso is the lack of varieties that meet consumers’ demands. Implementing a breeding program is an important step toward achieving this goal. Such a program is based on the variability of agronomical traits of interest within evaluated germplasm. This study aimed to assess the level of two germplasms variability of S. rotundifolius from Ghana and Burkina Faso for traits related to vegetative development, cycle, and yield. Agromorphological characterization of 174 accessions, including 116 from Ghana and 58 from Burkina Faso was carried out in Randomised Complete Block Design with three replications. The characterization was made on the basis of fifteen (15) quantitative traits related to the canopy and leaf size, the cycle, and the yield. Analysis of variance revealed significant differences between accessions within each germplasm for all the evaluated traits. The analysis of the structuration of this agromorphological variability allowed organizing the accessions into different groups. These results could lead to the identification of accessions within each germplasm for breeding purposes or future research on genotype-environment interactions.展开更多
Sea asparagus is a newly emerging seawater-irrigated vegetable. Firstly, the economic value of sea asparagus was introduced, and then, someexploiting approaches of sea asparagus werefully reviewed. The exploiting appr...Sea asparagus is a newly emerging seawater-irrigated vegetable. Firstly, the economic value of sea asparagus was introduced, and then, someexploiting approaches of sea asparagus werefully reviewed. The exploiting approaches mainly include fresh vegetable, pickle, bio-salt, health-care products, animal feed, vegetable oil, bio-diesel and skin-care products.展开更多
The Gulf of Guinea region enjoined with the unique characteristics of the Guinea surface and underwater currents driving the upwelling season, besets the ecological importance of the area amidst growing offshore devel...The Gulf of Guinea region enjoined with the unique characteristics of the Guinea surface and underwater currents driving the upwelling season, besets the ecological importance of the area amidst growing offshore development. Though several attempts are being made to identify the various cetacean species inhabiting the area, little to no progress is made to under the animal population, their behaviour and distribution in the face of the growing threat. The study hence attempts to develop cetacean population and distribution estimation within Ghana’s offshore construction sites in the time frame of field development while emphasizing the effects of operations on animal behaviour and habitats, purpose at providing an understanding with the general behaviour of these mammals peculiar to the area and too what level the impact of change is having on distribution trends. The study finds the upwelling tends to suggest, strong animal presence in the area during feeding. Short-fin pilot whales were a dominant cetacean feature within the observed cetacean population estimated to have 160 (<em>CV</em> = <em>0.3728</em>) presence. Findings suggest the strong biological importance, BIA (habitat, feeding and breeding), as well as operations drawing on animal curiosity, heightened animal vulnerability. Further studies are required to understand the temporal and spatial distributions patterns, while efforts are needed to ensure protected areas are established, animal surveillance and conservative attitudes are encouraged.展开更多
There are high expectations for Mobile Health to transform health into a sustainable and prevention-based system. Unfortunately it has not reached its scale of adoption many had hoped for, due to the existence of adop...There are high expectations for Mobile Health to transform health into a sustainable and prevention-based system. Unfortunately it has not reached its scale of adoption many had hoped for, due to the existence of adoption barriers. More insight into these barriers fosters adoption of mHealth and the innovation it can bring to worldwide healthcare. This study investigates the main barriers in the adoption of mHealth, their underlying causes and their breakthrough possibilities. All the data are gathered from an international and multi-stakeholder point of view. First of all we tried to identify the main barriers by doing an international literature study. Second of all we asked Dutch mHealth Key Opinion Leaders (KOLs) to rank the barriers to importance. These KOLs were from different stakeholder groups;policy-makers, users and developers. At last we asked the KOLs in interviews for underlying causes and breakthrough opportunities of the barriers. Eventually twelve main adoption barriers emerged. According to literature and to the KOLs the most important barriers are “Integration and interoperability” and “Business case”. An underlying cause for the barrier “Integration and interoperability” might be the active closed power system of technology suppliers, which exists in the Netherlands. Furthermore there seems to be a difference in the importance of the barriers “Privacy and security” and “Conservative culture” when perceptions of Dutch KOLS and international literature are compared. Within the stakeholders-groups, the KOLs think differently about the importance of the barriers “Visionless development” and “Competing payment mechanism”. The Dutch healthcare insurers could take a more leading role in the fragmented landscape of mHealth in the Netherlands, by strategically funding new initiatives that use open standards and deliver better value for end-users. Other chances might lie in the international cooperation between countries to overcome certain barriers.展开更多
Limited integration of contextual factors in maternal care contributes to slow progress towards achieving MDG5 in sub-Sahara Africa. In Ngorongoro, rural Tanzania, the maternal mortality ratio is high with 642 materna...Limited integration of contextual factors in maternal care contributes to slow progress towards achieving MDG5 in sub-Sahara Africa. In Ngorongoro, rural Tanzania, the maternal mortality ratio is high with 642 maternal deaths/100,000 live births. Skilled birth attendants (SBAs) assist only 7% of deliveries. This study, undertaken from 2009 to 2011, used Participatory Action Research involving local stakeholders (Maasai women and men, traditional birth attendants (TBAs), hospital staff) to examine reasons for low utilization of SBAs and moreover to develop proposals how to integrate contextual factors and local needs in the health care system. Interviews, observations and literature study were also conducted. Thaddeus and Maine’s Three Delays model is used to structure the analysis. Delaying factors in decision making at home: negative perceptions by the community on availability and quality of care in the hospital;discontinuity of care by TBAs;food and financial insecurity;desired nearness to cattle and family;limited recognition of maternal deaths;limited male health education and suboptimal birth preparedness. Delaying factors in reaching the hospital: vehicle and road limitations. Delaying factors in receiving hospital care: limited (human) resources and limited knowledge sharing at the hospital. Community members and health workers proposed: increasing food/financial security;tailoring male health education;combining TBA/SBA care to provide continuous, culturally appropriate labour support;creating separate maternity wards;increasing the number and training of staff;ensuring continuous availability of Emergency Obstetric Care. Applying solutions to increase hospital utilization seems complex as collaborative actions by multiple actors and institutions are needed to create both a needs based and clinically sound continuum of maternal care. To follow-up this process of integrating local solutions into the maternal care system, we suggest to adapt the WHO Strategic Approach—a top-down framework for the implementation of innovations—to fit this bottom-up approach.展开更多
The heavy rainfall in Beijing on 21 July 2012 was a high impact event. First, a synoptic overview of this event is presented based on the ECMWF reanalysis and forecast data, together with observations of hourly precip...The heavy rainfall in Beijing on 21 July 2012 was a high impact event. First, a synoptic overview of this event is presented based on the ECMWF reanalysis and forecast data, together with observations of hourly precipitation. It is found that an east to northeastward moving "low-level northwest vortex" caused this event. The vortex was formed under favorable circulation patterns and intensified by low-level dry intrusions. The source regions of the large volume of moisture necessary to sustain the intense rainfall are diagnosed by back-trajectory analysis. Approximately 77% of the moisture was transported from the Bay of Bengal (BOB). The transport processes, including vertical profiles, mean humidity variations, and relative importance of the rain-paths, are further quantified by the back-trajectory analysis and cluster analysis. The results highlight the importance of the southwestern path in transporting moisture to northern China, which accounts for 88.4% of the moisture from the BoB, and 68% of the total of the "7.21" heavy rainfall event.展开更多
In 1993,the skeletal remains of a female corpse were found in Burgenland,Austria.Initial identification of the approximately 25–35-year-old female appeared impossible,but the case was reopened 23 years later.By apply...In 1993,the skeletal remains of a female corpse were found in Burgenland,Austria.Initial identification of the approximately 25–35-year-old female appeared impossible,but the case was reopened 23 years later.By applying biogeochemical isotope methods to her body tissues,the geographical origin of the unknown corpse could be predicted.The results of the C,N,S,H,Sr,and Pb isotope analyses suggested that the female did not originate from Europe and most likely spent her youth in the northern Caribbean.Using these findings,the police were able to identify the woman within 2 weeks.The female came from the Dominican Republic and resided in Austria for only a short period before she was murdered.This case shows that isotope biogeochemistry investigations can provide the police with crucial information that enables unknown persons to be identified.展开更多
The majority o f adult parasitoid wasps are unable to synthesize lipids and therefore face a trade-off between the investment of lipids in eggs or in the maintenance of soma.It has been shown that resource allocation ...The majority o f adult parasitoid wasps are unable to synthesize lipids and therefore face a trade-off between the investment of lipids in eggs or in the maintenance of soma.It has been shown that resource allocation should depend on body size in parasitoids.Given that smaller females have shorter expected life times,they should concentrate their reproductive effort into early life.To test this prediction,we investigated the relationship between body size and the timing of egg production in parasitoids.We measured body size,lipid reserves,and reproductive investment(number of eggs,ovigeny index equivalent[OIE]and egg size)at eclosion in five species of Asobara(Hymenoptera:Braconidae)originating from different geographic and climatic environments.Our results show significant interspecific variation in all these traits.A diagnostic test for phylogenetic independence revealed that closely related species did not resemble each other more closely than expected by chance for all traits measured.Lipid reserves scaled positively with body size both between and within species.In agreement with theory,01 correlated negatively with body size both between and within species.Total egg area at eclosion correlated negatively with lipid reserves both between and within species.This indicates the existence of a trade-off between allocation of lipids to current reproduction and survival/future reproduction.With the exception of the most extreme pro-ovigenic species,A.pers im ilis,we found that proovigeny was compensated for by small egg size.Our results indicate the role of habitats in shaping interspecific variation in resource allocation strategies.展开更多
Background Overgrazing was assumed to increase the population density of small mammals that are the intermediate hosts of Echinococcus multilocularis, the pathogen of alveolar echinococcosis in the Qinghai Tibet Plate...Background Overgrazing was assumed to increase the population density of small mammals that are the intermediate hosts of Echinococcus multilocularis, the pathogen of alveolar echinococcosis in the Qinghai Tibet Plateau. This research tested the hypothesis that overgrazing might promote Echinococcus multilocularis transmission through increasing populations of small mammal, intermediate hosts in Tibetan pastoral communities. Methods Grazing practices, small mammal indices and dog Echinococcus multilocularis infection data were collected to analyze the relation between overgrazing and Echinococcus multilocularis transmission using nonparametric tests and multiple stepwise logistic regression. Results In the investigated area, raising livestock was a key industry. The communal pastures existed and the available forage was deficient for grazing. Open (common) pastures were overgrazed and had higher burrow density of small mammals compared with neighboring fenced (private) pastures; this high overgrazing pressure on the open pastures measured by neighboring fenced area led to higher burrow density of small mammals in open pastures. The median burrow density of small mammals in open pastures was independently associated with nearby canine Echinococcus multilocularis infection (P=-0.003, OR=1.048). Conclusion Overgrazing may promote the transmission of Echinococcus multilocularis through increasing the population density of small mammals.展开更多
文摘Solenostemon rotundifolius is a species belonging to the Lamiaceae family. It is currently one of the minor plants of high socio-economic interest. One of the limitations to promoting this species in Burkina Faso is the lack of varieties that meet consumers’ demands. Implementing a breeding program is an important step toward achieving this goal. Such a program is based on the variability of agronomical traits of interest within evaluated germplasm. This study aimed to assess the level of two germplasms variability of S. rotundifolius from Ghana and Burkina Faso for traits related to vegetative development, cycle, and yield. Agromorphological characterization of 174 accessions, including 116 from Ghana and 58 from Burkina Faso was carried out in Randomised Complete Block Design with three replications. The characterization was made on the basis of fifteen (15) quantitative traits related to the canopy and leaf size, the cycle, and the yield. Analysis of variance revealed significant differences between accessions within each germplasm for all the evaluated traits. The analysis of the structuration of this agromorphological variability allowed organizing the accessions into different groups. These results could lead to the identification of accessions within each germplasm for breeding purposes or future research on genotype-environment interactions.
文摘Sea asparagus is a newly emerging seawater-irrigated vegetable. Firstly, the economic value of sea asparagus was introduced, and then, someexploiting approaches of sea asparagus werefully reviewed. The exploiting approaches mainly include fresh vegetable, pickle, bio-salt, health-care products, animal feed, vegetable oil, bio-diesel and skin-care products.
文摘The Gulf of Guinea region enjoined with the unique characteristics of the Guinea surface and underwater currents driving the upwelling season, besets the ecological importance of the area amidst growing offshore development. Though several attempts are being made to identify the various cetacean species inhabiting the area, little to no progress is made to under the animal population, their behaviour and distribution in the face of the growing threat. The study hence attempts to develop cetacean population and distribution estimation within Ghana’s offshore construction sites in the time frame of field development while emphasizing the effects of operations on animal behaviour and habitats, purpose at providing an understanding with the general behaviour of these mammals peculiar to the area and too what level the impact of change is having on distribution trends. The study finds the upwelling tends to suggest, strong animal presence in the area during feeding. Short-fin pilot whales were a dominant cetacean feature within the observed cetacean population estimated to have 160 (<em>CV</em> = <em>0.3728</em>) presence. Findings suggest the strong biological importance, BIA (habitat, feeding and breeding), as well as operations drawing on animal curiosity, heightened animal vulnerability. Further studies are required to understand the temporal and spatial distributions patterns, while efforts are needed to ensure protected areas are established, animal surveillance and conservative attitudes are encouraged.
文摘There are high expectations for Mobile Health to transform health into a sustainable and prevention-based system. Unfortunately it has not reached its scale of adoption many had hoped for, due to the existence of adoption barriers. More insight into these barriers fosters adoption of mHealth and the innovation it can bring to worldwide healthcare. This study investigates the main barriers in the adoption of mHealth, their underlying causes and their breakthrough possibilities. All the data are gathered from an international and multi-stakeholder point of view. First of all we tried to identify the main barriers by doing an international literature study. Second of all we asked Dutch mHealth Key Opinion Leaders (KOLs) to rank the barriers to importance. These KOLs were from different stakeholder groups;policy-makers, users and developers. At last we asked the KOLs in interviews for underlying causes and breakthrough opportunities of the barriers. Eventually twelve main adoption barriers emerged. According to literature and to the KOLs the most important barriers are “Integration and interoperability” and “Business case”. An underlying cause for the barrier “Integration and interoperability” might be the active closed power system of technology suppliers, which exists in the Netherlands. Furthermore there seems to be a difference in the importance of the barriers “Privacy and security” and “Conservative culture” when perceptions of Dutch KOLS and international literature are compared. Within the stakeholders-groups, the KOLs think differently about the importance of the barriers “Visionless development” and “Competing payment mechanism”. The Dutch healthcare insurers could take a more leading role in the fragmented landscape of mHealth in the Netherlands, by strategically funding new initiatives that use open standards and deliver better value for end-users. Other chances might lie in the international cooperation between countries to overcome certain barriers.
文摘Limited integration of contextual factors in maternal care contributes to slow progress towards achieving MDG5 in sub-Sahara Africa. In Ngorongoro, rural Tanzania, the maternal mortality ratio is high with 642 maternal deaths/100,000 live births. Skilled birth attendants (SBAs) assist only 7% of deliveries. This study, undertaken from 2009 to 2011, used Participatory Action Research involving local stakeholders (Maasai women and men, traditional birth attendants (TBAs), hospital staff) to examine reasons for low utilization of SBAs and moreover to develop proposals how to integrate contextual factors and local needs in the health care system. Interviews, observations and literature study were also conducted. Thaddeus and Maine’s Three Delays model is used to structure the analysis. Delaying factors in decision making at home: negative perceptions by the community on availability and quality of care in the hospital;discontinuity of care by TBAs;food and financial insecurity;desired nearness to cattle and family;limited recognition of maternal deaths;limited male health education and suboptimal birth preparedness. Delaying factors in reaching the hospital: vehicle and road limitations. Delaying factors in receiving hospital care: limited (human) resources and limited knowledge sharing at the hospital. Community members and health workers proposed: increasing food/financial security;tailoring male health education;combining TBA/SBA care to provide continuous, culturally appropriate labour support;creating separate maternity wards;increasing the number and training of staff;ensuring continuous availability of Emergency Obstetric Care. Applying solutions to increase hospital utilization seems complex as collaborative actions by multiple actors and institutions are needed to create both a needs based and clinically sound continuum of maternal care. To follow-up this process of integrating local solutions into the maternal care system, we suggest to adapt the WHO Strategic Approach—a top-down framework for the implementation of innovations—to fit this bottom-up approach.
基金Supported by the Joint Scientific Thematic Research Programme(JSTP)International Cooperation Program of the Ministry of Science and Technology of China(2011DFG23440)State Scholarship Fund of China Scholarship Council(CSC)
文摘The heavy rainfall in Beijing on 21 July 2012 was a high impact event. First, a synoptic overview of this event is presented based on the ECMWF reanalysis and forecast data, together with observations of hourly precipitation. It is found that an east to northeastward moving "low-level northwest vortex" caused this event. The vortex was formed under favorable circulation patterns and intensified by low-level dry intrusions. The source regions of the large volume of moisture necessary to sustain the intense rainfall are diagnosed by back-trajectory analysis. Approximately 77% of the moisture was transported from the Bay of Bengal (BOB). The transport processes, including vertical profiles, mean humidity variations, and relative importance of the rain-paths, are further quantified by the back-trajectory analysis and cluster analysis. The results highlight the importance of the southwestern path in transporting moisture to northern China, which accounts for 88.4% of the moisture from the BoB, and 68% of the total of the "7.21" heavy rainfall event.
基金supported by the Second Tibetan Plateau Scientific Expedition and Research(STEP)(grant no.2019QZKK0302)the National Key Research and Development Program(2016YFC0501802,2016YFC0501803)the National Natural Science Foundation of China(41671263,41730752).
文摘In 1993,the skeletal remains of a female corpse were found in Burgenland,Austria.Initial identification of the approximately 25–35-year-old female appeared impossible,but the case was reopened 23 years later.By applying biogeochemical isotope methods to her body tissues,the geographical origin of the unknown corpse could be predicted.The results of the C,N,S,H,Sr,and Pb isotope analyses suggested that the female did not originate from Europe and most likely spent her youth in the northern Caribbean.Using these findings,the police were able to identify the woman within 2 weeks.The female came from the Dominican Republic and resided in Austria for only a short period before she was murdered.This case shows that isotope biogeochemistry investigations can provide the police with crucial information that enables unknown persons to be identified.
文摘The majority o f adult parasitoid wasps are unable to synthesize lipids and therefore face a trade-off between the investment of lipids in eggs or in the maintenance of soma.It has been shown that resource allocation should depend on body size in parasitoids.Given that smaller females have shorter expected life times,they should concentrate their reproductive effort into early life.To test this prediction,we investigated the relationship between body size and the timing of egg production in parasitoids.We measured body size,lipid reserves,and reproductive investment(number of eggs,ovigeny index equivalent[OIE]and egg size)at eclosion in five species of Asobara(Hymenoptera:Braconidae)originating from different geographic and climatic environments.Our results show significant interspecific variation in all these traits.A diagnostic test for phylogenetic independence revealed that closely related species did not resemble each other more closely than expected by chance for all traits measured.Lipid reserves scaled positively with body size both between and within species.In agreement with theory,01 correlated negatively with body size both between and within species.Total egg area at eclosion correlated negatively with lipid reserves both between and within species.This indicates the existence of a trade-off between allocation of lipids to current reproduction and survival/future reproduction.With the exception of the most extreme pro-ovigenic species,A.pers im ilis,we found that proovigeny was compensated for by small egg size.Our results indicate the role of habitats in shaping interspecific variation in resource allocation strategies.
基金the Health Department of Sichuan Province the Ecology of Infectious Diseases Program from USA National Institutes of Health (No. 1565)the French Embassy in Beijing
文摘Background Overgrazing was assumed to increase the population density of small mammals that are the intermediate hosts of Echinococcus multilocularis, the pathogen of alveolar echinococcosis in the Qinghai Tibet Plateau. This research tested the hypothesis that overgrazing might promote Echinococcus multilocularis transmission through increasing populations of small mammal, intermediate hosts in Tibetan pastoral communities. Methods Grazing practices, small mammal indices and dog Echinococcus multilocularis infection data were collected to analyze the relation between overgrazing and Echinococcus multilocularis transmission using nonparametric tests and multiple stepwise logistic regression. Results In the investigated area, raising livestock was a key industry. The communal pastures existed and the available forage was deficient for grazing. Open (common) pastures were overgrazed and had higher burrow density of small mammals compared with neighboring fenced (private) pastures; this high overgrazing pressure on the open pastures measured by neighboring fenced area led to higher burrow density of small mammals in open pastures. The median burrow density of small mammals in open pastures was independently associated with nearby canine Echinococcus multilocularis infection (P=-0.003, OR=1.048). Conclusion Overgrazing may promote the transmission of Echinococcus multilocularis through increasing the population density of small mammals.