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61.
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Mari Egawa Kentaro Aoki Yongkun Sun Toshiyuki Hosokawa Takeshi Saito Masaaki Kurasaki 《Journal of environmental science and health. Part. B》2013,48(3):196-204
Alkyl esters of p-hydroxybenzoic acids (parabens), an endocrine disrupter, are used as preservatives in cosmetics and foods. In this study, to understand the relationship between parabens and differentiation in infants, the effects of parabens on apoptosis induced by serum deprivation in PC12 cells were investigated. In addition, apoptosis-related factors were assayed. As results, a tendency toward enhancement of apoptosis was observed in the cells cultured in the serum-free medium with methylparaben, and this tendency was suggested to be related to the contents of BAD, a pro-apoptotic protein. Butylparaben did not show any tendency to enhance apoptosis. 相似文献
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Xu Xiaoqian Mola-Yudego Blas Selkimäki Mari Zhang Xiaoning Qu Mei 《Environmental science and pollution research international》2023,30(4):9011-9021
Environmental Science and Pollution Research - The treatment of agricultural waste plays an important role in the sustainability of agricultural production and the well-being of rural communities.... 相似文献
65.
Sediment-dwelling macrofauna, polycyclic aromatic hydrocarbons (PAH), and abiotic parameters were monitored annually in benthic marine sediments from 1989-2007 in Port Valdez, a period of declining routine discharge of treated marine ballast water containing residual PAH from a major crude oil loading facility. The resulting dataset was used to evaluate associations between macrofauna and environmental characteristics including PAH concentrations. The influences of natural abiotic gradients on macrofauna were stronger than associations between macrofauna and sediment PAH. Though overall associations of PAH with macrofaunal community structure were weak, effects were greater for the tube-dwelling polychaete worms Galathowenia oculata and Melinna cristata which responded negatively to low PAH values near sediment quality criteria (threshold effects concentration: TEC and field-based sediment quality criterion: fb-SQG: ~300 ng g(?-1)). Effects of PAH on benthic fauna may be strongest through poor survival of juveniles and failed recruitment over multiple years. Comparison of measured PAH concentrations to the TEC and field-based fb-SQG suggest that the observed levels of change in Port Valdez are minor and the criteria are ecologically appropriate for environmental monitoring. By demonstrating positive responses of sensitive fauna to reduction of PAH concentration, this study contributes to understanding the temporal change, ecological importance, and size of effects expected on benthic fauna in the presence of continuous exposure to low levels of hydrocarbons. 相似文献
66.
Ka‐Man Lai Claudia Ramirez Weilong Liu Darina Kirilova David Vick Joe Mari Rachel Smith Ho‐Yin Lam Afshin Ostovari Akifumi Shibakawa Yang Liu Sidharth Samant Lucky Osaro 《Disasters》2015,39(4):648-664
By interpreting disasters as opportunities to initiate the fulfilment of development needs, realise the vulnerability of the affected community and environment, and extend the legacy of relief funds and effort, this paper builds upon the concept linking relief, rehabilitation and development (LRRD) in the sanitation sector. It aims to use a composite of case studies to devise a framework for a semi‐hypothetical scenario to identify critical components and generic processes for a LRRD action plan. The scenario is based on a latrine wetland sanitation system in a Muslim community. Several sub‐frameworks are developed: (i) latrine design; (ii) assessment of human waste treatment; (iii) connective sanitation promotion strategy; and (iv) ecological systems and environmental services for sanitation and development. This scenario illustrates the complex issues involved in LRRD in sanitation work and provides technical notes and references for a legacy plan for disaster relief and development. 相似文献
67.
Correlates of copulatory success in a fallow deer lek 总被引:1,自引:0,他引:1
Marco Apollonio Marco Festa-Bianchet Franco Mari 《Behavioral ecology and sociobiology》1989,25(2):89-97
Summary We studied the behavior and copulatory success of fallow deer (Cervus dama) males at a lek. We recorded 471 copulations in 3 years. Most males did not copulate. The top three males accounted for between 60 and 90% of copulations each year. Lek attendance time was the major determinant of male copulatory success, but territory location also affected the number of copulations achieved. Copulatory success was correlated with the number of females in a male's territory and possibly with dominance status, but not with fighting success or fighting rate. All males that defended lek territories were 5 years of age or older. Copulatory success may improve with age. Body condition appears to be an important determinant of male copulatory success, because only males in superior condition could defend a lek territory for up to 2 weeks. Males do not feed while defending lek territories. Foraging ability during the year probably determines condition at the onset of the rut. Females appear to choose mates at least partially on the basis of location, preferring males located near traditional routes. Females may ultimately select mates in the best body condition. 相似文献
68.
Luis Cardona Mónica Revelles Mari Luz Parga Jesús Tomás Alex Aguilar Ferran Alegre Antonio Raga Xavier Ferrer 《Marine Biology》2009,156(12):2621-2630
Previous studies of loggerhead sea turtles have concluded that drifting longlines were the main threat for immature specimens
in the western Mediterranean, because immature loggerhead sea turtles mainly inhabit oceanic waters. However, recent aerial
surveys have revealed large numbers of immature loggerhead sea turtles over the continental shelf of eastern mainland Spain,
where turtles are exposed to neritic fishing gears but not to drifting longlines. We satellite-tracked seven loggerhead sea
turtles (minimum straight carapace length (SCLmin) range: 36.5–55.0 cm) to assess whether the turtles in this region are vagrants
from the adjoining oceanic regions or whether these loggerheads mostly inhabit the continental shelf. Satellite-tracking revealed
that six of the tagged turtles avoided the oceanic realm and made extended use of the continental shelf, whereas only one
individual could be considered a true vagrant as it avoided the continental shelf and primarily used the oceanic habitat.
These results are in sharp contrast with those previously reported for immature loggerhead sea turtles of similar size from
the south-western Mediterranean and fit well a relaxed ontogenic model that was recently proposed for loggerhead sea turtles
in the central Mediterranean. Furthermore, these results demonstrate the vulnerability of loggerhead sea turtles of eastern
mainland Spain to neritic fishing gears, as three of the seven turtles died and one was bycaught incidentally while being
tracked over the continental shelf. 相似文献
69.
Otero Pastor I Casermeiro Martínez MA Ezquerra Canalejoa A Esparcia Mariño P 《Journal of environmental management》2007,85(1):204-214
Landscape evaluation is now widely recognised as a powerful, interdisciplinary, environmental research method. The aim of the present work was to compare two landscape evaluation methods as part of a physical planning process: the cartographic assessment method and the in situ assessment method. This comparison was performed using an area of the Montes de Toledo, in the centre of Spain. Both methods provided similar results for the majority of the landscape units studied. This shows that the cartographic method can be successfully used in landscape evaluation, allowing important savings in terms of fieldwork. However, this is only the case when the information provided by the available maps is sufficiently accurate to allow the correct assignment of coefficients by a panel of experts. 相似文献
70.