نتایج جستجو برای: recreation complexes
تعداد نتایج: 143193 فیلتر نتایج به سال:
this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...
in this research, first was identified suitable regions (considering ecological indexes) for intensive and extensive outdoor recreation and their various degrees using the usual tourism ecological model and applying gis. results showed that 297.223 hectares of park area have class 1 of extensive outdoor recreation potential, 86.465223 hectares class 2 of extensive outdoor recreation potential, ...
The significance of four attributes of outdoor recreation relative to a consideration of urban redevelopment forms the focus of this paper. Data on the public's desires for specific recreational facility qualities and activities and the socio-economic characteristics of households are used to develop implications for urban redevelopment policy. Some effects of household income level, car availa...
The promotion of recreation and tourism has been both praised and criticized as a rural development strategy. This study uses regression analysis to assess the effect of recreation and tourism development on socioeconomic conditions in rural recreation counties. The findings imply that recreation and tourism development contributes to rural well-being, increasing local employment, wage levels, ...
Latinos are the largest U.S. non-mainstreamed ethnic group, and social and environmental justice considerations dictate recreation professionals and researchers meet their recreation needs. This study reconceptualizes this diverse group’s recreation patterns, looking at where immigrant Latino individuals in Cache Valley, Utah do recreate rather than where they do not. Through qualitative interv...
BACKGROUND Wastewater-impacted waters that do not support swimming are often used for boating, canoeing, fishing, kayaking, and rowing. Little is known about the health risks of these limited-contact water recreation activities. OBJECTIVES We evaluated the incidence of illness, severity of illness, associations between water exposure and illness, and risk of illness attributable to limited-co...
PURPOSE This study examined factors related to two sources of physical activity for youth: active use of recreation sites and active transport to recreation sites. METHODS Parents of children (n = 87) and matched pairs of parents and adolescents (n = 124 pairs) in three US cities reported on youths' active use of, proximity to, and walking/biking to 12 recreation sites and on neighborhood wal...
Parks and protected area managers use zoning to decrease interpersonal conflict between recreationists. Zoning, or segregation, of recreation-often by non-motorized and motorized activity-is designed to limit physical interaction while providing recreation opportunities to both groups. This article investigated the effectiveness of zoning to reduce recreation conflict in the Vail Pass Winter Re...
This paper provides a framework for addressing recreation as an example of Cultural Ecosystem Services and a methodology to support landscape management based on recreation activities at a regional scale. A GIS-based approach was used to estimate and map ecological and social factors illustrating recreation supply and demand in the Basque Country (northern Spain). The proposed methodology for r...
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