نتایج جستجو برای: recreation complexes

تعداد نتایج: 143193  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

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...

Journal: :Scientific Notes of Taurida National V.I. Vernadsky University. Series: Economy and Management 2019

Journal: :آمایش سرزمین 0
سعیده اسکندری . دانشجوی دکتری جنگل داری، دانشکده منابع طبیعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری جعفر اولادی . استادیار گروه جنگل داری، دانشکده منابع طبیعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری علی یخکشی استاد تمام مدیریت و سیاست منابع طبیعی. مشاور سازمان حفاظت محیط زیست

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, ...

2017
RICHARD V. SMITH

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...

2005
Richard J. Reeder Dennis M. Brown

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, ...

2017
Jodie Madsen Claudia Radel Joanna Endter-Wada

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...

2012
Samuel Dorevitch Preethi Pratap Meredith Wroblewski Daniel O. Hryhorczuk Hong Li Li C. Liu Peter A. Scheff

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...

Journal: :Medicine and science in sports and exercise 2008
Helene Mollie Grow Brian E Saelens Jacqueline Kerr Nefertiti H Durant Gregory J Norman James F Sallis

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...

Journal: :Environmental management 2017
Aubrey D Miller Jerry J Vaske John R Squires Lucretia E Olson Elizabeth K Roberts

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...

2015
Lorena Peña Izaskun Casado-Arzuaga Miren Onaindia

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...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید