نتایج جستجو برای: 86465223 hectares class 2 of extensive outdoor recreation potential

تعداد نتایج: 21541226  

Journal: :Journal of Leisure Research 1995

2014
Thiemen Boll Christina von Haaren Eick von Ruschkowski Christopher A. Lepczyk

In the wake of urbanisation processes and the constitution of metropolitan regions, the role of the city's rural surroundings is receiving more attention from researchers and planners as rural areas offer various (cultural) ecosystem services for the urban population. Urban dwellers increasingly desire recreation and landscape experience. Although this need for recreation is generally recognize...

2005
David N. Cole

17 Computer simulation models can be usefully applied to many different outdoor recreation situations. Model outputs can also be used for a wide variety of planning and management purposes. The intent of this chapter is to use a collection of 12 case studies to illustrate how simulation models have been used in a wide range of recreation situations and for diverse planning and management applic...

2010
Thomas P. Holmes Jeffrey E. Englin

on public land is not new—motorcycles have been used off-road for nearly a century (Havlick 2002).1 However, the growth in popularity of OHV use is primarily due to the introduction of all-terrain vehicles (ATVs), which began gaining popularity after being introduced in 1983, and ATV riding has become one of the fastest growing outdoor recreation activities in the country.2 Between 1982 and 200...

Journal: :Environmental Modelling and Software 1998
Aaron J. Douglas Jonathan G. Taylor

This paper discusses the empirical and theoretical underpinnings of the travel cost method (TCM) for estimating nonmarket benefits at an outdoor recreation site. The conventional TCM model is simple to use and provides results that are easy to interpret. However, it does not describe the actual behavior of recreationists as they purchase goods and services for the purpose of making trips to an ...

Journal: :international journal of environmental research 0

being very dynamic, natural and artificial land features are changing somewhat rapidly in over lifetime. it is important that such changes be inventoried accurately so that the physical and human processes at work can be more fully understood. change detection is a technique used in remote sensing to determine the changes in a particular object of study between two or more time periods. this re...

Journal: :مرتع و آبخیزداری 0
طیبه مصباح زاده دانشجوی دکتری بیابانزایی، دانشکده منابع طبیعی،دانشگاه تهران ،ایران حسن احمدی استاد گروه احیای مناطق خشک وکوهستانی ، دانشکده منابع طبیعی،دانشگاه تهران ،ایران غلامرضا زهتابیان استاد گروه احیای مناطق خشک وکوهستانی ، دانشکده منابع طبیعی،دانشگاه تهران ،ایران فریدون سرمدیان استادیار گروه مهندسی آب وخاک، دانشکده مهندسی آ ب وخاک، دانشگاه تهران ،ایران

investigation and preparing of wind erosion intensity maps are the main objectives of this research. in this research, the working unit map was prepared and then nine effective factors in wind erosion according to irifr.e.a model are determined at each of seven homogeneous units. according to the results, active sand dunes and landuse change showed the highest value with the rate of annual sedi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان 1390

the space now known as complete erdos space ec was introduced by paul erdos in 1940 as the closed subspace of the hilbert space ?2 consisting of all vectors such that every coordinate is in the convergent sequence {0} ? { 1 n : n ? n}. in a solution to a problem posed by lex g. oversteegen we present simple and useful topological characterizations of ec. as an application we determine the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1392

abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...

Journal: :Tourism and recreation 2022

Researches made in the field of recreation recent years show that participation paragliding activities is increasing each passing day. By virtue paragliding, both participants and destinations obtain very important material spiritual gains. The purpose this research to reveal potential which an outdoor activity, Konya direction statements by (instructor, pilot, customer) who are actively intere...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید