نتایج جستجو برای: recreation complexes
تعداد نتایج: 143193 فیلتر نتایج به سال:
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...
Recreation has come to be an accepted function of local government. It is, to be sure, a comparatively new function. Within the memory of most of us, cities gave no attention whatsoever to the establishment of publicly owned recreation facilities for their citizens, with the exception, however, that parks have had a place in city planning and operations for ages. Parks, however, were justified ...
This paper deals with the field integrated geo-environmental research of lake Dus-Khol in summer 2021. Under leadership Tuvan Scientific Center context project to identify maximum permissible and optimal recreation load on specially protected natural area study collected updated data number visitors condition coastal ecosystem health. Lake is located Tandinsky kozhuun Republic Tuva, 3 km away f...
abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...
abstract the influence of cation?? and anion?? interactions on the strength and nature of n…h hydrogen bond has been investigated by quantum chemical calculations in s-triazine…3hf complex. ab initio calculations were performed at mp2/6-311++g(d,p) level of theory. the natural bond orbital (nbo) analysis and the bader’s quantum theory of atoms in molecules (aim) were also used to elucidate t...
Managed forests are increasingly being used for recreation. As a result, foresters may be expected to tailor silvicultural treatments to accommodate specific recreation preferences. To better understand changes in hiking and camping quality in the years following a harvest, six sites on the Oregon State University's research forest were evaluated annually for 11 years. Multiple comparison and r...
aminocarboxylic acids, such as 2-aminobenzoic acid, react easily with [ir(cod)(pme3)3]cl, (cod=1,5-cyclooctadiene), in thf to produce hydridoaminocarboxylato iridium(iii) complexes in high yields. these octahedral complexes are formed via oxidative addition reaction of the o-h bond of the carboxylic group with the central metal. the starting iridium(i) complex losses the cod molecule, the chlor...
Outdoor recreation is typically assumed to be compatible with biodiversity conservation and is permitted in most protected areas worldwide. However, increasing numbers of studies are discovering negative effects of recreation on animals. We conducted a systematic review of the scientific literature and analyzed 274 articles on the effects of non-consumptive recreation on animals, across all geo...
Brooks, David J.; Haynes, Richard W. 2001. Recreation and tourism in South Central Alaska: synthesis of recent trends and prospects. General Technical Report GTR-PNW-XXX. Portland, OR. U.S. Department of Agriculture, Forest Service. XX p. Tourism has been the fastest-growing component of Alaska's economy for the past decade and is an important export sector for the regional economy. Opportuniti...
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