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Iskalni niz: "ključne besede" (forestry) .

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Social context as a pillar of sustainable forest management - a Slovenian case
Nevenka Bogataj, 2009

Povzetek: Social context as more or less neglected field of sustainable development is crucial for the implementation of forest management measures. We can consider it as a basis to cope with (changing) structure characteristics. Realisation of public services, which we face when coping with economic crisis, might take this into consideration. The Forest Service network serves as a scanner of needs in their social context. It is also a respondent to local specifics in the form of forest management measures. Evidence of research on the social research in Slovenian forestry is weak, although not non-existent. We tested asystem approach, a structuring method of general public. Segmentation, a method presented, is generally known in marketing and has not been used in Slovenian forestry up to now. The two-step clustering analysis of quantitative data gathered with an inquiry of study circles (form of community learning) was used and is described herewith. The results show three general value based segments of study circle participants. The role of Slovenian foresty is changing and is not independent of its dynamic and colourful social contexts, Recognition of the society structure and dynamics may contribute to the rationalisation of organisational models during the crisis period. Hoewer, grounded actualisation of recent organisational models is possible only by considering priorities of the society's segments. We conclude with suggestion for more R&D engagement in the social pillar of multifunctional forest management, in particular as the Slovenian social context is defined by dominance of private property and forest owners' ageing, which are far from being analysed and responded to.
Ključne besede: forestry, sustainable development, structure of society, segmentation, information flow, knowledge flow
DiRROS - Objavljeno: 12.07.2017; Ogledov: 1391; Prenosov: 344
URL Celotno besedilo (0,00 KB)
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Measuring the limits of uphill timber skidding with a WOODY 110 forestry tractor
Boštjan Košir, Jurij Marenče, 2007

Povzetek: The paper deals with the test results of uphill skidding of wood with a WOODY 110 cable skidder. The aim of the study was to find the limits of uphill skidding in relation to load size, log orientation and the slope. The trial was prepared on a test track of concave shape in the forest and with pre-designed loads of different sizes. The loads were skidded uphill once withbutt-end and then with top-end forward, until the tractor stopped because of the slope. The results show that butt-end forward skidding is more efficient. The difference between maximum loads at specific maximum slopes is almost constant (0.53 t). Proper load formation (butt-end forward if possible)is more important when skidding on steeper slopes.
Ključne besede: forestry, tractor, skiiding, maximum slope, maximum load
DiRROS - Objavljeno: 12.07.2017; Ogledov: 1209; Prenosov: 319
URL Celotno besedilo (0,00 KB)
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O rastnih funkcijah
Anton Cedilnik, 1979

Povzetek: Članek ima namen z matematičnega stališča osvetliti lastnosti funkcij, ki jih gozdarji, agronomi in biologi uporabljajo za opis rasti nekaterih količin, kot višinska, debelinska, prostorninska rast dreves v odvisnosti od časa in podobno. Navadno uporabljajo za ponazoritev teh procesov elementarne, odsekoma analitične funkcije, ker na takih lahko uporabimo metode aproksimacije eksperimentalnih podatkov. Vendar take funkcije le grobo kažejo dejanska dogajanja v majhnih intervalih neodvisne spremenljivke. Zato bi bilo treba postaviti trdnejše temelje in kriterije za določevanje tipov funkcij, ki bi bile primerne za opisovanje katerih koli pojavov te vrste. Ta študija je poskus v tej smeri.
Ključne besede: matematika, gozdarstvo, rastna funkcija, biološka rast, karakteristična funkcija, subjektivni čas, rast drevesa, mathematics, forestry, growth function, biological growth, characteristic function, subjective time, growth of a tree
DiRROS - Objavljeno: 12.07.2017; Ogledov: 1315; Prenosov: 284
URL Celotno besedilo (0,00 KB)
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Prodanova rastna funkcija
Anton Cedilnik, 1983

Povzetek: V sestavku so zbrane formule o rastni funkciji ▫$y=x^2/(a+bx+cx^2)$▫ pri poljubni izbiri koeficientov ▫$a,b,c$▫. Dodanih je nekaj napotkov za prilagajanje te funkcije numeričnim podatkom.
Ključne besede: matematika, gozdarstvo, Michail Prodan, rastna funkcija, aproksimacija, mathematics, forestry, Michail Prodan, growth function, approximation
DiRROS - Objavljeno: 12.07.2017; Ogledov: 1327; Prenosov: 286
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Ekstremne korelacije
Anton Cedilnik, 1991

Povzetek: In the article we define a quantity which measures the quality of the approximation of a function, given by a table, with a function from a certain family D of nonconstant functions. For this purpose one has to find the infimum and the supremum of the set of correlation coefficients between the given function and functions from D.We do this for the family of all nonconstant functions and for the family of growth functions.
Ključne besede: mathematics, approximations, mathematical programming, forestry, extremal correlation, nonlinear programming
DiRROS - Objavljeno: 12.07.2017; Ogledov: 1342; Prenosov: 295
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A synthesis of the characteristics of current national, regional and international forestry journals
Maja Peteh, 2020

Povzetek: One of the main objectives of the International Union of Forest Research Organization%s WP 9.01.06 (Forest Science Publishing) is to clarify the range of forestry-related journals in the context of the overall objective of supporting authors and readers to deepen their knowledge of forestry. This study extended an earlier list of forestry journals using the ISSN database and the CAB abstracts. The study included 451 journal titles, each categorized by ISSN, publisher, language of publication, website, and geographical coverage (i.e. national, regional, international, or three mixed intermediate categories), as well as information on indexing in Web of Science, Scopus, DOAJ, and SherpaRomeo. The included journals are published in 61 countries and in 32 different languages. Those categorized as international are mostly published in English. 21.7% of the journals are indexed in Web of Science and 34.1% in Scopus. 95.6% of the titles are published online or in the print+online publishing model, but only 57.0% of the titles are published in Open Access, of which only 33.7% are indexed in DOAJ.
Ključne besede: forestry, geographical coverage, journal title list, scientific publishing
DiRROS - Objavljeno: 13.07.2020; Ogledov: 109; Prenosov: 53
URL Celotno besedilo (0,00 KB)

Three decades of urban forest and green space research and practice in Croatia and Slovenia
Silvija Krajter Ostoić, Dijana Vuletić, Špela Planinšek, Urša Vilhar, Anže Japelj, 2020

Povzetek: Background and Objectives: Urban forests and green space contribute to human wellbeing. Green infrastructure is recognized by the European Union as a planning tool that contributes to the implementation of many public policies, with urban forests and green space as its main building blocks. Croatia and Slovenia are young democracies and recent members of the European Union. Hence, they also need to contribute to the implementation of those policies. Previous review studies on urban forests and green space rarely addressed scientific or professional publications in those countries. Furthermore, the body of knowledge about urban forest and green space research and practice in post-socialist countries is still rather weak. The goal of the paper is (a) to show that urban forest and green space research and practice is much stronger in these countries than it is possible to assume based only on previous review papers or only by searching Scopus andWeb of Science, and (b) to describe publications written by scientists and professionals in the past 30 years. Materials and Methods: We used a trilingual systematic literature review to identify scientific and grey literature in various databases, as well as a snowballing technique, and yielded 211 publications in Croatia and 84 in Slovenia. Results: We identified many more publications on urban forests and green space science and practice in Croatia and Slovenia than it was possible to assume based only on previous review papers and when searching solely publications in English. Croatian authors showed continuity over time in terms of number of publications, while Slovenian publications have been on the rise in the past decade. In both countries, scientific papers were most frequent, and the vast majority of studies addressed capital cities. Croatian publications mainly focused on parks and park-forests, while Slovenian publications focused on urban forests. Interestingly, Croatian authors were a%liated with over 60 organizations, and in comparison to Slovenian authors, have stronger preference towards publishing in their local language. Green space planning and design followed by resource inventory were the most frequent themes. The least addressed themes in both countries were resource management, economic aspects, policy, legislation or governance. Conclusions: Important discussion in the future, especially in Croatia, would be regulation of urban forestry as a profession. Cross-sectoral and interdisciplinary studies, as well as focusing on cities other than capitals in future, can help in addressing issues such as climate change or application of participatory approaches.
Ključne besede: urban forests, urban forestry, green space, post-socialist countries, grey literature
DiRROS - Objavljeno: 26.05.2020; Ogledov: 196; Prenosov: 149
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