Silvicultural itineraries and sustainability of soils
نویسندگان
چکیده
منابع مشابه
morphology, geochemistry, mineralogy, and micromorphology of soils of hormozgan province in relation to parent materials
ویژگی های زمین شیمیایی، کانی شناسی، و میکرومورفولوژیکی خاک ها و سنگ مادر مربوطه در منطقه بین بخش های جنوبی زاگرس و خلیج فارس تا دریای عمان(استان هرمزگان، ایران) مورد بررسی قرار گرفت. هدف های این مطالعه شناسایی تغییرات در خصوصیات فیزیکی، شیمیایی، و ترکیب کانی شناسی خاک، مطالعه میکرومورفولوژی و تکامل خاک، و بررسی توزیع عنصر خاک بر اساس هوازدگی، پروسه های خاک و زمین شناسی جهت توصیف اثرات مواد مادر...
15 صفحه اولEcological Bases for Silvicultural Prescriptions
Preparation of s i lvicul tural prescriptions i s a complex process in lodgepole pine ecosystems. Ecological factors and management decisions must be considered. The presence or absence of dwarf mistletoe in a stand i s one ecological factor that must be considered. Control of dwarf mistletoe i s possible through application of sound s i 1 vicul tural principles.
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In this paper, we present a system for the generation of cultural itineraries that exploits conversational agents to implicitly build formal user profiles. The key idea is that the preferences for user profiling are not obtained in a direct way, but acquired during a natural language conversation of the tourists with the system. When the user profile is ready, it becomes the input for the gener...
متن کاملAlternative silvicultural systems
Mitchell, J.L. 2000. Alternative silvicultural systems: harvesting logistics and costs. In Proceedings, From science to management and back: a science forum for southern interior ecosystems of British Columbia. C. Hollstedt, K. Sutherland, and T. Innes (editors). Southern Interior Forest Extension and Research Partnership, Kamloops, B.C., pp. 97–100. Alternative silvicultural systems: Harvestin...
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THOUGH budding and grafting have been long used by horticulturists a a means of reproducing genetically complex or sterile clones superior for their fruit or ornamental value, little consideration has been given to these techniques by foresters as a means of improving the unit value of forest stands. Forest geneticists in Denmark and Sweden have, however, sensed the practical value of these tec...
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ژورنال
عنوان ژورنال: Revue Forestière Française
سال: 2014
ISSN: 1951-6827,0035-2829
DOI: 10.4267/2042/56271