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Artykuły w czasopismach na temat "Forêts – Productivité"
Wadsworth, Frank H., Brynne Bryan i Julio C. Figueroa-Colón. "La productivité potentielle des forêts tropicales surexploitées mérite une évaluation, Puerto Rico". BOIS & FORETS DES TROPIQUES 305, nr 305 (1.09.2010): 33. http://dx.doi.org/10.19182/bft2010.305.a20436.
Pełny tekst źródłaPIGNARD (Gérôme). "Evolution récente des forêts françaises : surface, volume sur pied, productivité." Revue Forestière Française, sp (2000): 27. http://dx.doi.org/10.4267/2042/5404.
Pełny tekst źródłaDHÔTE (Jean-François), BERGÈS (Laurent) i DUPOUEY (Jean-Luc). "Modifications à long terme, déjà constatées, de la productivité des forêts françaises." Revue Forestière Française, sp (2000): 37. http://dx.doi.org/10.4267/2042/5405.
Pełny tekst źródłaLANDMANN (Guy). "Les Changements de productivité forestière, le dépérissement des forêts et la presse : radioscopie d'un événement médiatique." Revue Forestière Française, nr 3 (2002): 215. http://dx.doi.org/10.4267/2042/4914.
Pełny tekst źródłaOuédraogo, Issaka, Blandine Marie Ivette Nacoulma, Oumarou Ouédraogo, Karen Hahn i Adjima Thiombiano. "Productivité et valeur économique des calices de Bombax costatum Pellegr. & Vuillet en zone soudanienne du Burkina Faso". BOIS & FORETS DES TROPIQUES 319, nr 319 (1.01.2014): 31. http://dx.doi.org/10.19182/bft2014.319.a20550.
Pełny tekst źródłaSamandoulgou, Yahaya, Halidou Compaore, Sibiri Jean Zoundi i Yvette Chantal Zoungrana-Kabore. "Evaluation de la productivité des herbacées fourragères des forêts sacrées de Koupéla dans le Centre Ouest du Burkina Faso". International Journal of Biological and Chemical Sciences 13, nr 1 (22.05.2019): 99. http://dx.doi.org/10.4314/ijbcs.v13i1.9.
Pełny tekst źródłaJadán, Oswaldo, Miguel Cifuentes, Bolier Torres, Daniela Selesi, Dario Veintimilla i Sven Günter. "INFLUENCE OF TREE COVER ON DIVERSITY, CARBON SEQUESTRATION AND PRODUCTIVITY OF COCOA SYSTEMS IN THE ECUADORIAN AMAZON". BOIS & FORETS DES TROPIQUES 325, nr 325 (17.07.2015): 35. http://dx.doi.org/10.19182/bft2015.325.a31271.
Pełny tekst źródłaAoudji, Augustin Kossi N., Armand Sèdami Igor Yévidé, Jean Cossi Ganglo, Gilbert Atindogbé, Mireille S. Toyi, Charles De Cannière, Anasthase Hessou Azontonde, Victor Adjakidjè, Bruno De Foucault i Brice A. Sinsin. "Structural characteristics and forest sites indentification in Pahou forest reserve, South-Benin". BOIS & FORETS DES TROPIQUES 308, nr 308 (1.06.2011): 47. http://dx.doi.org/10.19182/bft2011.308.a20473.
Pełny tekst źródłaHorisberger, Denis, i Micheline Meylan. "Productivité et exploitabilité des forêts du canton de Vaud: vers plus de réalisme | Productivity and levels of exploitation of the forests in canton Vaud: a step towards more realism". Schweizerische Zeitschrift fur Forstwesen 160, s1 (1.12.2009): s54—s64. http://dx.doi.org/10.3188/szf.2009.s0054.
Pełny tekst źródłaMontagnini, Florencia, Muhammad Ibrahim i Enrique Murgueitio Restrepo. "Systèmes silvopastoraux et atténuation du changement climatique en Amérique latine". BOIS & FORETS DES TROPIQUES 316, nr 316 (1.06.2013): 3. http://dx.doi.org/10.19182/bft2013.316.a20528.
Pełny tekst źródłaRozprawy doktorskie na temat "Forêts – Productivité"
Chaste, Émeline. "Risques passés et futurs de feux de forêts et leurs incidences sur la résilience de la forêt boréale de l’Est Canadien". Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEP047/document.
Pełny tekst źródłaChanges in forest composition and structure are projected in response to the future climate likely more conducive to fire and water stress. A decrease in carbon and biomass stocks could significantly affect the forest industry and global warming by high carbon emissions during fires. However, despite its ecological and socio-economic importance, the future of the forest is uncertain because the impacts of climate change on ecosystem processes and standing biomass are still poorly understood. The primary objective is therefore to assess the potential effects of climate change on vegetation dynamics and fires, and to characterize their joint effects on the resilience of eastern Canada's boreal forest on both sides of the northern limit of managed forests (NLMF). Simulations were carried out with the LPJ-LMfire dynamic global vegetation model and focused on three specific objectives: (1) to reconstruct fire activity during the 20th century and analyze changes in spatial and temporal fire trends related to vegetation and climate, (2) to analyze the forest response projection to climate change and to fire increase to assess if abrupt changes in biomass of dominant species could occur, (3) to simulate trajectories of past fires and vegetation in response to Holocene climatic variations to understand the relationship between climate, fire and vegetation. For the first time, simulations are performed on the eastern boreal forest with LPJ-LMfire over 6000 years and at high spatial resolution (100 km 2) over a study area stretching west to east, from Manitoba to Newfoundland. The plant functional types for the four dominant tree genera (Picea, Abies, Pinus, Populus) have been parameterized. The predictive capabilities of the model were tested over the 20th century by comparing simulated annual rates of combustion and biomass with independent observations. The same variables, simulated over the past 6,000 years, have been compared to paleoecological reconstructions from lacustrine records of microcharcoals and pollen. Finally, the present version of LPJ-LMfire has been used with IPCC climate scenarios to analyze trajectories along the 21st century. The results show that LPJ-LMfire correctly reproduces the spatio-temporal trends in fire frequency observed in the 20th century, particularly in Manitoba and Ontario. The simulated spatial distribution of plant biomass is also consistent with observations, except at the northern limit of trees where it is overestimated, especially for Picea. The trajectories of simulated fires and vegetation over the last 6,000 years were spatially shifted compared to paleoecological reconstructions: too far south in the west and too far north in the east. The observed difference would be due to the IPSL-CM5A-LR climate data provided as input of LPJ-LMfire. Climate variability and lightning impacts are the determining factors in the distribution of fire frequency during the 20th century, while vegetation feedbacks on fires control the distribution of their frequency over long time scales. Our results contradict the predicted increase in future fire risk, suggesting a decrease in fire frequency by 2100, especially in the south, associated with an increase in the proportion of deciduous taxa and an opening of landscapes that should limit ignition and spread of fires. The frequency and intensity of droughts induced by climate change are expected to increase and favor tree mortality south of the NLMF. Rising temperatures and atmospheric CO2 will only temporarily increase forest productivity. By 2100, declining biomass stocks and increasing broadleaf proportion south of the NLMF could threaten the economy of the forest sector. Silvicultural practices that preserve productivity and boreal forest resilience are therefore recommended to maintain sustainable forest management
Rapanoela, Rija Herman. "Influence de la variation spatio-temporelle de la fréquence des feux sur la productivité forestière actuelle et future". Doctoral thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27797.
Pełny tekst źródłaToïgo, Maude. "Productivité des forêts mélangées : effet de la diversité en essences dans un contexte climatique et édaphique variable". Thesis, Orléans, 2015. http://www.theses.fr/2015ORLE2018.
Pełny tekst źródłaGlobal environmental changes may lead to a modification of abiotic factors and biological diversity. The production function in forest ecosystems has the particularity to be both subjected to, and a regulator of, these environmental changes. Understanding how forest productivity is driven by species diversity and environmental factors is therefore a critical issue. This PhD thesis studies how tree species mixture affects their productivity along edaphic and climatic gradients. Based on an approach using both an original dataset and the national forest inventory dataset, I focused on five major species of European forests in pure and two-species forests: Quercus petraea, Pinus sylvestris, Fagus sylvatica, Abies alba and Picea abies. In lowlands, abiotic factors had little impacts on the outcome of tree species mixture on productivity. In addition, the effect of tree species mixture was determined by the shade tolerance of companion species. In highlands, the positive effects of tree species mixture were strongest when the abiotic factors were the most limiting for growth. These results highlight the importance of considering abiotic factors and the functional characteristics of species as drivers of the effect of biological diversity on ecosystem functions
Ngueguim, Jules Romain. "Productivité et diversité floristique des ligneux en forêt dense d'Afrique tropicale humide du Cameroun : sites de Mangombé, Bidou et Campo". Paris, Muséum national d'histoire naturelle, 2013. http://www.theses.fr/2013MNHN0019.
Pełny tekst źródłaThis study is carried in rainforest of Cameroon. It presents: i) the adaptability of species, planted with two sylviculturals methods in Mangombe’s plantation and ii) compare the biodiversity of Mangombe’s forest to those of Bidou and Campo less disturbed. The adapted species with few mortality and best diameter increasement are : Gmelina arborea (Verbenaceae), Dipterocarpus alatus (Dipterocarpaceae) and Aucoumea klaineana (Burseraceae). The natural regeneration under canopy in plantation is heterogenic and diversed. The vegetation indices show a high diversity in all the sites : Shannon index, generic diversity and specific richness which is higher in Mangombe (38 families and 91 species), intermediary in Bidou (32 families and 88 species) and lower in Campo (29 families and 75 species). Zoochory concerns more than 71% of the species, and suggests a major role of animals in the regeneration process. The abondance of species familiar to non disturbed natural forest confirms the possibility for the natural regeneration to reconstitute in long term the biodiversity in plantation
Anyomi, Kenneth Agbesi. "Spatial and temporal complexities in forest productivity-climate relationships within northern temperate and boreal forests of eastern Canada". Thesis, Université Laval, 2013. http://www.theses.ulaval.ca/2013/30206/30206.pdf.
Pełny tekst źródłaForest productivity is driven by direct climatic and non-climatic factors which are transient or permanent in nature. Their effects vary through time and along spatial scales, thus assuming equal sensitivities across time and space where heterogeneous growth responses exist has consequences for the prediction of forest productivity. There is growing evidence of global changes, associated by rather diverse and in some cases contrasting changes in growth. It is necessary to constantly monitor growth and productivity and regional studies are therefore necessary to consider alternative productivity estimation procedures. This thesis was therefore aimed at determining to what extent global, regional and local changes in climate and disturbance regimes affect forest site productivity within eastern Canadian boreal and northern temperate forests located within the province of Québec. Stem analysis data was first obtained from 32 aspen dominated stands that spanned a 5-degree of latitude-wide transect representing a large climate gradient with different surficial deposit types in order to study real-time height growth. Plonki’s site index model calibrated from stem analysis data was used in estimating a height growth index for these 32 stands. Over 4000 temporary sample plots were also obtained from stands of varying age, structure and species compositional gradients in order to determine feedback effects of vegetation on productivity, which are indirect effects of climate and soil. A site index model calibrated from temporary sample plots (and currently used in Québec for growth and yield estimation) was used in estimating site index for mixed aspen stands. Finally, the last chapter of this thesis used an aspecific height-age relationship. Results of the first chapter show that within aspen dominated stands, height growth is mainly driven by the annual cumulative sum of growing degree days with an explanatory capacity as good as that of more complex processed-based variables. Also, aspen productivity in pure stands is better explained with a model that assumes that specific populations have different response functions to climate, demonstrating that climate sensitivity is not stable across a species’ geographic range. Within mixed species stands, stand structure and species composition are the major drivers of aspen productivity. Variability in productivity is better explained at the level of landscapes than stand-level. An interaction between landscape- and stand-level drivers influence stand-level productivity, suggesting that a hierarchical modelling approach is more appropriate than a single-level model. Since stand structural and compositional changes are dynamics that characterize stand succession, it is inferred that successional changes and not climate drive productivity in mixed stands, when measured with site index. Our results seem to concur with the fundamental idea of the existence of heterogeneity (in forest productivity) due to intra- and inter-specific interactions in a way that produces structures capable of adapting through time, as suggested by the concept of complex adaptive systems.
Mahand, Messaoudène. "Dendroécologie et productivité de Quercus afares Pomel et Quercus canariensis Willd. Dans les massifs forestiers de l'Akfadou et de Beni-Ghobri en Algérie". Aix-Marseille 3, 1989. http://www.theses.fr/1989AIX30036.
Pełny tekst źródłaMelhaoui, Youssef. "Etude phytoécologique, productivité et classes de croissance du sapin du Maroc (ABIES MAROCCANA TRAB. ) : problématique de la régénération naturelle des peuplements de la sapinière marocaine". Aix-Marseille 3, 1990. http://www.theses.fr/1990AIX30053.
Pełny tekst źródłaJourdan, Marion. "Le rôle de la diversité sur la stabilité des processus des écosystèmes forestiers en contexte de changement climatique". Thesis, Paris, AgroParisTech, 2018. http://www.theses.fr/2018AGPT0009.
Pełny tekst źródłaClimate change has a direct impact on the ecosystem processes of forests and on the services they provide, but it also indirectly affects forest ecosystems by changing the composition of communities. However, such changes in biodiversity are likely to affect ecosystem functioning, since ecosystem processes - such as productivity or decomposition - are particularly sensitive to the species composition of communities. However, while the relationship between diversity and the average level achieved by a given process (e.g. productivity or decomposition) has been widely documented, few studies have attempted to estimate the effect of diversity on the stability of these ecosystem processes. This stability refers to the ability of a forest ecosystem to maintain its structure and properties after disturbance or stress (resistance), and also its recovery rate (resilience). This lack of knowledge about ecosystem stability is particularly important for forest ecosystems; and the gaps of knowledge are even greater if we consider the interaction between the effects of diversity and the effects of climate change. However, in this context of climate change where stressful events are expected to be more intense and frequent, a better understanding of stand resilience and resilience seems essential, both from the point of view of conserving diversity and maintaining ecosystem processes at the local scale and from the point of view of the forest manager who must adapt stand types and silvicultural practices to new conditions. This thesis thus focused on the effect of species richness and climate on two key ecosystem processes: tree growth and litter decomposition. This involved (i) testing and quantifying the stabilizing effect of tree diversity on forest productivity, (ii) identifying the importance of the effect of litter or stand species composition on decomposition, and (iii) estimating the effect of climate on forest ecosystem processes and the effect of diversity. This thesis focused on stands dominated by three tree species: beech (Fagus sylvatica), fir (Abies alba) and oak (Quercus pubescens) in the French Alps, using empirical (via sampling carried out on a double diversity-climate gradient), experimental and modelling approaches. Through empirical and experimental data, we have shown that the stabilizing effect of diversity can be significant but depends greatly on species identity. Some insights on the underlying mechanisms were highlighted, mainly based on physiological differences and niche complementarity between species. This work also raised the importance of focusing on several scales in the study of the relationships between diversity and functioning. Then this work showed that the effect of a stress gradient could significantly, but not systematically, modulate the mixture effect on forest processes, wood production and litter decomposition. Finally, simulations were conducted to identify management scenarios promoting mixtures and allowing the maintenance of ecosystem services in the context of climate change
Bouchard, Mathieu. "Automatisation de la fonction de façonnage de deux têtes d’abatteuses-façonneuses : effets sur la productivité et le taux de conformité des billes façonnées". Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/26840.
Pełny tekst źródłaAll forest companies try to control their supply costs. Single-grip harvesters are equipped with onboard computers that allow control and automation of some functions. However, these technologies are not used on a regular basis and are in the best cases underutilized. While industrials are showing a growing interest in the utilization of these systems, there have been only a few studies that have documented the impacts of the use of these systems on productivity and quality conformity. The objective of this study was to measure the impacts on productivity and on bucking quality of different degrees of automation of the bucking of a single-grip harvester head. Three different automation degrees, manual, semi-automatic and automatic, have been compared with two different teams composed of 5 operators. Each operator was a different case study. Comparisons were realized on the obtained productivities and on the conformities of the logs lengths and topping diameters. Data collection was made on the logging sites operated by Resolute forest products, in the northern part of Lac St-Jean between January and August 2015. A 5% significance level has been used to realise the variances analysis, where contrasts were employed. Only one case study showed a significant productivity difference linked to the in the automation degree changes. Even if the collected data did not show significant differences on the topping diameters conformities, some tendencies were detected. However, significant differences were detected on the conformity of the lengths of the logs of two operators. Because those two operators work on different harvesters, this might show that the operator can have an impact on the lengths conformity.
Delzon, Sylvain. "Causes fonctionnelles et structurales du déclin de productivité des forêts avec l'âge : analyse expérimentale d'une chronoséquence de peuplements de pin maritime". Bordeaux 1, 2004. http://www.theses.fr/2004BOR12834.
Pełny tekst źródłaKsiążki na temat "Forêts – Productivité"
Payandeh, Bijan. Application of basal area index in the yield estimation of boreal mixedwood cover types. Sault Ste. Marie, Ont: Great Lakes Forestry Centre, 1996.
Znajdź pełny tekst źródłaManning, Glenn H. Timber supply and nonindustrial private forests in British Columbia. Victoria, B.C: Pacific Forestry Centre, 1994.
Znajdź pełny tekst źródłaMacFarlane, Derek David. Ressources forestières du Canada atlantique et aperçu des facteurs qui influent sur la production du bois. Fredericton, N.-B: Centre de foresterie de l'Atlantique, 1997.
Znajdź pełny tekst źródłaRunyon, Kenneth Lee. Approvisionnement en bois au Canada: Situation actuelle et perspectives. Ottawa, Ont: Forêts Canada, 1991.
Znajdź pełny tekst źródłaPayandeh, Bijan. ONTWIGS: A forest growth and yield projection system adapted for Ontario. [Sault Ste. Marie, Ont.]: Great Lakes Forestry Centre, 1991.
Znajdź pełny tekst źródłaWalmsley, Mark E. Evaluation of soil degradation as a factor affecting forest productivity in British Columbia: A problem analysis : phase II & III, research needs & policy evaluation. Victoria, B.C: Canadian Forestry Service, 1988.
Znajdź pełny tekst źródłaMarc A. Von der Gönna. Fundamentals of mechanical site preparation. [Victoria, B.C: Forestry Canada, 1992.
Znajdź pełny tekst źródłaUtzig, Gregory. Evaluation of soil degradation as a factor affecting forest productivity in British Columbia: A problem analysis, phase I. Victoria, B.C: Canadian Forestry Service, 1988.
Znajdź pełny tekst źródłaSteen, O. A. Grass and legume seeding for vegetation control on blade scarified sites in the ICH and ESSF zones in the central interior of British Columbia. Victoria, B.C: Forestry Canada, 1991.
Znajdź pełny tekst źródłaSmith, R. B. Impacts of skidroads on properties of a calcareous, loamy soil and on planted seedling performance. Victoria, B.C: Pacific Forestry Centre, 1994.
Znajdź pełny tekst źródłaCzęści książek na temat "Forêts – Productivité"
Bormann, Bernard T., Steven S. Perakis, Robyn L. Darbyshire i Jeff Hatten. "Long-Term Forest Productivity". W People, Forests, and Change, 149–60. Washington, DC: Island Press/Center for Resource Economics, 2017. http://dx.doi.org/10.5822/978-1-61091-768-1_11.
Pełny tekst źródłaHenderson, Gray S. "Soil Organic Matter: A Link Between Forest Management and Productivity". W Carbon Forms and Functions in Forest Soils, 419–35. Madison, WI, USA: Soil Science Society of America, 2006. http://dx.doi.org/10.2136/1995.carbonforms.c19.
Pełny tekst źródłaLöffler, H. "The Relationship between Site Classification and Terrain Classification". W Forest site and productivity, 3–8. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_1.
Pełny tekst źródłaRaison, R. J., i W. J. B. Crane. "Nutritional Costs of Shortened Rotations in Plantation Forestry". W Forest site and productivity, 117–25. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_10.
Pełny tekst źródłaFarrell, P. W., D. W. Flinn, R. O. Squire i F. G. Craig. "Maintenance of Productivity of Radiata Pine Monocultures on Sandy Soils in Southeast Australia". W Forest site and productivity, 127–36. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_11.
Pełny tekst źródłaSchutz, C. J. "Monitoring the Long-Term Effects of Management Practices on Site Productivity in South African Forestry". W Forest site and productivity, 137–44. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_12.
Pełny tekst źródłaAlcubilla, M., i K. E. Rehfuess. "Experiences with Stem Phloem Analysis". W Forest site and productivity, 145–52. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_13.
Pełny tekst źródłaAkachuku, A. E. "Estimation of Volume and Weight Growth in Gmelina Arborea with X-ray Densitometry". W Forest site and productivity, 153–59. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_14.
Pełny tekst źródłaBallard, R., i R. Lea. "Foliar Analysis for Predicting Quantitative Fertilizer Response: The Importance of Stand and Site Variables to the Interpretation". W Forest site and productivity, 163–70. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_15.
Pełny tekst źródłaAxelsson, B. O. "Differences in Yield at Different Sites: An Irrigation-Fertilization Study of Nutrient Flux during Fast Growth". W Forest site and productivity, 171–83. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4380-3_16.
Pełny tekst źródłaStreszczenia konferencji na temat "Forêts – Productivité"
Okmanis, Modris, Guna Petaja i Ainārs Lupiķis. "Productivity of mechanized wood ash application in forest". W Research for Rural Development, 2017. Latvia University of Agriculture, 2017. http://dx.doi.org/10.22616/rrd.23.2017.009.
Pełny tekst źródłaThomas, David B., J. G. F. Coutinho i Wayne Luk. "Reconfigurable computing: Productivity and performance". W 2009 Conference Record of the Forty-Third Asilomar Conference on Signals, Systems and Computers. IEEE, 2009. http://dx.doi.org/10.1109/acssc.2009.5469934.
Pełny tekst źródłaKay, John A., i George K. Schuster. "Enhanced Productivity in Forest Product Industries with Lockout/Tagout Alternatives". W 2018 IEEE IAS Pulp, Paper and Forest Industries Conference (PPFIC). IEEE, 2018. http://dx.doi.org/10.1109/ppic.2018.8502231.
Pełny tekst źródłaLeDoux, Chris B., Bhaskaran Gopalakrishnan i R. S. Pabba. "THINEX: an expert system for estimating forest harvesting productivity and cost". W Photonics East (ISAM, VVDC, IEMB), redaktorzy Bhaskaran Gopalakrishnan i San Murugesan. SPIE, 1998. http://dx.doi.org/10.1117/12.326931.
Pełny tekst źródłaFan, Wenwu, Xin Tian, Feilong Ling i Min Yan. "Estimation of Gross Primary Productivity of four types of forest in China". W 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS). IEEE, 2016. http://dx.doi.org/10.1109/igarss.2016.7730153.
Pełny tekst źródłaHuang, Wei, A.-Na Cao, LiangPei Zhang, Xianhua Li i Kanako Muramatu. "Estimation of net primary productivity of green coniferous forest in complex terrain". W Second International Conference on Earth Observation for Global Changes, redaktorzy Xianfeng Zhang, Jonathan Li, Guoxiang Liu i Xiaojun Yang. SPIE, 2009. http://dx.doi.org/10.1117/12.836467.
Pełny tekst źródłaWu, Hao, Tao Zhou i Hui Luo. "Estimation of the net primary productivity of forests on age in China". W 2016 5th International Conference on Sustainable Energy and Environment Engineering (ICSEEE 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icseee-16.2016.169.
Pełny tekst źródłaZimelis, Agris, Santa Kaleja i Solveiga Luguza. "Factors affecting productivity of machined logging in thinning using small size forest machines". W Research for Rural Development, 2018. Latvia University of Life Sciences and Technologies, 2018. http://dx.doi.org/10.22616/rrd.24.2018.007.
Pełny tekst źródłaMukhdlor, Ahmad, Muhammad Taufiq Haqiqi, Muhammad Taufan Tirkaamiana, Wiwin Suwinarti i Rudianto Amirta. "Assessment of Wood Biomass Productivity from Anthocephalus macrophyllus Forest Plantation for Energy Production". W Joint Symposium on Tropical Studies (JSTS-19). Paris, France: Atlantis Press, 2021. http://dx.doi.org/10.2991/absr.k.210408.005.
Pełny tekst źródłaGladysheva, Ol'ga, Oksana Artyuhova i Vera Svirina. "Crop rotations with clover and their productivity". W Multifunctional adaptive fodder production23 (71). ru: Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-23-71-38-42.
Pełny tekst źródłaRaporty organizacyjne na temat "Forêts – Productivité"
Harrington, Constance A., i Stephen H. Schoenholtz. Productivity of Western forests: a forest products focus. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2005. http://dx.doi.org/10.2737/pnw-gtr-642.
Pełny tekst źródłaInce, Peter J., John Fedkiw, H. Edward Dickerhoof i H. Fred Kaiser. National measures of forest productivity for timber. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 1989. http://dx.doi.org/10.2737/fpl-gtr-61.
Pełny tekst źródłaCrow, Thomas R., Daniel C. Dey i Don Riemenschneider. Forest productivity: producing goods and services for people. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station, 2006. http://dx.doi.org/10.2737/nc-gtr-246.
Pełny tekst źródłaSlaughter, C. W., i T. Gasbarro. Proceedings of the Alaska forest soil productivity workshop. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1988. http://dx.doi.org/10.2737/pnw-gtr-219.
Pełny tekst źródłaHarvey, Alan E., i Leon F. Neuenschwander. Proceedings - Management and productivity of western-montane forest soils. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station, 1991. http://dx.doi.org/10.2737/int-gtr-280.
Pełny tekst źródłavan Hees, Willem W. S. Timber productivity of seven forest ecosystems in southeastern Alaska. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1988. http://dx.doi.org/10.2737/pnw-rp-391.
Pełny tekst źródłaAddessi, Andrew. Urban Impacts to Forest Productivity, Soil Quality, and Canopy Structure in Forest Park, Portland, Oregon. Portland State University Library, styczeń 2000. http://dx.doi.org/10.15760/etd.5769.
Pełny tekst źródłaBurger, James A., i Yi-Jun Xu. Sustaining the Productivity and Function of Intensively Managed Forests - Final Report. Office of Scientific and Technical Information (OSTI), marzec 2001. http://dx.doi.org/10.2172/783594.
Pełny tekst źródłaLuxmoore, R. J. Final Progress Report on Model-Based Diagnosis of Soil Limitations to Forest Productivity. Office of Scientific and Technical Information (OSTI), sierpień 2004. http://dx.doi.org/10.2172/885602.
Pełny tekst źródłaJang, Woongsoon, Christopher R. Keyes i Deborah Page-Dumroese. Impact of biomass harvesting on forest soil productivity in the northern Rocky Mountains. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2015. http://dx.doi.org/10.2737/rmrs-gtr-341.
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