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| Morgan, Don G.; British Columbia Ministry of Forests and Range; Don.Morgan@gov.bc.ca. |
| Uncertainty is a dominant feature of decision making in forestry and wildlife management. Aggravating this challenge is the irreversibility of some decisions, resulting in the loss of economic opportunities or the extirpation of wildlife populations. We adapted the real options approach from economic theory to develop a methodology to evaluate a resource management decision to stop timber harvesting when a woodland caribou (Rangifer tarandus caribou) population becomes threatened with extinction. In our study area of central Labrador, Canada, both caribou and timber harvesting are valued ecosystem services. By using a decision rule, which incorporates future developments, the real options approach provides a technique to incorporate ecological and social... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Decision support; Real options; Forest planning; Wildlife management; Caribou; Labrador. |
| Ano: 2008 |
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| Castro,Renato Vinícius Oliveira; Ataíde,Glauciana da Mata; Castro,Ana Flávia Neves Mendes; Araújo Júnior,Carlos Alberto; Santos,Rosimeire Cavalcante dos; Costa,Lidiomar Soares da. |
| Abstract: The objective of this work was to evaluate the effect of forest rotation on the technical and economic feasibility of eucalyptus wood production for charcoal, in different productivity classes. Data came from Eucalyptus stands whose area was stratified into three classes of productivity: high, medium, and low. To each class, a different criterion of forest rotation was applied, as follows: age of maximum productivity, economic rotation age, single harvest age, and no technical parameter. Analyses of economic feasibility and production were performed for a 21-year planning horizon. For rotation without a technical parameter, a simulation by the Monte Carlo method was performed. For all rotation criteria, feasibility was observed for high- and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forest economics; Forest planning; Harvest age. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2019000101600 |
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| Rode, Rafael; Leite, Helio Garcia; Oliveira, Marcio Leles Romarco; Binoti, Daniel Henrique Breda; Ribeiro, Carlos Antonio Alvares Soares; Souza, Agostinho Lopes; Silva, Márcio Lopes; Cosenza, Diogo Nepomuceno. |
| This study compared the forest planning of outgrower schemes projects with own areas of forestry companies’ areas. The total area of the companies was 41,178 ha distributed in 299 stands, and the outgrower areas were 2,445 ha distributed in 144 properties. The planning involved linear programming of areas in order to maximize the equivalent annuity (EA), under the condition (constraints) of a regulated structure at the end of planning. Two scenarios were evaluated: a) individual model – areas of outgrower schemes and companies in separate models, and b) single model – areas of outgrower schemes and companies in the same programming model. The EA difference of the individual to the single model was unfavorable to outgrowers, since it reduced its value by... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forest planning; Management regimes; Forest optimization; Rural properties Engenharia Florestal Planejamento florestal; Regimes de manejo; Otimização florestal; Propriedades rurais. |
| Ano: 2015 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/760 |
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| FIGUEIREDO, E. O.; FIGUEIREDO, S. M. de M.; OLIVEIRA, M. V. N. d'; SANTOS, E. K. M. dos. |
| Este primeiro trabalho de inventário florestal com as RPAs não pretende esgotar o assunto sobre o tema, mas apenas demarcar os procedimentos iniciais para essa etapa do planejamento florestal, considerada fundamental para o sucesso da atividade, em que foram contempladas as árvores codominantes e dominantes, acima de 50 cm de DAP1,3 m (diâmetro à altura do peito a 1,3 metro). Para isso, o objetivo deste trabalho foi propor um calendário preliminar de inventário florestal com uso de RPAs de classe 3, seguindo normas da Agência Nacional de Aviação Civil (2016). É denominado preliminar porque o estudo foi realizado em uma única tipologia florestal e durante apenas 12 meses. |
| Tipo: Documentos (INFOTECA-E) |
Palavras-chave: Forest planning; Manejo forestal; Manejo de precisão; Inventario forestal; Fotografía aérea; Aeronave remotamente pilotada (RPA); Drone; Vehículos aéreos no tripulados; Bosques tropicales; Administração Florestal; Planejamento Florestal; Inventário Florestal; Aerofotogrametria; Floresta Tropical; Forest management; Forest inventory; Aerial photography; Unmanned aerial vehicles; Tropical forests. |
| Ano: 2018 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1103285 |
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| SILVA,Paulo Henrique da; GOMIDE,Lucas Rezende; FIGUEIREDO,Evandro Orfanó; CARVALHO,Luis Marcelo Tavares de; FERRAZ-FILHO,Antônio Carlos. |
| ABSTRACT Reduced-impact logging is a well known practice applied in most sustainable forest management plans in the Amazon. Nevertheless, there are still ways to improve the operational planning process. Therefore, the aim of this study was to create an integer linear programming (ILP) to fill in the knowledge gaps in the decision support system of reduced impact logging explorations. The minimization of harvest tree distance to wood log landing was assessed. Forest structure aspects, income and wood production were set in the model, as well as the adjacency constraints. Data are from a dense ombrophylous forest in the western Brazilian Amazon. We applied the phytosociological analysis and BDq method to define the selective logging criteria. Then, ILP... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forest planning; Reduced-impact logging; Integer linear programming; Sustainable forest management; Liocourt quocient. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672018000100018 |
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| McComb, Brenda C; Department of Natural Resources Conservation, University of Masschusetts-Amherst; bmccomb@forwild.umass.edu; Spies, Thomas A.; USDA Forest Service Pacific Northwest Research Station, Corvallis, OR; tspies@fs.fed.us; Olsen, Keith A.; Department of Forest Science, Oregon State University, Corvallis, OR; keith.olsen@oregonstate.edu. |
| To understand the potential effects of forest policies on sustaining biological diversity at broad scales, we used spatial simulation models to evaluate current and potential future habitat availability over 100 yr for three focal species: Pacific Fisher (Martes pennanti), Pileated Woodpecker (Dryocopus pileatus), and Warbling Vireo (Vireo gilvus). The habitats of these species represent a broad range of spatial scales and forest types. Area of habitat for fishers and Pileated Woodpeckers is predicted to increase over time under current forest land management policies. Habitat for Warbling Vireos is predicted to decline. These patterns are consistent with past analyses that predicted declines in diverse early successional forests and hardwood forests and... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Forest habitat; Forest planning; Habitat scaling; Landscape spatial scale; Wildlife habitat relationships.. |
| Ano: 2007 |
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