LEI 11284 PDF

In , a new forestry law in Brazil (Lei 11,/) established the legal framework to develop state and national public forests for multiple. within the structure of the Ministry for the Environment (for the full text, see Lei/Lhtm>). (Lei /) are optimistic that conces sions will provide economic development opportunities and help modernize the nat ural forest products industry.

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Further research should include forest dynamics to better incorporate the long-term growth and yield of the harvested forests. Lentini would like to thank D. We currently do not have sufficient data to estimate economic returns to nonlogging land uses.

Figures 2 and 3 show what happens to the number of stands assigned for logging and harvested volume when logging is performed by firms located in the current logging centers Figures 2 a and 3 a and if mills move to closer cities Figures 3 a and 3 b. The objective of this paper lel to develop an analytical tool to support this decisionmaking. License CC BY 3.

In the case of community use, we assigned to stands in which older forest fires were identified 12184 a weight equal to two-thirds the weight assigned to stands indicating more recent forest fire activity — equal to 2 and 3, resp.

The parameter is assigned a priori to be either binary 0, 1 or some other score assigned by the public planner, in the case the planner has information about the relative value of different stands for a given land use alternative. 1284 model developed in this study is not intended to replace these efforts but, rather, by incorporating eli generated from these surveys, given planners a method to easily visualize alternative planning landscapes.

For decisionmaking purposes, it is important to be able to estimate the royalty rate that permits the logging firm to just satisfy participation constraints. From this database, we used interviews from the Calha Norte and surrounding centers. In generalized mathematical terms, In this formulation, represents mutually exclusive land use alternatives for each stand. Here, we compared N-glycan profiles of liver tumor tissues and adjacent tissues of 27 HCC patients to reveal the association between fucosylation leei HCC progression, as well as verified the potential role of miRNA in regulating fucosylation.

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Forests are being depleted rapidly as adoption of sound forest management practices is still in the incipient stage [ 12 ]. Developing this information is an important priority for public forests planning. Mass spectrometry MS analysis showed pronounced differences of the N-glycosylation patterns and fucosylated N-glycans between the adjacent and tumor tissues.

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The model has several potential uses. Meanwhile, our estimates of government receipts should be viewed with caution. Macpherson contributed to this work though he is a graduate student at the University of Florida, while receiving support from the Working Forests in the Tropics Program through a National Science Foundation Integrated Graduate Education and Research Traineeship Grant no.

Although this work was reviewed by the United Lek Environmental Protection Agency and approved for publication, it may not necessarily reflect official agency policy. Toggle navigation NewClimate Policy Database.

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Inthe Brazilian Forest Service SFB concluded the first inventory of lri lands, a starting point for detailed land use planning within public forests. We also estimated the rent distribution between concessionaires and the government.

Both curves assume equally weighted stands for both land uses.

For simplicity, we assume that the growth and yield of the harvested forest would be sufficient to restore the same merchantable volume in each timber volume class within each stand at the beginning of the second cutting cycle. While generating optimal land use configurations, the model enables an assessment of lsi market and nonmarket tradeoffs associated with 112844 land use priorities.

Questionable decisions of Web of Science. Volume harvested within Faro State Forest by timber value class with an increasing number of stands converted to other land uses from current logging centers a and from closer urban centers b. If the stand is harvested, the timber will travel to at least one of mills located in logging centers denoted leei. As ofCalha Norte contained 64 million hectares of protected areas.

There are commercial species which, for simplification, we categorize into timber value classes, denoted by. The curves traced out mainly Figures 5 a and 5 b due to the similar comparative 11284 are useful to assess the effects of nonlogging land use alternatives over the NPV generated by logging.

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Opt In Opt Out. Table of Contents Alerts. All these curves show that MOCs increase when a large proportion of FSF is used for uses other than logging since more profitable stands are increasingly assigned to these uses.

The law creates a Brazilian Forest Service, sets up a National Forest Development Fund and 12184 into effect an infrastructure for sustainable use of public lands including the use of concessions.

The potential of each stand for each land use is assumed to be known and is denoted by. These studies created maps identifying forests financially profitable for logging, based on wood prices and logging costs i. The law aims to strengthen forest conservation especially in the Amazon by decreasing land speculation, putting an end to fraudulent property claims grilagem and creating a socially inclusive, sustainable forest-based economy.

For this reason, 112844 objective function maximizes profits while taking land use constraints into account. We bring together two lines of research in forestry and natural resource management to help us develop our planning model.

All site content, except where otherwise noted, is licensed under a Creative Commons Attribution 3. Subscribe to Table of Contents Alerts. However, we do permit the planner to specify the minimum number of stands allocated to each land use within the forest.

International Journal of Forestry Research

Figure 6 b shows the same results for areas assigned to biodiversity conservation. Each stand ldi an annual harvestable area denominated in hectares.

The costly forest concession, through the payment for the sustainable use of forest products and services, is a way of indirect management that can be applied to National Forests and other types of public forests which are not designated to community use or protected areas of “full protection” category.