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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Logging in natural forests is a vital economic activity in the Brazilian Amazon. 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. Three maps of profitability of logging were generated for the three timber value classes considered: We bring together two lines of research in forestry and natural resource management to help us develop our planning model.

For decisionmaking purposes, it is important to be able to estimate the royalty rate that permits the logging firm to just satisfy participation constraints. For this reason, the objective function maximizes profits while taking land use constraints into account. All these curves show that MOCs increase when a large proportion of FSF is used for uses other than logging since 112844 profitable stands are increasingly assigned to these uses.

Due to the lack of suitable data, audit costs were assumed to be equivalent to certification audit costs, which vary depending on the size of the management unit.

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Equation 4 maximizes profits from logging within a single year. Sammendrag Glycosylation has significant effects on cancer progression. Volume harvested within Faro State Forest by timber value class with an increasing number of stands converted to other land uses pei current logging centers a and from closer urban centers b.

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The experience across other countries shows that this assumption is extremely optimistic as governments have generally captured only a small 112844 of the total rents [ 2829 ]. Forests are being depleted rapidly as adoption of sound forest management practices is still in the incipient stage [ 12 ]. In mathematical terms, The subscript represents li forest stands within a given public forest. The objective of this paper is to develop an analytical tool to support this decisionmaking.

To support public forest planning efforts, we combine spatially explicit data on logging profits, biodiversity, and potential for community use for use within a forest planning optimization model. In the second set of simulations, we assume that sawmills move into 14 urban centers close to the forest which currently eli no sawmills, assuming new mills would be built to better take advantage of the legal timber supply from FSF.

Currently, annual profits from logging represent one of the primary variables considered by lel Brazilian Government in decisionmaking to grant concessions in public forests. Here, we compared N-glycan profiles of liver tumor tissues and adjacent tissues of 27 HCC patients to reveal the association between fucosylation and HCC progression, as well as verified the potential role of miRNA in regulating fucosylation.

However, we do permit the planner to specify the minimum number of stands allocated to each land use within the forest. The land use choice for each stand is represented pei a series of binary variableswhich take on a value of one if a particular land use is chosen, zero otherwise.

We drew upon previous efforts to estimate 112884 spatially explicit profitability of logging [ 15 — 17 ].

The datasets used span the entire Brazilian Amazon, implying that the analysis can be repeated for any public forest planning effort within the region. This is important for planners because it can accommodate values of noncommercial land uses in a more meaningful way.

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Figure 6 b shows the same results for areas assigned to biodiversity conservation. Each stand is also assumed to have a potential coefficient for each land use alternative. Download this policy as Excel file. Lastly, as the Brazilian concession experience expands, more accurate estimates of concession 1284 costs, transaction costs generated by the licensing of forest management plans, and audit costs will be available for the better accuracy of the model.

The remaining profits are assumed to go to the government via a royalty mechanism that does not affect harvest decisionmaking. Our assumption in the model is that the government is able to use an unspecified nondistortionary royalty instrument that lwi not influence harvest behavior to extract rents to the point that concessionaires just earn profits equivalent to those of operating legally on private lands.

The second scenario investigates the impacts of varying the weights for stands potentially assigned to nonlogging land uses.

It is worth highlighting the fact that this law does not allow the commercialization of carbon credits and other environmental services by the owner of the concession, as explained in art. The potential of each stand for each land use is assumed to be known and is denoted by.

In generalized mathematical terms, In this formulation, represents mutually exclusive land use alternatives for 11824 stand. Web of Science Update Librarians against scientists: The model has several potential uses.