10 documents found, page 1 of 1
Joint model for zero-inflated data combining fishery-dependent and fishery-inde...
Silva, Daniela; Menezes, Raquel; Araújo, Gonçalo; Rosa, Renato; Moreno, Ana; Silva, Alexandra; Garrido, SusanaAccurately identifying spatial patterns of species distribution is crucial for scientific insight and societal benefit, aiding our understanding of species fluctuations. The increasing quantity and quality of ecological datasets present heightened statistical challenges, complicating spatial species dynamics comprehension. Addressing the complex task of integrating multiple data sources to enhance spatial fish ...
Joint model for zero-inflated data combining fishery-dependent and fishery-inde...
Silva, Daniela; Menezes, Raquel; Araújo, Gonçalo; Rosa, Renato; Moreno, Ana; Silva, Alexandra; Garrido, SusanaAccurately identifying spatial patterns of species distribution is crucial for scientific insight and societal benefit, aiding our understanding of species fluctuations. The increasing quantity and quality of ecological datasets present heightened statistical challenges, complicating spatial species dynamics comprehension. Addressing the complex task of integrating multiple data sources to enhance spatial fish ...
Joint model for zero-inflated data combining fishery-dependent and fishery-inde...
Silva, Daniela; Menezes, Raquel; Araújo, Gonçalo; Rosa, Renato; Moreno, Ana; Silva, Alexandra; Garrido, SusanaAccurately identifying spatial patterns of species distribution is crucial for scientific insight and societal benefit, aiding our understanding of species fluctuations. The increasing quantity and quality of ecological datasets present heightened statistical challenges, complicating spatial species dynamics comprehension. Addressing the complex task of integrating multiple data sources to enhance spatial fish ...
Crowdfunding vs. Taxes: Does the payment vehicle influence WTP for Ecosystem Se...
Cunha-e-Sá, Maria A.; Dietrich, Til; Faria, Ana; Nunes, Luis Catela; Ortigão, Margarida; Rosa, Renato; Vieira Da Silva, CarinaThe effect of the payment vehicle (PV) on economic valuation estimates has been addressed since the early literature on stated preferences studies. Particularly, some studies have focused on willingness to pay (WTP) sensitivity to mandatory/collective vs. voluntary/individual PVs, by comparing tax increases or redistribution based on specific taxes with donation-like contributions. These two payment schemes may...
Preference for Landings’ Smoothing and Risk of Collapse in Optimal Fishery Poli...
Rosa, Renato; Vaz, João; Mota, Rui; Silva, AlexandraSeveral world fish stocks are being explored at unsustainable levels and require management plans to rebuild stock abundance. Defining a management plan is, however, a complex task that entails multidisciplinary work. In fact, while it requires solid scientific knowledge of fish stocks, the inclusion of economic and social objectives is crucial to a successful management implementation. In this paper we develop...
Sistema de aquisição de baixo custo para um dinamômetro biomédico
Cortez, Paulo José Oliveira; Machado, Sandro Oliveira; Rosa, Renato; Valenti, Vitor Engrácia [UNESP]; Tomazini, José Elias [UNESP]Made available in DSpace on 2015-02-24T13:57:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2013Bitstream added on 2015-02-24T14:07:36Z : No. of bitstreams: 1 ISSN2236-3785-2013-03-04.pdf: 339430 bytes, checksum: cf762d790705c5a2b813ffbd3ab47909 (MD5); Objetivo: criar um Sistema de Aquisição de baixo custo, otimizando um dispositivo de fabricação própria. Método: Para tanto, foi idealizado um sistema dedi...
Urban deforestation and urban development
Cunha-e-Sá, Maria A.; Fernandes Franco, Sofia; Rosa, RenatoThis paper has developed a model of a single forest owner operating with perfect foresight in a dynamic open-city environment that allows for switching between alternative competing land uses (forest and urban use) at some point in the future. The model also incorporates external values of an even-aged standing forest in addition to the value of timber when it is harvested. Timber is exploited based on a multip...
Essays on forestry economics
Rosa, RenatoIn this dissertation, optimal forest management and land use allocation are analyzed when biodiversity and carbon sequestration benefits are introduced into the forest agent problem. In particular, forest carbon sequestration is studied under two different scenarios: the first considers the problem of the small private owner, while the second focuses on the management of a public forest, when timber and land pr...
Continuous versus Discrete Time Forest Management Models with Carbon Sequestrat...
Costa-Duarte, Maria Clara; Cunha-e-Sá, Maria A.; Rosa, RenatoForest literature uses both continous and discrete time models to study forest management problems, and when carbon sequestration benefits are considered, the results obtained in both approaches are not always equivalent. This issue is relevant from a policy point of view if credits are to be allocated to forest owners within the implementation of the Kyoto Protocol. This note explores the impact of different c...
Forest Vintages and Carbon Sequestration
Costa-Duarte, Maria Clara; Cunha-e-Sá, Maria A.; Rosa, RenatoIn the current paper we examine the role of forest carbon sequestration benefits in optimal forest management. When carbon benefits are considered not only the forested area is relevant, but also the flow of carbon between land and the atmosphere through the carbon cycle. To account for all these impacts a multi-vintage forest setting is used, following Salo and Tahvonen (2004). The model is extended to three d...