Latitudinal gradients in intraspecific ecological diversity

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Support area as an indicator of environmental load: Comparison between Embodied Energy, Ecological Footprint, and Emergy Accounting methods

Environmental aspects have been acknowledged as an important issue in decision making at any field during the last two decades. There are several available methodologies able to assess the environmental burden, among which the Ecological Footprint has been widely used due to its easy-to-understand final indicator. However, its theoretical base has been target of some criticisms about the inadequate representation of the sustainability concept by its final indicator. In a parallel way, efforts have been made to use the theoretical strength of the Emergy Accounting to obtain an index similar to that supplied by the Ecological Footprint. Focusing on these aspects, this work assesses the support area (SA) index for Brazilian sugarcane and American corn crop through four different approaches: Embodied Energy Analysis (SA(EE)), Ecological Footprint (SA(EF)), Renewable Empower Density (SA(R)), and Emergy Net Primary Productivity (SA(NPP)). Results indicate that the load on environment varies accordingly to the methodology considered for its calculation, in which emergy approach showed the higher values. Focusing on crops comparison, the load by producing both crops are similar with an average of 0.04 ha obtained by SA(EE), 1.86 ha by SA(EF), 4.24 ha by SA(R), and 4.32 ha by SA(NPP). Discussion indicates that support area calculated using Emergy Accounting is more eligible to represent the load on the environment due to its global scale view. Nevertheless, each methodology has its contribution depending of the study objectives, but it is important to consider the real meaning and the scope of each one. (C) 2012 Elsevier Ltd. All rights reserved.

Comparative analysis between a PEM fuel cell and an internal combustion engine driving an electricity generator: Technical, economical and ecological aspects

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Frugivory and seed dispersal by tapirs: an insight on their ecological role

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Disentangling the Phylogenetic and Ecological Components of Spider Phenotypic Variation

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Ecological efficiency in glycerol combustion

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Distribution of Brazilian dermatologists according to geographic location, population and HDI of municipalities: an ecological study

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Ecological competition and the incidence of Acinetobacter baumannii bloodstream infections in a teaching hospital in Southeastern Brazil

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Reconstructing past ecological networks: the reconfiguration of seed-dispersal interactions after megafaunal extinction

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Oocyte maturation in the sloth's giant tick Amblyomma varium (Acari: Ixodidae) in an ecological context

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Using ecological thresholds to evaluate the costs and benefits of set-asides in a biodiversity hotspot

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

ECOLOGICAL MODELING OF TALITROIDES TOPITOTUM (CRUSTACEA: AMPHIPODA)

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Ecological aspects and sexual maturity of a southwestern Atlantic population of the planktonic shrimp Lucifer faxoni (Decapoda: Sergestoidea)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Composição e distribuição florística em corredores ecológicos em regeneração natural

The interventions in the environment performed by humans in recent decades have changed the landscape and the natural ecosystems were reduced to fragments, which are now considered to be a shelter for the biodiversity that still exists. The present work behind the data obtained from a study conducted in four corridors located in the municipality of Paulista, SP, which connect different forest fragments amidst an eucalyptus matrix. These corridors are linear strips of land that were part of the eucalyptus plantation, where since 2002, a natural regeneration process is in course. We conducted a rapid ecological survey in the central corridors, and individuals exhibiting height ≥ 1.30 m were sampled in 268 plots of 20 x 25 m, covering an area of 13.4 ha. In total 11,111 individuals were recorded, distributed in 154 species, 100 genera and 47 families. Fabaceae and Myrtaceae were the richest families. The proximity of forest remnants affected the composition, density and richness of the natural regenerated areas. There was mostly greater similarity inside each corridor, and the observed variations in similarity were gradual among contiguous plots

Ecological strategies of Al-accumulating and non-accumulating functional groups from the cerrado sensu stricto

Coordenação de Aperfei çoamento de Pessoal de Nível Superior (CAPES)