Browsing by Author "Rodrigues, L."
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- Chemodiversity studies on Mentha cervina L. populations from PortugalPublication . Rodrigues, L.; Monteiro, P.; Povoa, O.; Teixeira, G.; Moldao, M.; Figueiredo, A. C.; Monteiro, A.
- Hospitalization direct cost of adults with community-acquired pneumonia in Portugal from 2000 to 2009Publication . Antunes, Carla; Pereira, M.; Rodrigues, L.; Organista, Diana; Cysneiros, Ana; Paula, F.; Nunes, Baltazar; Barbosa, P.; Bárbara, Cristina; Escoval, Ana; Diniz, António; Froes, FilipeIntroduction: Hospitalizations due to community-acquired pneumonia (CAP) in mainland Portugal from 2000 to 2009 accounted for 3.7% of all hospital admissions in population with 18 or more years of age. There is no direct cost data regarding these admissions. Methods: In this observational descriptive study all adult hospitalizations associated with CAP diagnosis were retrospectively analyzed for the period between 2000 and 2009. Patients under 18 years old, those with pneumonia as secondary diagnosis, patients with tuberculous or obstructive pneumonia, and immunocompromised patients were excluded from the study. The direct cost of hospitalization was calculated according to the diagnosis-related groups (DRG), established for the respective year of hospitalization. Results: There were 294,026 hospital admissions with an average annual direct cost of 80 million Euros, which almost doubled between 2000 and 2009. The average direct hospitalization costs per admission, including wards and Intensive Care Units (ICU), amounted to €2,707, with an increasing trend. The average hospitalization cost was €2,515 for admissions resulting in live discharge, and €3,457 for the deceased. Conclusion: The average direct cost of adult hospitalizations associated with CAP amounted to €2,707 in mainland Portugal from 2000 to 2009, showing an increase of 37.5% in hospitalization cost of living and deceased patients. The economic impact of CAP-related hospital admissions justifies the need for better implementation of preventive measures.
- Population ecology of two species of of cave-dwelling bats : (Miniopterus-schreibersii and Myotis myotis)Publication . Rodrigues, L.; Palmeirim, Jorge M., 1957-Many bat species, particularly cave-dwellers, present an unfavourable conservation status on a global level. All bats presently considered as threatened in Portugal are cave-dwellers, which shows that the conservation of this group of species requires an active management programme. However, the planning of management measures requires a good knowledge of some aspects of the biology of species, including their population ecology. Much of this critical knowledge is still missing, as bats are among the least studied of vertebrates. To contribute to overcome this limitation, we planned four general objectives for this thesis: (1) understand bat migration patterns and their causes, (2) determine how spatial behaviour influences population structure and potential gene flow among maternity colonies, (3) determine if there are critical times during the yearly cycle of bats, and (4) understand how roosting behaviour and phenology relate to ambient and roost climate. The two first objectives were studied with Miniopterus schreibersii and the latter with Myotis myotis. We discussed the results in the perspective of planning of management measures, particularly in the Portuguese context. Our results increased the understanding of the biology of the two studied species, gave scientific support to some conservation measures that are already being taken, and will hopefully serve as a base for the application of additional management measures to protect cave-dwelling bats in Portugal and other Mediterranean areas. Finally, we indicate possible avenues or the continuation of the work done in this thesis, which we find to be both scientifically interesting and important for the planning of technically sound conservation programmes.
- Preliminary data on microcharacters and chromosome number in Tornabenea species (Apiaceae) from Cape Verde IslandsPublication . Grosso, A. C.; Rodrigues, L.; Gomes, I.; Martins, E. S.; Teixeira, G.Tornabenea is a small Apiaceae genus that is endemic to the Cape Verde Islands. Its species differentiation is based just on a few macromorphological characters: leaf shape, number and shape of umbel bracts and mericarp ribs. These characters vary within
- Preliminary data on microcharacters and chromosome number in Tornabenea species (Apiaceae) from Cape Verde islandsPublication . Grosso, A.C.; Rodrigues, L.; Gomes, I.; Martins, E.S.; Teixeira, G.Tornabenea is a small Apiaceae genus that is endemic to the Cape Verde Islands. Its species differentiation is based just on a few macromorphological characters: leaf shape, number and shape of umbel bracts and mericarp ribs. These characters vary within each species and show high plasticity. Thus, in recent taxonomic data of the genus, there are different viewpoints as to the number of species. Here, in order to improve the taxonomy of the genus, microcharacters of the vegetative and reproductive structures of three taxa—T. insularis, T. annua and T. tenuissima—have been examined. The shape and arrangement of hairs on the surface of the mericarps, and the presence and structure of starch grains are the only different microcharacters noted in T. insularis and T. annua. Chromosome number of the latter two species is 2n¼18. Our preliminary results disagree with the existing classifications of the genus Tornabenea. In fact, they do not lead to a clear separation between T. insularis and T. annua. By contrast, it is easy to distinguish between these species and T. tenuissima, which possesses more peculiar microcharacters
- A Rega deficitária em viticulturaPublication . Chaves, M.; Lopes, C.M.; Santos, T.; Monteiro, A.; Costa, M.; Rodrigues, L.; Francisco, R.; Santos, R.; Zarouk, O.; Regalado, A.