Mestrado em Biodiversidade Animal (ICB)
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Navegando Mestrado em Biodiversidade Animal (ICB) por Por Orientador "Marco Júnior, Paulo De"
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Item Resistência à dessecação e morfologia de ovos de Odonata neotropicais(Universidade Federal de Goiás, 2020-03-27) Giraldin, Maíra Machado; Marco Júnior, Paulo De; http://lattes.cnpq.br/2767494720646648; Marco Júnior, Paulo De; Arruda, Walquíria; Araújo, Walter Santos deThe Odonata species are distributed along with all kinds of water bodies, being present in streams, lakes, and ponds. Many of them can be found found in fish farming ponds, which provide excellent secondary habitats for species development. However, the larvae provide economic losses to the fish farmers, and the major reason is due to immature fish predation by the Odonata larvae which habit the ponds. During the ponds transition from an activity to another, the fish farmers drain out the ponds, aiming the elimination of pathogens and among them, the Odonata larvae. After the ponds refill, it has been observed in previous studies that the Odonata eggs develop rapidly, leading us to formulate the hypothesis which the species had gone through a selective pressure, which led to the evolution of more resistant eggs to desiccation. We will then, experimentally test the effect of the desiccation in the laboratory studying two neotropical Odonata species: Micrathyria hesperis (Ris 1911) and Perithemis mooma (Kirby, 1889). The hatch efficiencies showed that both species of this study do not suffer the effect of the water absence upon the larvae hatching. This result upholds the 3 hypothesis that eggs from Odonata species in which habitat temporary water bodies exhibit adaptive traits that maximize de immature survival in ephemerous environments. The species Micrathyria hesperis and Perithemis mooma are phylogenetically distant, indicating the desiccation resistance could be distributed among the Odonata.Item Percepção ambiental sobre a biodiversidade em uma região sob influência de atividade mineradora(Universidade Federal de Goiás, 2022-07-19) Gomes, Nicole Mércia Alves; Marco Júnior, Paulo De; http://lattes.cnpq.br/2767494720646648; Marco Júnior, Paulo De; Guimarães, Lorena Dall’Ara; Bastos, Rogério PereiraEnvironmental behavior can be understood by the Theory of Planned Behavior, in which intention is a precursor of behavior and is determined by attitude, perceived behavioral control and subjective norm. We analyzed the environmental perception and the intention of rural landowners around a mining area to recover degraded areas on their properties. We used the model of planned behavior and intent constructs and added external variables (age, schooling and property size) to find out which characteristics explain intent. We also analyzed the relationships between the constructs themselves. We used factor analysis methods to construct the latent variables from a questionnaire. To test the relationships between these variables and between them and the external variables, we used the multiple regression technique. We found that attitude (r2=0.685; F1.30 =57.84; p<0.001), the subjective norm (r²=0.268; F1.30 = 11; p=0.002) and perceived control (r2= 0.154; F1.30 =5.49; p=0.025) have a positive effect on the intention to recover degraded areas, as well as education (t= 2.224; p= 0.034), but the age and size of the property did not affect the intention. We observed the relationship between and external variables and the constructs. It is important to seek strategies that act on the attitude and subjective norm, since such constructs are the ones that most influence intention, and the greater the intention, the greater the chance of this community to perform pro-environment behaviors.