Banca de DEFESA: MARCOS DOS SANTOS

Uma banca de DEFESA de DOUTORADO foi cadastrada pelo programa.
DISCENTE : MARCOS DOS SANTOS
DATA : 20/04/2022
HORA: 14:00
LOCAL: ENSINO REMOTO EMERGENCIAL
TÍTULO:

THE MORPHOSTRUCTURAL CHARACTERISTICS AND THE USE ANDLAND OCCUPATION IN THE CÓRREGO HYDROGRAPHIC BASINCACHOEIRINHA, MATO GROSSO

PALAVRAS-CHAVES:

watershed, land use, river dynamics

PÁGINAS: 291
GRANDE ÁREA: Ciências Biológicas
ÁREA: Ecologia
RESUMO:

This research was carried out in the hydrographic basin of the Cachoeirinha stream, located in the municipality of Cáceres, Mato Grosso. The objective was to study the environmental characteristics, soil units, different types of land use, the weaknesses of the environment and the morphometry of the Cachoeirinha stream. At methodologies focused on conceptual review; delimitation of the basin area; characterization of environmental elements; creation of the cartographic base; compartmentation of the basin in high, medium and low courses; classification of areas with environmental fragility, according to Ross (1994); characterization of units pedological; survey of the drainage network; laboratory analysis; activities of field and discussion of results. The first chapter covers the features environmental impacts of the basin. The results showed that the regional climate is Aw. Nonetheless, the different altitudes incur in the Tropical Altitude Mesothermal Hot climates of the Southern Facade of Chapadas and Planaltos and the Tropical Megathermal Sub- Humidity of the Depressions and Pantanals of Mato Grosso. Geology comprises the Raizama Formations, Araras, Sepotuba, Milling, Holocenic Alluvium, Colluvium Pleistocene and Holocene Terraces. Geomorphology presents the Province Serrana, the Upper Paraguay Depression and the Paraguay River Plain and coverage Predominant vegetable is of the Savanna type. The second chapter presents the units pedological with typical characteristics of higher altitudes and flat relief, such as example, oxisols. The third chapter refers to the use and occupation of land, which began during the 18th century with agricultural and extractive activities in subsistence. From the nineteenth century, with the arrival of immigrants, there was the insertion of mechanized agriculture, initiating social conflicts, deforestation of large areas, fires, use of pesticides, erosion and soil compaction, among others impacts. Currently, 63% of the basin is covered by Cerrado vegetation, 34.52% it is occupied by pasture and 1.68% by grain monoculture. the fourth chapter presents the areas with environmental fragility. 47.22% is very fragile strong in the Serrana Province. The lowest index is found in the valleys of the Depression of the Upper Paraguay and the Paraguay River Plain. In relation to the climate, the strong fragility was in the domain area of the Tropical Climate of Altitude Mesothermal Quente da Fachada South of Chapadas and Plateaus. The typical eutrophic Tb Fluvic Neosol and the Eutrophic Litholic Neosol showed very strong fragility and weak fragility the Oxisols. 62.94% of the basin has weak and very weak environmental fragility, where there is vegetation cover. The fifth chapter exposes bathymetry and morphometry. The results showed that geomorphology created the flow pattern exorreic and parallel drainage. The drainage density was 0.52 km/km², of channels 0.10 channels/km², highest flow in S-IV, greatest depth in S-VI, sharpest speed on the S-IV, the wet area on the S-VI and the highest load of sediments in the flood period in S-VII. The completion of this study was essential for the knowledge of the natural and social structure of the basin, in order to guide actions that aim at the management and development of environmentally correct actions

MEMBROS DA BANCA:
Presidente - 83161001 - CELIA ALVES DE SOUZA
Interno - 80797005 - CARLA GALBIATI
Interno - 48690002 - SOLANGE KIMIE IKEDA CASTRILLON
Externo à Instituição - CLAUDIA MARIA SABOIA DE AQUINO - UFPI
Externo à Instituição - JUBERTO BABILÔNIA DE SOUSA - IFMT