PATRICÍO, M. C. M.; http://lattes.cnpq.br/8517434009240258; PATRICÍO, Maria da Conceição Marcelino.
Resumo:
The study area comprises the city of Cabaceiras-PB, located in meso and micro Borborema
Cariri East. The objective of the present work was to study the process of environmental
degradation and the vulnerability of rural households in the municipality. The methodology
was based on the use of images TM/Landsat-5 orbital periods between 1987 and 2009, bibliographic
data, questionnaires and field data. Was calculated dryness index of UNEP (1991),
by the method of Thornthowite (1955) the last thirty (30) years (1981-2010). The results obtained
through the thematic maps of land degradation and land cover in the respective years
(1987-2009) revealed a marked deterioration. The areas classified as moderate to severe level
of degradation had an increase of 14,04 % and the serious level increment was 126 %, which
considers a worrying level of degradation is indicative of increased land degradation. Regarding
the vegetation of the land, the study highlights the areas characterized as dense vegetation and
semi-dense obtained negative increments of 35.9 % and 37,11 %. These results are due to high
vulnerability (Social 29,2 % Savings 76,8 %, Technology 69,7 % and Hydro 48,1 %) whose
indices ranged from moderate to very high. Families have high economic weakness, evidenced
by dependence on welfare programs for the eradication of poverty the government Federal.Tal
result can also be explained by the absence of public policies in the agricultural sector and water
infrastructure.