International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004
Internation
e — Geomorpho-pedological environment W-NW: with from sandstones (Kb, Kjb and PCI), are soils that present good [7 7^
predominance of soils with argillic B-horizons, as physical characteristics and with adequate fertility management
well as Cambisols, in predominantly undulated to become suitable for coffee production.
mountainous landscapes, occurring in the western and Land Us
northwestern parts of the study region. After the interpretation of the data the region of Säo Sebastiäo e
do Paraíso was divided into two main environments:
Coffee is distributed over both environments, with greater
concentration in the W-NW environment, despite the harder e Geo-pedological environment W: domain of basalts of Productiv
conditions imposed by the relief. The soils cropped with coffee the Serra Geral Formation, with slope gradients up to [^ "For
belong to the mapping units Red Argisols * Red Yellow 1296, where Ferric Red Latosols e Loamy Red | . Other
Argisols and Red Latosols + Red Yellow Latosols, with Latosols at the intertrapped portions of basalts and [T Bare
Humic/Umbric epipedons when above 950 m. The occurrence sandstones of the Botucatu Formation and ltararé :
of the latter, however, corresponds to a small percentage of the Group are found. At the slopes with more than 1296 x
W-WN environment. The results showed that coffee production
is directly related to the distribution of soils in the landscape.
gradient Ferric Red Nitosols are formed;
e Geo-pedological environment E: domain of
3.3 Study area of Sáo Sebastiáo do Paraíso sandstones of the Itararé Group, where Loamy to
Sandy-Loamy Red Yellow Latosols are found on the [And Use.
Geoprocessing analysis together with field observations led to slopes with less than 1296 of gradient and after that FL
the understanding of soil distribution in the landscape of the Loamy to Sandy Red Yellow Argisols are formed. Producti
pilot area of Sdo Sebastido do Paraiso and to the establishment Fo
of a model correlating geomorphology and geology to map Coffee production in the region is located, predominantly, in the Other
them. The checking of the mapping units and the description of environment W, especially in the portion located between the [Bar
representative soil profiles for its characterization were carried cities of Säo Sebastiáo do Paraíso and Sáo Tomás de Aquino, To
out in the Ribeiráo Fundo watershed, representative of the ^ where the soils, especially the Ferric Red Latosols are more Ta
regional landscape. The main soil classes were established and suitable for production.
described according to Lemos and Santos (1996) and
EMBRAPA (1999).
j : 4. CONCLUSION Land Use
Tables 8 and 9 present the results of the cross tabulations
between Land Use Classes x Soil Classes and Land Use Classes atellite:i J ; Ak ; iei (^A
Satellite imagery has been acknowledge as the most promising
x Slope Classes, respectively. Productive Coffee occupies way for detailed mapping and monitoring of land agricultural Productiv
25,96% of the pilot area and 23,07% of this total is distributed use and cover, over large geographical areas, although there are For
in areas of flat to undulated slopes. The soils used for coffee theoretical and practical challenges that must be met in order to | . Other
production belong to the mapping units LVf (Ferric Red realise its potential. In this work geoprocessing, allied to field p Bae
Latosol) and NVf (Ferric Red Nitosol), totalizing 13,3376. They activities, proved efficient in the characterization of coffee Tot
are followed by the LVAp (Sandy-Loamy Red-Yellow Latosol) agroecosystems of Minas Gerais, especially in the evaluation of Sables, P.
and PVAa (Sandy Red-Yellow Argisol) units, which represent,
together, 7,6994 of the area. In the remaining soil classes coffee
occupies less than 2,5%. The predominance of coffee
production in the LVf and NVf units is justified, as both
originate from basalt from the Serra Geral Formation (KJsg)
and are naturally more fertile. The LVAp and PVAa, derived
the areas occupied by coffee in relation to units that characterize
the physical environment and reflect the regional landscape.
Land Use C
Land Use Classes Soil Classes (%) Productiv
(%) Cal7 | Ld! + LEa9 | Ra5 + AR | Ca3l | LEd16 + Ldl | LEa9 LEd4 Ca6+Ra2 Total Other
Productive coffee | 0,24 8,29 0,01 0,27 2,85 0,59 0,00 1,61 13,86
Forest 1,78 3,42 0,35 2,33 1,99 1,02 0,00 9,21 20,09 |
Other uses 4,51 13,36 0,23 3,14 6,64 2,18 0,00 12 71 42,71 Table 9. Res
Bare soil 0,28 8,65 0,00 0,26 2.27 3,35 0,88 7,83 23,28
Total 6,80 33,71 0,59 5,99 13,53 7,12 0,88 31,35 100,00
Table 4. Results of the cross tabulation between Soil Classes and Land Use Classes for the study area of Patrocinio
S.
Slope Classes (%) Andrade, H
Land Use Classes Plain Gently Undulated Strongly Mountainous Total Diagnóstico
(9o) Undulated Undulated dados do me
Productive Coffee 7,61 4,87 0,90 0,39 0,09 13,86 Congresso E
Forest 7,90 4,32 4.22 3.08 0,59 .. 20,08 Caldas-MG.
Other uses 27,73 16,11 9,36 4.42 0,73 58,35 43,
Bare soil 5,16 2,24 0,24 0,06 0,01 7.71 Burouch. T
Total 48,40 27,54 14,73 7,91 1,42 100,00 TUM
Table 5. Results of the cross tabulation between Land Use Classes and Slope Classes for the study area of Patrocínio ci ne |
DEPARTAM
MINERAL.
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