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levantamentq exploratörio - reconhecimento de solos do estado 00 ...

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RELAÇAO ENTRE OS SOLOS E O MEIO-AMBIENTE<br />

SOLO CONDICÖES DO MEIO-AMBIENTE<br />

90 — SOLOS LITÖLICOS DISTRÓFICOS A fraco e mo<strong>de</strong>ra<strong>do</strong><br />

textura arenosa (ocorre em areas <strong>de</strong> simbolos<br />

AQd2, AQd3 e AQd7).<br />

91 — REGOSOL DISTRÖFICO com fragipan A fraco textura<br />

arenosa (ocorre em âreas <strong>de</strong> simbolos REdl<br />

e REd2).<br />

92 — REGOSOL EUTRÓFICO corn fragipan A fraco textura<br />

arenosa (ocorre em âreas <strong>de</strong> si'mbolos PV3,<br />

PE42, REel e REe2).<br />

93 — REGOSOL EUTRÓFICO A fraco textura arenosa<br />

cascalhenta (ocorre em ârea.<strong>de</strong> sîmbolo REe3).<br />

Localiza-se em âreas das zonas da Ibiapaba e Cariri. Abränge <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s<br />

<strong>de</strong> arenitos das Formaçôes Tacaratu, Aliança e Serra Gran<strong>de</strong>. Relevo suave ondula<strong>do</strong><br />

e ondula<strong>do</strong> com altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 5<strong>00</strong> a 850métros. Clima Aw' <strong>de</strong><br />

Koeppen e 4bTh <strong>de</strong> Gaussen, com precipitacäo pluviométrica média anual <strong>de</strong><br />

6<strong>00</strong> a 9<strong>00</strong> mm. Vegetaçao <strong>de</strong> transiçâo f loresta/caatinga e <strong>de</strong> caatinga hiperxerófila.<br />

Situa-se em pequenas âreas das zonas <strong>do</strong> Litoral, Baturité e sertâo Centro-Norte.<br />

Compreen<strong>de</strong> <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> gnaisse e migmatitos referi<strong>do</strong>s ao Pré-Cambriano<br />

Indiviso e granito (Plutônicas Âcidas), com influência, em algumas âreas, <strong>de</strong><br />

material pedimentar. Relevo piano e suave ondula<strong>do</strong> com altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong><br />

50 a 2<strong>00</strong> métros. Clima BSw'h' c Aw' <strong>de</strong> Koeppen e 4aTh e 4bTh <strong>de</strong> Gaussen.<br />

Vegetaçao <strong>de</strong> caatinga hiperxerófila.<br />

Abränge pequenas âreas das zonas <strong>do</strong> Litoral e sertöes Central, Centro-Norte e<br />

Baixo e Médio Jaguaribe. Compreen<strong>de</strong> <strong>solos</strong> provenientes <strong>de</strong> arenitos feldspâticos<br />

da Formaçâo Açu, Cretâceo; migmatito <strong>do</strong> Pré-Cambriano Indiviso e granitos.<br />

Relevo piano e suave ondula<strong>do</strong> com altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 50 a 230 métros. Clima<br />

BSw'h' e Aw' <strong>de</strong> Koeppen e 4aTh, 4bTh <strong>de</strong> Gaussen, com precipitacäo pluviométrica<br />

média anual <strong>de</strong> 550 a 850 mm. Vegetaçao pre<strong>do</strong>minantemente <strong>de</strong> caatinga<br />

hiperxerófila, ocorren<strong>do</strong> a caatinga hipoxerófila.<br />

Zona <strong>do</strong> sertâo Centro-Norte. Abränge <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> granito, com influência<br />

<strong>de</strong> material pedimentar. Relevo piano e suave ondula<strong>do</strong>, altitu<strong>de</strong> varian<strong>do</strong><br />

<strong>de</strong> 2<strong>00</strong> a 250 métros. Clima BSw'h' <strong>de</strong> Koeppen e 4aTh <strong>de</strong> Gaussen com precipitacäo<br />

pluviométrica média anual <strong>de</strong> 650 a 7<strong>00</strong> mm. Vegetaçao <strong>de</strong> caatinga hiperxerófila<br />

.

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