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

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SOLO<br />

66 — PLANOSOL SOLÖDICO vértico A fraco textura<br />

média/argiosa (ocorre em ârea <strong>de</strong> simbolo Rel4).<br />

67 _ CAMBISOL EUTRÓFICO A fraco e mo<strong>de</strong>ra<strong>do</strong> textura<br />

argilosa (ocorre em ârea <strong>de</strong> simbolo Ce).<br />

68 — VERTISOL A chernozêmico (ocorre em âreas <strong>de</strong><br />

sfmbolos VI e V3).<br />

69 — VERTISOL A fraco e mo<strong>de</strong>ra<strong>do</strong> (ocorre em âreas<br />

<strong>de</strong> sfmbolos PE31, NC12, V2, V3, V4, V5, V6, SS3,<br />

Ae2 e Ae4).<br />

RELAÇAO ENTRE OS SOLOS E 0 MEIO-AMBIENTE<br />

CONDIÇôES DO MEIO-AMBIENTE<br />

Zona <strong>do</strong> sertâo Centro-Norte. Compreen<strong>de</strong> <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> saprolito <strong>do</strong> gnaisse<br />

<strong>do</strong> Pré-Cambriano Indiviso e <strong>de</strong> argilitos e siltitos <strong>do</strong> Grupo Jaibaras, referi<strong>do</strong>s<br />

ao Cambro-Or<strong>do</strong>viciano. Relevo piano e suave ondula<strong>do</strong> com altitu<strong>de</strong> varian<strong>do</strong><br />

<strong>de</strong> 120 a 240 métros. Clima Aw' <strong>de</strong> Koeppen e 4aTh, 4bTh <strong>de</strong> Gaussen,<br />

com precipitaçâo pluviométrica média anual <strong>de</strong> 9<strong>00</strong> a 1.1<strong>00</strong> mm. Vegetaçâo <strong>de</strong><br />

caatinga hiperxerófila.<br />

Zona <strong>do</strong> sertào <strong>do</strong> Baixo Jaguaribe. Abränge <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> calcârio e <strong>de</strong>arenito<br />

calcffero, Formaçâo Jandai'ra, referi<strong>do</strong>s ao Cretâceo. Relevo piano com<br />

altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 120 a 140 métros. Clima BSw'h' <strong>de</strong> Koeppen e 4aTh <strong>de</strong><br />

Gaussen, com precipitaçâo pluviométrica média anual <strong>de</strong> 6<strong>00</strong> a 7<strong>00</strong> mm. Vegetaçâo<br />

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

Situa-se em âreas das zonas <strong>do</strong> Araripe e Cariri. Compreen<strong>de</strong> <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s<br />

<strong>de</strong> calcârio, margas e folhelhos da Formaçâo Santana referida ao Cretâceo (VI)<br />

e <strong>de</strong> margas, folhelhos e siltitos da Formaçâo Aliança referida <strong>do</strong>s Jurâssico Superior,<br />

além <strong>de</strong> sedimentos argilosos <strong>do</strong> Holoceno (V3). Relevo piano, suave ondula<strong>do</strong><br />

e ondula<strong>do</strong> com altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 3<strong>00</strong> a 6<strong>00</strong> métros. Clima Aw' <strong>de</strong><br />

Koeppen e 4bTh <strong>de</strong> Gaussen com precipitaçâo pluviométrica média anual <strong>de</strong> 650 a<br />

1.1<strong>00</strong> mm. Vegetaçâo <strong>de</strong> catinga hipoxerófila e floresta caducifólia <strong>de</strong> vârzea.<br />

Abränge âreas nas zonas fisiogrâficas <strong>do</strong> Litoral (pequena ârea), Cariri, sertôes<br />

<strong>do</strong> Salga<strong>do</strong> e Alto Jaguaribe, Central e Baixo Jaguaribe. Compreen<strong>de</strong> <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s<br />

<strong>de</strong> sedimentos nâo consolida<strong>do</strong>s, margas, folhelhos, calcârios sedimentär<br />

e metamórfico, argilito, siltito, gnaisse e anfibolito, referi<strong>do</strong>s ao Holoceno, Cretâceo,<br />

Jurâssico Superior e Pré-Cambriano Indiviso. Relevo piano e suave ondula<strong>do</strong><br />

com altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 20 a 350 métros. Clima Aw' e BSw'h' <strong>de</strong><br />

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

6<strong>00</strong> a 9<strong>00</strong> mm. Vegetaçâo pre<strong>do</strong>minantemente <strong>de</strong> caatinga hiperxerófila, ocorren<strong>do</strong><br />

caatinga hipoxerófila, floresta caducifólia <strong>de</strong> vârzea e a floresta ciliar <strong>de</strong><br />

carnaûba.

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