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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 />

87 — SOLOS LITÓLICOS EUTRÖFICOS e DISTRÓFI-<br />

COS A fraco e mo<strong>de</strong>ra<strong>do</strong> textura arenosa e média<br />

(ocorre em areas <strong>de</strong> simbolos PE34, V4, V6, Redl,<br />

, Red2, Red3, Red4, Red5, Redó, Red7, Red8, Red9,<br />

RedlO e Redll).<br />

— SOLOS LITÓLICOS EUTRÓFICOS e DISTRÓFI-<br />

COS A fraco textura indiscriminada (ocorre em<br />

ârea <strong>de</strong> simbolo SS3).<br />

89 — SOLOS L1TÖLICOS EUTRÓFICOS e DISTRÓFI-<br />

COS A indiscrimina<strong>do</strong> textura arenosa, média e argilosa<br />

(ocorre em ârea <strong>de</strong> simbolo Redl2).<br />

Abränge areas em todas as zonas fisiogrâficas <strong>do</strong> Esta <strong>do</strong>, exceto Ibiapaba, Baturité<br />

e Pereiro. Compreen<strong>de</strong> <strong>solos</strong> <strong>de</strong>senvolvi<strong>do</strong>s <strong>de</strong> rochas referidas aos seguintes<br />

perfo<strong>do</strong>s: Pré-Cambriano A e Indiviso, Cambro-Or<strong>do</strong>viciano, Siluriano,<br />

Jurâssico Superior, Cretâceo e também Plutônicas Âcidas. Relevó <strong>de</strong>s<strong>de</strong> piano<br />

até montanhoso com altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 1<strong>00</strong> a 7<strong>00</strong> métros. Clima BSw'h' e<br />

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

anual <strong>de</strong> 450 a 7<strong>00</strong> mm, ocorren<strong>do</strong> no Litoral ou em areas próximas, 9<strong>00</strong> a<br />

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

caatinga hipoxerófila e a transiçâo floresta/caatinga.<br />

Zona <strong>do</strong> sertâo <strong>do</strong> Salga<strong>do</strong> e Alto Jaguaribe. Abränge <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> arenitos.<br />

siltitos e argilitos, <strong>do</strong> Grupo Rio <strong>do</strong> Peixe <strong>do</strong> Cretâceo.- Relevo piano e suave<br />

ondula<strong>do</strong>, altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 250 a 3<strong>00</strong> métros. Clima Aw' <strong>de</strong> Koeppen e 4bTh<br />

<strong>de</strong> 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 />

Ocorre em areas das zonas <strong>do</strong> Cariri e Araripe (na borda da chapada <strong>do</strong> Araripe).<br />

Compreen<strong>de</strong> <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> material coluvial <strong>do</strong> Holoceno e <strong>de</strong> arenitos<br />

(Formaçâo Exu) e margas, calcârios, argilitos e folhelhos (Formaçâo Santana),<br />

ambas referidas ao Cretâceo. Relevo ondula<strong>do</strong> a montanhoso e altitu<strong>de</strong><br />

varian<strong>do</strong>. <strong>de</strong> 450 a 650 métros. Clima Aw' e Amw' <strong>de</strong> Koeppen e 4bTh, 4cTh <strong>de</strong><br />

Gaussen, com precipitaçâo pluviométrica média anual <strong>de</strong> 8<strong>00</strong> a 1.2<strong>00</strong> mm. Vegetaçào<br />

<strong>de</strong> caatinga hipoxerófila, floresta subcaducifólia e subperenifólia.

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