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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 />

60 — BRUNO NÄO CALCICO vértico textura argilosa<br />

(ocorre em âreas <strong>de</strong> simbolos PE29, NC6, NC7,<br />

NC8, NC9, NC10, NC11, NC12 e Re22).<br />

61 — BRUNO NÄO CÂLCICO vértico com e sem carbonato<br />

textura argilosa (ocorre em âreas <strong>de</strong> simbolos<br />

NC13 e V5).<br />

62 — BRUNOS NÂO CÂLCICOS INDISCRIMINADOS<br />

(ocorre em âreas <strong>de</strong> simbolos PE22, NC14, NC15,<br />

Rel7, Rel8, Rel9 e Red5).<br />

Abränge âreas nas zonas fisiogrâficas <strong>de</strong> Baturité e Araripe e <strong>do</strong>s sertôes Centro-Norte,<br />

Central e <strong>do</strong> Su<strong>do</strong>este. Compreen<strong>de</strong> <strong>solos</strong>' <strong>de</strong>senvolvi<strong>do</strong>s <strong>de</strong> gnaisse,<br />

micaxisto, migmatito, anfibolito e filonito (pequenas âreas), com influência <strong>de</strong><br />

cobertura <strong>de</strong> material pedimentar. Relevo pre<strong>do</strong>minantemente suave ondula<strong>do</strong>ocorren<strong>do</strong><br />

âreas planas e onduladas; altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 2<strong>00</strong> a 650 métros. Clima<br />

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

anual entre 5<strong>00</strong> a 8<strong>00</strong> mm. Vegetaçâo <strong>de</strong> caatinga hiperxerófila. Excetuase<br />

a associaçâo <strong>de</strong> simbolo NC8 que apresenta altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 50 a 160'<br />

métros; clima Aw' <strong>de</strong> Koeppen e 4cTh <strong>de</strong> Gaussen, precipitaçâo entre 1.<strong>00</strong>0 e-<br />

1.2<strong>00</strong> mm e vegetaçâo <strong>de</strong> caatinga hipoxerófila.<br />

Situa-se em âreas das zonas <strong>do</strong> sertâo <strong>do</strong> Baixo Jaguaribe e Cariri. Abränge <strong>solos</strong><br />

<strong>de</strong>riva<strong>do</strong>s <strong>de</strong> arenitos finos e médios com intercalaçôes <strong>de</strong> argilitos, folhelhos<br />

e siltitos <strong>do</strong> Jurâssico Superior ou Cretâceo. Relevo piano e suave ondula<strong>do</strong>, altitu<strong>de</strong><br />

varian<strong>do</strong> <strong>de</strong> 4<strong>00</strong> a 550 métros (NC13) e <strong>de</strong> 50 a 70 métros (V5). Clima<br />

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

média a.nual <strong>de</strong> 6<strong>00</strong> a 850 mm. Vegetaçâo <strong>de</strong> caatinga hiperxerofila.<br />

Distribui-se em to<strong>do</strong> o Esta<strong>do</strong>, excetuan<strong>do</strong>-se as zonas fisiogrâficas <strong>de</strong> Ibiapaba,<br />

Cariri e sertâo <strong>do</strong> Baixo Jaguaribe. Compreen<strong>de</strong> <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> gnaisse,<br />

micaxisto, migmatito e anfibolito, ten<strong>do</strong> influência, em algumas âreas, <strong>de</strong> material<br />

pedimentar nos horizontes superficiais. Relevo suave ondula<strong>do</strong> e ondula<strong>do</strong>'<br />

com altitu<strong>de</strong> entre 120 e 6<strong>00</strong> métros. Cfima BSw'h' e Aw' <strong>de</strong> Koeppen c<br />

4aTh, 4bTh <strong>de</strong> Gaussen, corn precipitaçâo pluviométrica média anual <strong>de</strong> 5<strong>00</strong> a<br />

8<strong>00</strong> mm. Vegetaçâo pré<strong>do</strong>minante <strong>de</strong> caatinga hiperxerófila, ocorren<strong>do</strong> tambéma<br />

hipoxerófila.

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