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

SOLO CONDIÇOES DO MEIO-AMBIENTE<br />

57 — TERRA ROXA ESTRUTURADA SIMILAR EU-<br />

TRÓFICA podzólica A fraco e mo<strong>de</strong>ra<strong>do</strong> textura argilosa<br />

(ocorre em ârea <strong>de</strong> sfmbolo PE18).<br />

58 — BRUNIZEM AVERMELHADO textura argilosa<br />

(ocorre em âreas <strong>de</strong> sfmbolos PE9, BV1, BV2 e.<br />

BV3).<br />

59 — BRUNO NÂO CALCICO textura argilosa (esta unida<strong>de</strong><br />

ocorre em âreas <strong>de</strong> simbolos PE17, PE24.<br />

PE26, PE27, BV3, NC1, NC2, NC3, NC4, NC5, NC6,<br />

NC7, NC11, PL7, Re7, Re8, Rel3, Rel6, Re22, Re24,<br />

Red9 e Redll).<br />

Situa-se em âreas das zonas <strong>do</strong> Sertào <strong>do</strong> Salga<strong>do</strong> e Alto Jaguaribe, Cariri e Araripe<br />

(pequenos trechos). Compreen<strong>de</strong> <strong>solos</strong> originârios <strong>de</strong> migmatito e gnaisse,<br />

referi<strong>do</strong>s ao Pré-Cambriano Indiviso, com possivel influência <strong>de</strong> material retrabalha<strong>do</strong><br />

nos horizontes superficiais. Relevo suave ondula<strong>do</strong> e ondula<strong>do</strong> e altitu<strong>de</strong><br />

varian<strong>do</strong> <strong>de</strong> 350 a 450 métros. Clima Aw' <strong>de</strong> Koeppen e 4bTh <strong>de</strong> Gaussen<br />

com precipitaçào pluviométrica média anual <strong>de</strong> 750 a 9<strong>00</strong> mm. Vegetaçâo <strong>de</strong><br />

caatinga hiperxerófila.<br />

Zona <strong>do</strong> sertâo Central. Compreen<strong>de</strong> <strong>solos</strong> provenientes <strong>de</strong> gnaisse, anfibolito e<br />

micaxisto, com influência <strong>de</strong> material retrabalha<strong>do</strong> nos horizontes superficiais.<br />

Relevo suave ondula<strong>do</strong> a montanhoso com altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 250 a 7<strong>00</strong> métros.<br />

Clima Aw' <strong>de</strong> Koeppen e 4bTh e 4aTh (PE 9) <strong>de</strong> Gaussen, com precipitaçào<br />

pluviométrica média anual <strong>de</strong> 6<strong>00</strong> a 850 mm. Vegetaçâo pré<strong>do</strong>minante <strong>de</strong> transiçâo<br />

floresta/caatinga, ocorren<strong>do</strong> caatinga hipoxerófila (BV3).<br />

Este solo ocorre em to<strong>do</strong> o Esta<strong>do</strong>, principalmente nas regiôes semi-âridas, excetuan<strong>do</strong>-se<br />

as zonas <strong>do</strong> Litoral, Baturité e Ibiapaba. Abränge <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong><br />

gnaisse, xisto, micaxisto, anfibolito e filonito (pequenas âreas), tèn<strong>do</strong> a quasetotalida<strong>de</strong><br />

<strong>do</strong>s mesmos influência <strong>de</strong> material pedimentar nos horizontes superficiais.<br />

Relevo suave ondula<strong>do</strong> e ondula<strong>do</strong> na maioria das âreas, ocorren<strong>do</strong> forte<br />

ondula<strong>do</strong> e montanhoso nas associaçôes <strong>de</strong> simbolos Re8, Re24 e Redll, e piano<br />

na NC1. Altitu<strong>de</strong> varia <strong>de</strong> 1<strong>00</strong> a 4<strong>00</strong> métros, excetuan<strong>do</strong>-se as âreas <strong>de</strong> simbolos<br />

Re22, Re24, îîedll e NC6, que apresentam 4<strong>00</strong> a 750 métros. Clima BSw'h' e Aw'<br />

(pequenas âreas) <strong>de</strong> Koeppen e 4aTh, 4bTh (pequenas âreas) <strong>de</strong> Gaussen, com<br />

precipitaçào pluviométrica média anual <strong>de</strong> 5<strong>00</strong> a 9<strong>00</strong> mm. Vegetaçâo pre<strong>do</strong>minantemente<br />

<strong>de</strong> caatinga hiperxerófila po<strong>de</strong>n<strong>do</strong> ocorrer também a hipoxerófila.:

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