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

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SOLO<br />

35 — PODZÓLICO VERMELHO AMARELO EQUIVA-<br />

LENTE EUTRÓFICO A fraco textura argilosa (ocorre<br />

em âreas <strong>de</strong> simbolos PE26, PE27, PE30,<br />

PE36, PE37, PE41 e Rel4).<br />

36 — PODZÓLICO VERMELHO AMARELO EQUIVA-<br />

LENTE EUTRÓFICO A fraco textura argilosa cascalhenta<br />

(ocorre em âreas <strong>de</strong> sîmbolos PE32, PE35,<br />

PE38 e Re23).<br />

37 — PODZÓLICO VERMELHO AMARELO EQUIVA-<br />

LENTE EUTRÓFICO A fraco textura média (ocorre<br />

em ârea <strong>de</strong> simbolo NC13)".<br />

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

CONDIÇOES DO MEIO-AMBIENTE.<br />

Abränge âreas das zonas fisiogrâficas <strong>do</strong> Pereiro e Baturité e <strong>do</strong>s sertôes <strong>do</strong> Salga<strong>do</strong><br />

e Alto Jaguaribe, Su<strong>do</strong>este, Central, Centro-Norte e Médio Jaguaribe. Em<br />

sua gran<strong>de</strong> maioria, estes <strong>solos</strong> sâo <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> gnaisse e migmatito referi<strong>do</strong>s<br />

ao Pré-Cambriano Indiviso, com influência <strong>de</strong> material retrabalha<strong>do</strong> nos horizontes<br />

superficiais, fazen<strong>do</strong> excessâo as âreas <strong>de</strong> simbolos PE36 e Rel4 que se originam<br />

<strong>de</strong> recobrimento <strong>de</strong> material argilo-arenoso <strong>do</strong> Terciârio sobre o Pré-Cambriano<br />

e <strong>de</strong> recobrimento <strong>de</strong> material argilo-arenoso sobre calcârios, margas e<br />

folhelhos <strong>do</strong> Grupo Jaibaras <strong>do</strong> Cambro-Or<strong>do</strong>viciano respectivamente. Relevo<br />

pre<strong>do</strong>minantemente suave ondula<strong>do</strong> e ondula<strong>do</strong> ocorren<strong>do</strong> piano e forte ondula<strong>do</strong>;<br />

altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 1<strong>00</strong> a 550 métros. Clima. BSw'h' e Aw' <strong>de</strong> Koeppen e<br />

4aTh, 4bTh <strong>de</strong> Gaussen, com precipitaçâo pluviométrica média anual <strong>de</strong> 550 a<br />

1.1<strong>00</strong> mm. Vegetaçào <strong>de</strong> caatingas hipoxersfila e hiperxerófila.<br />

Situa-se em âreas das zonas fisiogrâficas <strong>do</strong> Litoral, Pereiro e <strong>do</strong>s sertôes Centro-<br />

Norte, Su<strong>do</strong>este, Salga<strong>do</strong> e Alto Jaguaribe. Compreen<strong>de</strong> <strong>solos</strong> origina<strong>do</strong>s <strong>de</strong> gnaisse,<br />

migmatito, micaxisto e granito, apresentan<strong>do</strong> em algumas âreas, recobrimento<br />

<strong>de</strong> material argilo-arenoso <strong>do</strong> Grupo Barreiras. Relevo varian<strong>do</strong> <strong>de</strong>s<strong>de</strong> piano<br />

até forte ondula<strong>do</strong>, com altitu<strong>de</strong> <strong>de</strong> 50 a 7<strong>00</strong> métros. Clima A\v' e BSw'h' <strong>de</strong><br />

Koeppen e 4bTh, 4aTh <strong>de</strong> Gaussen. Vegetaçào <strong>de</strong> caatinga hiperxerófila.<br />

Zona <strong>do</strong> Cariri. Abränge <strong>solos</strong> <strong>de</strong>riva<strong>do</strong>s <strong>de</strong> arenitos, siltitos e argilitos referi<strong>do</strong>s ao<br />

Jurâssico Superior. Relevo suave ondula<strong>do</strong>, altitu<strong>de</strong> varian<strong>do</strong> <strong>de</strong> 4<strong>00</strong> a 550 métros.<br />

Clima Aw' <strong>de</strong> Koeppen ë 4bTh <strong>de</strong> Gaussen, corn precipitaçâo pluviométrica<br />

média anuaî <strong>de</strong> 6<strong>00</strong> a 850 mm. Vegetaçâo <strong>de</strong> caatinga hiperxerófila.

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