Le littoral face aux pollutions

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Détails bibliographiques
Publié dans:	Géosciences No 17
Auteur principal:	Le Guern, Cécile.
Autres auteurs:	Conil, Pierre.
Support:	Article de revue
Langue:	Français
Publié:	2013.
Sujets:	Articles de périodiques
Résumé:	Le littoral, siège de nombreuses activités économiques - industrie, pêche, commerce, tourisme- est confronté à des pressions anthropiques croissantes et à de forts enjeux sanitaires (qualité des eaux de baignades, ressource halieutique...). Les milieux littoraux correspondent à des interfaces très riches en termes faunistiques. Ils sont particulièrement vulnérables aux pollutions, qu'elles soient de type physique (température, radioactivité, matières en suspensions, déchets), chimique (composés inorganiques et organiques) ou biologiques (bactéries, virus...).
Lien:	Dans: Géosciences

BU Sciences

	Localisation	Cote	Statut
n° 17 (2013)	Archives	570 RS GEO	Dispo. du n° : voir "Lien"

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return true; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data) { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data); }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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Le littoral face aux pollutions

BU Sciences

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