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Autore principale:	J. A. Rojo Vázquez
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Universidad Autónoma de Baja California 1999
Soggetti:	Ciencias de la Tierra México Jalisco Lutjanidae selectividad redes de enmalle
Accesso online:	https://www.redalyc.org/articulo.oa?id=48025110
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Selectividad de redes de enmalle para el pargo lunarejo (lutjanus guttatus) y el pargo alazán (lutjanus argentiventris) en Bahía de Navidad, Jalisco, México J. A. Rojo Vázquez F. Arreguín Sánchez M. Ramírez Rodríguez Enrique Godínez Domínguez Ciencias de la Tierra México Jalisco Lutjanidae selectividad redes de enmalle Con el fin de determinar la selectividad de redes de enmalle para los pargos Lutjanus guttatus y L.argentiventris en la zona de Bahía de Navidad, Jalisco (México), se analizó la captura obtenida con redesde 7.62 y 8.89 cm de luz de malla. Se capturaron 475 organismos de L. guttatus y 134 organismos de L.argentiventris. Los resultados muestran que la red de 8.89 cm de tamaño de malla captura organismos queen promedio son 4 cm más grandes y 110 g más pesados que los capturados por la red de 7.62 cm. Para L.guttatus, se obtuvo una longitud óptima de 29.1 cm de longitud total para la red de 7.62 cm y de 33.9 cmpara la red de 8.89 cm. Para L. argentiventris, la longitud óptima calculada fue de 28.9 y 33.7 cm para lasredes de 8.89 y 7.62 cm, respectivamente. Si bien la red de 7.62 cm obtuvo una mayor captura, tanto ennúmero como en biomasa, la red de 8.89 cm asegura que los organismos ya se hayan reproducido almenos una vez al momento de ser capturados. 1999 otro 0185-3880 https://www.redalyc.org/articulo.oa?id=48025110 es http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.1 Vol.25

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// 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 0; } /** * 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, $data): bool { if ($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): bool; }

* * @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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