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FEATURE

The NAS Alert System: A Look at the First Eight Years

El Sistema de Alertas EAN: una Mirada a los Ocho Primeros Años

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Pages 128-138 | Published online: 21 Mar 2013
 

ABSTRACT

The U.S. Geological Survey's Nonindigenous Aquatic Species (NAS) database program (http://nas.er.usgs.gov) tracks the distribution of introduced aquatic organisms across the United States. Awareness of, and timely response to, novel species introductions by those involved in nonindigenous aquatic species management and research requires a framework for rapid dissemination of occurrence data as it is incorporated into the NAS database. In May 2004, the NAS program developed an alert system to notify registered users of new introductions as part of a national early detection/rapid response system. This article summarizes information on system users and dispatched alerts from the system's inception through the end of 2011. The NAS alert system has registered over 1,700 users, with approximately 800 current subscribers. A total of 1,189 alerts had been transmitted through 2011. More alerts were sent for Florida (134 alerts) than for any other state. Fishes comprise the largest taxonomic group of alerts (440), with mollusks, plants, and crustaceans each containing over 100 alerts. Most alerts were for organisms that were intentionally released (414 alerts), with shipping, escape from captivity, and hitchhiking also representing major vectors. To explore the archive of sent alerts and to register, the search and signup page for the alert system can be found online at http://nas.er.usgs.gov/AlertSystem/default.aspx.

RESUMEN

la base de datos de Especies Acuáticas No-indígenas (EAN) perteneciente al Sondeo Geológico de los Estados Unidos de Norteamérica (http://nas.er.usgs.gov) rastrea la distribución de organismos acuáticos introducidos a lo largo de los EEUU. La concientización de, y la respuesta oportuna a la introducción de especies foráneas que brindan los involucrados en el manejo e investigación de especies acuáticas no-indígenas, requiere un andamiaje que permita una rápida diseminación de datos de ocurrencia a medida que se incorporan a la base de datos de EAN. En mayo del 2004, como parte de un sistema nacional de detección rápida/temprana, el programa EAN desarrolló un sistema de alerta para notificar a los usuarios registrados de nuevas introducciones. En esta contribución se resume la información de los usuarios del sistema y las alertas despachadas desde la creación del sistema hasta finales del 2011. En el sistema de alertas EAN se han registrado más de 1,700 usuarios, con aproximadamente 800 suscriptores hasta el momento. Un total de 1,189 alertas se han transmitido durante 2011. En comparación a cualquier otro estado, la mayor parte de las alertas se enviaron a Florida (134). Los peces representan el grupo taxonómico más grande (440) de las alertas, seguidos de los moluscos, plantas y crustáceos, con más de 100 alertas cada uno. La mayoría de las alertas se trataban de organismos que fueron liberados intencionalmente (414 alertas), siendo los principales vectores las embarcaciones, fuga de cautiverios y el transporte involuntario. Para explorar los archivos de alertas enviadas y registrarse en línea, se puede acceder a la página http://nas.er.usgs.gov/AlertSystem/default.aspx.

ACKNOWLEDGMENTS

The NAS program and staff thank state and federal ANS coordinators, as well as many other biologists and the general public for reporting these occurrences to us. We also thank our funders: the U.S. Geological Survey's Invasive Species Program and National Biological Information Infrastructure, the U.S. Fish and Wildlife Service, and the National Oceanic and Atmospheric Administration. Use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

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