Ciclos de vida de insectos dulceacuícolas y cambio climático global en la ecorregión subantártica de Magallanes: investigaciones ecológicas a largo plazo en el Parque Etnobotánico Omora, Reserva de Biosfera Cabo de Hornos (55° S)

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This article describes long-term studies the diversity, distribution and life histories of aquatic insects associated with the Róbalo River and other streams on Navarino Island.

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9 p.

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Contador, Tamara; Kennedy, James H.; Ojeda, Jaime; Feinsinger, Peter & Rozzi, Ricardo October 14, 2014.

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  • Contador, Tamara Universidad de Magallanes; Instituto de Ecologia y Biodiversidad; Parque Etnobotánico Omora
  • Kennedy, James H. Universidad de Magallanes; Parque Etnobotánico Omora; University of North Texas; Northern Arizona University
  • Ojeda, Jaime Universidad de Magallanes; Instituto de Ecologia y Biodiversidad; Parque Etnobotánico Omora
  • Feinsinger, Peter Northern Arizona University; Wildlife Conservation Society
  • Rozzi, Ricardo Universidad de Magallanes; Instituto de Ecologia y Biodiversidad; Parque Etnobotánico Omora; University of North Texas

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  • Main Title: Ciclos de vida de insectos dulceacuícolas y cambio climático global en la ecorregión subantártica de Magallanes: investigaciones ecológicas a largo plazo en el Parque Etnobotánico Omora, Reserva de Biosfera Cabo de Hornos (55° S)
  • Parallel Title: Life cycles of freshwater invertebrates and global climate change in the sub-Antarctic Magellanic ecoregion: long-term ecological research at the Omora Ethonobotanical Park, Biosphere Reserve Cape Horn (55° S)

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Description

This article describes long-term studies the diversity, distribution and life histories of aquatic insects associated with the Róbalo River and other streams on Navarino Island.

Physical Description

9 p.

Notes

Resumen: El Parque Etnobotánico Omora, ubicado en la ecorregión subantártica y en la Reserva de Biosfera Cabo de Hornos (55° S) es el sitio
más austral de la red LTSER-Chile. El Parque protege la cuenca hidrográfica del río Róbalo, que provee de agua a Puerto Williams,
la capital de la Provincia Antártica Chilena. El año 2008, se inició un estudio a largo plazo sobre la diversidad, historias de vida y
distribución de insectos acuáticos asociados al río Róbalo, y otros cursos de agua en la isla Navarino. Estos estudios son de gran
interés para la red LTSER-Chile y la ciencia mundial por tres razones: 1) las características climáticas únicas de los ecosistemas
dulceacuícolas de la ecorregión subantártica de Magallanes, que contrastan con aquellas del Hemisferio Norte; 2) las respuestas de
los insectos dulceacuícolas y sus ciclos de vida son muy sensibles a la temperatura, y bajo condiciones de gradientes térmicos del
gradiente altitudinal del río Róbalo se pueden hacer predicciones bajo distintos escenarios de Cambio Climático Global; y 3) los ciclos
de vida de insectos dulceacuícolas han sido muy poco estudiados en el suroeste de Sudamérica, e incorporando el gradiente latitudinal
con estudios similares de respuestas fenológicas de los insectos dulceacuícolas incorporando otros sitios de la Red LTSER-Chile
permitiría evaluar señales tempranas de esta biota al cambio climático global.

Abstract: The Omora Ehtonobotanical Park (55° S) is the southernmost site of the LTSER network-Chile and the interdisciplinary research
center of the Cape Horn Biosphere Reserve in the sub-Antarctic Magellanic ecoregion. The park protects the Róbalo River watershed
that provides water to Puerto Williams, the capital of the Chilean Antarctic Province. In 2008, we initiated long-term studies on the
diversity, distribution and life histories of aquatic insects associated with the Róbalo River and other streams on Navarino Island. These
studies are of major interest to the LTSER-Chile network and to world science for three reasons: 1) the unique climatic characteristics
of the sub-Antarctic Magellanic ecoregion, which contrast with those of the Northern Hemisphere; 2) responses of freshwater insects
and their life cycles are very sensitive to temperature, and along the thermic variations associated with the altitudinal gradient of the
Róbalo River we can make predictions for various scenarios of Global Climate Change; 3) the life cycles of freshwater insects have
been understudied in southwestern South America, and by incorporating similar studies of phenological responses of freshwater insects
at other sites LTSER-Chile sites along a latitudinal gradient will allow us to assess early signals of this biota to global climate change.

Source

  • BOSQUE, 2014. Valdivia, Chile: Universidad Austral de Chile

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  • Publication Title: BOSQUE
  • Volume: 35
  • Issue: 3
  • Pages: 429-437
  • Peer Reviewed: Yes

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  • October 14, 2014

Submitted Date

  • July 10, 2014

Added to The UNT Digital Library

  • June 26, 2018, 9:56 p.m.

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Contador, Tamara; Kennedy, James H.; Ojeda, Jaime; Feinsinger, Peter & Rozzi, Ricardo. Ciclos de vida de insectos dulceacuícolas y cambio climático global en la ecorregión subantártica de Magallanes: investigaciones ecológicas a largo plazo en el Parque Etnobotánico Omora, Reserva de Biosfera Cabo de Hornos (55° S), article, October 14, 2014; Valdivia, Chile. (digital.library.unt.edu/ark:/67531/metadc1181157/: accessed January 20, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.