2021
DOI: 10.4067/s0717-66432021000100065
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Distribución en Chile y colonización del río Cayumapu (Valdivia) por el macrófito acuático invasor Limnobium laevigatum

Abstract: Limnobium laevigatum es una hierba acuática invasora que, aumentando su área de distribución en Chile, ha desplazado especies nativas de su lugar en la zonación litoral de los cuerpos límnicos. Se estudia la producción estacional de biomasa y la reproducción de esta especie en el Santuario de la Naturaleza "Carlos Anwandter" en Valdivia, Chile. Se establece el cambio experimentado en la zonación litoral del río debido a la invasividad de esta especie, que fue favorecida por la eutrofización de las aguas. La bi… Show more

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“…Found in the tropics and subtropics [ 22 , 25 ], H. laevigata grows in a variety of freshwater habitats, such as shallow ponds; lakes; dams; reservoirs; pools; and the margins of slow shady rivers, canals, and ditches; environments with a high degree of eutrophication are particularly hospitable [ 26 , 27 ]. The species occurs at elevations from sea level all the way up to 2800 m. It is absent from fast-flowing watercourses [ 21 , 22 , 26 , 28 ], and cold temperatures limit its distribution [ 25 ].…”
Section: Resultsmentioning
confidence: 99%
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“…Found in the tropics and subtropics [ 22 , 25 ], H. laevigata grows in a variety of freshwater habitats, such as shallow ponds; lakes; dams; reservoirs; pools; and the margins of slow shady rivers, canals, and ditches; environments with a high degree of eutrophication are particularly hospitable [ 26 , 27 ]. The species occurs at elevations from sea level all the way up to 2800 m. It is absent from fast-flowing watercourses [ 21 , 22 , 26 , 28 ], and cold temperatures limit its distribution [ 25 ].…”
Section: Resultsmentioning
confidence: 99%
“…The floating rosettes send out stolons bearing ramets on their ends [ 29 ]. The rosettes are easily dislodged by waterfowl or large mammals in the species’ native range [ 26 ], as well as by water currents or other types of water movement in general. Consequently, H. laevigata is able to rapidly and efficiently colonise suitable new habitats [ 28 ].…”
Section: Resultsmentioning
confidence: 99%
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