Australia y la planta más grande del mundo

Se trata de un organismo marino de unos 200 kilómetros cuadrados y alrededor de 4.500 años de antigüedad.

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Según se detalla en la revista Proceedings of the Royal Society B, fue descubierto por un grupo de científicos que recolectaban plantas en aguas del oeste de ese país.

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La investigación señala que los 18.000 marcadores recolectados en la Bahía Shark pertenecían a un único espécimen, que posee una superficie tres veces mayor a la isla de Manhattan.

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Esta enorme planta es una especie de la hierba marina "Posidonia australis", también conocida como hierba bola de fibra o hierba cinta, común en aguas del sur de Australia.

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Los especialistas creen que ha sobrevivido durante siglos gracias a la abundancia de luz, bajos niveles de nutrientes, grandes fluctuaciones de temperatura y alta salinidad.

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Crece alrededor de 35 centímetros al año, por eso se estima que tiene unos 4.500 años de antigüedad.

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Además de su enorme tamaño, se distingue de otras hierbas por ser poliploide, es decir que tiene el doble de cromosomas que sus parientes oceánicos.

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