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Are dragonflies going extinct? Expert says unlikely – Saskatoon

Will dragonflies be right here sooner or later?

A neighborhood professional says that the suggestion is slightly outlandish.

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Saskatchewan Polytechnic Faculty of Pure Sources and Constructed Atmosphere Analysis Chair David Halstead says the dragonfly has been round for over 300 million years and aren’t disappearing. Nevertheless, their numbers have declined just lately resulting from excessive warmth and drought situations in Saskatchewan.

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“We had drought situations final yr, inflicting the water (in non permanent ponds) to dry up. That performs havoc on dragonflies which have a have a really short-term improvement time on these ponds,”

Halstead says they’re an indicator and bug of significance to the well-being of their fast setting as nicely.

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“Dragonflies are wonderful macro-ecological indicators. We must always be capable of use them to observe adjustments occurring within the setting and local weather,” stated Halstead. “They’re only a nice organism, they survived the elimination of the dinosaurs. Local weather change will not be going to do it. They’re nonetheless right here.”

There are between 50 to 70 species of dragonflies in Saskatchewan.

He additionally provides one in all their important meals sources has been in abundance this yr due to the drop in numbers.

“One among their important meals sources is mosquitos, and there may be actually a surplus of them out this yr in comparison with final,” stated Halstead.


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