ຄລິບ Beaver ສ້າງເຂື່ອນກັ້ນນໍ້າ

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ມາຊົມຄລິບໜູບີເວີ Beaver ສ້າງເຂື່ອນກັ້ນນໍ້າ ເຫັນແລ້ວຕ້ອງຊົມເຊີຍ ກັບຄວາມສາມາດ ແລະ ພະຍາຍາມ.

Beavers, our native landscape engineersBeavers do all the work of damming up the streams and gullies for us, free of charge. And it is the key to restoring landcapes and making them water retentive.Beavers make a better job than humans at slowing the flow of water and at much lower cost, so long as we provide them with the trees they need to eat and build their dams with, and give them the freedom to reproduce and spread across the uplands and valleys to recreate truly living landscapes.We should therefore select water-loving species that are palatable to beavers – like poplars, willows, sallows and alders – and establish them along watercourses, ditches, streams, ponds and eroded upland gullies.The dams would not just reduce flood risk: they would also prevent the summer droughts as a result of the rapid water drainage, and restore healthy river flows throughout the year.+ Oliver Tickell / The Ecologist – Official Page

Posted by Avantgardens on Friday, October 6, 2017

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