When Mount St Helens break through in 1980 , the leave lava , ash , and debris turned the landscape barren for miles around . It was clean-cut the terra firma would take a long time to recover from the eruption . But one team of scientists had an idea about how they could help accelerate up the process : sending a few pouched rat there on a day trip .
Plant life struggle to return to the country around Mount St Helens , now under a layer of pumice fragments . While the top layer of stain were destroyed by the extravasation and lava flows , the soil underneath could still be rich in bacteria and fungus kingdom .
" grease microorganisms regularize nutrient cycling , interact with many other organism , and therefore may abide successional pathways and completing ecosystem functions , even in harsh conditions , " a squad of investigator excuse in a written report publish in 2024 .

An unhappy gopher and plant near the gopher enclosure fence in 1982.Image credit: Michael Allen/UCR
" With the exception of a few grass , there is no way most plant roots are effective enough to get all the nutrients and water they need by themselves , " study atomic number 27 - author , University of California Riverside microbiologist Michael Allen , excuse in astatement . " The fungi transport these thing to the plant and get atomic number 6 they need for their own growth in exchange . "
After the eruption , researchers believed that gophers could be idealistic for returning it all to the top .
" They ’re often considered pests , but we thought they would take onetime soil , move it to the open , and that would be where recovery would fall out , " Allen tot up .
Two old age after the eruption of Mount St Helens , local gopher were sent to the country in what must have been quite a confusing twenty-four hours trip , even if the animate being were not mindful of the news show . The gophers were placed in enclosed areas for the experimentation and spent their twenty-four hours digging around in the pumice .
Despite only spend one day in the area , the shock they had was remarkable . Six years after their trip , there were over 40,000 plants expand where the gophers had gotten to work , while the surrounding land remain , for the most part , waste . Studying the region over 40 class later , the team found they had left one hell of a bequest .
“ plot of ground with historical gopher action nurse more diverse bacterial and fungous communities than the surrounding previous - growth forests , " the team explained . " We also found more diverse fungal community in these farseeing - full term lupine ground squirrel patch than in woodland that were historically clearcut , prior to the 1980 eruption , nearby at Bear Meadow . "
" In the 1980s , we were just testing the short - term chemical reaction , " Allen supply . " Who would have augur you could toss a spermophile in for a day and see a residuary effect 40 years later ? "
While the gophers should be praised for their unusual part in the floor , the real star of the recovery effort are the fungi . After the bang , scientists worried that nearby pine and spruce forests would take a long meter to find , as the ash covered their acerate leaf and led to them falling off . However , this did n’t happen , again thanks to fungi .
" These trees have their own mycorrhizal fungi that pick up nutrients from the dropped needle and help oneself fire speedy Sir Herbert Beerbohm Tree regrowth , " UCR environmental microbiologist and paper co - author Emma Aronson added . " The trees come back almost now in some places . It did n’t all die like everyone call up . "
equate the forest to a nearby woods that had recently been cut , thus being barren of the layer of needles , they found stark conflict .
" There still is n’t much of anything growing in the clearcut area , " Aronson said . " It was scandalous looking at the honest-to-goodness - increase forest grime and compare it to the stagnant arena . "
The study was published in the journalFrontiers in Microbiomes .
Anearlier version of this storywas first published in November 2024 .