Some marine species like mussels can help protect others from climate change by shielding them from heat, according to a new study.
Researchers studied how tiny crabs and isopods—marine versions of pill bugs—that live on rocky shores react to warming of their natural rocky shore habitats. They found that the mussel beds these animals live in protect them from temperature swings and keep them from drying out and dying on hot, sunny days.
“These mussel beds provide a sort of ‘ecological air conditioning system’ within their canopies, just like forests,” says Laura Jurgens, assistant professor of marine biology at Texas A&M University.
“The results show how conserving habitats formed by plants and animals can help buy time for heat-sensitive species, helping them weather the near-term effects of climate change. But it also means that habitat destruction can make other species more vulnerable to climate warming.”
The research was conducted in marine areas near Bodega Bay in northern California. Without the protection of mussel beds, some marine species cannot survive under present-day conditions, Jurgens says.
“But they can tolerate even a worse-case climate scenario for perhaps as long as the year 2099 as the mussel bed environment remains intact,” she says.
“This research shows that it’s more important than ever to protect vulnerable habitats like mussel beds, which are threatened by trampling and destructive recreational harvests of mussels in many coastal areas of the US.”
Additional coauthors of the study, which appears in the journal Ecology, are from the University of Vermont and the University of California, Davis. The National Science Foundation supported the work.
Source: Texas A&M University
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