Tag: "mayfly" at biology news
Special section: Invasive species
... The widespread brown trout eat five times as many mayfly
larvae and other stream invertebrates, increasing the algae level six times and decreasing the nutrient levels in the water. Moreover, streams with brown trout often do not have native fish. But there is little support for eradicating the brown trout...
Fossil mayflies can be used to 'weigh' ancient atmospheres
...sity geologist. Because that insect -- the common mayfly
-- has persisted with little change since its appe...ewing must be in relation to the pterothorax for a mayfly
to be able to dance. Citing evidence (plotted in the diagram) that the wing's relative size is pract...
USGS releases assessment of nation's biological resources
...h, in turn, has sparked the resurgence ofburrowing mayfly
populations in Lake Erie. In addition, many of the nation'sraptor populations are recovering from past declines caused by the pesticideDDT. "Still," said Mac, "the report documents the status and trends of individualspecies and particular habitats, w...
Burrowing mayfly swarms signal a healthier ecosystem, USGS scientists say
...se of the early twentieth century. Edsall says the mayfly
recovery is a strong sign that improvements in wat...mains that provide a continuous recordof burrowing mayfly
densities in different regions of the lake. Otherinformation comes from periodic sampling of nymph p...