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The insects making a comeback in our lakes and rivers while mayflies surpass the levels of the 1970s

The insects that make a comeback in our lakes and rivers, such as mayflies, dragonflies and caddisflies, surpass the levels of the 1970s in remarkable recovery

  • Water-loving insects, including dragonflies and mayflies, are returning
  • Researchers believe that the spread of freshwater insects has surpassed the levels of the 1970s
  • But spiders, centipedes and centipede population have all fallen since 1970

Amid all the gloom about British nature, there is a glimpse of good news in our rivers, ponds and lakes.

The population of water-loving insects has been in decline since the 1970s and has recovered remarkably.

And scientists think it is a result of measures to improve air and water quality in the past half century.

The study published in the journal Nature Ecology and Evolution found that the spread of freshwater insects such as dragonflies, dragonflies and caddisflies has surpassed the levels of the 1970s. A mayfly is pictured above

The study published in the journal Nature Ecology and Evolution found that the spread of freshwater insects such as dragonflies, dragonflies and caddisflies has surpassed the levels of the 1970s. A mayfly is pictured above

The researchers looked at the spread of thousands of species between 1970 and 2015 – from dragonflies to ants and lichens – that have not been carefully examined before to see if their populations had collapsed in the same way as those of birds, butterflies and mammals.

They discovered that invertebrates on land, such as spiders, centipedes and centipedes, had seen an overall decline of seven percent since 1970.

But the study published in the journal Nature Ecology and Evolution discovered that the spread of freshwater insects such as dragonflies, dragonflies and caddisflies have surpassed the levels of the 1970s.

That follows a fall of almost half from 1970 to 1994, the researchers said.

But they also warned that the rises had to be seen against the backdrop of decline for two centuries.

Study co-author Professor Richard Gregory of University College London said: “Our findings show that policies aimed at protecting the natural environment work and can lead to positive change.”

Amid all the gloom about the state of Great Britain's wildlife, there is a glimpse of good news in our rivers, ponds and lakes. The population of water-loving insects has been in decline since the 1970s and has recovered remarkably. The river otter in Devon is pictured above

Amid all the gloom about the state of Britain's nature, there is a glimpse of good news in our rivers, ponds and lakes. The population of water-loving insects has been in decline since the 1970s and has recovered remarkably. The river otter in Devon is pictured above

Amid all the gloom about British nature, there is a glimpse of good news in our rivers, ponds and lakes. The population of water-loving insects has been in decline since the 1970s and has recovered remarkably. The river otter in Devon is pictured above

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