2017
DOI: 10.5324/fn.v37i0.2194
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Mass aggregations of Bibio pomonae (Insecta: Diptera: Bibionidae), an indication of climate change?

Abstract: <p>Examination of stomach contents of the brown trout is a sensitive method to evaluate the animals occurring in a lake and its surroundings. Yearly test fishing from Lake Sandvatn at the Hardangervidda Mountain plateau in August has shown regular occurrence of <em>Bibio pomonae</em> in the brown trout stomachs every third year since 2001. The stomach fullness and selectivity for other food items is influenced by the local weather conditions, but in calm and sunny weather, mass aggregation of… Show more

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Cited by 5 publications
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“…They key question for our study system might be how the pattern of Bibio pomonae flies' mass emergence will be affected by climate change. Qvenild and Rognerud (2017) indicate that in southern Norway mass, swarming of Bibio pomonae has increased due to climate change and that swarming occurs at higher elevations, which seems a favourable development for shorebirds breeding in the sub-arctic. It is unclear whether Bibio pomonae is at the same time also spreading to more northern altitudes, and thus, whether arctic shorebirds could also profit from this additional food source.…”
Section: Discussionmentioning
confidence: 97%
“…They key question for our study system might be how the pattern of Bibio pomonae flies' mass emergence will be affected by climate change. Qvenild and Rognerud (2017) indicate that in southern Norway mass, swarming of Bibio pomonae has increased due to climate change and that swarming occurs at higher elevations, which seems a favourable development for shorebirds breeding in the sub-arctic. It is unclear whether Bibio pomonae is at the same time also spreading to more northern altitudes, and thus, whether arctic shorebirds could also profit from this additional food source.…”
Section: Discussionmentioning
confidence: 97%