Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado

Abstract The aim of this study was to determine which environmental variables are responsible for modern benthic chironomid distributions in a glacial setting. The chironomid communities from nine alpine lakes were assessed, and forty-three individual taxa were extracted and identified. Surface wate...

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Autor principal:	Danielle R. Haskett Jennings
Formato:	article
Lenguaje:	EN
Publicado:	Springer 2021
Materias:	Chironomid Modern distribution Glacier meltwater Nitrogen Alpine Glacial retreat Science Q Technology T
Acceso en línea:	https://doaj.org/article/fecfd8cd6482405f91f51282c3d82301
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spelling	oai:doaj.org-article:fecfd8cd6482405f91f51282c3d823012021-11-08T10:44:23ZDoes glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado10.1007/s42452-021-04835-72523-39632523-3971https://doaj.org/article/fecfd8cd6482405f91f51282c3d823012021-11-01T00:00:00Zhttps://doi.org/10.1007/s42452-021-04835-7https://doaj.org/toc/2523-3963https://doaj.org/toc/2523-3971Abstract The aim of this study was to determine which environmental variables are responsible for modern benthic chironomid distributions in a glacial setting. The chironomid communities from nine alpine lakes were assessed, and forty-three individual taxa were extracted and identified. Surface water temperature and nitrate were strongly and negatively correlated (−0.82, p = 0.007), suggesting that glacial meltwater (the driver that explains both surface water temperature (SWT) (°C) and nitrate (NO3 + NO2-N)) is the environmental variable that explains the most variance (15%). On average, lakes receiving glacial meltwater were 2.62 °C colder and contained 66% more NO3 + NO2-N than lakes only receiving meltwater from snow. The presence of taxa from the tribe Diamesinae indicates very cold input from running water, and these taxa may be used as a qualitative indicator species for the existence of glacial meltwater within a lake catchment. Heterotrissocladius, Diamesa spp., and Pseudodiamesa were present in the coldest lakes. Chironomus, Diplocladius, and Protanypus were assemblages found in cold lakes affiliated with the littoral zone or alpine streams. The modern benthic chironomid communities collected from the alpine of subalpine lakes of Rocky Mountain National Park, Colorado, represent a range of climatic and trophic influences and capture the transition from cold oligotrophic lakes to warmer and eutrophic conditions.Danielle R. Haskett JenningsSpringerarticleChironomidModern distributionGlacier meltwaterNitrogenAlpineGlacial retreatScienceQTechnologyTENSN Applied Sciences, Vol 3, Iss 12, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chironomid Modern distribution Glacier meltwater Nitrogen Alpine Glacial retreat Science Q Technology T
spellingShingle	Chironomid Modern distribution Glacier meltwater Nitrogen Alpine Glacial retreat Science Q Technology T Danielle R. Haskett Jennings Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado
description	Abstract The aim of this study was to determine which environmental variables are responsible for modern benthic chironomid distributions in a glacial setting. The chironomid communities from nine alpine lakes were assessed, and forty-three individual taxa were extracted and identified. Surface water temperature and nitrate were strongly and negatively correlated (−0.82, p = 0.007), suggesting that glacial meltwater (the driver that explains both surface water temperature (SWT) (°C) and nitrate (NO3 + NO2-N)) is the environmental variable that explains the most variance (15%). On average, lakes receiving glacial meltwater were 2.62 °C colder and contained 66% more NO3 + NO2-N than lakes only receiving meltwater from snow. The presence of taxa from the tribe Diamesinae indicates very cold input from running water, and these taxa may be used as a qualitative indicator species for the existence of glacial meltwater within a lake catchment. Heterotrissocladius, Diamesa spp., and Pseudodiamesa were present in the coldest lakes. Chironomus, Diplocladius, and Protanypus were assemblages found in cold lakes affiliated with the littoral zone or alpine streams. The modern benthic chironomid communities collected from the alpine of subalpine lakes of Rocky Mountain National Park, Colorado, represent a range of climatic and trophic influences and capture the transition from cold oligotrophic lakes to warmer and eutrophic conditions.
format	article
author	Danielle R. Haskett Jennings
author_facet	Danielle R. Haskett Jennings
author_sort	Danielle R. Haskett Jennings
title	Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado
title_short	Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado
title_full	Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado
title_fullStr	Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado
title_full_unstemmed	Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado
title_sort	does glacial retreat impact benthic chironomid communities? a case study from rocky mountain national park, colorado
publisher	Springer
publishDate	2021
url	https://doaj.org/article/fecfd8cd6482405f91f51282c3d82301
work_keys_str_mv	AT daniellerhaskettjennings doesglacialretreatimpactbenthicchironomidcommunitiesacasestudyfromrockymountainnationalparkcolorado
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Does glacial retreat impact benthic chironomid communities? A case study from Rocky Mountain National Park, Colorado

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