Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales
Given the major ecological and evolutionary role of dispersal abilities for organisms, as well as the current interest in species' potential for further migration and colonization as a result of climatic changes or human-mediated invasions, our knowledge about dispersal abilities on spatial and...
Published in: | Frontiers in Ecology and Evolution |
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Online Access: | https://doi.org/10.3389/fevo.2019.00074 https://doaj.org/article/760e871b2bec4e7987f897fcf13e153e |
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ftdoajarticles:oai:doaj.org/article:760e871b2bec4e7987f897fcf13e153e 2023-05-15T18:29:52+02:00 Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales Dag O. Hessen Thomas C. Jensen Bjørn Walseng 2019-03-01T00:00:00Z https://doi.org/10.3389/fevo.2019.00074 https://doaj.org/article/760e871b2bec4e7987f897fcf13e153e EN eng Frontiers Media S.A. https://www.frontiersin.org/article/10.3389/fevo.2019.00074/full https://doaj.org/toc/2296-701X 2296-701X doi:10.3389/fevo.2019.00074 https://doaj.org/article/760e871b2bec4e7987f897fcf13e153e Frontiers in Ecology and Evolution, Vol 7 (2019) birds dispersal lakes ponds sorting microcrustacean zooplankton Evolution QH359-425 Ecology QH540-549.5 article 2019 ftdoajarticles https://doi.org/10.3389/fevo.2019.00074 2022-12-31T12:47:19Z Given the major ecological and evolutionary role of dispersal abilities for organisms, as well as the current interest in species' potential for further migration and colonization as a result of climatic changes or human-mediated invasions, our knowledge about dispersal abilities on spatial and temporal scales in many taxa is surprisingly limited. Zooplankton inhabit lakes and ponds that functionally are “aquatic islands” in the landscape, and both community composition and richness depend on their ability to disperse, and their post-dispersal colonization abilities. We here assess the diversity and dispersal of freshwater microcrustaceans based on three types of data; (1) > 2000 lakes on mainland Norway spanning a wide range in longitude, latitude and altitude, (2) a more limited number of ponds at Svalbard that are differently affected by migrating birds, and (3) immigration and colonization of recently constructed wetlands and man-made ponds. At all scales we discuss whether observed patterns in diversity can be explicitly linked to birds as vectors, or if confounding factors such as climate, productivity, age of locality—or other means of immigration, precludes conclusive evidence. The spatial patterns of zooplankton distribution strongly suggest that local sorting is a major determinant of richness and community composition. This sorting may not necessarily lead to similar community composition (the “quorum effect”) however. Despite the fact that rapid colonization occurs at local scales, and that birds undoubtedly can transmit animals or resting stages, their role in modulating community structure and richness is still an unsettled issue due to the many confounding parameters. The fact that birds often play a dual role in shaping diversity and community composition, first by direct dispersal, and secondly via affecting post-dispersal species sorting by changing water quality and productivity, is an important aspect of zoochory. Direct experimental evidence (colonization with and without bird exclusion), ... Article in Journal/Newspaper Svalbard Directory of Open Access Journals: DOAJ Articles Svalbard Norway Frontiers in Ecology and Evolution 7 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
birds dispersal lakes ponds sorting microcrustacean zooplankton Evolution QH359-425 Ecology QH540-549.5 |
spellingShingle |
birds dispersal lakes ponds sorting microcrustacean zooplankton Evolution QH359-425 Ecology QH540-549.5 Dag O. Hessen Thomas C. Jensen Bjørn Walseng Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales |
topic_facet |
birds dispersal lakes ponds sorting microcrustacean zooplankton Evolution QH359-425 Ecology QH540-549.5 |
description |
Given the major ecological and evolutionary role of dispersal abilities for organisms, as well as the current interest in species' potential for further migration and colonization as a result of climatic changes or human-mediated invasions, our knowledge about dispersal abilities on spatial and temporal scales in many taxa is surprisingly limited. Zooplankton inhabit lakes and ponds that functionally are “aquatic islands” in the landscape, and both community composition and richness depend on their ability to disperse, and their post-dispersal colonization abilities. We here assess the diversity and dispersal of freshwater microcrustaceans based on three types of data; (1) > 2000 lakes on mainland Norway spanning a wide range in longitude, latitude and altitude, (2) a more limited number of ponds at Svalbard that are differently affected by migrating birds, and (3) immigration and colonization of recently constructed wetlands and man-made ponds. At all scales we discuss whether observed patterns in diversity can be explicitly linked to birds as vectors, or if confounding factors such as climate, productivity, age of locality—or other means of immigration, precludes conclusive evidence. The spatial patterns of zooplankton distribution strongly suggest that local sorting is a major determinant of richness and community composition. This sorting may not necessarily lead to similar community composition (the “quorum effect”) however. Despite the fact that rapid colonization occurs at local scales, and that birds undoubtedly can transmit animals or resting stages, their role in modulating community structure and richness is still an unsettled issue due to the many confounding parameters. The fact that birds often play a dual role in shaping diversity and community composition, first by direct dispersal, and secondly via affecting post-dispersal species sorting by changing water quality and productivity, is an important aspect of zoochory. Direct experimental evidence (colonization with and without bird exclusion), ... |
format |
Article in Journal/Newspaper |
author |
Dag O. Hessen Thomas C. Jensen Bjørn Walseng |
author_facet |
Dag O. Hessen Thomas C. Jensen Bjørn Walseng |
author_sort |
Dag O. Hessen |
title |
Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales |
title_short |
Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales |
title_full |
Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales |
title_fullStr |
Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales |
title_full_unstemmed |
Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales |
title_sort |
zooplankton diversity and dispersal by birds; insights from different geographical scales |
publisher |
Frontiers Media S.A. |
publishDate |
2019 |
url |
https://doi.org/10.3389/fevo.2019.00074 https://doaj.org/article/760e871b2bec4e7987f897fcf13e153e |
geographic |
Svalbard Norway |
geographic_facet |
Svalbard Norway |
genre |
Svalbard |
genre_facet |
Svalbard |
op_source |
Frontiers in Ecology and Evolution, Vol 7 (2019) |
op_relation |
https://www.frontiersin.org/article/10.3389/fevo.2019.00074/full https://doaj.org/toc/2296-701X 2296-701X doi:10.3389/fevo.2019.00074 https://doaj.org/article/760e871b2bec4e7987f897fcf13e153e |
op_doi |
https://doi.org/10.3389/fevo.2019.00074 |
container_title |
Frontiers in Ecology and Evolution |
container_volume |
7 |
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1766213287517618176 |