Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern Alaska
Previous Eriophorum vaginatum studies have detected adaptational lag in response to climate change. We revisited this concept through a short-term reciprocal transplant experiment combined with warming via open-top chambers (OTCs). We asked: 1) if population growth rates of different ecotypes respon...
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| Format: | Article |
| Language: | English |
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Canadian Science Publishing
2025-08-01
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| Series: | Arctic Science |
| Online Access: | https://cdnsciencepub.com/doi/10.1139/as-2025-0006 |
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| author | Jennifer Lynn Chandler James B McGraw Michael L Moody Jianwu Tang Janice Voltzow Ned Fetcher |
| author_facet | Jennifer Lynn Chandler James B McGraw Michael L Moody Jianwu Tang Janice Voltzow Ned Fetcher |
| author_sort | Jennifer Lynn Chandler |
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| description | Previous Eriophorum vaginatum studies have detected adaptational lag in response to climate change. We revisited this concept through a short-term reciprocal transplant experiment combined with warming via open-top chambers (OTCs). We asked: 1) if population growth rates of different ecotypes responded differently to reciprocal transplant, 2) if home-site advantage existed, and 3) if an interaction of ecotype, transplant garden, and OTC treatment existed. We established three transplant gardens, two north of the Brooks Range (Toolik and Sagwon) and one south (Coldfoot); OTCs were deployed in northern gardens. We censused tillers in 2016 and 2017. Lefkovitch matrices were jackknifed using Yellow Taxi Analysis to quantify each tiller’s contribution to population growth rate, which were incorporated into nested ANOVAs. Of tussocks grown in ambient temperature, mean tiller population growth from different source ecotypes did not respond differently to transplant. Home site advantage was not observed among tillers not exposed to warming via OTC, which may indicate adaptational lag is occurring. Mean population growth rate of OTC-exposed tillers was higher at Toolik than Sagwon. This study’s short duration likely limited our ability to detect differences in tiller population growth as a function of garden or ecotype, emphasizing the need for long-term monitoring. |
| format | Article |
| id | doaj-art-54a2a01ac60042ce89a710982d22ad40 |
| institution | Kabale University |
| issn | 2368-7460 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Canadian Science Publishing |
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| series | Arctic Science |
| spelling | doaj-art-54a2a01ac60042ce89a710982d22ad402025-08-22T21:37:29ZengCanadian Science PublishingArctic Science2368-74602025-08-0110.1139/as-2025-0006Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern AlaskaJennifer Lynn Chandler0James B McGraw1Michael L Moody2Jianwu Tang3Janice Voltzow4Ned Fetcher5West Chester University of Pennsylvania, Biology, West Chester, Pennsylvania, United States, ;West Virginia University, Biology, Morgantown, West Virginia, United States;The University of Texas at El Paso, Biological Sciences, El Paso, Texas, United States;Marine Biological Laboratory, Woods Hole, Massachusetts, United States;University of Scranton, Biology, Scranton, Pennsylvania, United States;Wilkes University, Institute for Environmental Science and Sustainability, Wilkes-Barre, Pennsylvania, United States;Previous Eriophorum vaginatum studies have detected adaptational lag in response to climate change. We revisited this concept through a short-term reciprocal transplant experiment combined with warming via open-top chambers (OTCs). We asked: 1) if population growth rates of different ecotypes responded differently to reciprocal transplant, 2) if home-site advantage existed, and 3) if an interaction of ecotype, transplant garden, and OTC treatment existed. We established three transplant gardens, two north of the Brooks Range (Toolik and Sagwon) and one south (Coldfoot); OTCs were deployed in northern gardens. We censused tillers in 2016 and 2017. Lefkovitch matrices were jackknifed using Yellow Taxi Analysis to quantify each tiller’s contribution to population growth rate, which were incorporated into nested ANOVAs. Of tussocks grown in ambient temperature, mean tiller population growth from different source ecotypes did not respond differently to transplant. Home site advantage was not observed among tillers not exposed to warming via OTC, which may indicate adaptational lag is occurring. Mean population growth rate of OTC-exposed tillers was higher at Toolik than Sagwon. This study’s short duration likely limited our ability to detect differences in tiller population growth as a function of garden or ecotype, emphasizing the need for long-term monitoring.https://cdnsciencepub.com/doi/10.1139/as-2025-0006 |
| spellingShingle | Jennifer Lynn Chandler James B McGraw Michael L Moody Jianwu Tang Janice Voltzow Ned Fetcher Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern Alaska Arctic Science |
| title | Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern Alaska |
| title_full | Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern Alaska |
| title_fullStr | Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern Alaska |
| title_full_unstemmed | Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern Alaska |
| title_short | Reassessing Adaptational Lag in Eriophorum vaginatum: Short-Term Responses to Reciprocal Transplant and Passive Warming Experiments in Northern Alaska |
| title_sort | reassessing adaptational lag in eriophorum vaginatum short term responses to reciprocal transplant and passive warming experiments in northern alaska |
| url | https://cdnsciencepub.com/doi/10.1139/as-2025-0006 |
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