Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX
As climate change accelerates in northern latitudes, there is an increasing need to understand the role of climate in influencing predator-prey systems. We investigated wolf population dynamics and numerical response in Denali National Park and Preserve in Alaska, United States from 1986 to 2016 und...
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ftfrontimediafig:oai:figshare.com:article/19306100 2023-05-15T15:50:58+02:00 Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX Bridget L. Borg David W. Schirokauer 2022-03-04T05:03:41Z https://doi.org/10.3389/fevo.2022.791161.s001 https://figshare.com/articles/dataset/Table_1_The_Role_of_Weather_and_Long-Term_Prey_Dynamics_as_Drivers_of_Wolf_Population_Dynamics_in_a_Multi-Prey_System_DOCX/19306100 unknown doi:10.3389/fevo.2022.791161.s001 https://figshare.com/articles/dataset/Table_1_The_Role_of_Weather_and_Long-Term_Prey_Dynamics_as_Drivers_of_Wolf_Population_Dynamics_in_a_Multi-Prey_System_DOCX/19306100 CC BY 4.0 CC-BY Evolutionary Biology Ecology Invasive Species Ecology Landscape Ecology Conservation and Biodiversity Behavioural Ecology Community Ecology (excl. Invasive Species Ecology) Ecological Physiology Freshwater Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) Population Ecology Terrestrial Ecology Alaska Canis lupus demography natality population dynamics predator prey survival wolf Dataset 2022 ftfrontimediafig https://doi.org/10.3389/fevo.2022.791161.s001 2022-03-10T00:06:37Z As climate change accelerates in northern latitudes, there is an increasing need to understand the role of climate in influencing predator-prey systems. We investigated wolf population dynamics and numerical response in Denali National Park and Preserve in Alaska, United States from 1986 to 2016 under a long-term range of varying climatic conditions and in the context of prey vulnerability, abundance, and population structure using an integrated population modeling approach. We found that wolf natality, or the number of wolves added to packs, increased with higher caribou population size, calf:cow ratio, and hare numbers, responding to a 1-year lag. Apparent survival increased in years with higher calf:cow ratios and cumulative snowfall in the prior winter, indicators of a vulnerable prey base. Thus, indices of prey abundance and vulnerability led to responses in wolf demographics, but we did not find that the wolf population responded numerically. During recent caribou and moose population increases wolf natality increased yet wolf population size declined. The decline in wolf population size is attributed to fewer packs in recent years with a few very large packs as opposed to several packs of comparable size. Our results suggest that territoriality can play a vital role in our study area on regulating population growth. These results provide a baseline comparison of wolf responses to climatic and prey variability in an area with relatively low levels of human disturbance, a rare feature in wolf habitat worldwide. Dataset Canis lupus Alaska Frontiers: Figshare |
institution |
Open Polar |
collection |
Frontiers: Figshare |
op_collection_id |
ftfrontimediafig |
language |
unknown |
topic |
Evolutionary Biology Ecology Invasive Species Ecology Landscape Ecology Conservation and Biodiversity Behavioural Ecology Community Ecology (excl. Invasive Species Ecology) Ecological Physiology Freshwater Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) Population Ecology Terrestrial Ecology Alaska Canis lupus demography natality population dynamics predator prey survival wolf |
spellingShingle |
Evolutionary Biology Ecology Invasive Species Ecology Landscape Ecology Conservation and Biodiversity Behavioural Ecology Community Ecology (excl. Invasive Species Ecology) Ecological Physiology Freshwater Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) Population Ecology Terrestrial Ecology Alaska Canis lupus demography natality population dynamics predator prey survival wolf Bridget L. Borg David W. Schirokauer Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX |
topic_facet |
Evolutionary Biology Ecology Invasive Species Ecology Landscape Ecology Conservation and Biodiversity Behavioural Ecology Community Ecology (excl. Invasive Species Ecology) Ecological Physiology Freshwater Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) Population Ecology Terrestrial Ecology Alaska Canis lupus demography natality population dynamics predator prey survival wolf |
description |
As climate change accelerates in northern latitudes, there is an increasing need to understand the role of climate in influencing predator-prey systems. We investigated wolf population dynamics and numerical response in Denali National Park and Preserve in Alaska, United States from 1986 to 2016 under a long-term range of varying climatic conditions and in the context of prey vulnerability, abundance, and population structure using an integrated population modeling approach. We found that wolf natality, or the number of wolves added to packs, increased with higher caribou population size, calf:cow ratio, and hare numbers, responding to a 1-year lag. Apparent survival increased in years with higher calf:cow ratios and cumulative snowfall in the prior winter, indicators of a vulnerable prey base. Thus, indices of prey abundance and vulnerability led to responses in wolf demographics, but we did not find that the wolf population responded numerically. During recent caribou and moose population increases wolf natality increased yet wolf population size declined. The decline in wolf population size is attributed to fewer packs in recent years with a few very large packs as opposed to several packs of comparable size. Our results suggest that territoriality can play a vital role in our study area on regulating population growth. These results provide a baseline comparison of wolf responses to climatic and prey variability in an area with relatively low levels of human disturbance, a rare feature in wolf habitat worldwide. |
format |
Dataset |
author |
Bridget L. Borg David W. Schirokauer |
author_facet |
Bridget L. Borg David W. Schirokauer |
author_sort |
Bridget L. Borg |
title |
Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX |
title_short |
Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX |
title_full |
Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX |
title_fullStr |
Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX |
title_full_unstemmed |
Table_1_The Role of Weather and Long-Term Prey Dynamics as Drivers of Wolf Population Dynamics in a Multi-Prey System.DOCX |
title_sort |
table_1_the role of weather and long-term prey dynamics as drivers of wolf population dynamics in a multi-prey system.docx |
publishDate |
2022 |
url |
https://doi.org/10.3389/fevo.2022.791161.s001 https://figshare.com/articles/dataset/Table_1_The_Role_of_Weather_and_Long-Term_Prey_Dynamics_as_Drivers_of_Wolf_Population_Dynamics_in_a_Multi-Prey_System_DOCX/19306100 |
genre |
Canis lupus Alaska |
genre_facet |
Canis lupus Alaska |
op_relation |
doi:10.3389/fevo.2022.791161.s001 https://figshare.com/articles/dataset/Table_1_The_Role_of_Weather_and_Long-Term_Prey_Dynamics_as_Drivers_of_Wolf_Population_Dynamics_in_a_Multi-Prey_System_DOCX/19306100 |
op_rights |
CC BY 4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3389/fevo.2022.791161.s001 |
_version_ |
1766385998017593344 |