PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING
Red squirrels (Tamiasciurus hudsonicus) and eastern chipmunks (Tamias striatus) are both introduced species on the island of Newfoundland. There is evidence that T. hudsonicus have contributed to significant changes in the ecology of several native animal and plant species. Little is known about the...
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ftmemorialuniv:oai:research.library.mun.ca:12704 2023-10-09T21:53:38+02:00 PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING Spicer, Heather E. 2017-05 application/pdf https://research.library.mun.ca/12704/ https://research.library.mun.ca/12704/1/HSpicer_PERSPECTIVES_ON_RED_SQUIRREL_%28TAMIASCIURUS_HUDSONICUS%29_AND_EASTERN_CHIPMUNK.pdf en eng Memorial University of Newfoundland https://research.library.mun.ca/12704/1/HSpicer_PERSPECTIVES_ON_RED_SQUIRREL_%28TAMIASCIURUS_HUDSONICUS%29_AND_EASTERN_CHIPMUNK.pdf Spicer, Heather E. <https://research.library.mun.ca/view/creator_az/Spicer=3AHeather_E=2E=3A=3A.html> (2017) PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING. Memorial University of Newfoundland. (Unpublished) Other NonPeerReviewed 2017 ftmemorialuniv 2023-09-23T23:12:08Z Red squirrels (Tamiasciurus hudsonicus) and eastern chipmunks (Tamias striatus) are both introduced species on the island of Newfoundland. There is evidence that T. hudsonicus have contributed to significant changes in the ecology of several native animal and plant species. Little is known about the ecological implications of the introduction of T. striatus. The full extent of both the T. hudsonicus and T. striatus ranges across insular Newfoundland and the nearshore islands have not been described. Tamiasciurus hudsonicus reliably respond to broadcasts of recorded conspecific territorial vocalizations, both through calling back and approaching the speaker. However, variation in the responsiveness of T. hudsonicus to call broadcasts (detectability) over time is not well understood. I investigated T. hudsonicus and T. striatus distribution across Newfoundland ecoregions and T. hudsonicus detectability in Newfoundland through a two-part study. First, I recruited elementary school students to participate in a citizen science investigation. Participants submitted data about T. hudsonicus and T. striatus presence at locations across Newfoundland, including the results of surveys using call broadcasts, observations made while walking in the woods, and qualitative data from student interviews with family/friends. I received data from 50 teachers and 899 elementary school students affiliated with 29 schools around the island of Newfoundland. This included 43 class point count/call broadcast surveys (including a total of 85 point counts), as well as 159 individual walks in the woods, and 142 interviews with family and friends. The proportion of sites with T. hudsonicus present did not vary significantly among ecoregions (χ2= 0.725, df=5, p>0.05), however, the proportion of sites with T. striatus did (χ2=12.61, df=5, p<0.05), suggesting that T. striatus are more restricted in their range than T. hudsonicus. Second, I investigated how T. hudsonicus detection probability varied over time and during silent and playback ... Text Newfoundland Memorial University of Newfoundland: Research Repository |
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Memorial University of Newfoundland: Research Repository |
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ftmemorialuniv |
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English |
description |
Red squirrels (Tamiasciurus hudsonicus) and eastern chipmunks (Tamias striatus) are both introduced species on the island of Newfoundland. There is evidence that T. hudsonicus have contributed to significant changes in the ecology of several native animal and plant species. Little is known about the ecological implications of the introduction of T. striatus. The full extent of both the T. hudsonicus and T. striatus ranges across insular Newfoundland and the nearshore islands have not been described. Tamiasciurus hudsonicus reliably respond to broadcasts of recorded conspecific territorial vocalizations, both through calling back and approaching the speaker. However, variation in the responsiveness of T. hudsonicus to call broadcasts (detectability) over time is not well understood. I investigated T. hudsonicus and T. striatus distribution across Newfoundland ecoregions and T. hudsonicus detectability in Newfoundland through a two-part study. First, I recruited elementary school students to participate in a citizen science investigation. Participants submitted data about T. hudsonicus and T. striatus presence at locations across Newfoundland, including the results of surveys using call broadcasts, observations made while walking in the woods, and qualitative data from student interviews with family/friends. I received data from 50 teachers and 899 elementary school students affiliated with 29 schools around the island of Newfoundland. This included 43 class point count/call broadcast surveys (including a total of 85 point counts), as well as 159 individual walks in the woods, and 142 interviews with family and friends. The proportion of sites with T. hudsonicus present did not vary significantly among ecoregions (χ2= 0.725, df=5, p>0.05), however, the proportion of sites with T. striatus did (χ2=12.61, df=5, p<0.05), suggesting that T. striatus are more restricted in their range than T. hudsonicus. Second, I investigated how T. hudsonicus detection probability varied over time and during silent and playback ... |
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Text |
author |
Spicer, Heather E. |
spellingShingle |
Spicer, Heather E. PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING |
author_facet |
Spicer, Heather E. |
author_sort |
Spicer, Heather E. |
title |
PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING |
title_short |
PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING |
title_full |
PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING |
title_fullStr |
PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING |
title_full_unstemmed |
PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING |
title_sort |
perspectives on red squirrel (tamiasciurus hudsonicus) and eastern chipmunk (tamias striatus) distribution and detectability in newfoundland from citizen science and occupancy modeling |
publisher |
Memorial University of Newfoundland |
publishDate |
2017 |
url |
https://research.library.mun.ca/12704/ https://research.library.mun.ca/12704/1/HSpicer_PERSPECTIVES_ON_RED_SQUIRREL_%28TAMIASCIURUS_HUDSONICUS%29_AND_EASTERN_CHIPMUNK.pdf |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_relation |
https://research.library.mun.ca/12704/1/HSpicer_PERSPECTIVES_ON_RED_SQUIRREL_%28TAMIASCIURUS_HUDSONICUS%29_AND_EASTERN_CHIPMUNK.pdf Spicer, Heather E. <https://research.library.mun.ca/view/creator_az/Spicer=3AHeather_E=2E=3A=3A.html> (2017) PERSPECTIVES ON RED SQUIRREL (TAMIASCIURUS HUDSONICUS) AND EASTERN CHIPMUNK (TAMIAS STRIATUS) DISTRIBUTION AND DETECTABILITY IN NEWFOUNDLAND FROM CITIZEN SCIENCE AND OCCUPANCY MODELING. Memorial University of Newfoundland. (Unpublished) |
_version_ |
1779316937371680768 |