author_facet Owen, R.E.
Otterstatter, M.C.
Cartar, R.V.
Farmer, A.
Colla, S.R.
O’Toole, N.
Owen, R.E.
Otterstatter, M.C.
Cartar, R.V.
Farmer, A.
Colla, S.R.
O’Toole, N.
author Owen, R.E.
Otterstatter, M.C.
Cartar, R.V.
Farmer, A.
Colla, S.R.
O’Toole, N.
spellingShingle Owen, R.E.
Otterstatter, M.C.
Cartar, R.V.
Farmer, A.
Colla, S.R.
O’Toole, N.
Canadian Journal of Zoology
Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
Animal Science and Zoology
Ecology, Evolution, Behavior and Systematics
author_sort owen, r.e.
spelling Owen, R.E. Otterstatter, M.C. Cartar, R.V. Farmer, A. Colla, S.R. O’Toole, N. 0008-4301 1480-3283 Canadian Science Publishing Animal Science and Zoology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1139/z11-114 <jats:p> Bombus moderatus Cresson, 1863 occurs in the northern and western regions of North America and reaches its southern limit in Alberta. In 1915, the southernmost record was Banff; by 1987, it had appeared in Kananaskis Country, 40 km southeast of Banff, and by 2010, it had spread 80 km farther east to become one of the more common bumble bee species in Calgary, where it had never been previously recorded. This represents a rate of spread over the last 20 years of about 4 km/year. The simplest hypothesis that can account for this change is that it is just a continuation of the natural expansion of its range since the end of the last ice age. An alternative hypothesis is that it is filling the niche vacated as a result of the decline in another species, Bombus occidentalis Greene, 1858. </jats:p> Significant expansion of the distribution of the bumble bee <i>Bombus moderatus</i> (Hymenoptera: Apidae) in Alberta over 20 years<sup>1</sup>This paper is dedicated to the memory of Adolf Scholl. Canadian Journal of Zoology
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title Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_unstemmed Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_full Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_fullStr Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_full_unstemmed Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_short Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_sort significant expansion of the distribution of the bumble bee <i>bombus moderatus</i> (hymenoptera: apidae) in alberta over 20 years<sup>1</sup>this paper is dedicated to the memory of adolf scholl.
topic Animal Science and Zoology
Ecology, Evolution, Behavior and Systematics
url http://dx.doi.org/10.1139/z11-114
publishDate 2012
physical 133-138
description <jats:p> Bombus moderatus Cresson, 1863 occurs in the northern and western regions of North America and reaches its southern limit in Alberta. In 1915, the southernmost record was Banff; by 1987, it had appeared in Kananaskis Country, 40 km southeast of Banff, and by 2010, it had spread 80 km farther east to become one of the more common bumble bee species in Calgary, where it had never been previously recorded. This represents a rate of spread over the last 20 years of about 4 km/year. The simplest hypothesis that can account for this change is that it is just a continuation of the natural expansion of its range since the end of the last ice age. An alternative hypothesis is that it is filling the niche vacated as a result of the decline in another species, Bombus occidentalis Greene, 1858. </jats:p>
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author Owen, R.E., Otterstatter, M.C., Cartar, R.V., Farmer, A., Colla, S.R., O’Toole, N.
author_facet Owen, R.E., Otterstatter, M.C., Cartar, R.V., Farmer, A., Colla, S.R., O’Toole, N., Owen, R.E., Otterstatter, M.C., Cartar, R.V., Farmer, A., Colla, S.R., O’Toole, N.
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description <jats:p> Bombus moderatus Cresson, 1863 occurs in the northern and western regions of North America and reaches its southern limit in Alberta. In 1915, the southernmost record was Banff; by 1987, it had appeared in Kananaskis Country, 40 km southeast of Banff, and by 2010, it had spread 80 km farther east to become one of the more common bumble bee species in Calgary, where it had never been previously recorded. This represents a rate of spread over the last 20 years of about 4 km/year. The simplest hypothesis that can account for this change is that it is just a continuation of the natural expansion of its range since the end of the last ice age. An alternative hypothesis is that it is filling the niche vacated as a result of the decline in another species, Bombus occidentalis Greene, 1858. </jats:p>
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spelling Owen, R.E. Otterstatter, M.C. Cartar, R.V. Farmer, A. Colla, S.R. O’Toole, N. 0008-4301 1480-3283 Canadian Science Publishing Animal Science and Zoology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1139/z11-114 <jats:p> Bombus moderatus Cresson, 1863 occurs in the northern and western regions of North America and reaches its southern limit in Alberta. In 1915, the southernmost record was Banff; by 1987, it had appeared in Kananaskis Country, 40 km southeast of Banff, and by 2010, it had spread 80 km farther east to become one of the more common bumble bee species in Calgary, where it had never been previously recorded. This represents a rate of spread over the last 20 years of about 4 km/year. The simplest hypothesis that can account for this change is that it is just a continuation of the natural expansion of its range since the end of the last ice age. An alternative hypothesis is that it is filling the niche vacated as a result of the decline in another species, Bombus occidentalis Greene, 1858. </jats:p> Significant expansion of the distribution of the bumble bee <i>Bombus moderatus</i> (Hymenoptera: Apidae) in Alberta over 20 years<sup>1</sup>This paper is dedicated to the memory of Adolf Scholl. Canadian Journal of Zoology
spellingShingle Owen, R.E., Otterstatter, M.C., Cartar, R.V., Farmer, A., Colla, S.R., O’Toole, N., Canadian Journal of Zoology, Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl., Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics
title Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_full Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_fullStr Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_full_unstemmed Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_short Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
title_sort significant expansion of the distribution of the bumble bee <i>bombus moderatus</i> (hymenoptera: apidae) in alberta over 20 years<sup>1</sup>this paper is dedicated to the memory of adolf scholl.
title_unstemmed Significant expansion of the distribution of the bumble bee Bombus moderatus (Hymenoptera: Apidae) in Alberta over 20 years1This paper is dedicated to the memory of Adolf Scholl.
topic Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics
url http://dx.doi.org/10.1139/z11-114