Syd Cannings

The Dragonflies and Damselflies (Insecta: Odonata) of Canada: species list, geographical distribution, status, and conservation ranks

Robert A. Cannings, John Klymko, Paul M. Catling, Michel Savard et autres

As of August 2023, 220 species in 57 genera and 10 families of damselflies and dragonflies (Insecta: Odonata) are recorded for Canada. Since the publication of the first edition in 2005, 14 species have been added to the list; one,Neurocordulia obsoleta (Say) …

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Warming drives poleward range contractions of Beringian endemic plant species at high latitudes

Tobi A. Oke, Diana Stralberg, Donald G. Reid, Bruce A. Bennett et autres

Abstract Aim Species are expected to disperse poleward in response to climate change. For species that are endemic to the high latitudes, this implies that many in the future would face a “no‐where‐to‐go” situation as they are currently occupying the northernmost portion …

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Recent and future declines of a historically widespread pollinator linked to climate, land cover, and pesticides

William M. Janousek, Margaret R. Douglas, Syd Cannings, Marion A. Clément et autres

The acute decline in global biodiversity includes not only the loss of rare species, but also the rapid collapse of common species across many different taxa. The loss of pollinating insects is of particular concern because of the ecological and economic values …

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Recent and future declines of a historically widespread pollinator linked to climate, land cover, and pesticides

William M. Janousek, Margaret R. Douglas, Syd Cannings, Marion A. Clément et autres

The acute decline in global biodiversity includes not only the loss of rare species, but also the rapid collapse of common species across many different taxa. The loss of pollinating insects is of particular concern because of the ecological and economic values …

Micropropagation and Cryopreservation of Yukon Draba (Draba yukonensis), a Special Concern Plant Species Endemic to Yukon Territory, Canada

Akansha Saxena, Wen‐Lu Bi, Mukund R. Shukla, Syd Cannings et autres

) is a small, short-lived perennial mustard species that is endemic to southwestern Yukon in Canada. This plant has been categorized as a species of Special Concern. It faces the threat of habitat loss due to natural and man-made causes and a …

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Western bumble bee: declines in the continental United States and range‐wide information gaps

Tabitha A. Graves, William M. Janousek, Sarah M. Gaulke, Amy C. Nicholas et autres

Abstract In recent decades, many bumble bee species have declined due to changes in habitat, climate, and pressures from pathogens, pesticides, and introduced species. The western bumble bee ( Bombus occidentalis ), once common throughout western North America, is a species of …

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Biogeography and designatable units of Bombus occidentalis Greene and B. terricola Kirby (Hymenoptera: Apidae) with implications for conservation status assessments

Cory Silas Sheffield, Leif L. Richardson, Syd Cannings, Hien T. Ngo et autres

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