Neidium petersiveri sp. nov. (Bacillariophyceae) — description of a new diatom species with emphasis on variability of frustule morphology in a population from Lake Superior

Light and scanning electron microscopy were used to describe Neidium petersiveri sp. nov., a previously unnamed diatom found in the Canadian waters of Lake Superior. It had been reported previously as single cells of an unidentified Neidium species from four widely separated regions in North America: Michipicoten Island (Lake Superior, Ontario, Canada), Cape Cod (Massachusetts, United States), a Quebec river (Quebec, Canada), and the Back River (Nunavut, Canada). There are superficial resemblances to Neidium mirum Krasske and Neidium calvum Østrup, but there are significant differences in frustule size and shape as well as the pattern of striae on the valve face that render N. petersiveri unique. There was not a significant correlation between frustule lengths and widths in N. petersiveri, owing to a relatively small range within the width data that resulted in much higher width-to-length ratios among shorter cells than for longer cells (74 cells measured). Other significant aspects of morphologic variation include various shapes and configurations of the lacinial fissures and of the proximal raphe fissures, and the sporadic occurrence of pit-like depressions in the axial and central regions of the valves, which suggest that variations in these characters likely have limited value as discriminating characters at the species or subspecies levels.

Effective Community Engagement during the Environmental Assessment of a Mining Project in the Canadian Arctic

The Back River Project is an approved gold mine in Nunavut, Canada owned by Sabina Gold & Silver Corp. Sabina developed a comprehensive community engagement program during the environmental assessment phase of the Project to share information, receive and address local feedback and concerns, and develop productive relationships in support of Project advancement. This paper outlines Sabina’s engagement program, successes and challenges encountered from the perspective of a mineral developer, and insights obtained for effective community engagement in a Canadian Arctic context. The program has been commended by observers and is consistent with best practice models. Sabina’s experiences revealed the importance of engaging early and often using a context-specific approach; comprehensive record-keeping and reporting; the meaningful incorporation of community perspectives and Traditional Knowledge; and focusing on long-term relationships, partnerships, and local benefits. Effective community engagement subsequently played a key role in Sabina securing major licenses and permits for Project advancement.

Finding the dead: bodies, bones and burials from the 1845 Franklin northwest passage Expedition

On 22 April 1848, after three years in the Arctic, and 19 months spent ice-bound in northern Victoria Strait, the 105 surviving officers and crew of the Franklin Northwest Passage expedition deserted HMSErebusand HMSTerroras the first step of their escape plan. They assembled at a camp south of Victory Point on the northwest coast of King William Island and made the final preparations for the next step, a 400 km trek along the frozen seashores of King William Island and Adelaide Peninsula to the Back River. All of the men died before reaching their destination, and their remains have been found at 35 locations along the route of the retreat. These discoveries have played a central role in reenactments of events thought to have occurred during the failed attempt to reach the Back River and to the disastrous outcome of the expedition. This paper presents a summary of these findings and examines the criteria used to attribute them to the Franklin expedition. It is suggested that approximately one-third of the identifications have been based on information that is inadequate to confidently assign the human remains as those of Franklin expedition personnel.

Discovery of one of Sir John Franklin's ships

In the summer of 2014 a major search was mounted in the Canadian Arctic for H.M.S.ErebusandTerror, the ships of Sir John Franklin's expedition, the aim of which was to make a transit of the northwest passage. Beset in the ice to the northwest of King William Island in the summer of 1846, they were abandoned there by the 105 surviving members of their crews in the summer of 1848. The officers and men hoped to walk south to the mouth of the Back River, presumably to ascend that river in the hope of reaching the nearest Hudson's Bay Company's post at Fort Resolution on Great Slave Lake. None of them survived. The 2014 expedition, the Victoria Strait Expedition, mounted by a consortium which included Parks Canada, the Canadian Coast Guard, the Canadian Navy, the Royal Canadian Geographical Society, the Arctic Research Foundation, and One Ocean Adventure, had four ships at its disposal including the Canadian Coast Guard's icebreakerSir Wilfrid Laurier(Captain Bill Noon) and the Navy's HMCSKingston.