Notes on some parasitic fungi from southern British Columbia, southwest Alberta, and adjacent United States

1976 ◽  
Vol 54 (9) ◽  
pp. 971-975 ◽  
Author(s):  
D. B.O. Savile
Keyword(s):  
United States ◽  
British Columbia ◽  
Vancouver Island ◽  
Type Locality ◽  
Distichlis Spicata ◽  
New Host ◽  
Parasitic Fungi

New host and geographic records are given for various fungi. The following are included: Uromyces peckianus ssp. verruculosus ssp. nov. on Distichlis spicata. Vancouver Island; Exobasidium phyllodoces comb. nov. on Phylloduce empetriformis, B.C. and Wash.; Puccinia phaceliae, new host and geographic records for B.C., Alta., Wash.; and P. ornatula on Viola glabella, Olympic Mts., Wash. Rediscovery of P. ornatula at Glacier, B.C.. elucidates its ecology. Puccinia praegracilis var. praegracilis has been rediscovered at the type locality.

Some aspects of the vegetation ecology of the Nanoose–Bonell estuary, Vancouver Island, British Columbia

1986 ◽  
Vol 64 (1) ◽  
pp. 27-34 ◽  
Author(s):  
Neil K. Dawe ◽  
Eric R. White
Keyword(s):  
British Columbia ◽  
Vascular Plants ◽  
Dry Weight ◽  
Vancouver Island ◽  
Distichlis Spicata ◽  
Factors Affecting ◽  
Salicornia Virginica ◽  
Major Factors ◽  
Triglochin Maritimum ◽  
Water Elevation

A study of the vegetation of the Nanoose – Bonell salt marsh, Vancouver Island, British Columbia, was conducted during the period of May – September 1978. A total of 49 species of vascular plants was identified, 10 of which dominated the flora of the estuarine marsh. Six of those dominant species (Distichlis spicata, Glaux maritima, Salicornia virginica, Triglochin maritimum, Plantago maritima, and Atriplex patula) are tolerant of high salinities. Eight plant communities were identified and mapped within the study area. Aerial biomass was dominated by that of the Carex – channel edge community with a peak aboveground biomass of 1259 g dry weight/m2. Major factors affecting the occurrence and distribution of species within the marsh were salinity of the inundating water, elevation of the marsh platform, and soil texture.

Re-evaluation of Preclarocarcinus parvus SCHWEITZER, FELDMANN, ĆOSOVIĆ, ROSS & WAUGH, 2009 (Decapoda, Homolodromioidea) from the Upper Cretaceous (upper Santonian–lower Campanian) of Vancouver Island, British Columbia

2020 ◽  
Vol 298 (3) ◽  
pp. 311-317
Author(s):  
Torrey Nyborg ◽  
Alessandro Garassino ◽  
James W. Haggart ◽  
Raymond Graham
Keyword(s):  
British Columbia ◽  
Type Species ◽  
Upper Cretaceous ◽  
Vancouver Island ◽  
Frontal Region ◽  
Type Locality ◽  
Monotypic Genus ◽  
Single Specimen ◽  
Age Range ◽  
Lower Campanian

The monotypic genus Preclarocarcinus Schweitzer, Feldmann, Ćosović, Ross & Waugh, 2009, was described based upon the species P. parvus Schweitzer, Feldmann, Ćosović, Ross & Waugh, 2009 from the Upper Cretaceous (Campanian) of Vancouver Island. Preclarocarci- nus parvus was based on a single specimen with the front only partially preserved. Preclarocarcinus parvus was based on a single specimen with the front only partially preserved. The recent discovery, from the lower Campanian, of two complete specimens of the species which preserve the frontal region allows a re- evaluation of the type species in order to better establish its generic characters. Finally, we revise the age of the type locality of P. parvus, the genotype species, from Campanian to late Santonian. The genus Preclarocarcinus thus has an overall age range from late Santonian to early Campanian.

Distribution of Cryptobia salmositica, a haemoflagellate of fishes, in British Columbia and the seasonal pattern of infection in a coastal river

1984 ◽  
Vol 62 (12) ◽  
pp. 2512-2518 ◽  
Author(s):  
Susan M. Bower ◽  
L. Margolis
Keyword(s):  
British Columbia ◽  
Seasonal Pattern ◽  
Cutthroat Trout ◽  
Late Summer ◽  
Host Record ◽  
Vancouver Island ◽  
Yukon Territory ◽  
Intensity Of Infection ◽  
New Host ◽  
Coastal River

A survey of adult Pacific salmon (Oncorhynchus spp.) from 1981 to 1983, along with other observations, demonstrated that in British Columbia Cryptobia salmositica was confined to tributaries of the Fraser River, coastal rivers adjacent to this river, and rivers on Vancouver Island. Adult salmon from the Queen Charlotte Islands and the Bella Coola, Skeena, and Nass rivers in British Columbia and the Yukon River in the Yukon Territory were not infected. The distribution of C. salmositica may be explained by events of the Wisconsin glacial and postglacial periods. Seasonal variability in prevalence and intensity of infection of C. salmositica in the Big Qualicum River, a coastal river on Vancouver Island, is related to the seasonal return of adult salmon in late summer and autumn, and the concomitant increase in abundance of the leech vector, Piscicola salmositica. Prevalence and intensity of infection in juvenile salmonids in this river also increased during autumn. Cryptobia salmositica was present in resident sculpins (Cottus aleuticus) throughout the year; however, the prevalence did not begin to increase until December, coincident with the postspawning decline in salmon numbers in the river. The finding of C. salmositica in cutthroat trout (Salmo clarki) from the Big Qualicum River constitutes a new host record.

The plainfin midshipman’s soundscape at two sites around Vancouver Island, British Columbia

2018 ◽  
Vol 603 ◽  
pp. 189-200 ◽  
Author(s):  
WD Halliday ◽  
MK Pine ◽  
APH Bose ◽  
S Balshine ◽  
F Juanes
Keyword(s):  
British Columbia ◽  
Vancouver Island

The Creation of a Regional Voice: The Care and Feeding of the Northwest Biosolids Management Association

2007 ◽  
Vol 2 (4) ◽  
Author(s):  
M. Lono-Batura ◽  
D. Thompson
Keyword(s):  
United States ◽  
British Columbia ◽  
Information Network ◽  
Sludge Management ◽  
Non Profit ◽  
Mass Audience ◽  
Management Association ◽  
Private And Public ◽  
Environmentally Sound ◽  
Sound Management

The biosolids producers in southwest Canada and the northwest United States have banded together to form a biosolids information network with the purpose of advancing the environmentally sound management of biosolids through education and information, regulations development and research and demonstration. This organization currently known as the Northwest Biosolids Management Association (NBMA) has grown from a gritty band of 14 sludge management visionaries to a fully incorporated non-profit association of over 200 members in both the private and public sectors. What spark ignited this conflagration of creativity? What calamity could possibly convince 200 relatively sober agencies to pony up a collective $200,000 American every year? What great cosmic bellows continues to force the airs of inspiration into the dry and desiccated souls of Biosolids managers across beautiful British Columbia and beyond? The answers lie in the modern day alchemy that is biosolids management. It is the inspiration gained from spinning gold out of something less aesthetically pleasing. It is the satisfaction in communicating to a mass audience the technical and counter intuitive science of residuals treatment. Creation and maintenance of a Biosolids information network is an essential tool in fostering the environmentally sound use of this extremely useful product.

scholarly journals Patterns of dental antibiotic prescribing in 2017: Australia, England, United States, and British Columbia (Canada)

2021 ◽  
pp. 1-8
Author(s):  
Wendy Thompson ◽  
Leanne Teoh ◽  
Colin C. Hubbard ◽  
Fawziah Marra ◽  
David M. Patrick ◽  
...  
Keyword(s):  
United States ◽  
British Columbia ◽  
Broad Spectrum ◽  
Antibiotic Prescription ◽  
Population Level ◽  
The United States ◽  
Antibiotic Prescribing ◽  
Prescribing Behavior ◽  
The Us ◽  
Amoxicillin Clavulanic Acid

Abstract Objective: Our objective was to compare patterns of dental antibiotic prescribing in Australia, England, and North America (United States and British Columbia, Canada). Design: Population-level analysis of antibiotic prescription. Setting: Outpatient prescribing by dentists in 2017. Participants: Patients receiving an antibiotic dispensed by an outpatient pharmacy. Methods: Prescription-based rates adjusted by population were compared overall and by antibiotic class. Contingency tables assessed differences in the proportion of antibiotic class by country. Results: In 2017, dentists in the United States had the highest antibiotic prescribing rate per 1,000 population and Australia had the lowest rate. The penicillin class, particularly amoxicillin, was the most frequently prescribed for all countries. The second most common agents prescribed were clindamycin in the United States and British Columbia (Canada) and metronidazole in Australia and England. Broad-spectrum agents, amoxicillin-clavulanic acid, and azithromycin were the highest in Australia and the United States, respectively. Conclusion: Extreme differences exist in antibiotics prescribed by dentists in Australia, England, the United States, and British Columbia. The United States had twice the antibiotic prescription rate of Australia and the most frequently prescribed antibiotic in the US was clindamycin. Significant opportunities exist for the global dental community to update their prescribing behavior relating to second-line agents for penicillin allergic patients and to contribute to international efforts addressing antibiotic resistance. Patient safety improvements will result from optimizing dental antibiotic prescribing, especially for antibiotics associated with resistance (broad-spectrum agents) or C. difficile (clindamycin). Dental antibiotic stewardship programs are urgently needed worldwide.

scholarly journals Assessing the Phytosanitary Risk Posed by an Intraspecific Invasion of Cryphonectria parasitica in Europe

2019 ◽  
Vol 109 (12) ◽  
pp. 2055-2063 ◽  
Author(s):  
Francesca Dennert ◽  
Joana Beatrice Meyer ◽  
Daniel Rigling ◽  
Simone Prospero
Keyword(s):  
United States ◽  
South Korea ◽  
Plant Pathogens ◽  
Castanea Sativa ◽  
The United States ◽  
Cryphonectria Parasitica ◽  
Seedling Mortality ◽  
New Host ◽  
Phytosanitary Measures

Intraspecific cryptic invasions may occur when new strains of an invasive species are introduced into an area where this species had already been introduced previously. In plant pathogens, such invasions are not well studied, even if, potentially, they can have severe consequences. Here, we investigated the effects of a potential intraspecific invasion in Europe of Cryphonectria parasitica, the causal agent of chestnut blight. Specifically, we tested the hypotheses that (i) non-European strains are more virulent on Castanea sativa than those already present in Europe because they have never encountered this new host, and (ii) the variation in virulence among strains is higher within native than within introduced populations. In a greenhouse, 2-year-old C. sativa seedlings were inoculated with Cryphonectria parasitica strains from South Korea, the United States, and Switzerland, and lesion development and seedling mortality were recorded weekly. Additionally, growth and sporulation of the strains were measured in vitro on agar medium at 15 and 24°C. Although lesion growth was similar for all strains, seedlings inoculated with strains from South Korea and Switzerland died faster than seedlings inoculated with strains from the United States. Moreover, in vitro strains from South Korea grew faster and produced more spores at both temperatures than the strains from the other two countries. In conclusion, our results did not support the two hypotheses. All strains, regardless of their origin, were found to be highly virulent on the inoculated chestnut seedlings. Nevertheless, current phytosanitary measures to avoid the introduction of new genotypes of C. parasitica into Europe should be further implemented.

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