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Monarch Butterfly Effect

Monarch Butterfly illustration

Re: “The Monarch Butterfly Effect” [Winter 2019] About 33 percent of Monarch Watch recoveries in Mexico are from reared monarchs. Lab rearing conditions (12 hours replicating day and night, 27 C constant temperatures) failed to provide environmental cues that lead to reproductive diapause or migration. Induction of a non-reproductive state and migration is complicated and […]

Norway Maples

Norway Maples

Re: The Leafy Viking I read your article regarding Norway maple trees with interest. I am very interested in preserving our native caterpillar populations and support planting native tree species. To that end I have planted two paper birch trees, a swamp willow, a striped maple and a tamarack on my residential property. I also […]

ON Nature Magazine Summer 2019

ON Nature Magazine Summer 2019

DEPARTMENTS 5 | This Issue Humanity’s legacy. By Caroline Schultz 6 | Earth Watch Ojibway Shores protected, Monitoring wild boars, ALUS expansion, Bird-friendly hay, and more… 36 |Our Member Groups Outdoor learning in Norfolk. By Lisa Richardson 37 | Our Community Friend of nature passes on her passion. By Portia Mohlmann 38 | Last Word […]

ON Nature Magazine Winter 2010

ON Nature Magazine Winter 2010

DEPARTMENTS 5 | This Issue The power of partnerships: Working together for conservation. By Caroline Schultz 8 | Earth Watch Stand up for nature; a royal rebound; the buzz is gone; join the club; plants inhale 123 billion tonnes of carbon each year; living fences; power plant struggles in King Township. 38 | Bird Watch […]

Seasons Magazine Winter 1983

Seasons Magazine Winter 1983

DEPARTMENTS 5 | Earth Watch Refuge sought for Beluga whale; herbicides get green light in court; park boundary can’t keep out acid rain; swallows flock to Pembroke; escarpment fate awaits new minister; compromise on parks sinking in; naturalists lose Alfred Bog hearing; Environment Minister charges polluters; forestry undergoes assessment; information on terns wanted by Wildlife […]

Ontario Naturalist Magazine Spring 1978

Ontario Naturalist Magazine Spring 1978

DEPARTMENTS 46 | FON News FON spring trips. 47 | Queen’s Park/From Ottawa FON challenges new minister to move swiftly; citizen prosecution of industrial polluters; FON asks Hydro for firm lighting policy; FON seeks amendment to “dangerous” flood policy. 48 | Around Ontario Algonquin: outboard action finally?; Hydro to be rerouted around habitat of endangered […]