Results 121 to 130 of about 40,838 (303)

Prevent forest fires

open access: yes, 1942
A bookmark created by US Department of Agriculture Forest Services to promote the prevention of forest fires. The front of the bookmark depicts a Japanese solider, smiling as he lights a match.
United States. Forest Service: author;
core  

Ecology and evolution of pyrazines in insects

open access: yesBiological Reviews, EarlyView.
ABSTRACT Chemical communication is the oldest and most widespread form of signalling among and within organisms. Among the many compounds involved in such communication, pyrazines – nitrogen‐containing heterocyclic molecules – are especially intriguing due to their widespread occurrence across the tree of life, from bacteria and fungi to insects and ...
Zowi Oudendijk   +2 more
wiley   +1 more source

TESTING FOR DIFFERENTIAL EFFECTS OF FOREST FIRES ON HIKING AND MOUNTAIN BIKING DEMAND AND BENEFITS

open access: yes
Surveys of visitors to National Forests in Colorado were conducted to determine whether different fire ages and presence of crown fires have different effects on hiking and mountain biking recreation visits and benefits. Actual and intended behavior data
Gonzalez-Caban, Armando   +2 more
core  

Mixed-severity fire regimes: Lessons and hypotheses from the Klamath-Siskiyou Ecoregion

open access: yes, 2011
Although mixed-severity fires are among the most widespread disturbances influencing western North American forests, they remain the least understood.
Kayes, L.J.   +12 more
core  

Detecting the effect of climate change on Canadian forest fires

open access: yes, 2004
The area burned by forest fires in Canada has increased over the past four decades, at the same time as summer season temperatures have warmed. Here we use output from a coupled climate model to demonstrate that human emissions of greenhouse gases and ...
Zwiers, F.W.   +3 more
core   +1 more source

The extension of the taxon cycle model to island plants: insights from the Canarian vascular flora

open access: yesBiological Reviews, EarlyView.
ABSTRACT Taxon cycle models describe eco‐evolutionary patterns of lineage colonization, diversification, and decline across archipelagos, inferring an important role for competition amongst ecologically similar taxa in driving concurrent niche changes.
José María Fernández‐Palacios   +2 more
wiley   +1 more source

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

open access: yesBiological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen   +15 more
wiley   +1 more source

The elephant underground: Belowground plant traits and their increasing importance in ecological studies

open access: yes
The Bulletin of the Ecological Society of America, EarlyView.
Jacqueline P. Ott   +3 more
wiley   +1 more source

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