Skip Navigation

EcoEdDL

Home Browse Resources Submission Instructions About Help Advanced Search

Search Results

> >|
Order:
View Resource Pathways to Scientific Teaching, Chapter 5c of 7: Unleashing problem solvers: from assessment to designing research

Can transgenes be kept on a leash?” ask Marvier and Van Acker in the [attached] review article. “No”, they answer, “the movement of transgenes beyond their intended destination is a virtual certainty”, and furthermore “it is unlikely that transgenes can be retracted once they have escaped”. Would these bold statements engage students, revealing the realities and complexities of gene...

 

Publisher: EcoEd Digital Library

View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 22 of 22

The ratio of flowers/butterfly (Erigeron speciosus to Speyeria mormonia) in year t is a good predictor of the change in the size of the Mormon fritillary butterfly population from year t to the next year (measured here by number of males). Years having few flowers per butterfly result in a population decline the following year. In contrast, population growth is higher when many flowers are...

 

Publisher: EcoEd Digital Library

Thumbnail
View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 01 of 22

A view of the Rocky Mountain Biological Laboratory, a high-altitude field research station at 9,500 feet in the Colorado Rocky Mountains. RMBL has supported field work since it was founded in 1928, and is the location of the research described in this slide show.

 

Publisher: EcoEd Digital Library

Thumbnail
View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 03 of 22

Date of winter snowpack melt during the past 36 years at Rocky Mountain Biological Laboratory. A trend toward earlier snowmelt was noted during the study period, though the correlation was not statistically significant due to large year-to-year variability.

 

Publisher: EcoEd Digital Library

Thumbnail
View Resource Effects of frost on wildflowers: an unexpected consequence of climate change [resource group]

A collection of slides about the effects of frost on Colorado wildflowers at the Rocky Mountain Biological Laboratory (RMBL). RMBL is a high-altitude field research station at 9,500 feet in the Colorado Rocky Mountains. RMBL has supported field work since it was founded in 1928, and is the location of the research described in this slide show.

 

Publisher: EcoEd Digital Library

http://ecoed.esa.org/index.php?P=AdvancedSearch&Q=Y&FK=%22Ef...
> >|
Order: