Recent Posts

Most Trees, No Matter Type or Where Located, Are Always Close to Thirsty Death
Posted on 7 Aug 2013 by Thomas H. Clarke, Jr.

Sometimes a piece of research changes the way one looks at ecosystems. Evaporation from tiny pores in the leaves of trees pulls water up from the roots through thousands of slim tubes, called xylem tissue. When water is scarce, these tubes can develop... Read More

Mistletoe can be a keystone species for birds in a wooded environment
Posted on 3 Apr 2013 by Thomas H. Clarke, Jr.

A keystone species is one that "influences the ecological composition, structure, or functioning of its community far more than its abundance would suggest." (See http://glossary.eea.europa.eu/terminology/concept_html?term=keystone%20species... Read More