Search Results for:

Could Cultivation-Driven Evolution Reduce Nitrogen Fixation?

Researchers took advantage of a 24-year experiment maintained by the Kellogg Biological Station LTER to assess the possibility that cultivation practices might drive evolution of less-cooperative microbes.

Warmer winters have diverse effects on tree growth

Every step of a tree’s growth is on a strict time-table, from the first emergence of life sprouting up through the soil to the formation of vast green canopies that block out almost all of the sun’s light. These growth cycles (budding leaves, flowering, etc.) are controlled by various environmental factors that act as cues… Read more »

The secret biodiversity of Baltimore’s abandoned lots

If you live in a city, chances are you’ve seen an abandoned lot or two. While urban dwellers may not immediately think of vacant lots as harboring rare species and scenic natural vistas, they are are often candidates for urban conservation, restoration, or greening projects. The success of such projects depends on understanding what processes control… Read more »

Microbes respond quickly to fluctuating salt marsh conditions

The ebb and flow of the tide through coastal salt marshes brings wide swings in temperature, salinity, oxygen levels and pH. Many of these fluctuations occur at short timescales (e.g. multiple times per day) and have a profound impact on both the types of microorganisms that can exist in such a dynamic environment, and how… Read more »

A tale of two forests: exploring forest management in the Pacific Northwest

“Social forestry” describes the hybrid system of bottom-up grassroots oversight by local stakeholders and top-down, science-informed policy from larger governing bodies to determine forest management practices. Social scientists from the University of Freiburg in Germany and the University of Oregon analyzed the implementation of social forestry through a comparative case study of two National Forests… Read more »

One Day in the Desert

$15.95 BY ANNA KEENERILLUSTRATED BY CHRISTINA WALD Mariana is a third grader living in Las Cruces, New Mexico at the northern fringe of the Chihuahuan Desert. One day her class visits Chihuahuan Desert Nature Park to hike to the top of an extinct volcano and see the plant and animal life that is special to… Read more »

The Golden Forest

$15.95 BY CAROL BLANCHETTE AND JENIFER DUGANILLUSTRATED BY MICHAEL ROTHMAN Owen, who lives in Colorado, is visiting his cousin Neko at her home in coastal California. He is eager to explore the beach with his cousin and aunt, and they find a large amount of kelp washed ashore after a large storm the previous evening…. Read more »

Save Our Stream

$15.95 BY COLIN POLSKY AND JANE TUCKERILLUSTRATED BY JULIA MINER One summer morning, Annie and her brother Bradley venture down to a nearby stream to play, but find the water murky and devoid of frogs and minnows. They hear a splashing sound behind them, and are startled to see their neighbor, Ms. Carson, approaching them,… Read more »