News tagged with ecosystem processes

Why species matter

UC Santa Barbara doctoral candidate Caitlin Fong travels to French Polynesia often but not for vacation. She goes there to study a coral reef ecosystem influenced by human impacts such as overfishing and ...

Jun 17, 2014
5 / 5 (2) 0

The intensity of land use doubled in the 20th century

The growth of green plants – which can be measured in terms of "net primary production", or NPP for short – provides the energetic foundation for all life on earth. The share of NPP appropriated by humans (HANPP) through ...

Jun 04, 2013
3.7 / 5 (3) 0

Mixed forest provides beneficial effects

Forestry and nature conservation can benefit from promoting more different varieties of trees, according to a new study in which researchers from the University of Gothenburg, Sweden, were involved.

Jan 30, 2013
not rated yet 0

Droughts could cause collapse of food webs

(Phys.org)—Critically low water levels in many rivers could lead to the partial collapse of food webs that support aquatic life, according to a study co-authored by a University of Leeds researcher.

Sep 11, 2012
5 / 5 (1) 0

Forest mortality and climate change: The big picture

Over the past two decades, extensive forest death triggered by hot and dry climatic conditions has been documented on every continent except Antarctica. Forest mortality due to drought and heat stress is expected to increase ...

Sep 09, 2012
4.1 / 5 (10) 0 | with audio podcast

Human hands leave prominent ecological footprints

Early human activity has left a greater footprint on today's ecosystem than previously thought, say researchers working at the University of Pittsburgh and in the multidisciplinary Long Term Ecological Research (LTER) Network, ...

Jun 01, 2012
5 / 5 (3) 3 | with audio podcast