Now showing items 1-6 of 6
Contrasting geochemical signatures on land from the Middle and Late Permian extinction events
(Wiley Periodicals, Inc., 2014-10)
The end of the Palaeozoic is marked by two mass‐extinction events during the Middle Permian (Capitanian) and the Late Permian (Changhsingian). Given similarities between the two events in geochemical signatures, such as ...
Sea lamprey (Petromyzon marinus) habitat and population models in Michigan river networks: Understanding geomorphic context and boundaries.
(2010)
Rivers are hierarchical, heterogeneous products of climate and the landscapes through which they flow. This nature motivates two interesting and practical questions in river ecology: how are populations of riverine organisms ...
Preliminary study of the diversion of 283 m3 s-1 (10,000 cfs) from Lake Superior to the Missouri River basin
(Elsevier, 1984-02)
Trans-basin diversion is an established practice in this country. The High Plains Study authorized by the U.S. Congress in 1976 examined large-scale intra-basin diversion to replenish the depleted groundwater resources of ...
Cyanobacterial life at low O 2 : community genomics and function reveal metabolic versatility and extremely low diversity in a Great Lakes sinkhole mat
(Blackwell Publishing LtdWiley Periodicals, Inc., 2012-05)
Cyanobacteria are renowned as the mediators of Earth’s oxygenation. However, little is known about the cyanobacterial communities that flourished under the low‐O 2 conditions that characterized most of their evolutionary ...
Oak Forests, Lopping, and the Transformation of Rural Society in Central Himalaya, India.
(2009)
Villagers are blamed for degrading the forest by lopping oak branches for fodder in the Central Himalayan region of India. Yet, research is lacking on the direct relationship between peoples’ livelihood, lopping, and forest ...