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Displaying 41 - 50 of 188

Savannas comprise a large area of the global land surface and are subject to frequent disturbance through fire. The role of fire as one of the primary natural carbon cycling mechanisms is a key issue in considering global change feedbacks. The savannas...

Person: Beringer, Hutley, Tapper, Cernusak
Year: 2007
Type: Document
Source: TTRS

Emission factors (EFs) of pollutants from post-harvest agricultural burning are required for predicting downwind impacts of smoke and inventorying emissions. EFs of polycyclic aromatic hydrocarbons (PAH), methoxyphenols (NIP), levoglucosan (LG),...

Person: Dhammapala, Claiborn, Jimenez, Corkill, Gullett, Simpson, Paulsen
Year: 2007
Type: Document
Source: TTRS

The germination rate in the nursery of Pomaderris hamiltonii and P. kumeraho has been observed to be low. Poor germination for a number of species can be due to a range of seed dormancy mechanisms. Five different dormancy-breaking treatments were...

Person: Haines, Ennis, Blanchon, Triggs
Year: 2007
Type: Document
Source: TTRS

The extent of carbon (C) storage in forests and the change in C stocks after harvesting are important considerations in the management of greenhouse gases. We measured changes in C storage over time (from postharvest, postburn, year 5, year 10 and year...

Person: Kranabetter, Macadam
Year: 2007
Type: Document
Source: TTRS

An intensive field study was conducted in Sumatra, Indonesia, during a peat fire episode to investigate the physical and chemical characteristics of particulate emissions in peat smoke and to provide necessary data for source-receptor analyses. Ambient...

Person: See, Balasubramanian, Rianawati, Karthikeyan, Streets
Year: 2007
Type: Document
Source: TTRS

Deserts are known to mankind, but the term desertification has always been an elusive concept. It is now defined in the United Nations Convention to Combat Desertification (UNCCD) as land degradation in the drylands (land failing within arid, semi-arid...

Person: Sivakumar
Year: 2007
Type: Document
Source: TTRS

Fire plays a critical role in breaking hard-seeded dormancy and establishing seedlings of several Acacia species in arid and semi-arid regions. Numerous studies have reported an increase in seedling densities of some Acacias after fire without...

Person: Kulkarni, Sparg, van
Year: 2007
Type: Document
Source: TTRS

We used both a conventional transmission electron microscope and an environmental transmission electron microscope (ETEM) to determine morphology, composition, and water uptake of 80 individual aerosol particles collected from the young smoke of...

Person: Semeniuk, Wise, Martin, Russell, Buseck
Year: 2007
Type: Document
Source: TTRS

From the text (p.32) ... 'When prescribed fire is part of the ecological management plan, most native plants bloom earlier and longer, produce more seed, and generally thrive. The reasons are easy to see. the dead plant material is reduced to...

Person: Kocourek, Chang
Year: 2007
Type: Document
Source: TTRS

We describe emission-transmission measurements performed at different heights in a flame from a cylindrical forest fuel burner, using a camera operating in the thermal infrared (7.5-13 µm). The forest fuel burner was made of a cylindrical wire mesh...

Person: Dupuy, Vachet, Marechal, Melendez, de Castro
Year: 2007
Type: Document
Source: TTRS