| [soil respiration in temperate secondary forest and larix gmelinii plantation in northeast china]. | with li-6400-09 chamber, the soil respiration rate in adjacent stands of temperate secondary forest and larix gmelinii plantation in maoershan mountain of heilongjiang province was measured from may to october, 2006. the results showed that similar to the variation of soil temperature, the daily pattern of soil respiration could be expressed as a one-humped curve. over the study period, soil respiration rate varied from 0.43 to 7.26 micromol co2 x m(-2) x s(-1) in secondary forest, and from 0.63 ... | 2007 | 18333437 |
| [a prediction model for forest fire-burnt area based on meteorological factors]. | based on statistic analysis theory, the occurrence patterns of forest fire in heilongjiang province were studied, and the prediction model for forest fire-burnt area was established based on meteorological factors. the results showed that most of forest fires in larix gmelinii forest region occurred from april to june and in october, and those in broadleaved korean pine forest region mainly occurred from march to june and in october. by adopting the values of average wind speed, relative humidit ... | 2007 | 18333443 |