Báo cáo lâm nghiệp: "Diurnal and seasonal fluctuations in the bark respiration of standing Quercus acutissima trees in Nakaizu, Japan" docx

... of the stem and on fine days during the growing season. On cloudy and rainy days, the depression Diurnal and seasonal fluctuations in the bark respiration of standing Quercus ... day, and the difference between the daily maximum and minimum values of respiration rates in the upper part of the stem was greater than tha...

Ngày tải lên: 09/08/2014, 04:20

... comparison of the early events of infection between E. urophylla and both strains of P. tinctorius shows important differences at the interface. Indeed, it seems that the plant ... x 25 000). These fibrils reacted positively in the Swift test indicating the presence of cystine-rich proteins (Fig. 5, x 13 000). With strain 270, 4 days...

Ngày tải lên: 09/08/2014, 04:20

... (8) and (9)); increasing ratio between continentality and elevation increases P. nigra ingrowth; and increasing stand elevation increases the mean dbh of P. syl- vestris ingrowth (Eq. (10)). The ... drastic events) using the fixed part of the models (A); the fixed part of the models and the predicted plot factors (B); the fixed part of the models and the...

Ngày tải lên: 08/08/2014, 01:22

... changes in content and partitioning of winter C and N in plants Winter C and N represent the amount of C and N assimilated during labeling time, part of which accumulated as storage. The amount of ... study investigated mechanisms of N stor- age and remobilisation in cork oak during winter and following spring [1] and none considered together dynamics of C...

Ngày tải lên: 08/08/2014, 01:22

... obtain an estimation of the total re- sistance of the transpirational pathway (Fig. 3). It is possible to determine the 3 parameters (2 resistances and 1 capacitance) of ... of the equi- valent circuit having the same transfer function (= transpiration versus absorption). This trans- formation allows those interested in water balance of...

Ngày tải lên: 09/08/2014, 04:20

... individuals) and larch (19.7% of individuals) is the highest whilst fraying of the basic tree species spruce is around 1% of individuals. During the repeated investigation peeling re- mained nearly ... processed aimed at summarizing the damage (browsing, peeling) and at expressing both types of damage together. As average values from the preceding maps of browsin...

Ngày tải lên: 07/08/2014, 03:22

... horizons) in the spruce stand on the former arable soil and then in the Douglas fir one, lower in the pine stand and especially lower in the older stand on forest land. In the mineral soil, the highest ... Douglas fir stand again, visibly lower in the pine and spruce stands on the agricultural lands and the lowest on the old forest soil. In the m...

Ngày tải lên: 07/08/2014, 03:22

... lower after 30 days than in the leaves of plants left in the shade and in control seedlings growing in the gap. Photoinhibition in beech seedlings grown in the shade and transferred to full ... seedlings growing in the open area, higher values in the gap and the highest values in seedlings growing under shelterwood, ex- plained these diff erences by...

Ngày tải lên: 07/08/2014, 10:21

... dynamics of beech, mixed (fi r beech and spruce beech stands) and spruce stands, relict pine woods and stands in the ecotone of the upper forest limit in diff erent site, stand, air-pollution and ... structure of the forest stand was from the first year of ob- servation till 2010 random; in following years the stand tends to more aggregation. The spatial di...

Ngày tải lên: 07/08/2014, 10:21

... radiation and to hold the funnels approximately 1 m above the ground.  ere were 7 collectors randomly dis- tributed at the mountain spruce stand and 5 at the highland spruce stand. During the winter ... embe- ded into agricultural landscape with three villages within the distance of 1.5 km from the stand and two local minor roads within 0.5 km.  e spruce stand in...

Ngày tải lên: 07/08/2014, 10:21