Abstract
Respiration for maintenance and growth of Reynoutria japonica ecotypes from altitudes of 700 and 2420 m on Mt Fuji were measured in two controlled thermal conditions. The maintenance respiration of the high-altitude ecotype at both 15 and 25°C was significantly (1.7-fold) higher than that of the low-altitude ecotype, whereas growth respiration was independent of both ecotype and temperature. The temperature coefficient (Q10) of the maintenance respiration was about 1.9 in both ecotypes. The results show that there is ecotypic differentiation in the performance of maintenance respiration. It is suggested that the high maintenance respiration of the high-altitude R. japonica ecotype is advantageous in severe upland environments but disadvantageous in a warm lowland climate in terms of carbon economy.
| Original language | English |
|---|---|
| Pages (from-to) | 241-246 |
| Number of pages | 6 |
| Journal | Ecological Research |
| Volume | 8 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1993 Aug |
| Externally published | Yes |
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Keywords
- altitudinal variation
- maintenance and growth respiration
- Reynoutria japonica ecotypes
- temperature
- widespread species
ASJC Scopus subject areas
- Ecology
Cite this
Respiration for maintenance and growth in Reynoutria japonica ecotypes from different altitudes on Mt Fuji. / Mariko, Shigeru; Koizumi, Hiroshi.
In: Ecological Research, Vol. 8, No. 2, 08.1993, p. 241-246.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Respiration for maintenance and growth in Reynoutria japonica ecotypes from different altitudes on Mt Fuji
AU - Mariko, Shigeru
AU - Koizumi, Hiroshi
PY - 1993/8
Y1 - 1993/8
N2 - Respiration for maintenance and growth of Reynoutria japonica ecotypes from altitudes of 700 and 2420 m on Mt Fuji were measured in two controlled thermal conditions. The maintenance respiration of the high-altitude ecotype at both 15 and 25°C was significantly (1.7-fold) higher than that of the low-altitude ecotype, whereas growth respiration was independent of both ecotype and temperature. The temperature coefficient (Q10) of the maintenance respiration was about 1.9 in both ecotypes. The results show that there is ecotypic differentiation in the performance of maintenance respiration. It is suggested that the high maintenance respiration of the high-altitude R. japonica ecotype is advantageous in severe upland environments but disadvantageous in a warm lowland climate in terms of carbon economy.
AB - Respiration for maintenance and growth of Reynoutria japonica ecotypes from altitudes of 700 and 2420 m on Mt Fuji were measured in two controlled thermal conditions. The maintenance respiration of the high-altitude ecotype at both 15 and 25°C was significantly (1.7-fold) higher than that of the low-altitude ecotype, whereas growth respiration was independent of both ecotype and temperature. The temperature coefficient (Q10) of the maintenance respiration was about 1.9 in both ecotypes. The results show that there is ecotypic differentiation in the performance of maintenance respiration. It is suggested that the high maintenance respiration of the high-altitude R. japonica ecotype is advantageous in severe upland environments but disadvantageous in a warm lowland climate in terms of carbon economy.
KW - altitudinal variation
KW - maintenance and growth respiration
KW - Reynoutria japonica ecotypes
KW - temperature
KW - widespread species
UR - http://www.scopus.com/inward/record.url?scp=0000125795&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0000125795&partnerID=8YFLogxK
U2 - 10.1007/BF02348537
DO - 10.1007/BF02348537
M3 - Article
VL - 8
SP - 241
EP - 246
JO - Ecological Research
JF - Ecological Research
SN - 0912-3814
IS - 2
ER -